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@rushstack/package-deps-hash - npm Package Compare versions

Comparing version
4.7.17
to
4.7.18
+8
-1
CHANGELOG.md
# Change Log - @rushstack/package-deps-hash
This log was last generated on Mon, 20 Apr 2026 23:31:13 GMT and should not be manually modified.
This log was last generated on Mon, 25 May 2026 15:14:32 GMT and should not be manually modified.
## 4.7.18
Mon, 25 May 2026 15:14:32 GMT
### Patches
- Skip untracked files whose basename is a Windows reserved device name (e.g. `nul`, `con`, `aux`, `com1`-`com9`, `lpt1`-`lpt9`) when computing repo state on Windows. `git hash-object` cannot open such paths and otherwise aborts the entire repo-state calculation.
## 4.7.17

@@ -6,0 +13,0 @@ Mon, 20 Apr 2026 23:31:13 GMT

+1
-1

@@ -8,5 +8,5 @@ // This file is read by tools that parse documentation comments conforming to the TSDoc standard.

"packageName": "@microsoft/api-extractor",
"packageVersion": "7.58.6"
"packageVersion": "7.58.7"
}
]
}

@@ -5,2 +5,3 @@ "use strict";

Object.defineProperty(exports, "__esModule", { value: true });
exports.isWindowsReservedPath = isWindowsReservedPath;
exports.parseGitLsTree = parseGitLsTree;

@@ -33,2 +34,23 @@ exports.parseGitHashObject = parseGitHashObject;

];
// Windows reserved device names (case-insensitive). A file whose final path segment matches one
// of these (with or without an extension) cannot be opened by name on Windows, so passing it to
// `git hash-object` aborts the process. Such files are typically untracked artifacts left behind
// by tooling (e.g. stray `nul` from a shell redirect).
const WINDOWS_RESERVED_BASENAMES = new Set([
'CON', 'PRN', 'AUX', 'NUL',
'COM1', 'COM2', 'COM3', 'COM4', 'COM5', 'COM6', 'COM7', 'COM8', 'COM9',
'LPT1', 'LPT2', 'LPT3', 'LPT4', 'LPT5', 'LPT6', 'LPT7', 'LPT8', 'LPT9'
]);
/**
* Returns `true` if `filePath`'s final path segment is a Windows reserved device name
* (with or without an extension), case-insensitively. Exported for tests.
* @internal
*/
function isWindowsReservedPath(filePath) {
const lastSlash = Math.max(filePath.lastIndexOf('/'), filePath.lastIndexOf('\\'));
const basename = lastSlash >= 0 ? filePath.slice(lastSlash + 1) : filePath;
const dot = basename.indexOf('.');
const stem = (dot >= 0 ? basename.slice(0, dot) : basename).toUpperCase();
return WINDOWS_RESERVED_BASENAMES.has(stem);
}
const OBJECTMODE_SUBMODULE = '160000';

@@ -344,4 +366,11 @@ const OBJECTMODE_SYMLINK = '120000';

const [{ files, symlinks }, locallyModified] = await Promise.all([statePromise, locallyModifiedPromise]);
const isWindows = process.platform === 'win32';
for (const [filePath, exists] of locallyModified) {
if (exists && !symlinks.has(filePath)) {
// Skip Windows reserved device names. `git hash-object` cannot open them and would abort
// the entire repo-state computation. These are almost always stray artifacts (e.g. a `nul`
// file produced by a misdirected shell redirect) rather than meaningful inputs.
if (isWindows && isWindowsReservedPath(filePath)) {
continue;
}
yield filePath;

@@ -348,0 +377,0 @@ }

@@ -1,1 +0,1 @@

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Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.\n// See LICENSE in the project root for license information.\n\nimport type * as child_process from 'node:child_process';\nimport { once } from 'node:events';\nimport { Readable, pipeline } from 'node:stream';\n\nimport { Executable, type IExecutableSpawnOptions } from '@rushstack/node-core-library/lib/Executable';\nimport { FileSystem } from '@rushstack/node-core-library/lib/FileSystem';\n\nexport interface IGitVersion {\n major: number;\n minor: number;\n patch: number;\n}\n\nconst MINIMUM_GIT_VERSION: IGitVersion = {\n major: 2,\n minor: 35,\n patch: 0\n};\n\nconst STANDARD_GIT_OPTIONS: readonly string[] = [\n // Don't request any optional file locks\n '--no-optional-locks',\n // Ensure that commands don't run automatic maintenance, since performance of the command itself is paramount\n '-c',\n 'maintenance.auto=false'\n];\n\nconst OBJECTMODE_SUBMODULE: '160000' = '160000';\nconst OBJECTMODE_SYMLINK: '120000' = '120000';\nconst OBJECTMODE_FILE_NONEXECUTABLE: '100644' = '100644';\nconst OBJECTMODE_FILE_EXECUTABLE: '100755' = '100755';\n\n// Note that `type` is a stub that is being ignored by the parser in favor of using `mode` to infer, since `%(objecttype)` requires git 2.51.0+\n// e.g. 10644 blob <hash>\\t<path>\nconst GIT_LSTREE_FORMAT: string = '%(objectmode) type %(objectname)%x09%(path)';\n\ninterface IGitTreeState {\n files: Map<string, string>; // type \"blob\"\n symlinks: Map<string, string>; // type \"link\"\n submodules: Map<string, string>; // type \"commit\"\n}\n\n/**\n * Parses the output of the \"git ls-tree -r -z\" command or of other commands that have been coerced to match its format.\n * @internal\n */\nexport function parseGitLsTree(output: string): IGitTreeState {\n const files: Map<string, string> = new Map();\n const symlinks: Map<string, string> = new Map();\n const submodules: Map<string, string> = new Map();\n\n // Parse the output\n // With the -z modifier, paths are delimited by nulls\n // A line looks like:\n // <mode> <type> <newhash>\\t<path>\\0\n // 100644 blob a300ccb0b36bd2c85ef18e3c619a2c747f95959e\\ttools/prettier-git/prettier-git.js\\0\n\n let last: number = 0;\n let index: number = output.indexOf('\\0', last);\n while (index >= 0) {\n const item: string = output.slice(last, index);\n\n const tabIndex: number = item.indexOf('\\t');\n const filePath: string = item.slice(tabIndex + 1);\n\n // The newHash will be all zeros if the file is deleted, or a hash if it exists\n const hash: string = item.slice(tabIndex - 40, tabIndex);\n\n const mode: string = item.slice(0, item.indexOf(' '));\n\n switch (mode) {\n case OBJECTMODE_SUBMODULE: {\n // This is a submodule\n submodules.set(filePath, hash);\n break;\n }\n case OBJECTMODE_SYMLINK: {\n // This is a symbolic link\n symlinks.set(filePath, hash);\n break;\n }\n case OBJECTMODE_FILE_NONEXECUTABLE:\n case OBJECTMODE_FILE_EXECUTABLE:\n default: {\n files.set(filePath, hash);\n break;\n }\n }\n\n last = index + 1;\n index = output.indexOf('\\0', last);\n }\n\n return {\n files,\n symlinks,\n submodules\n };\n}\n\n/**\n * Parses the output of `git hash-object`\n * yields [filePath, hash] pairs.\n * @internal\n */\nexport function* parseGitHashObject(\n output: string,\n filePaths: ReadonlyArray<string>\n): IterableIterator<[string, string]> {\n const expected: number = filePaths.length;\n if (expected === 0) {\n return;\n }\n\n output = output.trim();\n\n let last: number = 0;\n let i: number = 0;\n let index: number = output.indexOf('\\n', last);\n for (; i < expected && index > 0; i++) {\n const hash: string = output.slice(last, index);\n yield [filePaths[i], hash];\n last = index + 1;\n index = output.indexOf('\\n', last);\n }\n\n // Handle last line. Will be non-empty to due trim() call.\n if (index < 0) {\n const hash: string = output.slice(last);\n yield [filePaths[i], hash];\n i++;\n }\n\n if (i !== expected) {\n throw new Error(`Expected ${expected} hashes from \"git hash-object\" but received ${i}`);\n }\n}\n\n/**\n * Information about the changes to a file.\n * @beta\n */\nexport interface IFileDiffStatus {\n mode: string;\n oldhash: string;\n newhash: string;\n status: 'A' | 'D' | 'M';\n}\n\n/**\n * Parses the output of `git diff-index --color=never --no-renames --no-commit-id -z <REVISION> --\n * Returns a map of file path to diff\n * @internal\n */\nexport function parseGitDiffIndex(output: string): Map<string, IFileDiffStatus> {\n const result: Map<string, IFileDiffStatus> = new Map();\n\n // Parse the output\n // With the -z modifier, paths are delimited by nulls\n // A line looks like:\n // :<oldmode> <newmode> <oldhash> <newhash> <status>\\0<path>\\0\n // :100644 100644 a300ccb0b36bd2c85ef18e3c619a2c747f95959e 0000000000000000000000000000000000000000 M\\0tools/prettier-git/prettier-git.js\\0\n\n let last: number = 0;\n let index: number = output.indexOf('\\0', last);\n while (index >= 0) {\n const header: string = output.slice(last, index);\n const status: IFileDiffStatus['status'] = header.slice(-1) as IFileDiffStatus['status'];\n\n last = index + 1;\n index = output.indexOf('\\0', last);\n const filePath: string = output.slice(last, index);\n\n // We passed --no-renames above, so a rename will be a delete of the old location and an add at the new.\n // The newHash will be all zeros if the file is deleted, or a hash if it exists\n const mode: string = header.slice(8, 14);\n const oldhash: string = header.slice(-83, -43);\n const newhash: string = header.slice(-42, -2);\n result.set(filePath, {\n mode,\n oldhash,\n newhash,\n status\n });\n\n last = index + 1;\n index = output.indexOf('\\0', last);\n }\n\n return result;\n}\n\n/**\n * Parses the output of `git status -z -u` to extract the set of files that have changed since HEAD.\n *\n * @param output - The raw output from Git\n * @returns a map of file path to if it exists\n * @internal\n */\nexport function parseGitStatus(output: string): Map<string, boolean> {\n const result: Map<string, boolean> = new Map();\n\n // Parse the output\n // With the -z modifier, paths are delimited by nulls\n // A line looks like:\n // XY <path>\\0\n // M tools/prettier-git/prettier-git.js\\0\n\n let startOfLine: number = 0;\n let eolIndex: number = output.indexOf('\\0', startOfLine);\n while (eolIndex >= 0) {\n // We passed --no-renames above, so a rename will be a delete of the old location and an add at the new.\n // charAt(startOfLine) is the index status, charAt(startOfLine + 1) is the working tree status\n const workingTreeStatus: string = output.charAt(startOfLine + 1);\n // Deleted in working tree, or not modified in working tree and deleted in index\n const deleted: boolean =\n workingTreeStatus === 'D' || (workingTreeStatus === ' ' && output.charAt(startOfLine) === 'D');\n\n const filePath: string = output.slice(startOfLine + 3, eolIndex);\n result.set(filePath, !deleted);\n\n startOfLine = eolIndex + 1;\n eolIndex = output.indexOf('\\0', startOfLine);\n }\n\n return result;\n}\n\nconst repoRootCache: Map<string, string> = new Map();\n\n/**\n * Finds the root of the current Git repository\n *\n * @param currentWorkingDirectory - The working directory for which to locate the repository\n * @param gitPath - The path to the Git executable\n *\n * @returns The full path to the root directory of the Git repository\n * @beta\n */\nexport function getRepoRoot(currentWorkingDirectory: string, gitPath?: string): string {\n let cachedResult: string | undefined = repoRootCache.get(currentWorkingDirectory);\n if (!cachedResult) {\n const result: child_process.SpawnSyncReturns<string> = Executable.spawnSync(\n gitPath || 'git',\n ['--no-optional-locks', 'rev-parse', '--show-toplevel'],\n {\n currentWorkingDirectory\n }\n );\n\n if (result.status !== 0) {\n ensureGitMinimumVersion(gitPath);\n\n throw new Error(`git rev-parse exited with status ${result.status}: ${result.stderr}`);\n }\n\n cachedResult = result.stdout.trim();\n\n repoRootCache.set(currentWorkingDirectory, cachedResult);\n // To ensure that calling getRepoRoot on the result is a no-op.\n repoRootCache.set(cachedResult, cachedResult);\n }\n\n return cachedResult;\n}\n\n/**\n * Helper function for async process invocation with optional stdin support.\n * @param gitPath - Path to the Git executable\n * @param args - The process arguments\n * @param currentWorkingDirectory - The working directory. Should be the repository root.\n * @param stdin - An optional Readable stream to use as stdin to the process.\n */\nasync function spawnGitAsync(\n gitPath: string | undefined,\n args: string[],\n currentWorkingDirectory: string,\n stdin?: Readable\n): Promise<string> {\n const spawnOptions: IExecutableSpawnOptions = {\n currentWorkingDirectory,\n stdio: ['pipe', 'pipe', 'pipe']\n };\n\n let stdout: string = '';\n let stderr: string = '';\n\n const proc: child_process.ChildProcess = Executable.spawn(gitPath || 'git', args, spawnOptions);\n proc.stdout!.setEncoding('utf-8');\n proc.stderr!.setEncoding('utf-8');\n\n proc.stdout!.on('data', (chunk: string) => {\n stdout += chunk.toString();\n });\n proc.stderr!.on('data', (chunk: string) => {\n stderr += chunk.toString();\n });\n\n if (stdin) {\n /**\n * For `git hash-object` data is piped in asynchronously. In the event that one of the\n * passed filenames cannot be hashed, subsequent writes to `proc.stdin` will error.\n * Silence this error since it will be handled by the non-zero exit code of the process.\n */\n pipeline(stdin, proc.stdin!, (err) => {});\n }\n\n const [status] = await once(proc, 'close');\n if (status !== 0) {\n ensureGitMinimumVersion(gitPath);\n\n throw new Error(`git ${args[0]} exited with code ${status}:\\n${stderr}`);\n }\n\n return stdout;\n}\n\nfunction isIterable<T>(value: Iterable<T> | AsyncIterable<T>): value is Iterable<T> {\n return Symbol.iterator in value;\n}\n\n/**\n * Uses `git hash-object` to hash the provided files. Unlike `getGitHashForFiles`, this API is asynchronous, and also allows for\n * the input file paths to be specified as an async iterable.\n *\n * @param rootDirectory - The root directory to which paths are specified relative. Must be the root of the Git repository.\n * @param filesToHash - The file paths to hash using `git hash-object`\n * @param gitPath - The path to the Git executable\n * @returns An iterable of [filePath, hash] pairs\n *\n * @remarks\n * The input file paths must be specified relative to the Git repository root, or else be absolute paths.\n * @beta\n */\nexport async function hashFilesAsync(\n rootDirectory: string,\n filesToHash: Iterable<string> | AsyncIterable<string>,\n gitPath?: string\n): Promise<Iterable<[string, string]>> {\n const hashPaths: string[] = [];\n\n const input: Readable = Readable.from(\n isIterable(filesToHash)\n ? (function* (): IterableIterator<string> {\n for (const file of filesToHash) {\n hashPaths.push(file);\n yield `${file}\\n`;\n }\n })()\n : (async function* (): AsyncIterableIterator<string> {\n for await (const file of filesToHash) {\n hashPaths.push(file);\n yield `${file}\\n`;\n }\n })(),\n {\n encoding: 'utf-8',\n objectMode: false,\n autoDestroy: true\n }\n );\n\n const hashObjectResult: string = await spawnGitAsync(\n gitPath,\n STANDARD_GIT_OPTIONS.concat(['hash-object', '--stdin-paths']),\n rootDirectory,\n input\n );\n\n return parseGitHashObject(hashObjectResult, hashPaths);\n}\n\n/**\n * Gets the object hashes for all files in the Git repo, combining the current commit with working tree state.\n * Uses async operations and runs all primary Git calls in parallel.\n * @param rootDirectory - The root directory of the Git repository\n * @param additionalRelativePathsToHash - Root-relative file paths to have Git hash and include in the results\n * @param gitPath - The path to the Git executable\n * @beta\n */\nexport async function getRepoStateAsync(\n rootDirectory: string,\n additionalRelativePathsToHash?: string[],\n gitPath?: string,\n filterPath?: string[]\n): Promise<Map<string, string>> {\n const { files } = await getDetailedRepoStateAsync(\n rootDirectory,\n additionalRelativePathsToHash,\n gitPath,\n filterPath\n );\n\n return files;\n}\n\n/**\n * Information about the detailed state of the Git repository.\n * @beta\n */\nexport interface IDetailedRepoState {\n /**\n * The Git file hashes for all files in the repository, including uncommitted changes.\n */\n files: Map<string, string>;\n /**\n * The Git file hashes for all symbolic links in the repository, including uncommitted changes.\n */\n symlinks: Map<string, string>;\n /**\n * A boolean indicating whether the repository has submodules.\n */\n hasSubmodules: boolean;\n /**\n * A boolean indicating whether the repository has uncommitted changes.\n */\n hasUncommittedChanges: boolean;\n}\n\n/**\n * Gets the object hashes for all files in the Git repo, combining the current commit with working tree state.\n * Uses async operations and runs all primary Git calls in parallel.\n * @param rootDirectory - The root directory of the Git repository\n * @param additionalRelativePathsToHash - Root-relative file paths to have Git hash and include in the results\n * @param gitPath - The path to the Git executable\n * @beta\n */\nexport async function getDetailedRepoStateAsync(\n rootDirectory: string,\n additionalRelativePathsToHash?: string[],\n gitPath?: string,\n filterPath?: string[]\n): Promise<IDetailedRepoState> {\n const statePromise: Promise<IGitTreeState> = spawnGitAsync(\n gitPath,\n STANDARD_GIT_OPTIONS.concat([\n 'ls-files',\n // Read from the index only\n '--cached',\n // Use NUL as the separator\n '-z',\n // Specify the full path to files relative to the root\n '--full-name',\n // Match the format of \"git ls-tree\". The %(objecttype) placeholder requires git 2.51.0+, so not using yet.\n `--format=${GIT_LSTREE_FORMAT}`,\n '--',\n ...(filterPath ?? [])\n ]),\n rootDirectory\n ).then(parseGitLsTree);\n const locallyModifiedPromise: Promise<Map<string, boolean>> = spawnGitAsync(\n gitPath,\n STANDARD_GIT_OPTIONS.concat([\n 'status',\n // Use NUL as the separator\n '-z',\n // Include untracked files\n '-u',\n // Disable rename detection so that renames show up as add + delete\n '--no-renames',\n // Don't process submodules with this command; they'll be handled individually\n '--ignore-submodules',\n // Don't compare against the remote\n '--no-ahead-behind',\n '--',\n ...(filterPath ?? [])\n ]),\n rootDirectory\n ).then(parseGitStatus);\n\n async function* getFilesToHash(): AsyncIterableIterator<string> {\n if (additionalRelativePathsToHash) {\n for (const file of additionalRelativePathsToHash) {\n yield file;\n }\n }\n\n const [{ files, symlinks }, locallyModified] = await Promise.all([statePromise, locallyModifiedPromise]);\n\n for (const [filePath, exists] of locallyModified) {\n if (exists && !symlinks.has(filePath)) {\n yield filePath;\n } else {\n files.delete(filePath);\n symlinks.delete(filePath);\n }\n }\n }\n\n const hashObjectPromise: Promise<Iterable<[string, string]>> = hashFilesAsync(\n rootDirectory,\n getFilesToHash(),\n gitPath\n );\n\n const [{ files, symlinks, submodules }, locallyModifiedFiles] = await Promise.all([\n statePromise,\n locallyModifiedPromise\n ]);\n\n // The result of \"git hash-object\" will be a list of file hashes delimited by newlines\n for (const [filePath, hash] of await hashObjectPromise) {\n files.set(filePath, hash);\n }\n\n // Existence check for the .gitmodules file\n const hasSubmodules: boolean = submodules.size > 0 && FileSystem.exists(`${rootDirectory}/.gitmodules`);\n\n if (hasSubmodules) {\n // Submodules are not the normal critical path. Accept serial performance rather than investing in complexity.\n // Can revisit if submodules become more commonly used.\n for (const submodulePath of submodules.keys()) {\n const submoduleState: Map<string, string> = await getRepoStateAsync(\n `${rootDirectory}/${submodulePath}`,\n [],\n gitPath\n );\n for (const [filePath, hash] of submoduleState) {\n files.set(`${submodulePath}/${filePath}`, hash);\n }\n }\n }\n\n return {\n hasSubmodules,\n hasUncommittedChanges: locallyModifiedFiles.size > 0,\n files,\n symlinks\n };\n}\n\n/**\n * Find all changed files tracked by Git, their current hashes, and the nature of the change. Only useful if all changes are staged or committed.\n * @param currentWorkingDirectory - The working directory. Only used to find the repository root.\n * @param revision - The Git revision specifier to detect changes relative to. Defaults to HEAD (i.e. will compare staged vs. committed)\n * If comparing against a different branch, call `git merge-base` first to find the target commit.\n * @param gitPath - The path to the Git executable\n * @returns A map from the Git file path to the corresponding file change metadata\n * @beta\n */\nexport function getRepoChanges(\n currentWorkingDirectory: string,\n revision: string = 'HEAD',\n gitPath?: string\n): Map<string, IFileDiffStatus> {\n const rootDirectory: string = getRepoRoot(currentWorkingDirectory, gitPath);\n\n const result: child_process.SpawnSyncReturns<string> = Executable.spawnSync(\n gitPath || 'git',\n STANDARD_GIT_OPTIONS.concat([\n 'diff-index',\n '--color=never',\n '--no-renames',\n '--no-commit-id',\n '--cached',\n '-z',\n revision,\n '--'\n ]),\n {\n currentWorkingDirectory: rootDirectory\n }\n );\n\n if (result.status !== 0) {\n ensureGitMinimumVersion(gitPath);\n\n throw new Error(`git diff-index exited with status ${result.status}: ${result.stderr}`);\n }\n\n const changes: Map<string, IFileDiffStatus> = parseGitDiffIndex(result.stdout);\n\n return changes;\n}\n\n/**\n * Checks the git version and throws an error if it is less than the minimum required version.\n *\n * @public\n */\nexport function ensureGitMinimumVersion(gitPath?: string): void {\n const gitVersion: IGitVersion = getGitVersion(gitPath);\n if (\n gitVersion.major < MINIMUM_GIT_VERSION.major ||\n (gitVersion.major === MINIMUM_GIT_VERSION.major && gitVersion.minor < MINIMUM_GIT_VERSION.minor) ||\n (gitVersion.major === MINIMUM_GIT_VERSION.major &&\n gitVersion.minor === MINIMUM_GIT_VERSION.minor &&\n gitVersion.patch < MINIMUM_GIT_VERSION.patch)\n ) {\n throw new Error(\n `The minimum Git version required is ` +\n `${MINIMUM_GIT_VERSION.major}.${MINIMUM_GIT_VERSION.minor}.${MINIMUM_GIT_VERSION.patch}. ` +\n `Your version is ${gitVersion.major}.${gitVersion.minor}.${gitVersion.patch}.`\n );\n }\n}\n\nfunction getGitVersion(gitPath?: string): IGitVersion {\n const result: child_process.SpawnSyncReturns<string> = Executable.spawnSync(\n gitPath || 'git',\n STANDARD_GIT_OPTIONS.concat(['version'])\n );\n\n if (result.status !== 0) {\n throw new Error(\n `While validating the Git installation, the \"git version\" command failed with ` +\n `status ${result.status}: ${result.stderr}`\n );\n }\n\n return parseGitVersion(result.stdout);\n}\n\nexport function parseGitVersion(gitVersionOutput: string): IGitVersion {\n // This regexp matches output of \"git version\" that looks like `git version <number>.<number>.<number>(+whatever)`\n // Examples:\n // - git version 1.2.3\n // - git version 1.2.3.4.5\n // - git version 1.2.3windows.1\n // - git version 1.2.3.windows.1\n const versionRegex: RegExp = /^git version (\\d+)\\.(\\d+)\\.(\\d+)/;\n const match: RegExpMatchArray | null = versionRegex.exec(gitVersionOutput);\n if (!match) {\n throw new Error(\n `While validating the Git installation, the \"git version\" command produced ` +\n `unexpected output: \"${gitVersionOutput}\"`\n );\n }\n\n const major: number = parseInt(match[1], 10);\n const minor: number = parseInt(match[2], 10);\n const patch: number = parseInt(match[3], 10);\n\n return {\n major,\n minor,\n patch\n };\n}\n"]}
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Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.\n// See LICENSE in the project root for license information.\n\nimport type * as child_process from 'node:child_process';\nimport { once } from 'node:events';\nimport { Readable, pipeline } from 'node:stream';\n\nimport { Executable, type IExecutableSpawnOptions } from '@rushstack/node-core-library/lib/Executable';\nimport { FileSystem } from '@rushstack/node-core-library/lib/FileSystem';\n\nexport interface IGitVersion {\n major: number;\n minor: number;\n patch: number;\n}\n\nconst MINIMUM_GIT_VERSION: IGitVersion = {\n major: 2,\n minor: 35,\n patch: 0\n};\n\nconst STANDARD_GIT_OPTIONS: readonly string[] = [\n // Don't request any optional file locks\n '--no-optional-locks',\n // Ensure that commands don't run automatic maintenance, since performance of the command itself is paramount\n '-c',\n 'maintenance.auto=false'\n];\n\n// Windows reserved device names (case-insensitive). A file whose final path segment matches one\n// of these (with or without an extension) cannot be opened by name on Windows, so passing it to\n// `git hash-object` aborts the process. Such files are typically untracked artifacts left behind\n// by tooling (e.g. stray `nul` from a shell redirect).\nconst WINDOWS_RESERVED_BASENAMES: ReadonlySet<string> = new Set([\n 'CON', 'PRN', 'AUX', 'NUL',\n 'COM1', 'COM2', 'COM3', 'COM4', 'COM5', 'COM6', 'COM7', 'COM8', 'COM9',\n 'LPT1', 'LPT2', 'LPT3', 'LPT4', 'LPT5', 'LPT6', 'LPT7', 'LPT8', 'LPT9'\n]);\n\n/**\n * Returns `true` if `filePath`'s final path segment is a Windows reserved device name\n * (with or without an extension), case-insensitively. Exported for tests.\n * @internal\n */\nexport function isWindowsReservedPath(filePath: string): boolean {\n const lastSlash: number = Math.max(filePath.lastIndexOf('/'), filePath.lastIndexOf('\\\\'));\n const basename: string = lastSlash >= 0 ? filePath.slice(lastSlash + 1) : filePath;\n const dot: number = basename.indexOf('.');\n const stem: string = (dot >= 0 ? basename.slice(0, dot) : basename).toUpperCase();\n return WINDOWS_RESERVED_BASENAMES.has(stem);\n}\n\nconst OBJECTMODE_SUBMODULE: '160000' = '160000';\nconst OBJECTMODE_SYMLINK: '120000' = '120000';\nconst OBJECTMODE_FILE_NONEXECUTABLE: '100644' = '100644';\nconst OBJECTMODE_FILE_EXECUTABLE: '100755' = '100755';\n\n// Note that `type` is a stub that is being ignored by the parser in favor of using `mode` to infer, since `%(objecttype)` requires git 2.51.0+\n// e.g. 10644 blob <hash>\\t<path>\nconst GIT_LSTREE_FORMAT: string = '%(objectmode) type %(objectname)%x09%(path)';\n\ninterface IGitTreeState {\n files: Map<string, string>; // type \"blob\"\n symlinks: Map<string, string>; // type \"link\"\n submodules: Map<string, string>; // type \"commit\"\n}\n\n/**\n * Parses the output of the \"git ls-tree -r -z\" command or of other commands that have been coerced to match its format.\n * @internal\n */\nexport function parseGitLsTree(output: string): IGitTreeState {\n const files: Map<string, string> = new Map();\n const symlinks: Map<string, string> = new Map();\n const submodules: Map<string, string> = new Map();\n\n // Parse the output\n // With the -z modifier, paths are delimited by nulls\n // A line looks like:\n // <mode> <type> <newhash>\\t<path>\\0\n // 100644 blob a300ccb0b36bd2c85ef18e3c619a2c747f95959e\\ttools/prettier-git/prettier-git.js\\0\n\n let last: number = 0;\n let index: number = output.indexOf('\\0', last);\n while (index >= 0) {\n const item: string = output.slice(last, index);\n\n const tabIndex: number = item.indexOf('\\t');\n const filePath: string = item.slice(tabIndex + 1);\n\n // The newHash will be all zeros if the file is deleted, or a hash if it exists\n const hash: string = item.slice(tabIndex - 40, tabIndex);\n\n const mode: string = item.slice(0, item.indexOf(' '));\n\n switch (mode) {\n case OBJECTMODE_SUBMODULE: {\n // This is a submodule\n submodules.set(filePath, hash);\n break;\n }\n case OBJECTMODE_SYMLINK: {\n // This is a symbolic link\n symlinks.set(filePath, hash);\n break;\n }\n case OBJECTMODE_FILE_NONEXECUTABLE:\n case OBJECTMODE_FILE_EXECUTABLE:\n default: {\n files.set(filePath, hash);\n break;\n }\n }\n\n last = index + 1;\n index = output.indexOf('\\0', last);\n }\n\n return {\n files,\n symlinks,\n submodules\n };\n}\n\n/**\n * Parses the output of `git hash-object`\n * yields [filePath, hash] pairs.\n * @internal\n */\nexport function* parseGitHashObject(\n output: string,\n filePaths: ReadonlyArray<string>\n): IterableIterator<[string, string]> {\n const expected: number = filePaths.length;\n if (expected === 0) {\n return;\n }\n\n output = output.trim();\n\n let last: number = 0;\n let i: number = 0;\n let index: number = output.indexOf('\\n', last);\n for (; i < expected && index > 0; i++) {\n const hash: string = output.slice(last, index);\n yield [filePaths[i], hash];\n last = index + 1;\n index = output.indexOf('\\n', last);\n }\n\n // Handle last line. Will be non-empty to due trim() call.\n if (index < 0) {\n const hash: string = output.slice(last);\n yield [filePaths[i], hash];\n i++;\n }\n\n if (i !== expected) {\n throw new Error(`Expected ${expected} hashes from \"git hash-object\" but received ${i}`);\n }\n}\n\n/**\n * Information about the changes to a file.\n * @beta\n */\nexport interface IFileDiffStatus {\n mode: string;\n oldhash: string;\n newhash: string;\n status: 'A' | 'D' | 'M';\n}\n\n/**\n * Parses the output of `git diff-index --color=never --no-renames --no-commit-id -z <REVISION> --\n * Returns a map of file path to diff\n * @internal\n */\nexport function parseGitDiffIndex(output: string): Map<string, IFileDiffStatus> {\n const result: Map<string, IFileDiffStatus> = new Map();\n\n // Parse the output\n // With the -z modifier, paths are delimited by nulls\n // A line looks like:\n // :<oldmode> <newmode> <oldhash> <newhash> <status>\\0<path>\\0\n // :100644 100644 a300ccb0b36bd2c85ef18e3c619a2c747f95959e 0000000000000000000000000000000000000000 M\\0tools/prettier-git/prettier-git.js\\0\n\n let last: number = 0;\n let index: number = output.indexOf('\\0', last);\n while (index >= 0) {\n const header: string = output.slice(last, index);\n const status: IFileDiffStatus['status'] = header.slice(-1) as IFileDiffStatus['status'];\n\n last = index + 1;\n index = output.indexOf('\\0', last);\n const filePath: string = output.slice(last, index);\n\n // We passed --no-renames above, so a rename will be a delete of the old location and an add at the new.\n // The newHash will be all zeros if the file is deleted, or a hash if it exists\n const mode: string = header.slice(8, 14);\n const oldhash: string = header.slice(-83, -43);\n const newhash: string = header.slice(-42, -2);\n result.set(filePath, {\n mode,\n oldhash,\n newhash,\n status\n });\n\n last = index + 1;\n index = output.indexOf('\\0', last);\n }\n\n return result;\n}\n\n/**\n * Parses the output of `git status -z -u` to extract the set of files that have changed since HEAD.\n *\n * @param output - The raw output from Git\n * @returns a map of file path to if it exists\n * @internal\n */\nexport function parseGitStatus(output: string): Map<string, boolean> {\n const result: Map<string, boolean> = new Map();\n\n // Parse the output\n // With the -z modifier, paths are delimited by nulls\n // A line looks like:\n // XY <path>\\0\n // M tools/prettier-git/prettier-git.js\\0\n\n let startOfLine: number = 0;\n let eolIndex: number = output.indexOf('\\0', startOfLine);\n while (eolIndex >= 0) {\n // We passed --no-renames above, so a rename will be a delete of the old location and an add at the new.\n // charAt(startOfLine) is the index status, charAt(startOfLine + 1) is the working tree status\n const workingTreeStatus: string = output.charAt(startOfLine + 1);\n // Deleted in working tree, or not modified in working tree and deleted in index\n const deleted: boolean =\n workingTreeStatus === 'D' || (workingTreeStatus === ' ' && output.charAt(startOfLine) === 'D');\n\n const filePath: string = output.slice(startOfLine + 3, eolIndex);\n result.set(filePath, !deleted);\n\n startOfLine = eolIndex + 1;\n eolIndex = output.indexOf('\\0', startOfLine);\n }\n\n return result;\n}\n\nconst repoRootCache: Map<string, string> = new Map();\n\n/**\n * Finds the root of the current Git repository\n *\n * @param currentWorkingDirectory - The working directory for which to locate the repository\n * @param gitPath - The path to the Git executable\n *\n * @returns The full path to the root directory of the Git repository\n * @beta\n */\nexport function getRepoRoot(currentWorkingDirectory: string, gitPath?: string): string {\n let cachedResult: string | undefined = repoRootCache.get(currentWorkingDirectory);\n if (!cachedResult) {\n const result: child_process.SpawnSyncReturns<string> = Executable.spawnSync(\n gitPath || 'git',\n ['--no-optional-locks', 'rev-parse', '--show-toplevel'],\n {\n currentWorkingDirectory\n }\n );\n\n if (result.status !== 0) {\n ensureGitMinimumVersion(gitPath);\n\n throw new Error(`git rev-parse exited with status ${result.status}: ${result.stderr}`);\n }\n\n cachedResult = result.stdout.trim();\n\n repoRootCache.set(currentWorkingDirectory, cachedResult);\n // To ensure that calling getRepoRoot on the result is a no-op.\n repoRootCache.set(cachedResult, cachedResult);\n }\n\n return cachedResult;\n}\n\n/**\n * Helper function for async process invocation with optional stdin support.\n * @param gitPath - Path to the Git executable\n * @param args - The process arguments\n * @param currentWorkingDirectory - The working directory. Should be the repository root.\n * @param stdin - An optional Readable stream to use as stdin to the process.\n */\nasync function spawnGitAsync(\n gitPath: string | undefined,\n args: string[],\n currentWorkingDirectory: string,\n stdin?: Readable\n): Promise<string> {\n const spawnOptions: IExecutableSpawnOptions = {\n currentWorkingDirectory,\n stdio: ['pipe', 'pipe', 'pipe']\n };\n\n let stdout: string = '';\n let stderr: string = '';\n\n const proc: child_process.ChildProcess = Executable.spawn(gitPath || 'git', args, spawnOptions);\n proc.stdout!.setEncoding('utf-8');\n proc.stderr!.setEncoding('utf-8');\n\n proc.stdout!.on('data', (chunk: string) => {\n stdout += chunk.toString();\n });\n proc.stderr!.on('data', (chunk: string) => {\n stderr += chunk.toString();\n });\n\n if (stdin) {\n /**\n * For `git hash-object` data is piped in asynchronously. In the event that one of the\n * passed filenames cannot be hashed, subsequent writes to `proc.stdin` will error.\n * Silence this error since it will be handled by the non-zero exit code of the process.\n */\n pipeline(stdin, proc.stdin!, (err) => {});\n }\n\n const [status] = await once(proc, 'close');\n if (status !== 0) {\n ensureGitMinimumVersion(gitPath);\n\n throw new Error(`git ${args[0]} exited with code ${status}:\\n${stderr}`);\n }\n\n return stdout;\n}\n\nfunction isIterable<T>(value: Iterable<T> | AsyncIterable<T>): value is Iterable<T> {\n return Symbol.iterator in value;\n}\n\n/**\n * Uses `git hash-object` to hash the provided files. Unlike `getGitHashForFiles`, this API is asynchronous, and also allows for\n * the input file paths to be specified as an async iterable.\n *\n * @param rootDirectory - The root directory to which paths are specified relative. Must be the root of the Git repository.\n * @param filesToHash - The file paths to hash using `git hash-object`\n * @param gitPath - The path to the Git executable\n * @returns An iterable of [filePath, hash] pairs\n *\n * @remarks\n * The input file paths must be specified relative to the Git repository root, or else be absolute paths.\n * @beta\n */\nexport async function hashFilesAsync(\n rootDirectory: string,\n filesToHash: Iterable<string> | AsyncIterable<string>,\n gitPath?: string\n): Promise<Iterable<[string, string]>> {\n const hashPaths: string[] = [];\n\n const input: Readable = Readable.from(\n isIterable(filesToHash)\n ? (function* (): IterableIterator<string> {\n for (const file of filesToHash) {\n hashPaths.push(file);\n yield `${file}\\n`;\n }\n })()\n : (async function* (): AsyncIterableIterator<string> {\n for await (const file of filesToHash) {\n hashPaths.push(file);\n yield `${file}\\n`;\n }\n })(),\n {\n encoding: 'utf-8',\n objectMode: false,\n autoDestroy: true\n }\n );\n\n const hashObjectResult: string = await spawnGitAsync(\n gitPath,\n STANDARD_GIT_OPTIONS.concat(['hash-object', '--stdin-paths']),\n rootDirectory,\n input\n );\n\n return parseGitHashObject(hashObjectResult, hashPaths);\n}\n\n/**\n * Gets the object hashes for all files in the Git repo, combining the current commit with working tree state.\n * Uses async operations and runs all primary Git calls in parallel.\n * @param rootDirectory - The root directory of the Git repository\n * @param additionalRelativePathsToHash - Root-relative file paths to have Git hash and include in the results\n * @param gitPath - The path to the Git executable\n * @beta\n */\nexport async function getRepoStateAsync(\n rootDirectory: string,\n additionalRelativePathsToHash?: string[],\n gitPath?: string,\n filterPath?: string[]\n): Promise<Map<string, string>> {\n const { files } = await getDetailedRepoStateAsync(\n rootDirectory,\n additionalRelativePathsToHash,\n gitPath,\n filterPath\n );\n\n return files;\n}\n\n/**\n * Information about the detailed state of the Git repository.\n * @beta\n */\nexport interface IDetailedRepoState {\n /**\n * The Git file hashes for all files in the repository, including uncommitted changes.\n */\n files: Map<string, string>;\n /**\n * The Git file hashes for all symbolic links in the repository, including uncommitted changes.\n */\n symlinks: Map<string, string>;\n /**\n * A boolean indicating whether the repository has submodules.\n */\n hasSubmodules: boolean;\n /**\n * A boolean indicating whether the repository has uncommitted changes.\n */\n hasUncommittedChanges: boolean;\n}\n\n/**\n * Gets the object hashes for all files in the Git repo, combining the current commit with working tree state.\n * Uses async operations and runs all primary Git calls in parallel.\n * @param rootDirectory - The root directory of the Git repository\n * @param additionalRelativePathsToHash - Root-relative file paths to have Git hash and include in the results\n * @param gitPath - The path to the Git executable\n * @beta\n */\nexport async function getDetailedRepoStateAsync(\n rootDirectory: string,\n additionalRelativePathsToHash?: string[],\n gitPath?: string,\n filterPath?: string[]\n): Promise<IDetailedRepoState> {\n const statePromise: Promise<IGitTreeState> = spawnGitAsync(\n gitPath,\n STANDARD_GIT_OPTIONS.concat([\n 'ls-files',\n // Read from the index only\n '--cached',\n // Use NUL as the separator\n '-z',\n // Specify the full path to files relative to the root\n '--full-name',\n // Match the format of \"git ls-tree\". The %(objecttype) placeholder requires git 2.51.0+, so not using yet.\n `--format=${GIT_LSTREE_FORMAT}`,\n '--',\n ...(filterPath ?? [])\n ]),\n rootDirectory\n ).then(parseGitLsTree);\n const locallyModifiedPromise: Promise<Map<string, boolean>> = spawnGitAsync(\n gitPath,\n STANDARD_GIT_OPTIONS.concat([\n 'status',\n // Use NUL as the separator\n '-z',\n // Include untracked files\n '-u',\n // Disable rename detection so that renames show up as add + delete\n '--no-renames',\n // Don't process submodules with this command; they'll be handled individually\n '--ignore-submodules',\n // Don't compare against the remote\n '--no-ahead-behind',\n '--',\n ...(filterPath ?? [])\n ]),\n rootDirectory\n ).then(parseGitStatus);\n\n async function* getFilesToHash(): AsyncIterableIterator<string> {\n if (additionalRelativePathsToHash) {\n for (const file of additionalRelativePathsToHash) {\n yield file;\n }\n }\n\n const [{ files, symlinks }, locallyModified] = await Promise.all([statePromise, locallyModifiedPromise]);\n\n const isWindows: boolean = process.platform === 'win32';\n for (const [filePath, exists] of locallyModified) {\n if (exists && !symlinks.has(filePath)) {\n // Skip Windows reserved device names. `git hash-object` cannot open them and would abort\n // the entire repo-state computation. These are almost always stray artifacts (e.g. a `nul`\n // file produced by a misdirected shell redirect) rather than meaningful inputs.\n if (isWindows && isWindowsReservedPath(filePath)) {\n continue;\n }\n yield filePath;\n } else {\n files.delete(filePath);\n symlinks.delete(filePath);\n }\n }\n }\n\n const hashObjectPromise: Promise<Iterable<[string, string]>> = hashFilesAsync(\n rootDirectory,\n getFilesToHash(),\n gitPath\n );\n\n const [{ files, symlinks, submodules }, locallyModifiedFiles] = await Promise.all([\n statePromise,\n locallyModifiedPromise\n ]);\n\n // The result of \"git hash-object\" will be a list of file hashes delimited by newlines\n for (const [filePath, hash] of await hashObjectPromise) {\n files.set(filePath, hash);\n }\n\n // Existence check for the .gitmodules file\n const hasSubmodules: boolean = submodules.size > 0 && FileSystem.exists(`${rootDirectory}/.gitmodules`);\n\n if (hasSubmodules) {\n // Submodules are not the normal critical path. Accept serial performance rather than investing in complexity.\n // Can revisit if submodules become more commonly used.\n for (const submodulePath of submodules.keys()) {\n const submoduleState: Map<string, string> = await getRepoStateAsync(\n `${rootDirectory}/${submodulePath}`,\n [],\n gitPath\n );\n for (const [filePath, hash] of submoduleState) {\n files.set(`${submodulePath}/${filePath}`, hash);\n }\n }\n }\n\n return {\n hasSubmodules,\n hasUncommittedChanges: locallyModifiedFiles.size > 0,\n files,\n symlinks\n };\n}\n\n/**\n * Find all changed files tracked by Git, their current hashes, and the nature of the change. Only useful if all changes are staged or committed.\n * @param currentWorkingDirectory - The working directory. Only used to find the repository root.\n * @param revision - The Git revision specifier to detect changes relative to. Defaults to HEAD (i.e. will compare staged vs. committed)\n * If comparing against a different branch, call `git merge-base` first to find the target commit.\n * @param gitPath - The path to the Git executable\n * @returns A map from the Git file path to the corresponding file change metadata\n * @beta\n */\nexport function getRepoChanges(\n currentWorkingDirectory: string,\n revision: string = 'HEAD',\n gitPath?: string\n): Map<string, IFileDiffStatus> {\n const rootDirectory: string = getRepoRoot(currentWorkingDirectory, gitPath);\n\n const result: child_process.SpawnSyncReturns<string> = Executable.spawnSync(\n gitPath || 'git',\n STANDARD_GIT_OPTIONS.concat([\n 'diff-index',\n '--color=never',\n '--no-renames',\n '--no-commit-id',\n '--cached',\n '-z',\n revision,\n '--'\n ]),\n {\n currentWorkingDirectory: rootDirectory\n }\n );\n\n if (result.status !== 0) {\n ensureGitMinimumVersion(gitPath);\n\n throw new Error(`git diff-index exited with status ${result.status}: ${result.stderr}`);\n }\n\n const changes: Map<string, IFileDiffStatus> = parseGitDiffIndex(result.stdout);\n\n return changes;\n}\n\n/**\n * Checks the git version and throws an error if it is less than the minimum required version.\n *\n * @public\n */\nexport function ensureGitMinimumVersion(gitPath?: string): void {\n const gitVersion: IGitVersion = getGitVersion(gitPath);\n if (\n gitVersion.major < MINIMUM_GIT_VERSION.major ||\n (gitVersion.major === MINIMUM_GIT_VERSION.major && gitVersion.minor < MINIMUM_GIT_VERSION.minor) ||\n (gitVersion.major === MINIMUM_GIT_VERSION.major &&\n gitVersion.minor === MINIMUM_GIT_VERSION.minor &&\n gitVersion.patch < MINIMUM_GIT_VERSION.patch)\n ) {\n throw new Error(\n `The minimum Git version required is ` +\n `${MINIMUM_GIT_VERSION.major}.${MINIMUM_GIT_VERSION.minor}.${MINIMUM_GIT_VERSION.patch}. ` +\n `Your version is ${gitVersion.major}.${gitVersion.minor}.${gitVersion.patch}.`\n );\n }\n}\n\nfunction getGitVersion(gitPath?: string): IGitVersion {\n const result: child_process.SpawnSyncReturns<string> = Executable.spawnSync(\n gitPath || 'git',\n STANDARD_GIT_OPTIONS.concat(['version'])\n );\n\n if (result.status !== 0) {\n throw new Error(\n `While validating the Git installation, the \"git version\" command failed with ` +\n `status ${result.status}: ${result.stderr}`\n );\n }\n\n return parseGitVersion(result.stdout);\n}\n\nexport function parseGitVersion(gitVersionOutput: string): IGitVersion {\n // This regexp matches output of \"git version\" that looks like `git version <number>.<number>.<number>(+whatever)`\n // Examples:\n // - git version 1.2.3\n // - git version 1.2.3.4.5\n // - git version 1.2.3windows.1\n // - git version 1.2.3.windows.1\n const versionRegex: RegExp = /^git version (\\d+)\\.(\\d+)\\.(\\d+)/;\n const match: RegExpMatchArray | null = versionRegex.exec(gitVersionOutput);\n if (!match) {\n throw new Error(\n `While validating the Git installation, the \"git version\" command produced ` +\n `unexpected output: \"${gitVersionOutput}\"`\n );\n }\n\n const major: number = parseInt(match[1], 10);\n const minor: number = parseInt(match[2], 10);\n const patch: number = parseInt(match[3], 10);\n\n return {\n major,\n minor,\n patch\n };\n}\n"]}

@@ -6,2 +6,8 @@ export interface IGitVersion {

}
/**
* Returns `true` if `filePath`'s final path segment is a Windows reserved device name
* (with or without an extension), case-insensitively. Exported for tests.
* @internal
*/
export declare function isWindowsReservedPath(filePath: string): boolean;
interface IGitTreeState {

@@ -8,0 +14,0 @@ files: Map<string, string>;

@@ -1,1 +0,1 @@

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@@ -19,2 +19,23 @@ // Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.

];
// Windows reserved device names (case-insensitive). A file whose final path segment matches one
// of these (with or without an extension) cannot be opened by name on Windows, so passing it to
// `git hash-object` aborts the process. Such files are typically untracked artifacts left behind
// by tooling (e.g. stray `nul` from a shell redirect).
const WINDOWS_RESERVED_BASENAMES = new Set([
'CON', 'PRN', 'AUX', 'NUL',
'COM1', 'COM2', 'COM3', 'COM4', 'COM5', 'COM6', 'COM7', 'COM8', 'COM9',
'LPT1', 'LPT2', 'LPT3', 'LPT4', 'LPT5', 'LPT6', 'LPT7', 'LPT8', 'LPT9'
]);
/**
* Returns `true` if `filePath`'s final path segment is a Windows reserved device name
* (with or without an extension), case-insensitively. Exported for tests.
* @internal
*/
export function isWindowsReservedPath(filePath) {
const lastSlash = Math.max(filePath.lastIndexOf('/'), filePath.lastIndexOf('\\'));
const basename = lastSlash >= 0 ? filePath.slice(lastSlash + 1) : filePath;
const dot = basename.indexOf('.');
const stem = (dot >= 0 ? basename.slice(0, dot) : basename).toUpperCase();
return WINDOWS_RESERVED_BASENAMES.has(stem);
}
const OBJECTMODE_SUBMODULE = '160000';

@@ -330,4 +351,11 @@ const OBJECTMODE_SYMLINK = '120000';

const [{ files, symlinks }, locallyModified] = await Promise.all([statePromise, locallyModifiedPromise]);
const isWindows = process.platform === 'win32';
for (const [filePath, exists] of locallyModified) {
if (exists && !symlinks.has(filePath)) {
// Skip Windows reserved device names. `git hash-object` cannot open them and would abort
// the entire repo-state computation. These are almost always stray artifacts (e.g. a `nul`
// file produced by a misdirected shell redirect) rather than meaningful inputs.
if (isWindows && isWindowsReservedPath(filePath)) {
continue;
}
yield filePath;

@@ -334,0 +362,0 @@ }

@@ -1,1 +0,1 @@

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Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.\n// See LICENSE in the project root for license information.\n\nimport type * as child_process from 'node:child_process';\nimport { once } from 'node:events';\nimport { Readable, pipeline } from 'node:stream';\n\nimport { Executable, type IExecutableSpawnOptions } from '@rushstack/node-core-library/lib/Executable';\nimport { FileSystem } from '@rushstack/node-core-library/lib/FileSystem';\n\nexport interface IGitVersion {\n major: number;\n minor: number;\n patch: number;\n}\n\nconst MINIMUM_GIT_VERSION: IGitVersion = {\n major: 2,\n minor: 35,\n patch: 0\n};\n\nconst STANDARD_GIT_OPTIONS: readonly string[] = [\n // Don't request any optional file locks\n '--no-optional-locks',\n // Ensure that commands don't run automatic maintenance, since performance of the command itself is paramount\n '-c',\n 'maintenance.auto=false'\n];\n\nconst OBJECTMODE_SUBMODULE: '160000' = '160000';\nconst OBJECTMODE_SYMLINK: '120000' = '120000';\nconst OBJECTMODE_FILE_NONEXECUTABLE: '100644' = '100644';\nconst OBJECTMODE_FILE_EXECUTABLE: '100755' = '100755';\n\n// Note that `type` is a stub that is being ignored by the parser in favor of using `mode` to infer, since `%(objecttype)` requires git 2.51.0+\n// e.g. 10644 blob <hash>\\t<path>\nconst GIT_LSTREE_FORMAT: string = '%(objectmode) type %(objectname)%x09%(path)';\n\ninterface IGitTreeState {\n files: Map<string, string>; // type \"blob\"\n symlinks: Map<string, string>; // type \"link\"\n submodules: Map<string, string>; // type \"commit\"\n}\n\n/**\n * Parses the output of the \"git ls-tree -r -z\" command or of other commands that have been coerced to match its format.\n * @internal\n */\nexport function parseGitLsTree(output: string): IGitTreeState {\n const files: Map<string, string> = new Map();\n const symlinks: Map<string, string> = new Map();\n const submodules: Map<string, string> = new Map();\n\n // Parse the output\n // With the -z modifier, paths are delimited by nulls\n // A line looks like:\n // <mode> <type> <newhash>\\t<path>\\0\n // 100644 blob a300ccb0b36bd2c85ef18e3c619a2c747f95959e\\ttools/prettier-git/prettier-git.js\\0\n\n let last: number = 0;\n let index: number = output.indexOf('\\0', last);\n while (index >= 0) {\n const item: string = output.slice(last, index);\n\n const tabIndex: number = item.indexOf('\\t');\n const filePath: string = item.slice(tabIndex + 1);\n\n // The newHash will be all zeros if the file is deleted, or a hash if it exists\n const hash: string = item.slice(tabIndex - 40, tabIndex);\n\n const mode: string = item.slice(0, item.indexOf(' '));\n\n switch (mode) {\n case OBJECTMODE_SUBMODULE: {\n // This is a submodule\n submodules.set(filePath, hash);\n break;\n }\n case OBJECTMODE_SYMLINK: {\n // This is a symbolic link\n symlinks.set(filePath, hash);\n break;\n }\n case OBJECTMODE_FILE_NONEXECUTABLE:\n case OBJECTMODE_FILE_EXECUTABLE:\n default: {\n files.set(filePath, hash);\n break;\n }\n }\n\n last = index + 1;\n index = output.indexOf('\\0', last);\n }\n\n return {\n files,\n symlinks,\n submodules\n };\n}\n\n/**\n * Parses the output of `git hash-object`\n * yields [filePath, hash] pairs.\n * @internal\n */\nexport function* parseGitHashObject(\n output: string,\n filePaths: ReadonlyArray<string>\n): IterableIterator<[string, string]> {\n const expected: number = filePaths.length;\n if (expected === 0) {\n return;\n }\n\n output = output.trim();\n\n let last: number = 0;\n let i: number = 0;\n let index: number = output.indexOf('\\n', last);\n for (; i < expected && index > 0; i++) {\n const hash: string = output.slice(last, index);\n yield [filePaths[i], hash];\n last = index + 1;\n index = output.indexOf('\\n', last);\n }\n\n // Handle last line. Will be non-empty to due trim() call.\n if (index < 0) {\n const hash: string = output.slice(last);\n yield [filePaths[i], hash];\n i++;\n }\n\n if (i !== expected) {\n throw new Error(`Expected ${expected} hashes from \"git hash-object\" but received ${i}`);\n }\n}\n\n/**\n * Information about the changes to a file.\n * @beta\n */\nexport interface IFileDiffStatus {\n mode: string;\n oldhash: string;\n newhash: string;\n status: 'A' | 'D' | 'M';\n}\n\n/**\n * Parses the output of `git diff-index --color=never --no-renames --no-commit-id -z <REVISION> --\n * Returns a map of file path to diff\n * @internal\n */\nexport function parseGitDiffIndex(output: string): Map<string, IFileDiffStatus> {\n const result: Map<string, IFileDiffStatus> = new Map();\n\n // Parse the output\n // With the -z modifier, paths are delimited by nulls\n // A line looks like:\n // :<oldmode> <newmode> <oldhash> <newhash> <status>\\0<path>\\0\n // :100644 100644 a300ccb0b36bd2c85ef18e3c619a2c747f95959e 0000000000000000000000000000000000000000 M\\0tools/prettier-git/prettier-git.js\\0\n\n let last: number = 0;\n let index: number = output.indexOf('\\0', last);\n while (index >= 0) {\n const header: string = output.slice(last, index);\n const status: IFileDiffStatus['status'] = header.slice(-1) as IFileDiffStatus['status'];\n\n last = index + 1;\n index = output.indexOf('\\0', last);\n const filePath: string = output.slice(last, index);\n\n // We passed --no-renames above, so a rename will be a delete of the old location and an add at the new.\n // The newHash will be all zeros if the file is deleted, or a hash if it exists\n const mode: string = header.slice(8, 14);\n const oldhash: string = header.slice(-83, -43);\n const newhash: string = header.slice(-42, -2);\n result.set(filePath, {\n mode,\n oldhash,\n newhash,\n status\n });\n\n last = index + 1;\n index = output.indexOf('\\0', last);\n }\n\n return result;\n}\n\n/**\n * Parses the output of `git status -z -u` to extract the set of files that have changed since HEAD.\n *\n * @param output - The raw output from Git\n * @returns a map of file path to if it exists\n * @internal\n */\nexport function parseGitStatus(output: string): Map<string, boolean> {\n const result: Map<string, boolean> = new Map();\n\n // Parse the output\n // With the -z modifier, paths are delimited by nulls\n // A line looks like:\n // XY <path>\\0\n // M tools/prettier-git/prettier-git.js\\0\n\n let startOfLine: number = 0;\n let eolIndex: number = output.indexOf('\\0', startOfLine);\n while (eolIndex >= 0) {\n // We passed --no-renames above, so a rename will be a delete of the old location and an add at the new.\n // charAt(startOfLine) is the index status, charAt(startOfLine + 1) is the working tree status\n const workingTreeStatus: string = output.charAt(startOfLine + 1);\n // Deleted in working tree, or not modified in working tree and deleted in index\n const deleted: boolean =\n workingTreeStatus === 'D' || (workingTreeStatus === ' ' && output.charAt(startOfLine) === 'D');\n\n const filePath: string = output.slice(startOfLine + 3, eolIndex);\n result.set(filePath, !deleted);\n\n startOfLine = eolIndex + 1;\n eolIndex = output.indexOf('\\0', startOfLine);\n }\n\n return result;\n}\n\nconst repoRootCache: Map<string, string> = new Map();\n\n/**\n * Finds the root of the current Git repository\n *\n * @param currentWorkingDirectory - The working directory for which to locate the repository\n * @param gitPath - The path to the Git executable\n *\n * @returns The full path to the root directory of the Git repository\n * @beta\n */\nexport function getRepoRoot(currentWorkingDirectory: string, gitPath?: string): string {\n let cachedResult: string | undefined = repoRootCache.get(currentWorkingDirectory);\n if (!cachedResult) {\n const result: child_process.SpawnSyncReturns<string> = Executable.spawnSync(\n gitPath || 'git',\n ['--no-optional-locks', 'rev-parse', '--show-toplevel'],\n {\n currentWorkingDirectory\n }\n );\n\n if (result.status !== 0) {\n ensureGitMinimumVersion(gitPath);\n\n throw new Error(`git rev-parse exited with status ${result.status}: ${result.stderr}`);\n }\n\n cachedResult = result.stdout.trim();\n\n repoRootCache.set(currentWorkingDirectory, cachedResult);\n // To ensure that calling getRepoRoot on the result is a no-op.\n repoRootCache.set(cachedResult, cachedResult);\n }\n\n return cachedResult;\n}\n\n/**\n * Helper function for async process invocation with optional stdin support.\n * @param gitPath - Path to the Git executable\n * @param args - The process arguments\n * @param currentWorkingDirectory - The working directory. Should be the repository root.\n * @param stdin - An optional Readable stream to use as stdin to the process.\n */\nasync function spawnGitAsync(\n gitPath: string | undefined,\n args: string[],\n currentWorkingDirectory: string,\n stdin?: Readable\n): Promise<string> {\n const spawnOptions: IExecutableSpawnOptions = {\n currentWorkingDirectory,\n stdio: ['pipe', 'pipe', 'pipe']\n };\n\n let stdout: string = '';\n let stderr: string = '';\n\n const proc: child_process.ChildProcess = Executable.spawn(gitPath || 'git', args, spawnOptions);\n proc.stdout!.setEncoding('utf-8');\n proc.stderr!.setEncoding('utf-8');\n\n proc.stdout!.on('data', (chunk: string) => {\n stdout += chunk.toString();\n });\n proc.stderr!.on('data', (chunk: string) => {\n stderr += chunk.toString();\n });\n\n if (stdin) {\n /**\n * For `git hash-object` data is piped in asynchronously. In the event that one of the\n * passed filenames cannot be hashed, subsequent writes to `proc.stdin` will error.\n * Silence this error since it will be handled by the non-zero exit code of the process.\n */\n pipeline(stdin, proc.stdin!, (err) => {});\n }\n\n const [status] = await once(proc, 'close');\n if (status !== 0) {\n ensureGitMinimumVersion(gitPath);\n\n throw new Error(`git ${args[0]} exited with code ${status}:\\n${stderr}`);\n }\n\n return stdout;\n}\n\nfunction isIterable<T>(value: Iterable<T> | AsyncIterable<T>): value is Iterable<T> {\n return Symbol.iterator in value;\n}\n\n/**\n * Uses `git hash-object` to hash the provided files. Unlike `getGitHashForFiles`, this API is asynchronous, and also allows for\n * the input file paths to be specified as an async iterable.\n *\n * @param rootDirectory - The root directory to which paths are specified relative. Must be the root of the Git repository.\n * @param filesToHash - The file paths to hash using `git hash-object`\n * @param gitPath - The path to the Git executable\n * @returns An iterable of [filePath, hash] pairs\n *\n * @remarks\n * The input file paths must be specified relative to the Git repository root, or else be absolute paths.\n * @beta\n */\nexport async function hashFilesAsync(\n rootDirectory: string,\n filesToHash: Iterable<string> | AsyncIterable<string>,\n gitPath?: string\n): Promise<Iterable<[string, string]>> {\n const hashPaths: string[] = [];\n\n const input: Readable = Readable.from(\n isIterable(filesToHash)\n ? (function* (): IterableIterator<string> {\n for (const file of filesToHash) {\n hashPaths.push(file);\n yield `${file}\\n`;\n }\n })()\n : (async function* (): AsyncIterableIterator<string> {\n for await (const file of filesToHash) {\n hashPaths.push(file);\n yield `${file}\\n`;\n }\n })(),\n {\n encoding: 'utf-8',\n objectMode: false,\n autoDestroy: true\n }\n );\n\n const hashObjectResult: string = await spawnGitAsync(\n gitPath,\n STANDARD_GIT_OPTIONS.concat(['hash-object', '--stdin-paths']),\n rootDirectory,\n input\n );\n\n return parseGitHashObject(hashObjectResult, hashPaths);\n}\n\n/**\n * Gets the object hashes for all files in the Git repo, combining the current commit with working tree state.\n * Uses async operations and runs all primary Git calls in parallel.\n * @param rootDirectory - The root directory of the Git repository\n * @param additionalRelativePathsToHash - Root-relative file paths to have Git hash and include in the results\n * @param gitPath - The path to the Git executable\n * @beta\n */\nexport async function getRepoStateAsync(\n rootDirectory: string,\n additionalRelativePathsToHash?: string[],\n gitPath?: string,\n filterPath?: string[]\n): Promise<Map<string, string>> {\n const { files } = await getDetailedRepoStateAsync(\n rootDirectory,\n additionalRelativePathsToHash,\n gitPath,\n filterPath\n );\n\n return files;\n}\n\n/**\n * Information about the detailed state of the Git repository.\n * @beta\n */\nexport interface IDetailedRepoState {\n /**\n * The Git file hashes for all files in the repository, including uncommitted changes.\n */\n files: Map<string, string>;\n /**\n * The Git file hashes for all symbolic links in the repository, including uncommitted changes.\n */\n symlinks: Map<string, string>;\n /**\n * A boolean indicating whether the repository has submodules.\n */\n hasSubmodules: boolean;\n /**\n * A boolean indicating whether the repository has uncommitted changes.\n */\n hasUncommittedChanges: boolean;\n}\n\n/**\n * Gets the object hashes for all files in the Git repo, combining the current commit with working tree state.\n * Uses async operations and runs all primary Git calls in parallel.\n * @param rootDirectory - The root directory of the Git repository\n * @param additionalRelativePathsToHash - Root-relative file paths to have Git hash and include in the results\n * @param gitPath - The path to the Git executable\n * @beta\n */\nexport async function getDetailedRepoStateAsync(\n rootDirectory: string,\n additionalRelativePathsToHash?: string[],\n gitPath?: string,\n filterPath?: string[]\n): Promise<IDetailedRepoState> {\n const statePromise: Promise<IGitTreeState> = spawnGitAsync(\n gitPath,\n STANDARD_GIT_OPTIONS.concat([\n 'ls-files',\n // Read from the index only\n '--cached',\n // Use NUL as the separator\n '-z',\n // Specify the full path to files relative to the root\n '--full-name',\n // Match the format of \"git ls-tree\". The %(objecttype) placeholder requires git 2.51.0+, so not using yet.\n `--format=${GIT_LSTREE_FORMAT}`,\n '--',\n ...(filterPath ?? [])\n ]),\n rootDirectory\n ).then(parseGitLsTree);\n const locallyModifiedPromise: Promise<Map<string, boolean>> = spawnGitAsync(\n gitPath,\n STANDARD_GIT_OPTIONS.concat([\n 'status',\n // Use NUL as the separator\n '-z',\n // Include untracked files\n '-u',\n // Disable rename detection so that renames show up as add + delete\n '--no-renames',\n // Don't process submodules with this command; they'll be handled individually\n '--ignore-submodules',\n // Don't compare against the remote\n '--no-ahead-behind',\n '--',\n ...(filterPath ?? [])\n ]),\n rootDirectory\n ).then(parseGitStatus);\n\n async function* getFilesToHash(): AsyncIterableIterator<string> {\n if (additionalRelativePathsToHash) {\n for (const file of additionalRelativePathsToHash) {\n yield file;\n }\n }\n\n const [{ files, symlinks }, locallyModified] = await Promise.all([statePromise, locallyModifiedPromise]);\n\n for (const [filePath, exists] of locallyModified) {\n if (exists && !symlinks.has(filePath)) {\n yield filePath;\n } else {\n files.delete(filePath);\n symlinks.delete(filePath);\n }\n }\n }\n\n const hashObjectPromise: Promise<Iterable<[string, string]>> = hashFilesAsync(\n rootDirectory,\n getFilesToHash(),\n gitPath\n );\n\n const [{ files, symlinks, submodules }, locallyModifiedFiles] = await Promise.all([\n statePromise,\n locallyModifiedPromise\n ]);\n\n // The result of \"git hash-object\" will be a list of file hashes delimited by newlines\n for (const [filePath, hash] of await hashObjectPromise) {\n files.set(filePath, hash);\n }\n\n // Existence check for the .gitmodules file\n const hasSubmodules: boolean = submodules.size > 0 && FileSystem.exists(`${rootDirectory}/.gitmodules`);\n\n if (hasSubmodules) {\n // Submodules are not the normal critical path. Accept serial performance rather than investing in complexity.\n // Can revisit if submodules become more commonly used.\n for (const submodulePath of submodules.keys()) {\n const submoduleState: Map<string, string> = await getRepoStateAsync(\n `${rootDirectory}/${submodulePath}`,\n [],\n gitPath\n );\n for (const [filePath, hash] of submoduleState) {\n files.set(`${submodulePath}/${filePath}`, hash);\n }\n }\n }\n\n return {\n hasSubmodules,\n hasUncommittedChanges: locallyModifiedFiles.size > 0,\n files,\n symlinks\n };\n}\n\n/**\n * Find all changed files tracked by Git, their current hashes, and the nature of the change. Only useful if all changes are staged or committed.\n * @param currentWorkingDirectory - The working directory. Only used to find the repository root.\n * @param revision - The Git revision specifier to detect changes relative to. Defaults to HEAD (i.e. will compare staged vs. committed)\n * If comparing against a different branch, call `git merge-base` first to find the target commit.\n * @param gitPath - The path to the Git executable\n * @returns A map from the Git file path to the corresponding file change metadata\n * @beta\n */\nexport function getRepoChanges(\n currentWorkingDirectory: string,\n revision: string = 'HEAD',\n gitPath?: string\n): Map<string, IFileDiffStatus> {\n const rootDirectory: string = getRepoRoot(currentWorkingDirectory, gitPath);\n\n const result: child_process.SpawnSyncReturns<string> = Executable.spawnSync(\n gitPath || 'git',\n STANDARD_GIT_OPTIONS.concat([\n 'diff-index',\n '--color=never',\n '--no-renames',\n '--no-commit-id',\n '--cached',\n '-z',\n revision,\n '--'\n ]),\n {\n currentWorkingDirectory: rootDirectory\n }\n );\n\n if (result.status !== 0) {\n ensureGitMinimumVersion(gitPath);\n\n throw new Error(`git diff-index exited with status ${result.status}: ${result.stderr}`);\n }\n\n const changes: Map<string, IFileDiffStatus> = parseGitDiffIndex(result.stdout);\n\n return changes;\n}\n\n/**\n * Checks the git version and throws an error if it is less than the minimum required version.\n *\n * @public\n */\nexport function ensureGitMinimumVersion(gitPath?: string): void {\n const gitVersion: IGitVersion = getGitVersion(gitPath);\n if (\n gitVersion.major < MINIMUM_GIT_VERSION.major ||\n (gitVersion.major === MINIMUM_GIT_VERSION.major && gitVersion.minor < MINIMUM_GIT_VERSION.minor) ||\n (gitVersion.major === MINIMUM_GIT_VERSION.major &&\n gitVersion.minor === MINIMUM_GIT_VERSION.minor &&\n gitVersion.patch < MINIMUM_GIT_VERSION.patch)\n ) {\n throw new Error(\n `The minimum Git version required is ` +\n `${MINIMUM_GIT_VERSION.major}.${MINIMUM_GIT_VERSION.minor}.${MINIMUM_GIT_VERSION.patch}. ` +\n `Your version is ${gitVersion.major}.${gitVersion.minor}.${gitVersion.patch}.`\n );\n }\n}\n\nfunction getGitVersion(gitPath?: string): IGitVersion {\n const result: child_process.SpawnSyncReturns<string> = Executable.spawnSync(\n gitPath || 'git',\n STANDARD_GIT_OPTIONS.concat(['version'])\n );\n\n if (result.status !== 0) {\n throw new Error(\n `While validating the Git installation, the \"git version\" command failed with ` +\n `status ${result.status}: ${result.stderr}`\n );\n }\n\n return parseGitVersion(result.stdout);\n}\n\nexport function parseGitVersion(gitVersionOutput: string): IGitVersion {\n // This regexp matches output of \"git version\" that looks like `git version <number>.<number>.<number>(+whatever)`\n // Examples:\n // - git version 1.2.3\n // - git version 1.2.3.4.5\n // - git version 1.2.3windows.1\n // - git version 1.2.3.windows.1\n const versionRegex: RegExp = /^git version (\\d+)\\.(\\d+)\\.(\\d+)/;\n const match: RegExpMatchArray | null = versionRegex.exec(gitVersionOutput);\n if (!match) {\n throw new Error(\n `While validating the Git installation, the \"git version\" command produced ` +\n `unexpected output: \"${gitVersionOutput}\"`\n );\n }\n\n const major: number = parseInt(match[1], 10);\n const minor: number = parseInt(match[2], 10);\n const patch: number = parseInt(match[3], 10);\n\n return {\n major,\n minor,\n patch\n };\n}\n"]}
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Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.\n// See LICENSE in the project root for license information.\n\nimport type * as child_process from 'node:child_process';\nimport { once } from 'node:events';\nimport { Readable, pipeline } from 'node:stream';\n\nimport { Executable, type IExecutableSpawnOptions } from '@rushstack/node-core-library/lib/Executable';\nimport { FileSystem } from '@rushstack/node-core-library/lib/FileSystem';\n\nexport interface IGitVersion {\n major: number;\n minor: number;\n patch: number;\n}\n\nconst MINIMUM_GIT_VERSION: IGitVersion = {\n major: 2,\n minor: 35,\n patch: 0\n};\n\nconst STANDARD_GIT_OPTIONS: readonly string[] = [\n // Don't request any optional file locks\n '--no-optional-locks',\n // Ensure that commands don't run automatic maintenance, since performance of the command itself is paramount\n '-c',\n 'maintenance.auto=false'\n];\n\n// Windows reserved device names (case-insensitive). A file whose final path segment matches one\n// of these (with or without an extension) cannot be opened by name on Windows, so passing it to\n// `git hash-object` aborts the process. Such files are typically untracked artifacts left behind\n// by tooling (e.g. stray `nul` from a shell redirect).\nconst WINDOWS_RESERVED_BASENAMES: ReadonlySet<string> = new Set([\n 'CON', 'PRN', 'AUX', 'NUL',\n 'COM1', 'COM2', 'COM3', 'COM4', 'COM5', 'COM6', 'COM7', 'COM8', 'COM9',\n 'LPT1', 'LPT2', 'LPT3', 'LPT4', 'LPT5', 'LPT6', 'LPT7', 'LPT8', 'LPT9'\n]);\n\n/**\n * Returns `true` if `filePath`'s final path segment is a Windows reserved device name\n * (with or without an extension), case-insensitively. Exported for tests.\n * @internal\n */\nexport function isWindowsReservedPath(filePath: string): boolean {\n const lastSlash: number = Math.max(filePath.lastIndexOf('/'), filePath.lastIndexOf('\\\\'));\n const basename: string = lastSlash >= 0 ? filePath.slice(lastSlash + 1) : filePath;\n const dot: number = basename.indexOf('.');\n const stem: string = (dot >= 0 ? basename.slice(0, dot) : basename).toUpperCase();\n return WINDOWS_RESERVED_BASENAMES.has(stem);\n}\n\nconst OBJECTMODE_SUBMODULE: '160000' = '160000';\nconst OBJECTMODE_SYMLINK: '120000' = '120000';\nconst OBJECTMODE_FILE_NONEXECUTABLE: '100644' = '100644';\nconst OBJECTMODE_FILE_EXECUTABLE: '100755' = '100755';\n\n// Note that `type` is a stub that is being ignored by the parser in favor of using `mode` to infer, since `%(objecttype)` requires git 2.51.0+\n// e.g. 10644 blob <hash>\\t<path>\nconst GIT_LSTREE_FORMAT: string = '%(objectmode) type %(objectname)%x09%(path)';\n\ninterface IGitTreeState {\n files: Map<string, string>; // type \"blob\"\n symlinks: Map<string, string>; // type \"link\"\n submodules: Map<string, string>; // type \"commit\"\n}\n\n/**\n * Parses the output of the \"git ls-tree -r -z\" command or of other commands that have been coerced to match its format.\n * @internal\n */\nexport function parseGitLsTree(output: string): IGitTreeState {\n const files: Map<string, string> = new Map();\n const symlinks: Map<string, string> = new Map();\n const submodules: Map<string, string> = new Map();\n\n // Parse the output\n // With the -z modifier, paths are delimited by nulls\n // A line looks like:\n // <mode> <type> <newhash>\\t<path>\\0\n // 100644 blob a300ccb0b36bd2c85ef18e3c619a2c747f95959e\\ttools/prettier-git/prettier-git.js\\0\n\n let last: number = 0;\n let index: number = output.indexOf('\\0', last);\n while (index >= 0) {\n const item: string = output.slice(last, index);\n\n const tabIndex: number = item.indexOf('\\t');\n const filePath: string = item.slice(tabIndex + 1);\n\n // The newHash will be all zeros if the file is deleted, or a hash if it exists\n const hash: string = item.slice(tabIndex - 40, tabIndex);\n\n const mode: string = item.slice(0, item.indexOf(' '));\n\n switch (mode) {\n case OBJECTMODE_SUBMODULE: {\n // This is a submodule\n submodules.set(filePath, hash);\n break;\n }\n case OBJECTMODE_SYMLINK: {\n // This is a symbolic link\n symlinks.set(filePath, hash);\n break;\n }\n case OBJECTMODE_FILE_NONEXECUTABLE:\n case OBJECTMODE_FILE_EXECUTABLE:\n default: {\n files.set(filePath, hash);\n break;\n }\n }\n\n last = index + 1;\n index = output.indexOf('\\0', last);\n }\n\n return {\n files,\n symlinks,\n submodules\n };\n}\n\n/**\n * Parses the output of `git hash-object`\n * yields [filePath, hash] pairs.\n * @internal\n */\nexport function* parseGitHashObject(\n output: string,\n filePaths: ReadonlyArray<string>\n): IterableIterator<[string, string]> {\n const expected: number = filePaths.length;\n if (expected === 0) {\n return;\n }\n\n output = output.trim();\n\n let last: number = 0;\n let i: number = 0;\n let index: number = output.indexOf('\\n', last);\n for (; i < expected && index > 0; i++) {\n const hash: string = output.slice(last, index);\n yield [filePaths[i], hash];\n last = index + 1;\n index = output.indexOf('\\n', last);\n }\n\n // Handle last line. Will be non-empty to due trim() call.\n if (index < 0) {\n const hash: string = output.slice(last);\n yield [filePaths[i], hash];\n i++;\n }\n\n if (i !== expected) {\n throw new Error(`Expected ${expected} hashes from \"git hash-object\" but received ${i}`);\n }\n}\n\n/**\n * Information about the changes to a file.\n * @beta\n */\nexport interface IFileDiffStatus {\n mode: string;\n oldhash: string;\n newhash: string;\n status: 'A' | 'D' | 'M';\n}\n\n/**\n * Parses the output of `git diff-index --color=never --no-renames --no-commit-id -z <REVISION> --\n * Returns a map of file path to diff\n * @internal\n */\nexport function parseGitDiffIndex(output: string): Map<string, IFileDiffStatus> {\n const result: Map<string, IFileDiffStatus> = new Map();\n\n // Parse the output\n // With the -z modifier, paths are delimited by nulls\n // A line looks like:\n // :<oldmode> <newmode> <oldhash> <newhash> <status>\\0<path>\\0\n // :100644 100644 a300ccb0b36bd2c85ef18e3c619a2c747f95959e 0000000000000000000000000000000000000000 M\\0tools/prettier-git/prettier-git.js\\0\n\n let last: number = 0;\n let index: number = output.indexOf('\\0', last);\n while (index >= 0) {\n const header: string = output.slice(last, index);\n const status: IFileDiffStatus['status'] = header.slice(-1) as IFileDiffStatus['status'];\n\n last = index + 1;\n index = output.indexOf('\\0', last);\n const filePath: string = output.slice(last, index);\n\n // We passed --no-renames above, so a rename will be a delete of the old location and an add at the new.\n // The newHash will be all zeros if the file is deleted, or a hash if it exists\n const mode: string = header.slice(8, 14);\n const oldhash: string = header.slice(-83, -43);\n const newhash: string = header.slice(-42, -2);\n result.set(filePath, {\n mode,\n oldhash,\n newhash,\n status\n });\n\n last = index + 1;\n index = output.indexOf('\\0', last);\n }\n\n return result;\n}\n\n/**\n * Parses the output of `git status -z -u` to extract the set of files that have changed since HEAD.\n *\n * @param output - The raw output from Git\n * @returns a map of file path to if it exists\n * @internal\n */\nexport function parseGitStatus(output: string): Map<string, boolean> {\n const result: Map<string, boolean> = new Map();\n\n // Parse the output\n // With the -z modifier, paths are delimited by nulls\n // A line looks like:\n // XY <path>\\0\n // M tools/prettier-git/prettier-git.js\\0\n\n let startOfLine: number = 0;\n let eolIndex: number = output.indexOf('\\0', startOfLine);\n while (eolIndex >= 0) {\n // We passed --no-renames above, so a rename will be a delete of the old location and an add at the new.\n // charAt(startOfLine) is the index status, charAt(startOfLine + 1) is the working tree status\n const workingTreeStatus: string = output.charAt(startOfLine + 1);\n // Deleted in working tree, or not modified in working tree and deleted in index\n const deleted: boolean =\n workingTreeStatus === 'D' || (workingTreeStatus === ' ' && output.charAt(startOfLine) === 'D');\n\n const filePath: string = output.slice(startOfLine + 3, eolIndex);\n result.set(filePath, !deleted);\n\n startOfLine = eolIndex + 1;\n eolIndex = output.indexOf('\\0', startOfLine);\n }\n\n return result;\n}\n\nconst repoRootCache: Map<string, string> = new Map();\n\n/**\n * Finds the root of the current Git repository\n *\n * @param currentWorkingDirectory - The working directory for which to locate the repository\n * @param gitPath - The path to the Git executable\n *\n * @returns The full path to the root directory of the Git repository\n * @beta\n */\nexport function getRepoRoot(currentWorkingDirectory: string, gitPath?: string): string {\n let cachedResult: string | undefined = repoRootCache.get(currentWorkingDirectory);\n if (!cachedResult) {\n const result: child_process.SpawnSyncReturns<string> = Executable.spawnSync(\n gitPath || 'git',\n ['--no-optional-locks', 'rev-parse', '--show-toplevel'],\n {\n currentWorkingDirectory\n }\n );\n\n if (result.status !== 0) {\n ensureGitMinimumVersion(gitPath);\n\n throw new Error(`git rev-parse exited with status ${result.status}: ${result.stderr}`);\n }\n\n cachedResult = result.stdout.trim();\n\n repoRootCache.set(currentWorkingDirectory, cachedResult);\n // To ensure that calling getRepoRoot on the result is a no-op.\n repoRootCache.set(cachedResult, cachedResult);\n }\n\n return cachedResult;\n}\n\n/**\n * Helper function for async process invocation with optional stdin support.\n * @param gitPath - Path to the Git executable\n * @param args - The process arguments\n * @param currentWorkingDirectory - The working directory. Should be the repository root.\n * @param stdin - An optional Readable stream to use as stdin to the process.\n */\nasync function spawnGitAsync(\n gitPath: string | undefined,\n args: string[],\n currentWorkingDirectory: string,\n stdin?: Readable\n): Promise<string> {\n const spawnOptions: IExecutableSpawnOptions = {\n currentWorkingDirectory,\n stdio: ['pipe', 'pipe', 'pipe']\n };\n\n let stdout: string = '';\n let stderr: string = '';\n\n const proc: child_process.ChildProcess = Executable.spawn(gitPath || 'git', args, spawnOptions);\n proc.stdout!.setEncoding('utf-8');\n proc.stderr!.setEncoding('utf-8');\n\n proc.stdout!.on('data', (chunk: string) => {\n stdout += chunk.toString();\n });\n proc.stderr!.on('data', (chunk: string) => {\n stderr += chunk.toString();\n });\n\n if (stdin) {\n /**\n * For `git hash-object` data is piped in asynchronously. In the event that one of the\n * passed filenames cannot be hashed, subsequent writes to `proc.stdin` will error.\n * Silence this error since it will be handled by the non-zero exit code of the process.\n */\n pipeline(stdin, proc.stdin!, (err) => {});\n }\n\n const [status] = await once(proc, 'close');\n if (status !== 0) {\n ensureGitMinimumVersion(gitPath);\n\n throw new Error(`git ${args[0]} exited with code ${status}:\\n${stderr}`);\n }\n\n return stdout;\n}\n\nfunction isIterable<T>(value: Iterable<T> | AsyncIterable<T>): value is Iterable<T> {\n return Symbol.iterator in value;\n}\n\n/**\n * Uses `git hash-object` to hash the provided files. Unlike `getGitHashForFiles`, this API is asynchronous, and also allows for\n * the input file paths to be specified as an async iterable.\n *\n * @param rootDirectory - The root directory to which paths are specified relative. Must be the root of the Git repository.\n * @param filesToHash - The file paths to hash using `git hash-object`\n * @param gitPath - The path to the Git executable\n * @returns An iterable of [filePath, hash] pairs\n *\n * @remarks\n * The input file paths must be specified relative to the Git repository root, or else be absolute paths.\n * @beta\n */\nexport async function hashFilesAsync(\n rootDirectory: string,\n filesToHash: Iterable<string> | AsyncIterable<string>,\n gitPath?: string\n): Promise<Iterable<[string, string]>> {\n const hashPaths: string[] = [];\n\n const input: Readable = Readable.from(\n isIterable(filesToHash)\n ? (function* (): IterableIterator<string> {\n for (const file of filesToHash) {\n hashPaths.push(file);\n yield `${file}\\n`;\n }\n })()\n : (async function* (): AsyncIterableIterator<string> {\n for await (const file of filesToHash) {\n hashPaths.push(file);\n yield `${file}\\n`;\n }\n })(),\n {\n encoding: 'utf-8',\n objectMode: false,\n autoDestroy: true\n }\n );\n\n const hashObjectResult: string = await spawnGitAsync(\n gitPath,\n STANDARD_GIT_OPTIONS.concat(['hash-object', '--stdin-paths']),\n rootDirectory,\n input\n );\n\n return parseGitHashObject(hashObjectResult, hashPaths);\n}\n\n/**\n * Gets the object hashes for all files in the Git repo, combining the current commit with working tree state.\n * Uses async operations and runs all primary Git calls in parallel.\n * @param rootDirectory - The root directory of the Git repository\n * @param additionalRelativePathsToHash - Root-relative file paths to have Git hash and include in the results\n * @param gitPath - The path to the Git executable\n * @beta\n */\nexport async function getRepoStateAsync(\n rootDirectory: string,\n additionalRelativePathsToHash?: string[],\n gitPath?: string,\n filterPath?: string[]\n): Promise<Map<string, string>> {\n const { files } = await getDetailedRepoStateAsync(\n rootDirectory,\n additionalRelativePathsToHash,\n gitPath,\n filterPath\n );\n\n return files;\n}\n\n/**\n * Information about the detailed state of the Git repository.\n * @beta\n */\nexport interface IDetailedRepoState {\n /**\n * The Git file hashes for all files in the repository, including uncommitted changes.\n */\n files: Map<string, string>;\n /**\n * The Git file hashes for all symbolic links in the repository, including uncommitted changes.\n */\n symlinks: Map<string, string>;\n /**\n * A boolean indicating whether the repository has submodules.\n */\n hasSubmodules: boolean;\n /**\n * A boolean indicating whether the repository has uncommitted changes.\n */\n hasUncommittedChanges: boolean;\n}\n\n/**\n * Gets the object hashes for all files in the Git repo, combining the current commit with working tree state.\n * Uses async operations and runs all primary Git calls in parallel.\n * @param rootDirectory - The root directory of the Git repository\n * @param additionalRelativePathsToHash - Root-relative file paths to have Git hash and include in the results\n * @param gitPath - The path to the Git executable\n * @beta\n */\nexport async function getDetailedRepoStateAsync(\n rootDirectory: string,\n additionalRelativePathsToHash?: string[],\n gitPath?: string,\n filterPath?: string[]\n): Promise<IDetailedRepoState> {\n const statePromise: Promise<IGitTreeState> = spawnGitAsync(\n gitPath,\n STANDARD_GIT_OPTIONS.concat([\n 'ls-files',\n // Read from the index only\n '--cached',\n // Use NUL as the separator\n '-z',\n // Specify the full path to files relative to the root\n '--full-name',\n // Match the format of \"git ls-tree\". The %(objecttype) placeholder requires git 2.51.0+, so not using yet.\n `--format=${GIT_LSTREE_FORMAT}`,\n '--',\n ...(filterPath ?? [])\n ]),\n rootDirectory\n ).then(parseGitLsTree);\n const locallyModifiedPromise: Promise<Map<string, boolean>> = spawnGitAsync(\n gitPath,\n STANDARD_GIT_OPTIONS.concat([\n 'status',\n // Use NUL as the separator\n '-z',\n // Include untracked files\n '-u',\n // Disable rename detection so that renames show up as add + delete\n '--no-renames',\n // Don't process submodules with this command; they'll be handled individually\n '--ignore-submodules',\n // Don't compare against the remote\n '--no-ahead-behind',\n '--',\n ...(filterPath ?? [])\n ]),\n rootDirectory\n ).then(parseGitStatus);\n\n async function* getFilesToHash(): AsyncIterableIterator<string> {\n if (additionalRelativePathsToHash) {\n for (const file of additionalRelativePathsToHash) {\n yield file;\n }\n }\n\n const [{ files, symlinks }, locallyModified] = await Promise.all([statePromise, locallyModifiedPromise]);\n\n const isWindows: boolean = process.platform === 'win32';\n for (const [filePath, exists] of locallyModified) {\n if (exists && !symlinks.has(filePath)) {\n // Skip Windows reserved device names. `git hash-object` cannot open them and would abort\n // the entire repo-state computation. These are almost always stray artifacts (e.g. a `nul`\n // file produced by a misdirected shell redirect) rather than meaningful inputs.\n if (isWindows && isWindowsReservedPath(filePath)) {\n continue;\n }\n yield filePath;\n } else {\n files.delete(filePath);\n symlinks.delete(filePath);\n }\n }\n }\n\n const hashObjectPromise: Promise<Iterable<[string, string]>> = hashFilesAsync(\n rootDirectory,\n getFilesToHash(),\n gitPath\n );\n\n const [{ files, symlinks, submodules }, locallyModifiedFiles] = await Promise.all([\n statePromise,\n locallyModifiedPromise\n ]);\n\n // The result of \"git hash-object\" will be a list of file hashes delimited by newlines\n for (const [filePath, hash] of await hashObjectPromise) {\n files.set(filePath, hash);\n }\n\n // Existence check for the .gitmodules file\n const hasSubmodules: boolean = submodules.size > 0 && FileSystem.exists(`${rootDirectory}/.gitmodules`);\n\n if (hasSubmodules) {\n // Submodules are not the normal critical path. Accept serial performance rather than investing in complexity.\n // Can revisit if submodules become more commonly used.\n for (const submodulePath of submodules.keys()) {\n const submoduleState: Map<string, string> = await getRepoStateAsync(\n `${rootDirectory}/${submodulePath}`,\n [],\n gitPath\n );\n for (const [filePath, hash] of submoduleState) {\n files.set(`${submodulePath}/${filePath}`, hash);\n }\n }\n }\n\n return {\n hasSubmodules,\n hasUncommittedChanges: locallyModifiedFiles.size > 0,\n files,\n symlinks\n };\n}\n\n/**\n * Find all changed files tracked by Git, their current hashes, and the nature of the change. Only useful if all changes are staged or committed.\n * @param currentWorkingDirectory - The working directory. Only used to find the repository root.\n * @param revision - The Git revision specifier to detect changes relative to. Defaults to HEAD (i.e. will compare staged vs. committed)\n * If comparing against a different branch, call `git merge-base` first to find the target commit.\n * @param gitPath - The path to the Git executable\n * @returns A map from the Git file path to the corresponding file change metadata\n * @beta\n */\nexport function getRepoChanges(\n currentWorkingDirectory: string,\n revision: string = 'HEAD',\n gitPath?: string\n): Map<string, IFileDiffStatus> {\n const rootDirectory: string = getRepoRoot(currentWorkingDirectory, gitPath);\n\n const result: child_process.SpawnSyncReturns<string> = Executable.spawnSync(\n gitPath || 'git',\n STANDARD_GIT_OPTIONS.concat([\n 'diff-index',\n '--color=never',\n '--no-renames',\n '--no-commit-id',\n '--cached',\n '-z',\n revision,\n '--'\n ]),\n {\n currentWorkingDirectory: rootDirectory\n }\n );\n\n if (result.status !== 0) {\n ensureGitMinimumVersion(gitPath);\n\n throw new Error(`git diff-index exited with status ${result.status}: ${result.stderr}`);\n }\n\n const changes: Map<string, IFileDiffStatus> = parseGitDiffIndex(result.stdout);\n\n return changes;\n}\n\n/**\n * Checks the git version and throws an error if it is less than the minimum required version.\n *\n * @public\n */\nexport function ensureGitMinimumVersion(gitPath?: string): void {\n const gitVersion: IGitVersion = getGitVersion(gitPath);\n if (\n gitVersion.major < MINIMUM_GIT_VERSION.major ||\n (gitVersion.major === MINIMUM_GIT_VERSION.major && gitVersion.minor < MINIMUM_GIT_VERSION.minor) ||\n (gitVersion.major === MINIMUM_GIT_VERSION.major &&\n gitVersion.minor === MINIMUM_GIT_VERSION.minor &&\n gitVersion.patch < MINIMUM_GIT_VERSION.patch)\n ) {\n throw new Error(\n `The minimum Git version required is ` +\n `${MINIMUM_GIT_VERSION.major}.${MINIMUM_GIT_VERSION.minor}.${MINIMUM_GIT_VERSION.patch}. ` +\n `Your version is ${gitVersion.major}.${gitVersion.minor}.${gitVersion.patch}.`\n );\n }\n}\n\nfunction getGitVersion(gitPath?: string): IGitVersion {\n const result: child_process.SpawnSyncReturns<string> = Executable.spawnSync(\n gitPath || 'git',\n STANDARD_GIT_OPTIONS.concat(['version'])\n );\n\n if (result.status !== 0) {\n throw new Error(\n `While validating the Git installation, the \"git version\" command failed with ` +\n `status ${result.status}: ${result.stderr}`\n );\n }\n\n return parseGitVersion(result.stdout);\n}\n\nexport function parseGitVersion(gitVersionOutput: string): IGitVersion {\n // This regexp matches output of \"git version\" that looks like `git version <number>.<number>.<number>(+whatever)`\n // Examples:\n // - git version 1.2.3\n // - git version 1.2.3.4.5\n // - git version 1.2.3windows.1\n // - git version 1.2.3.windows.1\n const versionRegex: RegExp = /^git version (\\d+)\\.(\\d+)\\.(\\d+)/;\n const match: RegExpMatchArray | null = versionRegex.exec(gitVersionOutput);\n if (!match) {\n throw new Error(\n `While validating the Git installation, the \"git version\" command produced ` +\n `unexpected output: \"${gitVersionOutput}\"`\n );\n }\n\n const major: number = parseInt(match[1], 10);\n const minor: number = parseInt(match[2], 10);\n const patch: number = parseInt(match[3], 10);\n\n return {\n major,\n minor,\n patch\n };\n}\n"]}
{
"name": "@rushstack/package-deps-hash",
"version": "4.7.17",
"version": "4.7.18",
"description": "",

@@ -5,0 +5,0 @@ "main": "./lib-commonjs/index.js",

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