init claude-code

2026-04-01 17:32:37 +02:00
commit 73b208c009
1902 changed files with 513237 additions and 0 deletions
@@ -0,0 +1,99 @@
+import { appendFile, mkdir, readFile, writeFile } from 'fs/promises'
+import { homedir } from 'os'
+import { dirname, join } from 'path'
+import { getCwd } from '../cwd.js'
+import { getErrnoCode } from '../errors.js'
+import { execFileNoThrowWithCwd } from '../execFileNoThrow.js'
+import { dirIsInGitRepo } from '../git.js'
+import { logError } from '../log.js'
+
+/**
+ * Checks if a path is ignored by git (via `git check-ignore`).
+ *
+ * This consults all applicable gitignore sources: repo `.gitignore` files
+ * (nested), `.git/info/exclude`, and the global gitignore — with correct
+ * precedence, because git itself resolves it.
+ *
+ * Exit codes: 0 = ignored, 1 = not ignored, 128 = not in a git repo.
+ * Returns `false` for 128, so callers outside a git repo fail open.
+ *
+ * @param filePath The path to check (absolute or relative to cwd)
+ * @param cwd The working directory to run git from
+ */
+export async function isPathGitignored(
+  filePath: string,
+  cwd: string,
+): Promise<boolean> {
+  const { code } = await execFileNoThrowWithCwd(
+    'git',
+    ['check-ignore', filePath],
+    {
+      preserveOutputOnError: false,
+      cwd,
+    },
+  )
+
+  return code === 0
+}
+
+/**
+ * Gets the path to the global gitignore file (.config/git/ignore)
+ * @returns The path to the global gitignore file
+ */
+export function getGlobalGitignorePath(): string {
+  return join(homedir(), '.config', 'git', 'ignore')
+}
+
+/**
+ * Adds a file pattern to the global gitignore file (.config/git/ignore)
+ * if it's not already ignored by existing patterns in any gitignore file
+ * @param filename The filename to add to gitignore
+ * @param cwd The current working directory (optional)
+ */
+export async function addFileGlobRuleToGitignore(
+  filename: string,
+  cwd: string = getCwd(),
+): Promise<void> {
+  try {
+    if (!(await dirIsInGitRepo(cwd))) {
+      return
+    }
+
+    // First check if the pattern is already ignored by any gitignore file (including global)
+    const gitignoreEntry = `**/${filename}`
+    // For directory patterns (ending with /), check with a sample file inside
+    const testPath = filename.endsWith('/')
+      ? `${filename}sample-file.txt`
+      : filename
+    if (await isPathGitignored(testPath, cwd)) {
+      // File is already ignored by existing patterns (local or global)
+      return
+    }
+
+    // Use the global gitignore file in .config/git/ignore
+    const globalGitignorePath = getGlobalGitignorePath()
+
+    // Create the directory if it doesn't exist
+    const configGitDir = dirname(globalGitignorePath)
+    await mkdir(configGitDir, { recursive: true })
+
+    // Add the entry to the global gitignore
+    try {
+      const content = await readFile(globalGitignorePath, { encoding: 'utf-8' })
+      if (content.includes(gitignoreEntry)) {
+        return // Pattern already exists, don't add again
+      }
+      await appendFile(globalGitignorePath, `\n${gitignoreEntry}\n`)
+    } catch (e: unknown) {
+      const code = getErrnoCode(e)
+      if (code === 'ENOENT') {
+        // Create global gitignore with entry
+        await writeFile(globalGitignorePath, `${gitignoreEntry}\n`, 'utf-8')
+      } else {
+        throw e
+      }
+    }
+  } catch (error) {
+    logError(error)
+  }
+}