Hermes-agent

apps/desktop/electron/git-root.cjs

@@ -0,0 +1,54 @@
+'use strict'
+
+const fs = require('node:fs')
+const path = require('node:path')
+const { resolveRequestedPathForIpc } = require('./hardening.cjs')
+
+function findGitRoot(start, fsImpl = fs) {
+  let dir = start
+
+  for (let i = 0; i < 50; i += 1) {
+    try {
+      if (fsImpl.existsSync(path.join(dir, '.git'))) {
+        return dir
+      }
+    } catch {
+      return null
+    }
+
+    const parent = path.dirname(dir)
+
+    if (parent === dir) {
+      return null
+    }
+
+    dir = parent
+  }
+
+  return null
+}
+
+async function gitRootForIpc(startPath, options = {}) {
+  const fsImpl = options.fs || fs
+  let resolved
+
+  try {
+    resolved = resolveRequestedPathForIpc(startPath, { purpose: 'Git root' })
+  } catch {
+    return null
+  }
+
+  try {
+    const stat = await fsImpl.promises.stat(resolved)
+    const start = stat.isDirectory() ? resolved : path.dirname(resolved)
+
+    return findGitRoot(start, fsImpl)
+  } catch {
+    return findGitRoot(resolved, fsImpl)
+  }
+}
+
+module.exports = {
+  findGitRoot,
+  gitRootForIpc
+}