Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

apps/desktop/electron/find-git-bash.ts

@@ -0,0 +1,67 @@
+import path from 'node:path'
+
+export interface GitBashOptions {
+  isWindows: boolean
+  env: Record<string, string | undefined>
+  fileExists: (filePath: string) => boolean
+  findOnPath?: (command: string) => string | null
+}
+
+/**
+ * Locate bash.exe on Windows.
+ * Resolution order (first match wins):
+ *   1. HERMES_GIT_BASH_PATH env var override
+ *   2. PortableGit under %LOCALAPPDATA%\hermes\git\ (install.ps1)
+ *   3. Standard Git for Windows install locations
+ *   4. %LOCALAPPDATA%\Programs\Git\ (user-scoped)
+ *   5. bash on PATH
+ */
+export function findGitBash(opts: GitBashOptions): string | null {
+  const { isWindows, env, fileExists, findOnPath } = opts
+
+  if (!isWindows) {
+    return findOnPath ? findOnPath('bash') : null
+  }
+
+  // Respect HERMES_GIT_BASH_PATH if set (mirrors tools/environments/local.py:_find_bash).
+  const gitBashPath = env.HERMES_GIT_BASH_PATH
+
+  if (gitBashPath && fileExists(gitBashPath)) {
+    return gitBashPath
+  }
+
+  const localAppData = env.LOCALAPPDATA || ''
+  const candidates: string[] = []
+
+  // Candidate paths are Windows paths regardless of host platform (tests run
+  // on POSIX CI hosts too), so join with win32 semantics explicitly.
+  const joinWin = path.win32.join
+
+  if (localAppData) {
+    candidates.push(joinWin(localAppData, 'hermes', 'git', 'bin', 'bash.exe'))
+    candidates.push(joinWin(localAppData, 'hermes', 'git', 'usr', 'bin', 'bash.exe'))
+  }
+
+  candidates.push(joinWin(env['ProgramFiles'] || 'C:\\Program Files', 'Git', 'bin', 'bash.exe'))
+  candidates.push(joinWin(env['ProgramFiles(x86)'] || 'C:\\Program Files (x86)', 'Git', 'bin', 'bash.exe'))
+
+  if (localAppData) {
+    candidates.push(joinWin(localAppData, 'Programs', 'Git', 'bin', 'bash.exe'))
+  }
+
+  for (const candidate of candidates) {
+    if (fileExists(candidate)) {
+      return candidate
+    }
+  }
+
+  if (findOnPath) {
+    const onPath = findOnPath('bash')
+
+    if (onPath) {
+      return onPath
+    }
+  }
+
+  return null
+}