mirror of
https://github.com/NousResearch/hermes-agent.git
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6b278eeccc
Port the HERMES_GIT_BASH_PATH env var check from main.cjs to main.ts after the TS conversion. Also extract findGitBash to a dedicated module for testability and add focused regression tests for override precedence and invalid-override fallback.
55 lines
1.7 KiB
TypeScript
55 lines
1.7 KiB
TypeScript
import path from 'node:path'
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export interface GitBashOptions {
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isWindows: boolean
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env: Record<string, string | undefined>
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fileExists: (filePath: string) => boolean
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findOnPath?: (command: string) => string | null
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}
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/**
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* Locate bash.exe on Windows.
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* Resolution order (first match wins):
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* 1. HERMES_GIT_BASH_PATH env var override
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* 2. PortableGit under %LOCALAPPDATA%\hermes\git\ (install.ps1)
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* 3. Standard Git for Windows install locations
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* 4. %LOCALAPPDATA%\Programs\Git\ (user-scoped)
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* 5. bash on PATH
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*/
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export function findGitBash(opts: GitBashOptions): string | null {
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const { isWindows, env, fileExists, findOnPath } = opts
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if (!isWindows) {
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return findOnPath ? findOnPath('bash') : null
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}
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// Respect HERMES_GIT_BASH_PATH if set (mirrors tools/environments/local.py:_find_bash).
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const gitBashPath = env.HERMES_GIT_BASH_PATH
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if (gitBashPath && fileExists(gitBashPath)) return gitBashPath
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const localAppData = env.LOCALAPPDATA || ''
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const candidates: string[] = []
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if (localAppData) {
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candidates.push(path.join(localAppData, 'hermes', 'git', 'bin', 'bash.exe'))
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candidates.push(path.join(localAppData, 'hermes', 'git', 'usr', 'bin', 'bash.exe'))
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}
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candidates.push(path.join(env['ProgramFiles'] || 'C:\\Program Files', 'Git', 'bin', 'bash.exe'))
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candidates.push(path.join(env['ProgramFiles(x86)'] || 'C:\\Program Files (x86)', 'Git', 'bin', 'bash.exe'))
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if (localAppData) {
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candidates.push(path.join(localAppData, 'Programs', 'Git', 'bin', 'bash.exe'))
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}
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for (const candidate of candidates) {
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if (fileExists(candidate)) return candidate
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}
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if (findOnPath) {
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const onPath = findOnPath('bash')
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if (onPath) return onPath
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}
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return null
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}
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