feat: add repository git credential fixer

index.js

@@ -4,8 +4,7 @@
 import os from 'node:os'
 import path from 'node:path'
 import {
-  ForgeError, api, apiList, cloneRepo, deriveName, gitIn, listAccounts, listRepos,
-  normRepo, publicAccount, pushRepo, resolveRepo,
+  ForgeError, api, apiList, cloneRepo, deriveName, fixRepoConfig, gitIn, listAccounts, listRepos, normRepo, publicAccount, pushRepo, resolveRepo,
 } from './forge.mjs'
 import {
   accountsWithStatus, cliStatus, giteaLogin, githubDeviceCancel, githubDeviceStart, githubDeviceStatus,
@@ -348,6 +347,15 @@ async function toolPush(args, exec) {
   return pushRepo({ cwd, remote: args.remote, branch: args.branch, force: !!args.force, tags: !!args.tags, signal: exec?.signal })
 }
 
+async function toolFixCredentials(args, exec) {
+  const cwd = sessionCwd(exec)
+  const requested = String(args.path ?? '').trim()
+  const repoPath = requested
+    ? path.resolve(cwd, requested.replace(/^~(?=\/|$)/, os.homedir()))
+    : cwd
+  return fixRepoConfig(repoPath)
+}
+
 // ---- tool definitions ---------------------------------------------------------
 
 const S = (type, description, extra = {}) => ({ type, description, ...extra })
@@ -482,6 +490,13 @@ const TOOLS = [
     },
     required: ['path'],
   }, toolApi),
+  defineTool({
+    name: 'forge_fix_credentials',
+    description: 'Fix the local git credential helper configuration inside a repository. Replaces only that repository’s .git/config credential.helper values with the git-forge helper, so plain git fetch, pull, and push can authenticate through authorized GitHub and Gitea accounts. Does not change global git configuration.',
+    properties: {
+      path: S('string', 'Repository directory (default: the session working directory). Relative paths use the session working directory; a nested path resolves to its repository root.'),
+    },
+  }, toolFixCredentials),
 ]
 
 // ---- plugin -----------------------------------------------------------------