Git API omits remotes defined through repository-local include.path

Type: Bug

Does this issue occur when all extensions are disabled?: Yes

When remotes are defined via an include inside .git/config, they are not correctly parsed. The most visible error is via the GitHub Pull Requests extension that shows [error] [FolderRepositoryManager+0] The remote 'origin' is not a GitHub repository. even though it really is.

Steps to Reproduce:

1. Create a repository whose remote is defined in an included config:

   root="$(mktemp -d)"
   git init "$root/repo"
   
   git config --file "$root/remotes.conf" \
     remote.origin.url https://github.com/microsoft/vscode.git
   git config --file "$root/remotes.conf" \
     remote.origin.fetch '+refs/heads/*:refs/remotes/origin/*'
   
   git -C "$root/repo" config --local include.path "$root/remotes.conf"
   git -C "$root/repo" remote -v
   

2. Confirm that Git reports origin:

   origin https://github.com/microsoft/vscode.git (fetch)
   origin https://github.com/microsoft/vscode.git (push)
   

3. Open $root/repo in VS Code.

4. Inspect the built-in Git extension’s Repository.state.remotes.

Actual behavior:

Repository.state.remotes does not contain origin. Features consuming the Git API consequently behave as if the repository has no matching remote, even though Git resolves it correctly.

Expected behavior:

Repository.state.remotes should reflect Git’s effective configuration, including remotes supplied through [include] and applicable [includeIf] sections.

Root cause:

extensions/git/src/git.ts implements getRemotesFS() by reading and parsing .git/config directly:

private async getRemotesFS(): Promise<MutableRemote[]> {
  const raw = await fs.readFile(
    path.join(this.dotGit.commonPath ?? this.dotGit.path, 'config'),
    'utf8'
  );
  return parseGitRemotes(raw);
}

This bypasses Git’s include processing. The existing getRemotesGit() fallback is only used when direct parsing throws, not when parsing succeeds but returns an incomplete set of remotes.

Suggested fix:

When the local config contains an include or includeIf section, use getRemotesGit() so Git resolves the effective configuration. This preserves the fast direct-file path for repositories without includes.

Extension version: 0.132.2
VS Code version: Code 1.136.1 (Universal) (a44adf7f53e00964ab890f9f8758a334f1fc15bc, 2026-09-03T05:06:41Z)
OS version: Darwin arm64 25.6.0
Modes:
Remote OS version: Linux x64 5.4.0-1161-aws-fips

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Comienza en extensions/git/src/git.ts, comparando getRemotesFS() con getRemotesGit() y cómo el análisis de configuración gestiona las secciones include e includeIf. Reproduce la configuración local del repositorio proporcionada y, a continuación, verifica que Repository.state.remotes incluya origin y que el comportamiento existente de detección de remotos de GitHub funcione correctamente.