Git拉取远程仓库peterI报错，求助排查权限配置问题

Let's break down why you're hitting the "does not appear to be a git repository" error even though the repo exists. This is almost always tied to Linux filesystem permissions or SSH path resolution quirks—here's what to check and fix:

1. Fix SSH Path Resolution (Critical First Step!) #

When you use ~peterI in your SSH URL while logged in as manuelM, the server might not resolve ~peterI to Peter's home directory correctly. SSH only expands ~username when you're logged in as that specific user; for other users, it may try to look for a folder named peterI inside manuelM's own home directory instead.

Quick Fix:
Replace the tilde path with the absolute path to Peter's home directory (e.g., if Peter's home is /home/peterI). Update your remote URL with:

git remote set-url peterI ssh://manuelM@example.net/home/peterI/public_html/public.git

Try fetching again with git fetch peterI.

2. Verify Directory Permissions on the Linux Server #

Every folder in the chain leading to the repo needs to let manuelM traverse (execute permission) and read its contents. Log into the server via SSH as manuelM and run these checks:

• Peter's home directory: Ensure you can access it and it has execute permissions for external users/groups:

  ls -ld ~peterI/
  # Look for 'x' in the permission string (e.g., drwx--x--x or drwxr-xr-x)
  

• public_html folder: Check the intermediate directory the same way:

  ls -ld ~peterI/public_html/
  

• Git repo directory: Confirm the repo itself has read and execute permissions, and that core Git files exist:

  ls -ld ~peterI/public_html/public.git/
  # Inside the repo, you should see objects/, refs/, config, HEAD, etc.:
  ls ~peterI/public_html/public.git/
  

If any directory lacks the required x or r permissions, fix them with:

# Allow traversal of Peter's home directory (adjust for security needs)
chmod o+x ~peterI/
# Allow read/traversal of public_html and the repo
chmod o+rx ~peterI/public_html/
chmod -R o+rx ~peterI/public_html/public.git/

3. Use Group-Based Permissions (More Secure Alternative) #

Instead of granting access to all "other users", add manuelM to Peter's user group (if your server admin allows it):

# Run as root or a user with sudo access
usermod -aG peterI_group manuelM
# Update repo permissions to allow group access
chgrp -R peterI_group ~peterI/public_html/public.git/
chmod -R g+rx ~peterI/public_html/public.git/

4. Manual Test to Isolate the Issue #

Before trying Git again, confirm you can access the repo directly via SSH:

1. Log into the server: ssh manuelM@example.net
2. Navigate to the repo: cd ~peterI/public_html/public.git
3. Run a Git command to validate the repo: git rev-parse HEAD

If this succeeds, the issue is unrelated to your local Git config (but you already re-added the remote, so this is unlikely). If it fails, the problem is definitely server-side permissions or path resolution.

内容的提问来源于stack exchange，提问作者Jaime Montoya