On Tue, May 14, 2019 at 9:53 PM Cosmin Polifronie <opptu...@gmail.com> wrote: > > Hello! I am trying to run 'git worktree add <path> HEAD' in the > 'pre-commit' hook, more specifically in a Python script that is being > called from the hook. When doing so, I am greeted with the following > error: > > On Windows 10: > Preparing worktree (detached HEAD cbfef18) > fatal: Unable to create 'C:/Users/meh/Desktop/abc/.git/index.lock': No > such file or directory > > On Arch Linux: > Preparing worktree (detached HEAD cbfef18) > fatal: Unable to create '/home/cosmin/Downloads/abc/.git/index.lock': > Not a directory > > Is it forbidden to call this command from a hook?
pre-commit hook sets GIT_INDEX_FILE to this "index.lock" so you have the latest index content (which is not the same as from $GIT_DIR/index). This variable will interfere with any commands that work on a different worktree. So you probably can still make it work by backing up $GIT_INDEX_FILE (in case you need it), then unset it before you use "git worktree" (or cd to it if you keep a permanent separate worktree for pre-commit activities). To make sure you don't have similar problems, you probably should do "env | grep GIT" from the hook and see if any other variables are set. > If yes, what kind of > alternatives do I have? I need to make a copy of the repo in its HEAD > state, process it and then decide if I will pass the current commit or > not. > > Thanks! :) -- Duy
