builtins.fetchGit: Fix build when fetching a git worktree #3229
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Just hit this too. I rely quite heavily on git worktrees in my flow. |
Ma27
commented
Feb 19, 2020
Worktrees[1] are a feature of git which allow you to check out a ref in a different directory. While playing around with flakes I realized that git repositories in a worktree checkout break when trying to build a flake: ``` $ git worktree add ../nixpkgs-flakes nixpkgs-flakes $ cd ../nixpkgs-flakes $ nix build .#hello error: opening directory '/home/ma27/Projects/nixpkgs-flakes/.git/refs/heads': Not a directory ``` This issue has been fixed by determining with `git rev-parse --git-common-dir` where the actual `.git` directory is. Please note that this issue only exists on the `flakes` branch, fetching worktree checkouts with Nix master seems to work fine. [1] https://git-scm.com/docs/git-worktree
Ma27
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Just rebased onto latest master and ensured that the issue is still fixed with this patch :) |
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Thanks! |
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Worktrees[1] are a feature of git which allow you to check out a ref in
a different directory.
While playing around with flakes I realized that git repositories in a
worktree checkout break when trying to build a flake:
This issue has been fixed by determining with
git rev-parse --git-common-dirwhere the actual
.gitdirectory is.Please note that this issue only exists on the
flakesbranch, fetchingworktree checkouts with Nix master seems to work fine.
[1] https://git-scm.com/docs/git-worktree