Describe the bug
When trying to create a git-hashed derivation, the content is hashed correctly but in $NIX_BUILD_TOP/tmp not in $out.
Steps To Reproduce
/nix/store/azpy5a4w7whrcywg6rfks2a0mwyzwr0a-nix-2.25.0pre20241101_2e5759e3/bin/nix-build --no-out-link -E 'with import <nixpkgs> {}; runCommandCC "test2" {outputHash="00000000000000000000000000000000";outputHashAlgo="sha1";outputHashMode="git";} "mkdir tmp; mkdir -p $out; cp ${"" + /tmp/a}/* tmp/"' --extra-experimental-features git-hashing --impure
/nix/store/azpy5a4w7whrcywg6rfks2a0mwyzwr0a-nix-2.25.0pre20241101_2e5759e3/bin/nix-build --no-out-link -E 'with import <nixpkgs> {}; runCommandCC "test2" {outputHash="00000000000000000000000000000000";outputHashAlgo="sha1";outputHashMode="git";} "mkdir tmp; mkdir -p $out; cp ${"" + /tmp/a}/* $out/"' --extra-experimental-features git-hashing --impure
Where /tmp/a is a git repository with some random stuff.
Result: the first command complains about a hash mismatch for the correct tree hash, the second command complains about a hash mismatch for a empty-root-directory git hash. (Based on ./tmp/ content)
Expected behavior
The hash mismatch complaints match $out content.
Metadata
$ /nix/store/azpy5a4w7whrcywg6rfks2a0mwyzwr0a-nix-2.25.0pre20241101_2e5759e3/bin/nix-env --version
nix-env (Nix) 2.25.0pre20241101_2e5759e3
Additional context
Just making sure it is not missed in the stabilisation of #8919
Discussed https://discourse.nixos.org/t/how-to-use-rfc0133-git-hashing-for-fods-correctly/59068 with @Atemu
Checklist
Add 👍 to issues you find important.
Describe the bug
When trying to create a git-hashed derivation, the content is hashed correctly but in
$NIX_BUILD_TOP/tmpnot in$out.Steps To Reproduce
Where
/tmp/ais a git repository with some random stuff.Result: the first command complains about a hash mismatch for the correct tree hash, the second command complains about a hash mismatch for a empty-root-directory git hash. (Based on
./tmp/content)Expected behavior
The hash mismatch complaints match
$outcontent.Metadata
Additional context
Just making sure it is not missed in the stabilisation of #8919
Discussed https://discourse.nixos.org/t/how-to-use-rfc0133-git-hashing-for-fods-correctly/59068 with @Atemu
Checklist
Add 👍 to issues you find important.