$ git clone -n https://src.fedoraproject.org/rpms/BibTool.git /var/lib/mock/f40-build-757788-119495/root/chroot_tmpdir/scmroot/BibTool
Cloning into '/var/lib/mock/f40-build-757788-119495/root/chroot_tmpdir/scmroot/BibTool'...
$ git fetch origin 84fda0fda26d9fdbea4a62d611a1053a1ace2b8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/BibTool
 * [new ref]         84fda0fda26d9fdbea4a62d611a1053a1ace2b8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84fda0f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild