$ git clone -n https://src.fedoraproject.org/rpms/golang-github-libgit2-git2go.git /var/lib/mock/f40-build-2066776-49285/root/chroot_tmpdir/scmroot/golang-github-libgit2-git2go
Cloning into '/var/lib/mock/f40-build-2066776-49285/root/chroot_tmpdir/scmroot/golang-github-libgit2-git2go'...
$ git fetch origin 1fbcff0e8c2ba47fd3fc8cdc9da1e22c18883362:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-libgit2-git2go
 * [new ref]         1fbcff0e8c2ba47fd3fc8cdc9da1e22c18883362 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1fbcff0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild