$ git clone -n https://src.fedoraproject.org/rpms/golang-github-alexflint-filemutex.git /var/lib/mock/f38-build-side-42-init-devel-606217-26249/root/chroot_tmpdir/scmroot/golang-github-alexflint-filemutex
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-606217-26249/root/chroot_tmpdir/scmroot/golang-github-alexflint-filemutex'...
$ git fetch origin d88dc14492215771e48851736704770b22e7dd28:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-alexflint-filemutex
 * [new ref]         d88dc14492215771e48851736704770b22e7dd28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d88dc14 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild