$ git clone -n https://src.fedoraproject.org/rpms/golang-github-prometheus-procfs.git /var/lib/mock/f38-build-side-42-init-devel-598445-26162/root/chroot_tmpdir/scmroot/golang-github-prometheus-procfs
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-598445-26162/root/chroot_tmpdir/scmroot/golang-github-prometheus-procfs'...
$ git fetch origin c4d1489448c10ee14a1e66faf4f3583422a8e705:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-prometheus-procfs
 * [new ref]         c4d1489448c10ee14a1e66faf4f3583422a8e705 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4d1489 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild