$ git clone -n https://src.fedoraproject.org/rpms/golang-github-facebookgo-clock.git /var/lib/mock/f38-build-side-42-init-devel-843132-28416/root/chroot_tmpdir/scmroot/golang-github-facebookgo-clock
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-843132-28416/root/chroot_tmpdir/scmroot/golang-github-facebookgo-clock'...
$ git fetch origin b28e1b4f3eda812f4ef6c9bc178174cd97d5dd8d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-facebookgo-clock
 * [new ref]         b28e1b4f3eda812f4ef6c9bc178174cd97d5dd8d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b28e1b4 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild