$ git clone -n https://src.fedoraproject.org/rpms/golang-github-hub.git /var/lib/mock/f40-build-2287831-55754/root/chroot_tmpdir/scmroot/golang-github-hub
Cloning into '/var/lib/mock/f40-build-2287831-55754/root/chroot_tmpdir/scmroot/golang-github-hub'...
$ git fetch origin a666c75f2742c73652d24ae2f3427ce611ab8dda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-hub
 * [new ref]         a666c75f2742c73652d24ae2f3427ce611ab8dda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a666c75 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild