$ git clone -n https://src.fedoraproject.org/rpms/golang-github-prometheus-client.git /var/lib/mock/f40-build-2345384-59968/root/chroot_tmpdir/scmroot/golang-github-prometheus-client
Cloning into '/var/lib/mock/f40-build-2345384-59968/root/chroot_tmpdir/scmroot/golang-github-prometheus-client'...
$ git fetch origin bab3fe75d5b740f29b14cd219fdf4c5f51528eee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-prometheus-client
 * [new ref]         bab3fe75d5b740f29b14cd219fdf4c5f51528eee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bab3fe7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild