$ git clone -n https://src.fedoraproject.org/rpms/foomatic-db.git /var/lib/mock/f39-build-1577031-37953/root/chroot_tmpdir/scmroot/foomatic-db
Cloning into '/var/lib/mock/f39-build-1577031-37953/root/chroot_tmpdir/scmroot/foomatic-db'...
$ git fetch origin fe9a2e997db23a598bf949006be28954b8b82667:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/foomatic-db
 * [new ref]         fe9a2e997db23a598bf949006be28954b8b82667 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe9a2e9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild