$ git clone -n https://src.fedoraproject.org/rpms/reg.git /var/lib/mock/f41-build-733134-13198/root/chroot_tmpdir/scmroot/reg
Cloning into '/var/lib/mock/f41-build-733134-13198/root/chroot_tmpdir/scmroot/reg'...
$ git fetch origin 0c983d26e943c75cff4ef1c5372dd63478b66702:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/reg
 * [new ref]         0c983d26e943c75cff4ef1c5372dd63478b66702 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c983d2 Rebuild for golang 1.22.0