$ git clone -n https://src.fedoraproject.org/rpms/corectrl.git /var/lib/mock/f39-build-2243603-53696/root/chroot_tmpdir/scmroot/corectrl
Cloning into '/var/lib/mock/f39-build-2243603-53696/root/chroot_tmpdir/scmroot/corectrl'...
$ git fetch origin 8fc89cce724d5fd791064d956947365d81c708ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/corectrl
 * [new ref]         8fc89cce724d5fd791064d956947365d81c708ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8fc89cc packit: Update config