$ git clone -n https://src.fedoraproject.org/rpms/kalarm.git /var/lib/mock/f39-build-1661619-40663/root/chroot_tmpdir/scmroot/kalarm
Cloning into '/var/lib/mock/f39-build-1661619-40663/root/chroot_tmpdir/scmroot/kalarm'...
$ git fetch origin 0ab2f7564bb37fe9cfeb7b6876fdc363f82ef533:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kalarm
 * [new ref]         0ab2f7564bb37fe9cfeb7b6876fdc363f82ef533 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ab2f75 23.08.2