$ git clone -n https://src.fedoraproject.org/rpms/abrt.git /var/lib/mock/f38-build-side-42-init-devel-865447-28433/root/chroot_tmpdir/scmroot/abrt
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-865447-28433/root/chroot_tmpdir/scmroot/abrt'...
$ git fetch origin e65ab2c3e6f5b68c125b4d7d544ce98b25f359d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/abrt
 * [new ref]         e65ab2c3e6f5b68c125b4d7d544ce98b25f359d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e65ab2c Update to upstream release 2.16.1