$ git clone -n https://src.fedoraproject.org/rpms/jackson-annotations.git /var/lib/mock/f38-build-side-42-init-devel-599510-26164/root/chroot_tmpdir/scmroot/jackson-annotations
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-599510-26164/root/chroot_tmpdir/scmroot/jackson-annotations'...
$ git fetch origin cb45930064b9e4176f43d71471b3d53b9ecb2810:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jackson-annotations
 * [new ref]         cb45930064b9e4176f43d71471b3d53b9ecb2810 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb45930 Update to version 2.14.2