$ git clone -n https://src.fedoraproject.org/rpms/rust-yrs.git /var/lib/mock/f40-build-2492857-61664/root/chroot_tmpdir/scmroot/rust-yrs
Cloning into '/var/lib/mock/f40-build-2492857-61664/root/chroot_tmpdir/scmroot/rust-yrs'...
$ git fetch origin 7d363bdd0a89f7cf1ae61d7b8c8362ad0e161914:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-yrs
 * [new ref]         7d363bdd0a89f7cf1ae61d7b8c8362ad0e161914 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d363bd Orphaned for 6+ weeks