$ git clone -n https://src.fedoraproject.org/rpms/rust-imago.git /var/lib/mock/f45-build-42533-794/root/chroot_tmpdir/scmroot/rust-imago
Cloning into '/var/lib/mock/f45-build-42533-794/root/chroot_tmpdir/scmroot/rust-imago'...
$ git fetch origin 60572c162737a6ce0ac2b86f1fcaab9d8cfe7d95:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-imago
 * [new ref]         60572c162737a6ce0ac2b86f1fcaab9d8cfe7d95 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60572c1 Update to version 0.2.4