$ git clone -n https://src.fedoraproject.org/rpms/crawl.git /var/lib/mock/f40-build-2284066-55616/root/chroot_tmpdir/scmroot/crawl
Cloning into '/var/lib/mock/f40-build-2284066-55616/root/chroot_tmpdir/scmroot/crawl'...
$ git fetch origin 3e1db714347aa7f58eae0cca13b80488bf25a468:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/crawl
 * [new ref]         3e1db714347aa7f58eae0cca13b80488bf25a468 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e1db71 Release 0.30.2