$ git clone -n https://src.fedoraproject.org/rpms/kwrited.git /var/lib/mock/f41-build-825210-154319/root/chroot_tmpdir/scmroot/kwrited
Cloning into '/var/lib/mock/f41-build-825210-154319/root/chroot_tmpdir/scmroot/kwrited'...
$ git fetch origin 73a5054b4a56f6435e78a91ef22dbdcd4b2da05d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwrited
 * [new ref]         73a5054b4a56f6435e78a91ef22dbdcd4b2da05d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73a5054 rebuild