$ git clone -n https://src.fedoraproject.org/rpms/kwrited.git /var/lib/mock/f42-build-3426816-45197/root/chroot_tmpdir/scmroot/kwrited
Cloning into '/var/lib/mock/f42-build-3426816-45197/root/chroot_tmpdir/scmroot/kwrited'...
$ git fetch origin f00e305c074399f51166d04a47c670d81f7a6fdd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwrited
 * [new ref]         f00e305c074399f51166d04a47c670d81f7a6fdd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f00e305 6.3.3