$ git clone -n https://src.fedoraproject.org/rpms/kwrited.git /var/lib/mock/f42-build-side-1-3513052-46072/root/chroot_tmpdir/scmroot/kwrited
Cloning into '/var/lib/mock/f42-build-side-1-3513052-46072/root/chroot_tmpdir/scmroot/kwrited'...
$ git fetch origin 4664ab1b0d4edb4aba546ee9c5da0b5ef5d2d129:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwrited
 * [new ref]         4664ab1b0d4edb4aba546ee9c5da0b5ef5d2d129 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4664ab1 6.3.4