$ git clone -n https://src.fedoraproject.org/rpms/dwz.git /var/lib/mock/f41-build-857016-167956/root/chroot_tmpdir/scmroot/dwz
Cloning into '/var/lib/mock/f41-build-857016-167956/root/chroot_tmpdir/scmroot/dwz'...
$ git fetch origin 7c5218e6cdc4299209f5e125db5fcca95abd0f5e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dwz
 * [new ref]         7c5218e6cdc4299209f5e125db5fcca95abd0f5e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c5218e 0.15-8 Add dwz-0.15-index9.patch