$ git clone -n https://src.fedoraproject.org/rpms/maven-shade-plugin.git /var/lib/mock/f41-build-772583-13506/root/chroot_tmpdir/scmroot/maven-shade-plugin
Cloning into '/var/lib/mock/f41-build-772583-13506/root/chroot_tmpdir/scmroot/maven-shade-plugin'...
$ git fetch origin 434bb3e6b45f0c887de8657900b5fdfce51bcfda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-shade-plugin
 * [new ref]         434bb3e6b45f0c887de8657900b5fdfce51bcfda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 434bb3e Bump to 3.6.0