$ git clone -n https://src.fedoraproject.org/rpms/maven-bundle-plugin.git /var/lib/mock/f40-build-2243746-53698/root/chroot_tmpdir/scmroot/maven-bundle-plugin
Cloning into '/var/lib/mock/f40-build-2243746-53698/root/chroot_tmpdir/scmroot/maven-bundle-plugin'...
$ git fetch origin e4add2e0d996f7c3f1d5616d282564eb6ee3462c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-bundle-plugin
 * [new ref]         e4add2e0d996f7c3f1d5616d282564eb6ee3462c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4add2e Update javapackages test plan to f40