$ git clone -n https://src.fedoraproject.org/rpms/maven-resolver.git /var/lib/mock/f42-build-3419604-45162/root/chroot_tmpdir/scmroot/maven-resolver
Cloning into '/var/lib/mock/f42-build-3419604-45162/root/chroot_tmpdir/scmroot/maven-resolver'...
$ git fetch origin 9f25770f5e3bf19b5668da0407795d52cc15edcd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-resolver
 * [new ref]         9f25770f5e3bf19b5668da0407795d52cc15edcd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f25770 Fix javadoc obsoletes version