$ git clone -n https://src.fedoraproject.org/rpms/maven-invoker-plugin.git /var/lib/mock/f40-build-2264820-54573/root/chroot_tmpdir/scmroot/maven-invoker-plugin
Cloning into '/var/lib/mock/f40-build-2264820-54573/root/chroot_tmpdir/scmroot/maven-invoker-plugin'...
$ git fetch origin 8c7ac08b79c25490d7b85864ee3af28a9133701d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-invoker-plugin
 * [new ref]         8c7ac08b79c25490d7b85864ee3af28a9133701d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c7ac08 Remove build requires dependency org.apache.maven:maven-project