$ git clone -n https://src.fedoraproject.org/rpms/maven-clean-plugin.git /var/lib/mock/f40-build-2725859-73120/root/chroot_tmpdir/scmroot/maven-clean-plugin
Cloning into '/var/lib/mock/f40-build-2725859-73120/root/chroot_tmpdir/scmroot/maven-clean-plugin'...
$ git fetch origin bef07550c117a4921e5f625de7957b08c9eb0a13:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-clean-plugin
 * [new ref]         bef07550c117a4921e5f625de7957b08c9eb0a13 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bef0755 Rebuilt for java-21-openjdk as system jdk