$ git clone -n https://src.fedoraproject.org/rpms/maven-plugin-testing.git /var/lib/mock/f40-build-2490563-61656/root/chroot_tmpdir/scmroot/maven-plugin-testing
Cloning into '/var/lib/mock/f40-build-2490563-61656/root/chroot_tmpdir/scmroot/maven-plugin-testing'...
$ git fetch origin 5e2ed3fb7d97533b68086ba8e46a4e41b096c445:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-plugin-testing
 * [new ref]         5e2ed3fb7d97533b68086ba8e46a4e41b096c445 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e2ed3f Rebuilt for java-21-openjdk as system jdk