$ git clone -n https://src.fedoraproject.org/rpms/build-helper-maven-plugin.git /var/lib/mock/f41-build-1232302-22865/root/chroot_tmpdir/scmroot/build-helper-maven-plugin
Cloning into '/var/lib/mock/f41-build-1232302-22865/root/chroot_tmpdir/scmroot/build-helper-maven-plugin'...
$ git fetch origin 4d830a2b96ee02c2bf53c98f284220499fc64c8f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/build-helper-maven-plugin
 * [new ref]         4d830a2b96ee02c2bf53c98f284220499fc64c8f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d830a2 bump of release for for java-21-openjdk as system jdk