$ git clone -n https://src.fedoraproject.org/rpms/maven-filtering.git /var/lib/mock/f40-build-2588299-62541/root/chroot_tmpdir/scmroot/maven-filtering
Cloning into '/var/lib/mock/f40-build-2588299-62541/root/chroot_tmpdir/scmroot/maven-filtering'...
$ git fetch origin b479866730b73a218a47534f8c530e52e9e895bf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-filtering
 * [new ref]         b479866730b73a218a47534f8c530e52e9e895bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b479866 Rebuilt for java-21-openjdk as system jdk