$ git clone -n https://src.fedoraproject.org/rpms/maven-archiver.git /var/lib/mock/f40-build-2606120-63539/root/chroot_tmpdir/scmroot/maven-archiver
Cloning into '/var/lib/mock/f40-build-2606120-63539/root/chroot_tmpdir/scmroot/maven-archiver'...
$ git fetch origin 6065ff8d6c1bf484c4672b5f140b0206847fd57c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-archiver
 * [new ref]         6065ff8d6c1bf484c4672b5f140b0206847fd57c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6065ff8 Rebuilt for java-21-openjdk as system jdk