$ git clone -n https://src.fedoraproject.org/rpms/powermanga.git /var/lib/mock/f40-build-791820-137740/root/chroot_tmpdir/scmroot/powermanga
Cloning into '/var/lib/mock/f40-build-791820-137740/root/chroot_tmpdir/scmroot/powermanga'...
$ git fetch origin d7f9daa5f0fd33ce914ec2561b5b6269573c1b2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/powermanga
 * [new ref]         d7f9daa5f0fd33ce914ec2561b5b6269573c1b2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d7f9daa Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild