$ git clone -n https://src.fedoraproject.org/rpms/powerpc-utils.git /var/lib/mock/f40-build-792975-138692/root/chroot_tmpdir/scmroot/powerpc-utils
Cloning into '/var/lib/mock/f40-build-792975-138692/root/chroot_tmpdir/scmroot/powerpc-utils'...
$ git fetch origin 9cf154a653cdd86768b61f610689415ef3b98d0a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/powerpc-utils
 * [new ref]         9cf154a653cdd86768b61f610689415ef3b98d0a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9cf154a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild