$ git clone -n https://src.fedoraproject.org/rpms/xbacklight.git /var/lib/mock/f40-build-763375-122473/root/chroot_tmpdir/scmroot/xbacklight
Cloning into '/var/lib/mock/f40-build-763375-122473/root/chroot_tmpdir/scmroot/xbacklight'...
$ git fetch origin a51e808a8fcd983badc419c723796e76648610fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xbacklight
 * [new ref]         a51e808a8fcd983badc419c723796e76648610fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a51e808 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild