$ git clone -n https://src.fedoraproject.org/rpms/libcyaml.git /var/lib/mock/f40-build-785884-134131/root/chroot_tmpdir/scmroot/libcyaml
Cloning into '/var/lib/mock/f40-build-785884-134131/root/chroot_tmpdir/scmroot/libcyaml'...
$ git fetch origin 0db5d5172e78c07d91372e988b9ce5cee9780dee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libcyaml
 * [new ref]         0db5d5172e78c07d91372e988b9ce5cee9780dee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0db5d51 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild