$ git clone -n https://src.fedoraproject.org/rpms/libcgroup.git /var/lib/mock/f40-build-2293683-56214/root/chroot_tmpdir/scmroot/libcgroup
Cloning into '/var/lib/mock/f40-build-2293683-56214/root/chroot_tmpdir/scmroot/libcgroup'...
$ git fetch origin a13abc8efba84fb2ae801bc8f53d3ac056a66919:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libcgroup
 * [new ref]         a13abc8efba84fb2ae801bc8f53d3ac056a66919 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a13abc8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild