$ git clone -n https://src.fedoraproject.org/rpms/source-highlight.git /var/lib/mock/f40-build-777854-129589/root/chroot_tmpdir/scmroot/source-highlight
Cloning into '/var/lib/mock/f40-build-777854-129589/root/chroot_tmpdir/scmroot/source-highlight'...
$ git fetch origin f9e5d87e998ff3c61cb9eb9f77e8084aa6467d81:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/source-highlight
 * [new ref]         f9e5d87e998ff3c61cb9eb9f77e8084aa6467d81 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9e5d87 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild