$ git clone -n https://src.fedoraproject.org/rpms/c-graph.git /var/lib/mock/f40-build-1992489-43603/root/chroot_tmpdir/scmroot/c-graph
Cloning into '/var/lib/mock/f40-build-1992489-43603/root/chroot_tmpdir/scmroot/c-graph'...
$ git fetch origin a24c984fe7afb8f98a554e8b9b6846ab1a89c018:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/c-graph
 * [new ref]         a24c984fe7afb8f98a554e8b9b6846ab1a89c018 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a24c984 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild