$ git clone -n https://src.fedoraproject.org/rpms/ghc-cmark-gfm.git /var/lib/mock/f40-build-776776-129081/root/chroot_tmpdir/scmroot/ghc-cmark-gfm
Cloning into '/var/lib/mock/f40-build-776776-129081/root/chroot_tmpdir/scmroot/ghc-cmark-gfm'...
$ git fetch origin e4a008f91d605687e4eade8bbd5c0d0ae3e74ea6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-cmark-gfm
 * [new ref]         e4a008f91d605687e4eade8bbd5c0d0ae3e74ea6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4a008f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild