$ git clone -n https://src.fedoraproject.org/rpms/ghc-yaml.git /var/lib/mock/f40-build-777197-129287/root/chroot_tmpdir/scmroot/ghc-yaml
Cloning into '/var/lib/mock/f40-build-777197-129287/root/chroot_tmpdir/scmroot/ghc-yaml'...
$ git fetch origin 8238bfefcbe03401a30af8585667355afe6ba09f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-yaml
 * [new ref]         8238bfefcbe03401a30af8585667355afe6ba09f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8238bfe Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild