$ git clone -n https://src.fedoraproject.org/rpms/ghc-auto-update.git /var/lib/mock/f40-build-2440182-60977/root/chroot_tmpdir/scmroot/ghc-auto-update
Cloning into '/var/lib/mock/f40-build-2440182-60977/root/chroot_tmpdir/scmroot/ghc-auto-update'...
$ git fetch origin 8132cd8f8a22a0ba03939d79679623cd4c2d627c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-auto-update
 * [new ref]         8132cd8f8a22a0ba03939d79679623cd4c2d627c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8132cd8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild