$ git clone -n https://src.fedoraproject.org/rpms/ghc-zlib.git /var/lib/mock/f40-build-776908-129121/root/chroot_tmpdir/scmroot/ghc-zlib
Cloning into '/var/lib/mock/f40-build-776908-129121/root/chroot_tmpdir/scmroot/ghc-zlib'...
$ git fetch origin 7c1a0a60781c5cf0ea0c351dbad27e97e9d59a39:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-zlib
 * [new ref]         7c1a0a60781c5cf0ea0c351dbad27e97e9d59a39 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c1a0a6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild