$ git clone -n https://src.fedoraproject.org/rpms/ghc-http-client.git /var/lib/mock/f40-build-2279688-55358/root/chroot_tmpdir/scmroot/ghc-http-client
Cloning into '/var/lib/mock/f40-build-2279688-55358/root/chroot_tmpdir/scmroot/ghc-http-client'...
$ git fetch origin 4f8dfc72852fbd61dec0cd1e9a550e186d4b656c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-http-client
 * [new ref]         4f8dfc72852fbd61dec0cd1e9a550e186d4b656c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f8dfc7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild