$ git clone -n https://src.fedoraproject.org/rpms/ghc-tasty-kat.git /var/lib/mock/f40-build-776758-129081/root/chroot_tmpdir/scmroot/ghc-tasty-kat
Cloning into '/var/lib/mock/f40-build-776758-129081/root/chroot_tmpdir/scmroot/ghc-tasty-kat'...
$ git fetch origin a79b2999cdf8ecfa28a9978c00f85ce601b8dd2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-tasty-kat
 * [new ref]         a79b2999cdf8ecfa28a9978c00f85ce601b8dd2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a79b299 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild