$ git clone -n https://src.fedoraproject.org/rpms/ghc9.6.git /var/lib/mock/f39-build-1918865-42936/root/chroot_tmpdir/scmroot/ghc9.6
Cloning into '/var/lib/mock/f39-build-1918865-42936/root/chroot_tmpdir/scmroot/ghc9.6'...
$ git fetch origin 7555ecc7bab01c500f4eb5b14a1ca071804d25a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc9.6
 * [new ref]         7555ecc7bab01c500f4eb5b14a1ca071804d25a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7555ecc update to 9.6.3