$ git clone -n https://src.fedoraproject.org/rpms/ghc-unix-compat.git /var/lib/mock/f40-build-2280034-55375/root/chroot_tmpdir/scmroot/ghc-unix-compat
Cloning into '/var/lib/mock/f40-build-2280034-55375/root/chroot_tmpdir/scmroot/ghc-unix-compat'...
$ git fetch origin 6c4e96e659b15d52bed29f193a0aa46ab8cbf027:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-unix-compat
 * [new ref]         6c4e96e659b15d52bed29f193a0aa46ab8cbf027 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c4e96e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild