$ git clone -n https://src.fedoraproject.org/rpms/ghc-extensible-exceptions.git /var/lib/mock/f40-build-776042-128585/root/chroot_tmpdir/scmroot/ghc-extensible-exceptions
Cloning into '/var/lib/mock/f40-build-776042-128585/root/chroot_tmpdir/scmroot/ghc-extensible-exceptions'...
$ git fetch origin be3be027247e2611b16a4a1067230cd03fa167de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-extensible-exceptions
 * [new ref]         be3be027247e2611b16a4a1067230cd03fa167de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be3be02 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild