$ git clone -n https://src.fedoraproject.org/rpms/ghc-microlens.git /var/lib/mock/f40-build-776071-128585/root/chroot_tmpdir/scmroot/ghc-microlens
Cloning into '/var/lib/mock/f40-build-776071-128585/root/chroot_tmpdir/scmroot/ghc-microlens'...
$ git fetch origin e1b193e5d13f6cdb6a33186e8d7fb6c1a8d65369:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-microlens
 * [new ref]         e1b193e5d13f6cdb6a33186e8d7fb6c1a8d65369 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1b193e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild