$ git clone -n https://src.fedoraproject.org/rpms/ghc-aeson-better-errors.git /var/lib/mock/f40-build-777195-129287/root/chroot_tmpdir/scmroot/ghc-aeson-better-errors
Cloning into '/var/lib/mock/f40-build-777195-129287/root/chroot_tmpdir/scmroot/ghc-aeson-better-errors'...
$ git fetch origin 8942cea7d191dad3f961917b33d9d3f55231b5e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-aeson-better-errors
 * [new ref]         8942cea7d191dad3f961917b33d9d3f55231b5e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8942cea Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild