$ git clone -n https://src.fedoraproject.org/rpms/ghc-utf8-string.git /var/lib/mock/f40-build-776485-128863/root/chroot_tmpdir/scmroot/ghc-utf8-string
Cloning into '/var/lib/mock/f40-build-776485-128863/root/chroot_tmpdir/scmroot/ghc-utf8-string'...
$ git fetch origin 7d044aa3ac2649b4f63b7cddb7cb6568a27a86c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-utf8-string
 * [new ref]         7d044aa3ac2649b4f63b7cddb7cb6568a27a86c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d044aa Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild