$ git clone -n https://src.fedoraproject.org/rpms/ghc-string-conversions.git /var/lib/mock/f40-build-776574-128929/root/chroot_tmpdir/scmroot/ghc-string-conversions
Cloning into '/var/lib/mock/f40-build-776574-128929/root/chroot_tmpdir/scmroot/ghc-string-conversions'...
$ git fetch origin 3d17562c2cf81e522b681d1c106e4a9fb8baad2f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-string-conversions
 * [new ref]         3d17562c2cf81e522b681d1c106e4a9fb8baad2f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d17562 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild