$ git clone -n https://src.fedoraproject.org/rpms/ghc-connection.git /var/lib/mock/f40-build-2286093-55702/root/chroot_tmpdir/scmroot/ghc-connection
Cloning into '/var/lib/mock/f40-build-2286093-55702/root/chroot_tmpdir/scmroot/ghc-connection'...
$ git fetch origin 90ffe5cba342f412eff79062a5fcaf14db58d0c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-connection
 * [new ref]         90ffe5cba342f412eff79062a5fcaf14db58d0c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90ffe5c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild