hack ci to run as a shard to measure the time

ci/lint.sh

@@ -41,6 +41,10 @@ if [ ! -f "$COMPILE_COMMANDS" ]; then
   (cd "$SRC_DIR"; ./flutter/tools/gn)
 fi
 
+
+cd $SRC_DIR
+flutter/tools/gn --ios
+
 echo "$(date +%T) Running clang_tidy"
 
 cd "$SCRIPT_DIR"
@@ -49,6 +53,8 @@ cd "$SCRIPT_DIR"
   "$SRC_DIR/flutter/tools/clang_tidy/bin/main.dart" \
   --src-dir="$SRC_DIR" \
   --mac-host-warnings-as-errors="$MAC_HOST_WARNINGS_AS_ERRORS" \
+  --shard-variants="ios_debug"
+  --shard-id 0
   "$@"
 
 echo "$(date +%T) Running pylint"