ci: add runtime version check (#555)

polkadot/scripts/gitlab/check_line_width.sh

@@ -0,0 +1,52 @@
+#!/bin/sh
+#
+# check if line width of rust source files is not beyond x characters
+#
+
+
+BASE_BRANCH="origin/master"
+LINE_WIDTH="121"
+GOOD_LINE_WIDTH="101"
+
+
+git diff --name-only ${BASE_BRANCH}...${CI_COMMIT_SHA} \*.rs | ( while read file
+do
+  if [ ! -f ${file} ];
+  then
+	echo "Skipping removed file."
+  elif git diff ${BASE_BRANCH}...${CI_COMMIT_SHA} ${file} | grep -q "^+.\{${LINE_WIDTH}\}"
+  then
+    if [ -z "${FAIL}" ]
+    then
+      echo "| warning!"
+      echo "| Lines should not be longer than 120 characters."
+      echo "| "
+      echo "| see more https://wiki.parity.io/Substrate-Style-Guide"
+      echo "|"
+      FAIL="true"
+    fi
+    echo "| file: ${file}"
+    git diff ${BASE_BRANCH}...${CI_COMMIT_SHA} ${file} \
+      | grep -n "^+.\{${LINE_WIDTH}\}"
+    echo "|"
+  else
+    if git diff ${BASE_BRANCH}...${CI_COMMIT_SHA} ${file} | grep -q "^+.\{${GOOD_LINE_WIDTH}\}"
+    then
+      if [ -z "${FAIL}" ]
+      then
+        echo "| warning!"
+        echo "| Lines should be longer than 100 characters only in exceptional circumstances!"
+        echo "| "
+        echo "| see more https://wiki.parity.io/Substrate-Style-Guide"
+        echo "|"
+      fi
+      echo "| file: ${file}"
+      git diff ${BASE_BRANCH}...${CI_COMMIT_SHA} ${file} \
+        | grep -n "^+.\{${LINE_WIDTH}\}"
+      echo "|"
+    fi
+  fi
+done
+
+test -z "${FAIL}"
+)