Move LINT process in dedicated shell & fix

Move lint to dedicated shell permit to use it from your shell easily to check what is wrong
Also fix recent regressions in code style

1 files changed, 46 insertions, 0 deletions

diff --git a/util/travis/lint.sh b/util/travis/lint.sh
new file mode 100644
index 000000000..96026b247
--- /dev/null
+++ b/util/travis/lint.sh
@@ -0,0 +1,46 @@
+#! /bin/bash
+function perform_lint() {
+        echo "Performing LINT..."
+        CLANG_FORMAT=clang-format
+        CLANG_FORMAT_WHITELIST="util/travis/clang-format-whitelist.txt"
+
+        if [ "$TRAVIS_EVENT_TYPE" = "pull_request" ]; then
+                # Get list of every file modified in this pull request
+                files_to_lint="$(git diff --name-only --diff-filter=ACMRTUXB $TRAVIS_COMMIT_RANGE | grep '^src/[^.]*[.]\(cpp\|h\)$' | true)"
+        else
+                # Check everything for branch pushes
+                files_to_lint="$(find src/ -name '*.cpp' -or -name '*.h')"
+        fi
+
+        local errorcount=0
+        local fail=0
+        for f in ${files_to_lint}; do
+                d=$(diff -u "$f" <(${CLANG_FORMAT} "$f") || true)
+
+                if ! [ -z "$d" ]; then
+                        whitelisted=$(egrep -c "^${f}" "${CLANG_FORMAT_WHITELIST}")
+
+                        # If file is not whitelisted, mark a failure
+                        if [ ${whitelisted} -eq 0 ]; then
+                                errorcount=$((errorcount+1))
+
+                                printf "The file %s is not compliant with the coding style" "$f"
+                                if [ ${errorcount} -gt 50 ]; then
+                                        printf "\nToo many errors encountered previously, this diff is hidden.\n"
+                                else
+                                        printf ":\n%s\n" "$d"
+                                fi
+
+                                fail=1
+                        fi
+                fi
+        done
+
+        if [ "$fail" = 1 ]; then
+                echo "LINT reports failure."
+                exit 1
+        fi
+
+        echo "LINT OK"
+}
+