From 48ce9c9b307ef340d21ecf00d623ac69cb841e09 Mon Sep 17 00:00:00 2001
From: Loïc Blot <loic.blot@unix-experience.fr>
Date: Thu, 6 Apr 2017 10:01:09 +0200
Subject: Fix clang-format binary selection

Also fix spaces to tabs
---
 util/travis/lint.sh | 88 ++++++++++++++++++++++++++++-------------------------
 1 file changed, 46 insertions(+), 42 deletions(-)

diff --git a/util/travis/lint.sh b/util/travis/lint.sh
index 96026b247..c1df2d5fa 100644
--- a/util/travis/lint.sh
+++ b/util/travis/lint.sh
@@ -1,46 +1,50 @@
 #! /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 [ "$fail" = 1 ]; then
-                echo "LINT reports failure."
-                exit 1
-        fi
-
-        echo "LINT OK"
+	echo "Performing LINT..."
+	if hash clang-format-3.9 2>/dev/null; then
+		CLANG_FORMAT=clang-format-3.9
+	else
+		CLANG_FORMAT=clang-format
+	fi
+	CLANG_FORMAT_WHITELIST="util/travis/clang-format-whitelist.txt"
+
+	if [ "$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"
 }
 
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