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

src/script/lua_api/l_client.cpp

@@ -19,6 +19,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "l_client.h"
+#include "clientenvironment.h"
 #include "common/c_content.h"
 #include "common/c_converter.h"
 #include "cpp_api/s_base.h"
@@ -27,9 +28,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "lua_api/l_item.h"
 #include "lua_api/l_nodemeta.h"
 #include "mainmenumanager.h"
-#include "util/string.h"
-#include "clientenvironment.h"
 #include "map.h"
+#include "util/string.h"
 
 extern MainGameCallback *g_gamecallback;
 
@@ -200,7 +200,7 @@ int ModApiClient::l_sound_play(lua_State *L)
 
 	SimpleSoundSpec spec;
 	read_soundspec(L, 1, spec);
-	float gain = 1.0 ;
+	float gain = 1.0;
 	bool looped = false;
 	s32 handle;
 
@@ -212,7 +212,8 @@ int ModApiClient::l_sound_play(lua_State *L)
 		if (!lua_isnil(L, -1)) {
 			v3f pos = read_v3f(L, -1) * BS;
 			lua_pop(L, 1);
-			handle = sound->playSoundAt(spec.name, looped, gain * spec.gain, pos);
+			handle =
+			    sound->playSoundAt(spec.name, looped, gain * spec.gain, pos);
 			lua_pushinteger(L, handle);
 			return 1;
 		}

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"
+}
+

util/travis/script.sh

@@ -1,53 +1,9 @@
 #!/bin/bash -e
 . util/travis/common.sh
+. util/travis/lint.sh
 
 needs_compile || exit 0
 
-function perform_lint() {
-	echo "Performing LINT..."
-	CLANG_FORMAT=clang-format-3.9
-	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 [ "$fail" = 1 ]; then
-		echo "LINT reports failure."
-		exit 1
-	fi
-
-	echo "LINT OK"
-}
-
 if [[ "$LINT" == "1" ]]; then
 	# Lint with exit CI
 	perform_lint