From ca1d3c141a070c326387e35c2472bad42679d491 Mon Sep 17 00:00:00 2001
From: JAremko <w3techplayground@gmail.com>
Date: Thu, 20 Apr 2017 06:00:04 +0300
Subject: [PATCH] Add spacefmt test to CI

---
 .travis-build.sh             | 53 ++++++++++++++++++++++++++++--------
 .travis.yml                  |  1 +
 core/tools/spacefmt/spacefmt | 35 +++++++++++++++++++++++-
 3 files changed, 76 insertions(+), 13 deletions(-)

diff --git a/.travis-build.sh b/.travis-build.sh
index bcf624db6..89f726409 100755
--- a/.travis-build.sh
+++ b/.travis-build.sh
@@ -17,6 +17,7 @@ if [ $USER != "travis" ]; then
     exit 1
 fi
 
+# Make sure that PR doesn't target master branch
 if  [ $TRAVIS_SECURE_ENV_VARS = false ] &&
         [ $TRAVIS_PULL_REQUEST != false ] &&
         [ $TRAVIS_BRANCH = "master" ]; then
@@ -28,22 +29,50 @@ if  [ $TRAVIS_SECURE_ENV_VARS = false ] &&
     echo   "https://github.com/syl20bnr/spacemacs/blob/develop/CONTRIBUTING.org"
     exit 1
 fi
-
-if [ "${FORMATTING}" = "space-test" ]; then
+# Formatting conventions tests
+if [ ! -z "$FORMATTING" ]; then
 	cd "${TRAVIS_BUILD_DIR}"
-	echo "Testing for trailing and all sorts of broken white spaces"
 	echo "TRAVIS_COMMIT_RANGE: ${TRAVIS_COMMIT_RANGE}"
 	first_commit=`echo ${TRAVIS_COMMIT_RANGE} | sed -r 's/\..*//'`
-	git reset -q "${first_commit}"
-	git diff --check --color > space_test_result
-	if [[ -s space_test_result ]]; then
-		cat space_test_result
-		exit 1
-	fi
-	echo "No bad spaces detected"
-	exit 0
+	git diff --name-only "${first_commit}" HEAD > /tmp/changed_files
+	case "${FORMATTING}" in
+		space-test)
+			echo "Testing for trailing and all sorts of broken white spaces"
+			git reset -q "${first_commit}"
+			git diff --check --color > space_test_result
+			if [[ -s space_test_result ]]; then
+				cat space_test_result
+				exit 1
+			fi
+			echo "No bad spaces detected"
+			exit 0
+		;;
+		spacefmt)
+			echo "Testing changed files with spacefmt"
+			rm -rf ~/.emacs.d
+			ln -sf `pwd` ~/.emacs.d
+			cp ~/.emacs.d/core/templates/.spacemacs.template ~/
+			mv ~/.spacemacs.template ~/.spacemacs
+			while read p
+			do
+				echo "Checking $p file"
+				./core/tools/spacefmt/spacefmt -f "$p"
+				if [ $? -ne 0 ]; then
+					echo "spacefmt exited with $?"
+					exit 2
+				fi
+			done </tmp/changed_files
+			git diff --color HEAD > spacefmt_result
+			if [[ -s spacefmt_result ]]; then
+				echo "Please apply these changes:"
+				cat spacefmt_result
+				exit 1
+			fi
+			echo "All changed files comply with spacefmt"
+			exit 0
+		;;
+	esac
 fi
-
 # Emacs tests
 
 echo "Pwd $(pwd)"
diff --git a/.travis.yml b/.travis.yml
index 43e0dec1b..a5829ae97 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,6 +20,7 @@ env:
  - TESTS=doc EVM_EMACS=emacs-25.1-travis
  - TESTS=doc EVM_EMACS=emacs-git-snapshot-travis
  - FORMATTING=space-test
+ - FORMATTING=spacefmt EVM_EMACS=emacs-25.1-travis
 
 matrix:
   fast_finish: true
diff --git a/core/tools/spacefmt/spacefmt b/core/tools/spacefmt/spacefmt
index 2641779ac..027bb2514 100755
--- a/core/tools/spacefmt/spacefmt
+++ b/core/tools/spacefmt/spacefmt
@@ -6,10 +6,11 @@
 # Authors: Eugene Yaremenko and Sylvain Benner
 #
 # Arguments:
-# $1: action name can be `all`, `doc`, `config`
+# $1: action name can be `all`, `doc`, `config` `-f`
 #     `doc` formats documentation files
 #     `config` format configuration files
 #     `all` performs all actions
+#     `-f <FILEPATH>` process FILEPATH file
 # $2: if equal to `test` then use test files as input
 
 # TODO a function to add headers to config.el, packages.el etc...
@@ -37,6 +38,38 @@ if hash md5 2>/dev/null; then
     mdfive="md5"
 fi
 
+if [[ $1 = "-f" ]]
+then
+	before_md5="foo"
+	after_md5="bar"
+	while ! [ "$before_md5" = "$after_md5" ]
+	do
+		before_md5=$($mdfive "$2")
+		if [ ${2: -4} == ".org" ]
+		then
+			# Remove trailing delimiters in headlines
+			$seder -i 's/^\(*\+\s\+.*\)[;,.]$/\1/g' "$2"
+			# Remove trailing spaces
+			$seder -i 's/[ \t]*$//' "$2"
+			# Remove #+HTML_HEAD_EXTRA: ... readtheorg.css" />
+			$seder -i '/#+HTML_HEAD_EXTRA.*readtheorg.css.*/d' "$2"
+			# Replace multiply empty lines with a single empty line
+			$seder -i '/^$/N;/^\n$/D' "$2"
+			# Replace :TOC_4_org: with :TOC_4_gh:
+			$seder -i 's/:TOC_4_org:/:TOC_4_gh:/' "$2"
+			# apply toc-org
+			emacs -batch -l ./core/tools/spacefmt/spacefmt.el "$2" -f apply-all
+		fi
+		if [ ${2: -3} == ".el" ]
+		then
+			# migrate packages lists to config.el
+			emacs -batch -l ./core/tools/spacefmt/spacefmt.el "$2" -f move-packages-to-config
+		fi
+		# Calculate md5 of the files in $place after formating
+		after_md5=$($mdfive "$2")
+	done
+	exit 0
+fi
 
 if [[ $2 = "test" ]]
 then