format-objc-swift-hook

#!/bin/bash

DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
SC_DIR="/Pods/SpaceCommander"
SWIFT_LINT_DIR="/Pods/SwiftLint/swiftlint"

SWIFTLINT="${DIR/$SC_DIR/$SWIFT_LINT_DIR}"
REPO_PATH="${DIR%$SC_DIR}"

IFS=$'\n'
export CDPATH=""
DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
source "$DIR"/lib/common-lib.sh

SWIFT_LINT_PASSED="true"
OBJC_LINT_PASSED="true"
success=0

#Final function call to print out last comment
function complete_linting() {
	if [ "$SWIFT_LINT_PASSED" == "true" ] && [ "$OBJC_LINT_PASSED" == "true" ] ; then
		printf "✅  \e[32mSwiftLint & SpaceCommander finished. All files passed!\e[39m 👍\n"
	elif [ "$OBJC_LINT_PASSED" == "true" ]; then
		printf "\nCOMMIT ABORTED. Please fix them before commiting, or try the autocorrect script by running:\n \n$DIR/format-swift-files.sh && git add .\n\n"
		printf  "🙅‍  There were Swift formatting issues with this commit, run the👆 above👆 command to fix.💔 Commit anyway and skip this check by running git commit --no-verify\n"
	elif [ "$SWIFT_LINT_PASSED" == "true" ]; then
		printf  "\nCOMMIT ABORTED  Format and stage all affected files:\n \n\"$DIR\"/format-objc-files.sh -s\n\n"
		printf  "🔴  There were Objective-C formatting issues with this commit, run the👆 above👆 command to fix.💔 Commit anyway and skip this check by running git commit --no-verify\n"
	else 
		printf "\nCOMMIT ABORTED. Please fix them before commiting, or try the autocorrect script by running:\n \n$DIR/format-swift-files.sh && \"$DIR\"/format-objc-files.sh -s && git add .\n\n"
		printf  "🔴  🙅‍  There were Objective-C and Swift formatting issues with this commit, run the👆 above👆 command to fix.💔 Commit anyway and skip this check by running git commit --no-verify\n"
	fi
}

function format_swift() { 
	for file in $(git diff --cached --name-only $1 --diff-filter=ACMR); do 
		local filename="${REPO_PATH}/$file"

		if [[ "${filename##*.}" == "swift" ]]; then
			RESULT=""
			if [[ "$filename" == *"/Unit-Tests/"* ]]; then
				RESULT=$($SWIFTLINT lint --quiet --path $filename --config .swiftlint-unit-tests.yml)
			else 
				RESULT=$($SWIFTLINT lint --quiet --path $filename --config .swiftlint.yml)
			fi
			
			if [ "$RESULT" == '' ]; then
				printf "$filename passed linting\n"
			else 

				if [ "$SWIFT_LINT_PASSED" == "true" ]; then
					printf "\e[31m🚸  Swift formatting errors!\e[39m Please check below:\n"
				fi

				SWIFT_LINT_PASSED="false"
				success=1
				printf "$filename failed linting"

				while read -r line; do
					FILEPATH=$(echo $line | cut -d : -f 1)
					L=$(echo $line | cut -d : -f 2)
					C=$(echo $line | cut -d : -f 3)
					TYPE=$(echo $line | cut -d : -f 4 | cut -c 2-)
					MESSAGE=$(echo $line | cut -d : -f 5 | cut -c 2-)
					DESCRIPTION=$(echo $line | cut -d : -f 6 | cut -c 2-)
					if [ "$TYPE" == 'error' ]; then
						printf "\n  \e[31m$TYPE\e[39m\n"
					else
						printf "\n  \e[33m$TYPE\e[39m\n"
					fi
					printf "    \e[90m$FILEPATH:$L:$C\e[39m\n"
					printf "    $MESSAGE - $DESCRIPTION\n"
				done <<< "$RESULT"
			fi
		fi
	done
	return $success
}

function cached_objc_files_to_format() {
	directories_to_check
	files=$(git diff --name-only --cached --diff-filter=ACMR -- $locations_to_diff ':!*-Swift.h' | grep -e '\.m$' -e '\.mm$' -e '\.h$' -e '\.hh$')

	directories_to_ignore
	echo "$files" | grep -v 'Pods/' | grep -v 'Carthage/' >&1
}

function format_objc() {
  objc_files=$(cached_objc_files_to_format)
  for file in $objc_files; do
    difference=$("$DIR"/format-objc-file-dry-run.sh "$file" | diff "$file" - | wc -l)
	
    if [ $difference -gt 0 ]; then
        if [ $success -eq 0 ]; then
        	printf "\e[31m🚸  Objective-C formatting errors!\e[39m Format and stage individual files:\n"
        fi
    	# This is what the dev can run to fixup an individual file
    	echo "\"$DIR\"/format-objc-file.sh '$file' && git add '$file';"
    	success=1
    fi
  done
  if [ $success -gt 0 ]; then
    OBJC_LINT_PASSED="false"
  fi
}

format_objc;
if [ -e $SWIFTLINT ]; then 
	format_swift;
fi
complete_linting;

exit $success