Simplify linting

.travis.yml

@@ -24,7 +24,7 @@ jobs:
       language: go
       go: '1.13'
       before_script: GO111MODULE=on go install mvdan.cc/sh/v3/cmd/shfmt
-      script: shfmt -d -s -ln posix -i 0 -ci -kp install-php-extensions scripts/common scripts/lint scripts/travisci-test-extensions scripts/travisci-update-readme scripts/update-readme
+      script: ./scripts/invoke-shfmt check
 
     - <<: *test-extensions-job-template
       name: Test extensions on Alpine 3.7

scripts/invoke-shfmt

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+set -o errexit
+set -o nounset
+
+PARAMS='-s -ln posix -i 0 -ci -kp'
+
+case "${1:-}" in
+	check)
+		PARAMS="$PARAMS -d"
+		;;
+	fix)
+		PARAMS="$PARAMS -w"
+		;;
+	*)
+		fprintf 'Syntax: %s <check|fix>' "$0" >&2
+		exit 1
+		;;
+esac
+
+shfmt $PARAMS \
+	install-php-extensions \
+	scripts/common \
+	scripts/invoke-shfmt \
+	scripts/lint \
+	scripts/travisci-test-extensions \
+	scripts/travisci-update-readme \
+	scripts/update-readme

scripts/lint

@@ -8,23 +8,14 @@ if ! docker --version >/dev/null 2>/dev/null; then
 	exit 1
 fi
 
-#SRC_DIR="$(CDPATH= cd -- "$(dirname -- "$0")" && cd .. pwd)"
+SRC_DIR="$(CDPATH= cd -- "$(dirname -- "$0")" && cd .. pwd)"
 
 if ! docker build -t docker-php-extension-installer-shfmt:latest -f scripts/Dockerfile-shfmt -q .; then
 	printf 'ERROR!' >&2
 	exit 1
 fi
 
-fix() {
-	printf 'Fixing %s... ' "$1"
-	if docker run --rm -v "$SRC_DIR:/src" -w /src docker-php-extension-installer-shfmt:latest shfmt -s -ln posix -i 0 -ci -kp -w "$1"; then
-		printf 'done.\n'
-	fi
-}
-
-fix install-php-extensions
-fix scripts/common
-fix scripts/lint
-fix scripts/travisci-test-extensions
-fix scripts/travisci-update-readme
-fix scripts/update-readme
+if ! docker run --rm -v "$SRC_DIR:/src" -w /src docker-php-extension-installer-shfmt:latest ./scripts/invoke-shfmt fix; then
+	printf 'ERROR!' >&2
+	exit 1
+fi

scripts/lint.bat

@@ -11,12 +11,8 @@ set SRC_DIR=%CD%
 docker build -t docker-php-extension-installer-shfmt:latest -f scripts\Dockerfile-shfmt -q .
 if errorlevel 1 goto :err
 
-call :fix install-php-extensions
-call :fix scripts/common
-call :fix scripts/lint
-call :fix scripts/travisci-test-extensions
-call :fix scripts/travisci-update-readme
-call :fix scripts/update-readme
+docker run --rm -v "%SRC_DIR%:/src" -w /src docker-php-extension-installer-shfmt:latest ./scripts/invoke-shfmt fix
+if errorlevel 1 goto :err
 goto :eof
 
 :no-docker
@@ -26,9 +22,3 @@ goto :eof
 :err
 echo ERROR! >&2
 goto :eof
-
-:fix
-echo|set /p="Fixing %1... "
-docker run --rm -v "%SRC_DIR%:/src" -w /src docker-php-extension-installer-shfmt:latest shfmt -s -ln posix -i 0 -ci -kp -w %1
-if not errorlevel 1 echo done.
-exit /b 0