From 2381c52c690342f773a7cfa500387b6bfad76952 Mon Sep 17 00:00:00 2001
From: Laria Carolin Chabowski <laria@laria.me>
Date: Thu, 30 Apr 2020 09:38:05 +0200
Subject: Automatic code formatting

Also add git hooks that checks formatting
---
 git-hooks/hooks/pre-commit | 52 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100755 git-hooks/hooks/pre-commit

(limited to 'git-hooks/hooks')

diff --git a/git-hooks/hooks/pre-commit b/git-hooks/hooks/pre-commit
new file mode 100755
index 0000000..5666e93
--- /dev/null
+++ b/git-hooks/hooks/pre-commit
@@ -0,0 +1,52 @@
+#!/bin/sh
+
+set -e
+
+gitdir="$(git rev-parse --git-dir)"
+
+changed_files() {
+    git diff --name-status --cached HEAD | tr '\011' '\012' | awk '
+        /^[ADMTUXB]/ { n = 1; next }
+        /^[CR]/ { n = 2; next }
+        n > 0 {
+            print $0
+            n--
+        }
+    '
+}
+
+staged_file_hash() {
+    git ls-files -s "$1" | cut -d' ' -f2
+}
+
+lint_php() {
+    php -l >/dev/null
+}
+
+lint_php_cs_fixer() {
+    php-cs-fixer fix --config="$gitdir/../.php_cs.dist" -v --dry-run --using-cache=no --show-progress=none - >&2
+}
+
+lint_changes() {
+    linter_name="$1"
+    grep_pattern="$2"
+    linter_func="$3"
+
+    failcount="$(changed_files | grep "$grep_pattern" | while read -r f; do
+        hash="$(staged_file_hash "$f")"
+        if [ -n "$hash" ]; then
+            if ! git cat-file blob "$hash" | "$linter_func"; then
+                echo >&2
+                echo "Linter $linter_name reported error for: $f" >&2
+                echo >&2
+
+                echo failed
+            fi
+        fi
+    done | wc -l)"
+
+    [ "$failcount" -eq 0 ] || return 1
+}
+
+lint_changes "php -l" '\.php$' lint_php || exit 1
+lint_changes "php_cs_fixer" '\.php$' lint_php_cs_fixer || exit 1
-- 
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