ci: add git hooks

README.md

@@ -39,6 +39,11 @@ You may open this project on your favourite IDE that supports Flutter through a
 
 If you are confused you can pick using VSCode with the flutter extension or use Android Studio with Flutter plugin installed. If you have the flutter-sdk and dart-sdk you can directly run the below commands to build this app.
 
+```bash
+# Setup git hooks
+git config core.hooksPath hooks/
+```
+
 ```bash
 # Disable analytics
 flutter config --no-analytics

analysis_options.yaml

@@ -1,3 +1,4 @@
+---
 # This file configures the analyzer, which statically analyzes Dart code to
 # check for errors, warnings, and lints.
 #
@@ -9,6 +10,13 @@
 # packages, and plugins designed to encourage good coding practices.
 include: package:flutter_lints/flutter.yaml
 
+analyzer:
+  exclude: [build/**]
+  language:
+    strict-casts: true
+    strict-inference: true
+    strict-raw-types: true
+
 linter:
   # The lint rules applied to this project can be customized in the
   # section below to disable rules from the `package:flutter_lints/flutter.yaml`
@@ -23,7 +31,7 @@ linter:
   # producing the lint.
   rules:
     # avoid_print: false  # Uncomment to disable the `avoid_print` rule
-    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+    prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
 
 # Additional information about this file can be found at
 # https://dart.dev/guides/language/analysis-options

hooks/commit-msg

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+if [ -z "$1" ]; then
+	echo "Missing argument (commit message). Did you try to run this manually?"
+	exit 1
+fi
+
+# This adds the Author Identity like commit -s
+SOB=$(git var GIT_AUTHOR_IDENT | sed -n 's/^\(.*>\).*$/Signed-off-by: \1/p')
+grep -qs "^$SOB" "$1" || echo "$SOB" >> "$1"
+
+# This example catches duplicate Signed-off-by lines.
+
+test "" = "$(grep '^Signed-off-by: ' "$1" |
+	 sort | uniq -c | sed -e '/^[ 	]*1[ 	]/d')" || {
+	echo >&2 Duplicate Signed-off-by lines.
+	exit 1
+}
+
+commit_title=$(head -n1 < "$1")
+
+if [[ $commit_title == "" ]]; then
+	exit 0
+fi
+
+# ignore merge requests
+if echo "$commit_title" | grep -qP "^Merge branch \'"; then
+	echo "commit-msg hook: ignoring branch merge"
+	exit 0
+fi
+
+# check semantic versioning scheme
+if ! echo "$commit_title" | grep -qP '^(?:feat|fix|docs|style|refactor|perf|test|chore)\(?(?:\w+|\s|\-|_)?\)?:\s(?:\s|\w+|\W*)+'; then
+	echo "commit-msg hook: Your commit title did not follow semantic versioning: $commit_title"
+	echo "commit-msg hook: Please see https://github.com/angular/angular.js/blob/master/DEVELOPERS.md#commit-message-format"
+	exit 1
+fi
+
+

hooks/pre-commit

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -eo pipefail
+
+echo "pre-commit hook: running 'flutter analyze'..."
+flutter analyze --fatal-infos --fatal-warnings
+echo "pre-commit hook: running 'flutter test'..."
+flutter test
+echo "pre-commit hook: running 'dart format'..."
+dart format .