Merge pull request #21787 from nextcloud/enh/hello-psalm

Hello psalm

Author: MorrisJobke

.github/workflows/static-code-analysis.yml

@@ -0,0 +1,25 @@
+name: Static code analysis
+
+on: [pull_request]
+
+jobs:
+    static-code-analysis:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+            - name: Checkout submodules
+              shell: bash
+              run: |
+                auth_header="$(git config --local --get http.https://github.com/.extraheader)"
+                git submodule sync --recursive
+                git -c "http.extraheader=$auth_header" -c protocol.version=2 submodule update --init --force --recursive --depth=1
+            - name: Remove composer.json
+              shell: bash
+              run: rm composer.json composer.lock
+            - name: Psalm
+              uses: docker://jakzal/phpqa:php7.4-alpine
+              with:
+                args: psalm --monochrome --no-progress --output-format=text --update-baseline
+            - name: Check for changes in Psalm baseline
+              run: |
+                bash -c "[[ ! \"`git status --porcelain build/psalm-baseline.xml`\" ]] || ( echo 'Uncommited changes in Psalm baseline' && git status && git diff && exit 1 )"

.php_cs.dist

@@ -13,6 +13,7 @@ $config
 	->exclude('config')
 	->exclude('data')
 	->notPath('3rdparty')
+	->notPath('build/stubs')
 	->notPath('composer')
 	->notPath('vendor')
 	->in(__DIR__);

build/files-checker.php

@@ -70,6 +70,7 @@
 	'ocs',
 	'package-lock.json',
 	'package.json',
+	'psalm.xml',
 	'public.php',
 	'README.md',
 	'remote.php',