Add workflows verifying bash and commit messages

This PR adds the first two workflows:
1. Bash linter
2. Commit message verification

.forgejo/workflows/check-commit-message.yml

@@ -1,30 +1,68 @@
 name: Check Commit Messages
 
 on:
-  push:
-    paths-ignore:
-      - '**/*.sh'  # Commit messages are checked regardless of file type
   pull_request:
-    paths-ignore:
+  push:
-      - '**/*.sh'
+    branches:
+      - '!master' 
 
 jobs:
   check-commit-message:
-    runs-on: docker
+    runs-on: node:16-bullseye
-    container:
-      image: node:16-bullseye  # Node.js pre-installed, based on Debian
 
     steps:
       - name: Checkout Code
-        uses: https://code.forgejo.org/actions/checkout@v4
+        uses: actions/checkout@v4
         with:
-          fetch-depth: 0  # Fetch the entire history to avoid REST API reliance
+          fetch-depth: 0  # Fetch the entire history to analyze commit messages
 
-      - name: Check Commit Messages
+      - name: Check Subject Beginning
         run: |
-          echo "Checking commit message format..."
+          echo "Checking if the subject starts correctly..."
-          if ! git log -1 --pretty=%B | grep -Eq '^(feat|fix|chore|docs|style|refactor|test|perf):'; then
+          commit_message=$(git log -1 --pretty=%B)
-            echo "Commit message does not follow the conventional format: <type>: <subject>"
+          if ! [[ "$commit_message" =~ ^([A-Z]|\S+:|git\ subrepo\ (clone|pull)) ]]; then
+            echo "Error: The subject does not start with a capital letter, a tag, or a valid 'git subrepo' command."
             exit 1
           fi
+          echo "Subject start check passed."
+
+      - name: Check Commit Message Type and Format
+        run: |
+          echo "Checking commit message type and format..."
+          commit_message=$(git log -1 --pretty=%B)
+          if ! [[ "$commit_message" =~ ^(feat|fix|chore|docs|style|refactor|test|perf): ]]; then
+            echo "Error: Commit message does not follow the required format: <type>: <subject>"
+            exit 1
+          fi
+          echo "Commit message type and format check passed."
+
+      - name: Check Subject Length
+        run: |
+          echo "Checking subject length..."
+          commit_subject=$(git log -1 --pretty=%B | head -n 1)
+          if [[ ${#commit_subject} -gt 72 ]]; then
+            echo "Error: Commit message subject exceeds 72 characters."
+            exit 1
+          fi
+          echo "Subject length check passed."
+
+      - name: Check Subject Ending
+        run: |
+          echo "Checking subject ending..."
+          commit_subject=$(git log -1 --pretty=%B | head -n 1)
+          if [[ "$commit_subject" =~ \.$ ]]; then
+            echo "Error: Commit message subject should not end with a dot."
+            exit 1
+          fi
+          echo "Subject ending check passed."
+
+      - name: Check Empty Line After Title
+        run: |
+          echo "Checking for an empty line after the title..."
+          commit_body=$(git log -1 --pretty=%B | tail -n +2)
+          if [[ -n "$commit_body" && ! "$commit_body" =~ ^$ ]]; then
+            echo "Error: There must be an empty line between the title and description."
+            exit 1
+          fi
+          echo "Empty line check passed."