display-changelog

.pre-commit-config.yaml

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+repos: 
+- repo: local 
+  hooks: 
+  - id: update-changelog 
+    name: Update License Changelog 
+    entry: python changelog.py 
+    language: system 
+    pass_filenames: false 

changelog.py

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+import os
+from git import Repo
+
+def generate_license_changelog():
+    # Setup paths
+    repo_path = '..'
+    output_path = 'docs/changelog.md'
+    # We look in etc because that is where the license files live
+    search_path = 'etc'
+
+    # Open the repository
+    print("Opening repository...")
+    repo = Repo(repo_path)
+
+    # Get the last 50 changes
+    print("Fetching recent commits...")
+    commits = list(repo.iter_commits(paths=search_path, max_count=50))
+
+    # Start building the Markdown table
+    # We use a list called 'lines' to hold each row of our table
+    lines = [
+        "# License Changelog",
+        "",
+        "| Date | Action | License | Commit |",
+        "| :--- | :--- | :--- | :--- |"
+    ]
+
+    # Loop through each commit to find what changed
+    for commit in commits:
+        # Get a readable date
+        date_str = commit.authored_datetime.strftime("%Y-%m-%d")
+        commit_hash = commit.hexsha[:7]
+
+        # Comparing this commit with the one before it
+        if commit.parents:
+            diffs = commit.diff(commit.parents[0])
+        else:
+            # This is the very first commit in the repo
+            diffs = commit.diff(None)
+
+        for diff in diffs:
+            # Look for the file name
+            file_path = diff.b_path or diff.a_path
+
+            # Check if it is a license YAML file
+            if file_path.endswith('.yml') and 'licenses' in file_path:
+                # Get just the name (like 'mit') instead of 'etc/licenses/mit.yml'
+                license_name = os.path.basename(file_path).replace('.yml', '')
+
+                # Decide if it was Added or Refined
+                if diff.change_type == 'A':
+                    action = "Added"
+                else:
+                    action = "Refined"
+
+                # Add the row to our list
+                new_row = f"| {date_str} | {action} | {license_name} | `{commit_hash}` |"
+                lines.append(new_row)
+
+    # Save the list to a file
+    print(f"Saving changelog to {output_path}...")
+    with open(output_path, 'w') as f:
+        # Join all lines with a newline character
+        f.write('\n'.join(lines))
+
+    print("Done!")
+
+if __name__ == "__main__":
+    generate_license_changelog() 

docs/changelog.md

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+# License Changelog
+
+| Date | Action | License | Commit |
+| :--- | :--- | :--- | :--- |
+| 2025-03-19 | Refined | skype-eula.txt | `e01ac70` |
+| 2025-03-19 | Refined | wxwindows.txt | `e01ac70` |
+| 2025-03-19 | Refined | licenses_list.json | `e01ac70` |