Generate changelog from git history fixes #1

scripts/modio.py

@@ -1,8 +1,56 @@
 import json
 import os
 import requests
-
 from . import MOD_PATH
+import subprocess
+
+def run_git_command(command):
+    """ Run a git command and return its output. """
+    result = subprocess.run(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
+    if result.returncode != 0:
+        raise Exception(f"Git command failed: {result.stderr}")
+    return result.stdout.strip()
+
+def get_current_commit():
+    """ Get the current commit hash. """
+    return run_git_command(['git', 'rev-parse', 'HEAD'])
+
+def get_commit_for_tag(tag):
+    """ Get the commit hash for a tag, or return None if the tag doesn't exist. """
+    try:
+        commit_hash = run_git_command(['git', 'rev-list', '-n', '1', tag])
+        return commit_hash
+    except Exception:
+        return None
+
+def get_previous_tag_in_series(tag):
+    """ Get the previous tag in the same minor version series (e.g., 0.26.X-1). """
+    try:
+        # Extract the major.minor part of the tag (e.g., '0.26' from '0.26.11')
+        major_minor_version = '.'.join(tag.split('.')[:2])
+        # List all tags, reverse sorted by version number
+        tags = run_git_command(['git', 'tag', '--sort=-v:refname']).splitlines()
+        # Filter tags that match the major.minor version
+        filtered_tags = [t for t in tags if t.startswith(major_minor_version)]
+        if tag in filtered_tags:
+            current_index = filtered_tags.index(tag)
+            if current_index + 1 < len(filtered_tags):
+                return filtered_tags[current_index + 1]
+        return None
+    except Exception as e:
+        raise Exception(f"Failed to get previous tag in series: {e}")
+
+def get_changelog(current_commit, previous_tag):
+    """ Get the changelog between the current commit and the previous tag. """
+    try:
+        if previous_tag:
+            changelog = run_git_command(['git', 'log', f'{previous_tag}..{current_commit}', '--oneline'])
+        else:
+            # No previous tag, so get the log from the start of the repository
+            changelog = run_git_command(['git', 'log', current_commit, '--oneline'])
+        return changelog
+    except Exception as e:
+        raise Exception(f"Failed to generate changelog: {e}")
 
 api_key = os.getenv('MODIO_API_KEY')
 
@@ -15,6 +63,18 @@ mod_version = os.getenv("MOD_VERSION")
 community_mod_id = 2144305
 zeroad_id = 5
 
+mod_json = json.load(open(MOD_PATH / 'mod.json', 'r'))
+
+tag = mod_json['version']
+commit = get_commit_for_tag(tag)
+if not commit:
+    print(f"Tag {tag} does not exist. Using current commit as fallback.")
+    commit = get_current_commit()
+
+previous_tag = get_previous_tag_in_series(tag)
+changelog = get_changelog(commit, previous_tag)
+
+
 headers = {
     'Authorization': f'Bearer {oauth2_token}',
     'Accept': 'application/json'
@@ -26,15 +86,15 @@ r = requests.get(f'https://api.mod.io/v1/me/mods', params={
 
 print(r.json())
 
-files = {'filedata': open(mod_file_path, 'rb')}
+files = {'filedata': open(mod_file_path, 'rb', encoding='utf-8')}
 
-mod_json = json.load(open(MOD_PATH / 'mod.json', 'r'))
 
 signature = open('signature.minisign', 'r').read()
 
 rq = requests.post(f'https://api.mod.io/v1/games/{zeroad_id}/mods/{community_mod_id}/files', files=files, headers=headers, data={
     'version': mod_version,
     'active': True,
+    'changelog': changelog,
     'metadata_blob' : json.dumps({
         'dependencies': mod_json['dependencies'],
         'minisigs': [signature]