From 5755ca705cddfcfc12345afe356a70c0edc3de53 Mon Sep 17 00:00:00 2001
From: 7000pctAUTO <lukems3823@gmail.com>
Date: Sun, 1 Feb 2026 19:31:03 +0000
Subject: [PATCH] Initial upload: Git AI Documentation Generator v0.1.0

---
 src/commands/changelog.py | 75 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 src/commands/changelog.py

diff --git a/src/commands/changelog.py b/src/commands/changelog.py
new file mode 100644
index 0000000..1307995
--- /dev/null
+++ b/src/commands/changelog.py
@@ -0,0 +1,75 @@
+"""Changelog generation command."""
+
+
+import click
+
+from src.config import Config
+from src.git_utils import GitError, NotGitRepositoryError, get_commit_history, get_repo
+from src.ollama_client import OllamaClient, OllamaConnectionError
+from src.output import (
+    console,
+    display_changelog,
+    display_error,
+    display_info,
+    display_model_info,
+)
+
+
+@click.command()
+@click.option("--from", "-f", "from_ref", help="Starting reference (tag, commit, branch)")
+@click.option("--to", "-t", "to_ref", help="Ending reference (default: HEAD)")
+@click.option("--limit", "-l", default=100, help="Maximum number of commits to process")
+@click.option("--format", "output_format", type=click.Choice(["markdown", "json"]), default="markdown", help="Output format")
+@click.pass_context
+def changelog(ctx: click.Context, from_ref: str | None, to_ref: str | None, limit: int, output_format: str) -> None:
+    """Generate a changelog from git commit history."""
+    config: Config = ctx.obj["config"]
+    client = OllamaClient(config)
+
+    try:
+        display_info("Connecting to Ollama...")
+        client.connect_with_retry()
+        display_model_info(config.ollama_host, config.model)
+    except OllamaConnectionError as e:
+        display_error(str(e))
+        return
+
+    try:
+        repo = get_repo()
+    except NotGitRepositoryError:
+        display_error("Current directory is not a git repository")
+        return
+
+    with console.status("Fetching commit history..."):
+        try:
+            commits = get_commit_history(repo, from_ref, to_ref, limit)
+        except GitError as e:
+            display_error(str(e))
+            return
+
+        if not commits:
+            display_info("No commits found in the specified range")
+            return
+
+    commit_data = [
+        {
+            "sha": c.sha,
+            "message": c.message,
+            "author": c.author,
+            "date": c.date.isoformat() if c.date else None,
+            "type": c.commit_type,
+            "scope": c.scope,
+        }
+        for c in commits
+    ]
+
+    with console.status("Generating changelog..."):
+        try:
+            changelog_text = client.generate_changelog(
+                commit_data,
+                from_version=from_ref,
+                to_version=to_ref,
+            )
+            display_changelog(changelog_text, from_ref, to_ref or "current")
+        except OllamaConnectionError as e:
+            display_error(str(e))