automate chromium-ffmpeg packaging

Signed-off-by: Matt Jolly <kangie@gentoo.org>

2 files changed, 176 insertions, 1 deletions

diff --git a/get-opera-version-mapping.py b/get-opera-version-mapping.py
index 43f8f32..2b515b4 100755
--- a/get-opera-version-mapping.py
+++ b/get-opera-version-mapping.py
@@ -103,7 +103,7 @@ def remediate_unknown_versions(versions):
 # Example usage
 # Base URL with version placeholder
 base_url = "https://blogs.opera.com/desktop/changelog-for-{}/"
-opera_chromium_versions = get_opera_chromium_versions(base_url, 100, 108)
+opera_chromium_versions = get_opera_chromium_versions(base_url, 100, 110)
 
 opera_chromium_versions = remediate_unknown_versions(opera_chromium_versions)
 
diff --git a/package-chromium-ffmpeg.py b/package-chromium-ffmpeg.py
new file mode 100755
index 0000000..5db694e
--- /dev/null
+++ b/package-chromium-ffmpeg.py
@@ -0,0 +1,175 @@
+#!/usr/bin/env python3
+
+import re
+import os
+import logging
+import subprocess
+import requests
+
+# Configure logging
+logging.basicConfig(
+    format='%(asctime)s - %(levelname)s - %(message)s', level=logging.INFO,
+    datefmt='%Y-%m-%d %H:%M:%S')
+
+
+def get_commit(version_url):
+    """Fetches the git hash from the Chromium ffmpeg submodule URL using requests.
+
+    Args:
+      version_url: The URL of the Chromium ffmpeg submodule for a specific version.
+
+    Returns:
+      The git commit hash found in the submodule URL, or None if not found.
+    """
+    try:
+        # Use requests.get to fetch the URL content
+        response = requests.get(version_url)
+        response.raise_for_status()  # Raise exception for non-200 status codes
+
+        # Search for commit hash within the 'gitlink-detail' class (adapt if needed)
+        match = re.search(
+            r'<div class="gitlink-detail">Submodule link to (.*?) of', response.text)
+        if match:
+            return match.group(1)
+        else:
+            return None
+    except requests.exceptions.RequestException as e:
+        logging.error(f"Error: Failed to fetch URL {version_url} - {e}")
+        return None
+
+
+def archive_ffmpeg(version, commit_hash):
+    """Archives the Chromium ffmpeg repository at the specified commit hash.
+
+    Args:
+      version: The Chromium major version (e.g. 123).
+      commit_hash: The git commit hash of the desired ffmpeg revision.
+    """
+    # Base directory for ffmpeg checkout (configurable)
+    ffmpeg_dir = os.getenv("FFMPEG_TEMP_DIR", "/tmp/ffmpeg")
+    # Archive filename with version substitution
+    archive_name = f"/tmp/ffmpeg-chromium-{version}.tar.xz"
+
+    repo_uri = "https://chromium.googlesource.com/chromium/third_party/ffmpeg"
+
+    # Check if ffmpeg directory already exists
+    if os.path.exists(ffmpeg_dir):
+        # Verify remote URL matches expected repository
+        try:
+            output = subprocess.run(
+                ["git", "remote", "-v"], cwd=ffmpeg_dir, capture_output=True, check=True).stdout.decode()
+            if not re.search(repo_uri, output, re.MULTILINE):
+                logging.error(
+                    f"Existing ffmpeg directory {ffmpeg_dir} points to a different remote. Please remove and re-clone.")
+                exit(1)
+        except subprocess.CalledProcessError as e:
+            logging.error(f"Error verifying remote URL: {e}")
+            exit(1)
+
+        # Update existing repository
+        try:
+            subprocess.run(["git", "pull"], cwd=ffmpeg_dir, check=True)
+        except subprocess.CalledProcessError as e:
+            logging.error(f"Error updating ffmpeg repository: {e}")
+            exit(1)
+    else:
+        # Clone the Chromium ffmpeg repository
+        try:
+            subprocess.run(
+                ["git", "clone", repo_uri, ffmpeg_dir], check=True)
+        except subprocess.CalledProcessError as e:
+            logging.error(f"Error cloning ffmpeg repository: {e}")
+            exit(1)
+
+    # Archive the ffmpeg directory with prefix and specific commit hash
+    try:
+        logging.info(
+            f"Archiving ffmpeg-chromium@{commit_hash}, this may take a moment...")
+        subprocess.run(["git", "archive", "--format=tar.xz", "-o", archive_name,
+                       f"--prefix=ffmpeg-chromium-{version}/", commit_hash], cwd=ffmpeg_dir, check=True)
+        logging.info(
+            f"ffmpeg-chromium@{commit_hash} archived to {archive_name}")
+    except subprocess.CalledProcessError as e:
+        logging.error(f"Error archiving ffmpeg: {e}")
+
+
+def copy_and_update_ebuild(version, commit_hash):
+    """Copies the latest ffmpeg-chromium.ebuild and updates the COMMIT variable.
+
+    Args:
+      version: The Chromium version (e.g., 124).
+      commit_hash: The git commit hash of the desired ffmpeg revision.
+    """
+    # Target directory for ffmpeg-chromium ebuilds (configurable)
+    ebuild_dir = os.getenv("FFMPEG_EBUILD_DIR",
+                           "/var/db/repos/gentoo/media-video/ffmpeg-chromium")
+    # Destination ebuild filename with version substitution
+    dest_ebuild = f"ffmpeg-chromium-{version}.ebuild"
+
+    # Find the highest version ebuild file
+    highest_version = None
+    for filename in os.listdir(ebuild_dir):
+        match = re.match(r"ffmpeg-chromium-(\d+)\.ebuild", filename)
+        if match:
+            current_version = int(match.group(1))
+            if highest_version is None or current_version > highest_version:
+                highest_version = current_version
+                highest_ebuild = os.path.join(ebuild_dir, filename)
+                # Check if a higher version ebuild exists
+    if highest_version:
+        # Copy the highest version ebuild
+        try:
+            subprocess.run(["cp", highest_ebuild,
+                            os.path.join(ebuild_dir, dest_ebuild)],
+                           check=True,)
+        except subprocess.CalledProcessError as e:
+            logging.error(f"Error copying ebuild file: {e}")
+            exit(1)
+
+        logging.info(
+            f"Copied ffmpeg-chromium-{highest_version}.ebuild to {dest_ebuild}"
+        )
+
+        # Update the COMMIT variable in the copied ebuild
+        with open(os.path.join(ebuild_dir, dest_ebuild), "r+") as f:
+            lines = f.readlines()
+            for i, line in enumerate(lines):
+                if line.startswith("COMMIT="):
+                    lines[i] = f"COMMIT={commit_hash}\n"
+                    f.seek(0)
+                    f.writelines(lines)
+                    logging.info(
+                        f"Updated COMMIT variable in {dest_ebuild} to {commit_hash}")
+                    break
+    else:
+        logging.info(
+            f"No existing ffmpeg-chromium ebuilds found in {ebuild_dir}")
+
+
+def main():
+    """Main function to handle user input and script execution."""
+    version_regex = r"^\d+\.\d+(?:\.\d+(?:\.\d+)?)?$"  # Validate version format
+
+    while True:
+        version = input("Enter Chromium version (e.g., 123.0.4567.890): ")
+        if re.match(version_regex, version):
+            break
+        else:
+            print(
+                "Invalid version format. Please enter a version like X.Y.Z.W (e.g., 123.0.4567.890)")
+
+    version_url = f"https://chromium.googlesource.com/chromium/src.git/+/refs/tags/{version}/third_party/ffmpeg"
+    commit_hash = get_commit(version_url)
+    if commit_hash:
+        logging.info(
+            f"Chromium version {version} uses ffmpeg commit {commit_hash}")
+        major_version = version.split(".")[0]
+        archive_ffmpeg(major_version, commit_hash)
+        copy_and_update_ebuild(major_version, commit_hash)
+    else:
+        logging.error(
+            f"Failed to retrieve commit hash for Chromium version {version}")
+
+
+if __name__ == "__main__":
+    main()