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mkoertgen/README.md

Last active June 28, 2024 15:32
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Revisions

  1. mkoertgen revised this gist Jun 28, 2024. 1 changed file with 7 additions and 1 deletion.
    8 changes: 7 additions & 1 deletion README.md
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    Original file line number Diff line number Diff line change
    @@ -22,7 +22,13 @@ $ gource --start-date "2024-05-14" --stop-date "2024-06-20"
    $ gource -H

    # Render video
    $ gource --start-date "2024-05-14" --stop-date "2024-06-20" -o - | ffmpeg -y -r 60 -f image2pipe -vcodec ppm -i - -vcodec libx264 -preset ultrafast -pix_fmt yuv420p -crf 1 -threads 0 -bf 0 gource.mp4
    $ gource --start-date "2024-05-14" --stop-date "2024-06-20" -o gource.ppm
    # Convert to mp4 (should be good compression)
    $ ffmpeg -y -r 60 -f image2pipe -vcodec ppm -i gource.ppm -vcodec libx264 -preset medium -pix_fmt yuv420p -f mp4 gource.mp4
    # Add music
    $ ffmpeg -i gource.mp4 -i music.mp3 -c:v copy -c:a aac -strict experimental gource-music.mp4
    # Convert to webm
    $ ffmpeg -i gource.mp4 -c:v libvpx -b:v 1M -c:a libvorbis gource.webm
    ```

    Automation Examples
  2. mkoertgen revised this gist Jun 28, 2024. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion README.md
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    Original file line number Diff line number Diff line change
    @@ -1,6 +1,6 @@
    # Gource Automation

    <iframe width="560" height="315" src="https://www.youtube.com/embed/NjUuAuBcoqs?si=6b-0f2QH0CRv-4H7" allowfullscreen style="border:none"></iframe>
    [![Watch the video](https://img.youtube.com/vi/NjUuAuBcoqs/default.jpg)](https://youtu.be/NjUuAuBcoqs)

    Example for rendering a Gource video from a Git repository between two dates corresponding to two tags:

  3. mkoertgen revised this gist Jun 28, 2024. 1 changed file with 30 additions and 0 deletions.
    30 changes: 30 additions & 0 deletions README.md
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    @@ -0,0 +1,30 @@
    # Gource Automation

    <iframe width="560" height="315" src="https://www.youtube.com/embed/NjUuAuBcoqs?si=6b-0f2QH0CRv-4H7" allowfullscreen style="border:none"></iframe>

    Example for rendering a Gource video from a Git repository between two dates corresponding to two tags:

    ```bash
    # List tag dates in ISO format
    $ git for-each-ref --format="%(refname:short) | %(creatordate:iso)" "refs/tags/*"
    ...
    1.220.0 | 2024-05-14 12:26:53 +0200
    1.222.0 | 2024-06-20 17:25:44 +0200
    ...
    # Using gravatar images with user-image-dir
    # Gource Automation https://gist.github.com/mkoertgen/61ef2e75e3e09659791b77d7f63f67aa
    $ gource --user-image-dir .git/avatar/

    # Interactive
    $ gource --start-date "2024-05-14" --stop-date "2024-06-20"

    # Show all options
    $ gource -H

    # Render video
    $ gource --start-date "2024-05-14" --stop-date "2024-06-20" -o - | ffmpeg -y -r 60 -f image2pipe -vcodec ppm -i - -vcodec libx264 -preset ultrafast -pix_fmt yuv420p -crf 1 -threads 0 -bf 0 gource.mp4
    ```

    Automation Examples

    - [GitHub Gource Action](https://github.com/marketplace/actions/gource-action)
  4. mkoertgen created this gist Jun 28, 2024.
    54 changes: 54 additions & 0 deletions fetch_garavar.py
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    @@ -0,0 +1,54 @@
    import os
    import hashlib
    import requests
    import subprocess

    # Ported from Perl: https://github.com/acaudwell/Gource/wiki/Gravatar-Example
    # Configuration
    size = 90
    output_dir = '.git/avatar'

    # Check for .git/ directory
    if not os.path.isdir('.git'):
    raise Exception("no .git/ directory found in current path")

    # Create output directory if it doesn't exist
    os.makedirs(output_dir, exist_ok=True)

    # Execute git log command and get output
    git_log_output = subprocess.check_output(
    ['git', 'log', '--pretty=format:%ae|%an'],
    encoding='utf-8',
    universal_newlines=True
    )

    processed_authors = set()

    for line in git_log_output.splitlines():
    email, author = line.split('|', 1)

    # Skip if author has already been processed
    if author in processed_authors:
    continue
    processed_authors.add(author)

    author_image_file = os.path.join(output_dir, f'{author}.png')

    # Skip if image already exists
    if os.path.exists(author_image_file):
    continue

    # Generate Gravatar URL
    email_hash = hashlib.md5(email.lower().encode('utf-8')).hexdigest()
    grav_url = f"http://www.gravatar.com/avatar/{email_hash}?d=404&size={size}"

    print(f"fetching image for '{author}' {email} ({grav_url})...")

    # Fetch and save the image
    response = requests.get(grav_url)
    if response.status_code == 200:
    with open(author_image_file, 'wb') as f:
    f.write(response.content)

    # Sleep to avoid hammering the server
    #time.sleep(1)