Git Commit AI logs

git-cai.sh

#!/usr/bin/env bash
# filename: ~/bin/git-cai
# example: git cai
#
# Copies an AI-generated summary of a commit to the clipboard before opening the commit dialog.
# Requires commitmsg and copy aliases
# uvx llm keys set gemini

# Detect the OS type
if [[ "$OSTYPE" == "darwin"* ]]; then
  CLIP_CMD="pbcopy"  # macOS clipboard command
elif [[ "$OSTYPE" == "linux-gnu"* ]]; then
  CLIP_CMD="xsel -ib"  # Linux clipboard command
else
  echo "Unsupported OS: $OSTYPE" >&2
  exit 1
fi

# Generate the commit message and copy it to the clipboard
git diff --staged | uvx --with llm-gemini llm -m gemini-2.0-pro-exp-02-05 -s 'Generate a git commit message for these changes. Avoid overly verbose descriptions or unnecessary details. Start with a short sentence in imperative form, no more than 50 characters long. Then leave an empty line and continue with a more detailed explanation. Write only one sentence for the first part, and two or three sentences at most for the detailed explanation.' | $CLIP_CMD
git commit

1. Requires uv: https://docs.astral.sh/uv/
2. Requires a Gemini API key (https://aistudio.google.com/), but it works with any other model supported by llm: https://llm.datasette.io/en/stable/

Using uvx means you don't need to install llm or python or the model.