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Git Commit Message AI
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| # ----------------------------------------------------------------------------- | |
| # AI-powered Git Commit Function | |
| # Copy paste this gist into your ~/.bashrc or ~/.zshrc to gain the `gcm` command. It: | |
| # 1) gets the current staged changed diff | |
| # 2) sends them to an LLM to write the git commit message | |
| # 3) allows you to easily accept, edit, regenerate, cancel | |
| # But - just read and edit the code however you like | |
| # the `llm` CLI util is awesome, can get it here: https://llm.datasette.io/en/stable/ | |
| # Unalias gcm if it exists (to prevent conflicts) | |
| unalias gcm 2>/dev/null | |
| gcm() { | |
| # Function to generate commit message | |
| generate_commit_message() { | |
| local diff_output | |
| diff_output=$(git diff --cached) | |
| if [ -z "$diff_output" ]; then | |
| echo "No staged changes detected. Nothing to commit." | |
| return 1 | |
| fi | |
| echo "$diff_output" | llm -m 4o " | |
| Below is a diff of all staged changes, coming from the command: | |
| \`\`\` | |
| git diff --cached | |
| \`\`\` | |
| Please generate a concise, one-line commit message for these changes. Limit the message to 50 characters. Do not include any backticks or code blocks." | |
| } | |
| # Function to read user input compatibly with both Bash and Zsh | |
| read_input() { | |
| if [ -n "$ZSH_VERSION" ]; then | |
| echo -n "$1" | |
| read -r REPLY | |
| else | |
| read -p "$1" -r REPLY | |
| fi | |
| } | |
| # Main script | |
| echo "Generating AI-powered commit message..." | |
| commit_message=$(generate_commit_message) | |
| if [ $? -ne 0 ]; then | |
| echo "No commit message generated. Exiting." | |
| return 1 | |
| fi | |
| while true; do | |
| echo -e "\nProposed commit message:" | |
| echo "$commit_message" | |
| read_input "Do you want to (a)ccept, (e)dit, (r)egenerate, or (c)ancel? " | |
| choice=$REPLY | |
| case "$choice" in | |
| a|A ) | |
| if git commit -m "$commit_message"; then | |
| echo "Changes committed successfully!" | |
| return 0 | |
| else | |
| echo "Commit failed. Please check your changes and try again." | |
| return 1 | |
| fi | |
| ;; | |
| e|E ) | |
| read_input "Enter your commit message: " | |
| commit_message=$REPLY | |
| if [ -n "$commit_message" ] && git commit -m "$commit_message"; then | |
| echo "Changes committed successfully with your message!" | |
| return 0 | |
| else | |
| echo "Commit failed. Please check your message and try again." | |
| return 1 | |
| fi | |
| ;; | |
| r|R ) | |
| echo "Regenerating commit message using gemini..." | |
| commit_message=$(generate_commit_message) | |
| if [ $? -ne 0 ]; then | |
| echo "No commit message generated. Exiting." | |
| return 1 | |
| fi | |
| ;; | |
| c|C ) | |
| echo "Commit cancelled." | |
| return 1 | |
| ;; | |
| * ) | |
| echo "Invalid choice. Please try again." | |
| ;; | |
| esac | |
| done | |
| } |
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