sangdth/gtma.md

## gtma.md

      
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              gtma.md
            
          
    gtma

Generates conventional commit messages using AI and applies them via Graphite CLI (gt modify).
Requirements


Graphite CLI (gt)
Cursor agent CLI tool (AI assistant)

Setup

Add the gtma function to your shell:
source ~/.zshrc  # or source the file containing gtma
Usage

gtma           # Generate message and amend current commit
gtma -c        # Generate message and create new commit
gtma --commit  # Same as -c
How It Works


Detects staged/unstaged/untracked changes
Sends diff to agent for conventional commit message generation
Prepends new message on top of existing commit message
Applies via gt modify --message

Message Format

<type>(scope): <description>

<body>

<previous commit message>

Examples

# Amend with AI-generated message
gtma

# Create new commit with AI-generated message
gtma -c
gtma() {
  local DO_COMMIT=false
  [[ "$1" == "-c" || "$1" == "--commit" ]] && DO_COMMIT=true

  local CHANGES=$(git diff HEAD; git ls-files --others --exclude-standard | xargs -I {} git diff --no-index /dev/null {})

  if [ -z "$CHANGES" ]; then
    echo "◯ No changes detected."
    return 0
  fi

  local OLD_MSG=$(git log -1 --format=%B 2>/dev/null)

  echo "🤖 Cursor is generating commit message..."

  local PROMPT="Based on the DIFF below, generate a full Git commit message.
  
  Format:
  - Header: <type>(scope): <description> (max 60 chars, imperative mood)
  - Blank line
  - Body: One or two paragraphs explaining the 'why' and 'what'. Wrap text at 72 chars.
  
  Constraints:
  - Types: feat, fix, docs, style, refactor, perf, test, chore.
  - Output ONLY the raw commit message text. No markdown blocks, no commentary.

  DIFF:
  $CHANGES"

  local MSG=$(agent -p "$PROMPT")
  if [ -z "$MSG" ]; then
    echo "❌ Generation failed."
    return 1
  fi

  if [ -n "$OLD_MSG" ]; then
    MSG="${MSG}\n\n${OLD_MSG}"
  fi

  echo "📝 $MSG"

  if $DO_COMMIT; then
    gt modify --all --commit --message "$MSG"
  else
    gt modify --all --message "$MSG"
  fi
}
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