AI git commit function using ollama

commit.md

Here is how to use this

$ commit

or if you want to specifiy a model

$ commit gemma2:2b

Add this to .zshrc or .bashrc

function commit() {
  # Allow a model to be specified as an argument, default to gemma2:2b
  local model="${1:-llama3.2}"

  # Check if any files are staged
  if [ -z "$(git diff --cached --name-only)" ]; then
    echo "⤫ No files staged"
    echo "✓ Staging all files ..."

    git add .
  fi

  # Create a temporary file for the git diff
  local diff_file=$(mktemp)
  # Get the git diff and save it to the temporary file
  git --no-pager diff --cached --raw -p > "$diff_file"

  # Check if there are changes to commit
  if [ ! -s "$diff_file" ]; then
    echo "❌ No changes to commit."
    rm "$diff_file"
    return 1
  fi

  # Use ollama to generate a commit message based on the diff
  echo "✓ Generating commit message using model: $model"
  local commit_msg=$(ollama run "$model" "
  Create a commit message for the following changes:

  Here are the changes:
  $(cat "$diff_file")

  IMPORTANT: Follow these instructions when creating the commit message
  - Your response should be ONLY the commit message without any additional explanations
  - Keep the commit message short, and concise, ideally less than 50 characters
  - Do not use single or double quotes for the commit message, simply output the commit message
  - Do not use prefixes like 'feat', 'feature', 'changes' 
  - Do not use any punctuations
  " 2>/dev/null)

  # Cleanup temporary file
  rm "$diff_file"

  echo "✓ Commit message generated: $commit_msg"
  echo "✓ Creating commit"
  echo "---------------------------------\n"
  git commit -m "$commit_msg"

  local branch=$(git symbolic-ref --short HEAD)
  # Confirm the commit was made
  echo "✓ Commit created"
  echo "⬆️ Pushing changes to $branch"
  echo "---------------------------------\n"

  git push origin $branch

  echo "\n---------------------------------"
  echo "✅ All done!"
}