Git Commits - appleseedhq/appleseed GitHub Wiki

The article How to Write a Git Commit Message by Chris Beams is an excellent take on the topic.

If the article is too long for your taste, the seven rules of a great git commit message are reproduced here with links to the rationale behind each rule:

• Separate subject from body with a blank line
• Limit the subject line to 50 characters
• Capitalize the subject line
• Do not end the subject line with a period
• Use the imperative mood in the subject line
• Wrap the body at 72 characters
• Use the body to explain what and why vs. how