Commit-editmsg

In Git, COMMIT_EDITMSG is a temporary file located in the .git directory (.git/COMMIT_EDITMSG) that holds the content of the commit message currently being drafted. Core Functionality

commit_msg_file=$1 branch_name=$(git symbolic-ref --short HEAD)

  • Line 1 (50 chars or less): The subject line.
  • Line 2: A blank line.
  • Line 3+ (72 chars or less): The body, wrapping paragraphs to 72 characters for readability in git log and git format-patch.

4. Commit Message Validation (commit-msg hook)

A commit-msg hook can read .git/COMMIT_EDITMSG, validate its content (e.g., enforce Conventional Commits, require a body), and exit non-zero to abort the commit. COMMIT-EDITMSG

While .git/COMMIT_EDITMSG is a transient file that disappears or gets overwritten with every new commit, it is the canvas upon which project legacy is written. Mastering how to use it—and the editors that open it—is a rite of passage for every professional developer.

Triggers: When you run git commit, Git opens your default text editor (like Vim, Nano, or VS Code) and displays this file. In Git, COMMIT_EDITMSG is a temporary file located

AI-Generated Commit Messages

Tools like git-super-ai, gpt-commit, or custom scripts work by:

Here are the files you are about to commit:

file provides the context needed to understand complex architectural decisions. Pro-Tips for Using COMMIT_EDITMSG Configure Your Editor : You can change which editor opens this file by running git config --global core.editor "code --wait" (for VS Code) or your preferred tool. Commit Templates : You can create a permanent template for your COMMIT_EDITMSG