Commit-editmsg

The official Git documentation defines it precisely: $GIT_DIR/COMMIT_EDITMSG — "This file contains the commit message of a commit in progress." In simpler terms, this is the file your text editor opens when it's time to write your commit message. The text you save is what goes into that file, and once you close the editor, Git reads it to finalize the commit.

The interaction between Git, COMMIT_EDITMSG , and your text editor follows a strict transactional sequence.

Because COMMIT_EDITMSG is a physical file on your disk, Git provides native automated scripts ("hooks") that can read and alter its contents before your commit registers. 1. prepare-commit-msg

Create ~/.gitmessage.txt :

This tells Git: "Use the content of that file as the message and try again."

Instead of constructing a massive string for git commit -m , you can write your message into .git/COMMIT_EDITMSG (or a temporary file) and run git commit -F <filename> .

Why does the COMMIT_EDITMSG open when I try to commit in vscode? COMMIT-EDITMSG

Next time you stage a change, resist the urge to type git commit -m "updates" . Instead, type git commit . Stare at the .git/COMMIT_EDITMSG file. Write a story. Automate the boring parts. Your future self—and your teammates—will thank you.

If you have ever typed git commit without the -m flag, you have interacted with this file. You might have thought you were just using a text editor to write a message. In reality, you were editing a temporary file named COMMIT-EDITMSG .

: You type your message, save the file, and close the editor. Because COMMIT_EDITMSG is a physical file on your

COMMIT_EDITMSG is a temporary file created by Git during the committing process. It resides in the .git directory of your project (at .git/COMMIT_EDITMSG ).

This hook executes after you save and close COMMIT_EDITMSG but before the commit is permanently recorded. It is widely used to enforce formatting rules. If a developer attempts to save a message that doesn't fit specific patterns, the hook aborts the operation.

...and save, Git extracts the three lines above the comments and creates the commit. Why does the COMMIT_EDITMSG open when I try