Skip to main content

Commit-editmsg May 2026

COMMIT-EDITMSG is a temporary file used by Git to store your commit message while you are writing it in an editor. This file is located at .git/COMMIT_EDITMSG within your project's root directory. 🛠️ How it Works When you run git commit without the

flag, Git opens your default text editor (like Vim, Nano, or VS Code) and creates this temporary file. The Process

: Git populates the file with a list of staged files and instructions (prefixed with ) to help you write your message. The Completion

: Once you save and close the file, Git reads its contents, ignores any lines starting with

, and uses the remaining text as your official commit message. 📝 Commit Message Best Practices To make the most of the editor that COMMIT-EDITMSG opens, follow the 50/72 Rule DEV Community Subject Line (50 characters max) : A brief summary of the change. Use the imperative mood (e.g., "Fix bug" instead of "Fixed bug"). Blank Line

: Always leave a blank line between the subject and the body. Body (Wrap at 72 characters) : Use this space to explain you changed and , rather than you did it. The Server Side ✏️ Editing an Existing Message

If you realized you made a typo or want to improve a message after it was written, you can trigger the COMMIT-EDITMSG flow again using these commands: Amend the last commit git commit --amend to reopen the editor for the most recent commit. Edit multiple/older commits git rebase -i HEAD~n is the number of commits back) and change for the specific commits you want to edit. GitHub Docs ⚠️ Common Issues Editor won't close

: If your commit isn't finishing, ensure you have actually saved and COMMIT-EDITMSG tab or editor. Security Risk .git/COMMIT_EDITMSG

can sometimes contain sensitive information (like passwords accidentally typed into a commit message), ensure your directory is never publicly accessible on web servers. for these commit messages?

In the quiet hours of 2:00 AM, a lone developer typed git commit and was suddenly pulled from their terminal into the stark, blinking world of COMMIT-EDITMSG.

This wasn’t just a temporary file; it was a digital confessional. The cursor pulsed like a heartbeat against the black background of the default editor. Above it, the commented-out lines of the staging area stood as silent witnesses to the chaos of the last four hours—three deleted functions, a "quick fix" that broke the login page, and a single, triumphant semicolon.

The developer hovered over the keys. Should they be honest? “I have no idea why this works now,” they thought. But they remembered the 50/72 rule.

The Subject Line: fix: resolve race condition in auth flow (Exactly 41 characters—clean, professional).

The Body: A blank line, then a paragraph explaining the why—not just the what. COMMIT-EDITMSG

They hit :wq. The file vanished as quickly as it had appeared, its contents absorbed into the project’s permanent history. The terminal returned a simple message: 1 file changed, 12 insertions(+), 8 deletions(-). The ghost of COMMIT-EDITMSG was gone, but the developer knew it would be back the next time they had something to confess. VS Code tips — Use an editor to write git commit messages

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

Buffer Storage: When you run git commit without the -m flag, Git opens your default text editor (like Vim, Nano, or VS Code) and populates it with the contents of this file.

Validation: Git reads this file after you save and close your editor. If the file is empty or only contains comments (lines starting with #), the commit is aborted.

Persistence: It stores the last commit message you attempted to write. If your editor crashes or you cancel the commit, the text often remains in this file, allowing you to recover your work. Common Scenarios

Amending Messages: When using git commit --amend, Git loads the previous commit message into COMMIT_EDITMSG so you can modify it.

Conflict Resolution: During a merge or revert that requires manual intervention, Git uses this file to suggest a default message (e.g., "Merge branch 'feature'").

Standardization: To maintain professional history, many teams follow the 50/72 rule within this file: a 50-character summary line, followed by a blank line and a 72-character wrapped body. Troubleshooting: The "Swap File" Error

If you see an error like Found a swap file ".git/.COMMIT_EDITMSG.swp", it usually means a previous Git session crashed or is still open in another terminal.

Fix: You can typically resolve this by deleting the hidden swap file using rm .git/.COMMIT_EDITMSG.swp.

Improving Your Commit Message with the 50/72 Rule - DEV Community

COMMIT_EDITMSG file is a temporary text file created by Git whenever you run git commit without the

(message) flag. It serves as the workspace where you craft your commit message before it is finalized and stored in the repository's history. The Purpose of COMMIT_EDITMSG COMMIT-EDITMSG is a temporary file used by Git

When you initiate a commit, Git opens your default text editor (like Vim, Nano, or VS Code) and populates it with a boilerplate COMMIT_EDITMSG . This file usually contains: A blank space at the top : This is where you type your subject line and body. Commented-out metadata : Lines starting with

show you which files are staged for commit, which are unstaged, and helpful reminders that "empty messages abort the commit." These comments are automatically stripped out by Git and will not appear in your final history. Why It Matters Using this file instead of the quick -m "message"

flag is a "best practice" for professional development for several reasons: Encourages Detail

flag often leads to shallow, one-line messages like "fixed bug." Opening the full COMMIT_EDITMSG file encourages you to follow the 50/72 rule

: a 50-character summary followed by a blank line and a detailed 72-character wrapped body explaining the change was made. Error Prevention

: Because Git shows you exactly what is being committed in the commented section of the file, it acts as a final "sanity check." If you see a file in that list that shouldn't be there, you can close the editor without saving to abort the commit and fix your staging area. Better Context

: Great commit messages act as a "love letter to your future self." When you or a teammate use six months from now, a message written thoughtfully in a COMMIT_EDITMSG

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

file (containing headers like "Task ID:" or "Reviewer:") using git config --global commit.template ~/.gitmessage

: If you realize you aren't ready to commit, simply delete the text you wrote (or leave it empty) and save/close the file. Git will see the empty message and cancel the operation. By treating the COMMIT_EDITMSG

as a formal document rather than a hurdle, you ensure your project's history remains a readable, valuable asset rather than a cryptic list of "updates." to automate your team's message format?

1. Writing Multi-line Commit Messages

Instead of git commit -m "Fix bug" -m "Detailed explanation", you just run git commit, write:

Fix login timeout on slow networks

Increase the timeout from 5s to 30s and add retry logic.
This resolves the issue where users with high latency
would see repeated failures.
 Then save & exit

Then save & exit.

Checklist:

Summary

Stop rewriting messages from scratch. Let Git remember them for you.

The file COMMIT_EDITMSG is a temporary text file created by Git to store your commit message during the editing process.

When you run git commit without the -m flag, Git opens your default text editor and creates this file in the .git/ directory. It contains any pre-filled comments (which Git strips out later) and is where you type your summary and description.

Location: Found at .git/COMMIT_EDITMSG within your repository.

Function: It acts as a buffer. Once you save and close the editor, Git reads the text from this file to finalize the commit.

Aborting: If you close the file without saving or leave the message empty, Git will usually abort the commit.

Bypassing: You can avoid this file appearing by using git commit -m "your message". Best Practices for the Text

To write a professional commit message in this file, many developers follow the 50/72 rule:

Subject Line: Keep the first line under 50 characters and use the imperative mood (e.g., "Fix bug" instead of "Fixed bug").

Spacing: Leave a blank line between the subject and the body.

Body: Wrap the text at 72 characters and focus on why the change was made rather than how. Common Issues

5. Aborting a Commit

If you exit the editor without saving, or if the commit message is empty after stripping comments, Git aborts with:

Aborting commit due to empty commit message.