Commit-editmsg -

You can specify a file path as a template.

git config --global commit.template ~/.gitmessage.txt

Every time COMMIT_EDITMSG is generated, it will copy the contents of ~/.gitmessage.txt into the file before opening the editor. This is great for enforcing commit conventions (e.g., reminding developers

COMMIT_EDITMSG is a temporary system file created by Git to store your commit message while you are editing it. It acts as a staging ground for the text you write before it becomes a permanent part of the repository's history. 🛠️ How It Works

When you run git commit without the -m flag, Git opens your default text editor (like Vim, Nano, or VS Code) and creates this file in the .git/ directory.

Creation: It starts with a blank space and a list of commented-out instructions (lines starting with #) showing what will be committed.

Finalization: Once you save and close the editor, Git reads the content of COMMIT_EDITMSG, ignores the commented lines, and uses the rest as your official commit message.

Cleanup: The file is overwritten every time you start a new commit session. ✅ Best Practices for Content

Because COMMIT_EDITMSG gives you a full-screen editor, it is the best place to follow professional standards like the 50/72 Rule:

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

The Gap: Always leave one blank line between the subject and the body.

The Body: Wrap lines at 72 characters. Use this space to explain why the change was made, not just what changed. 💡 Troubleshooting Common Issues COMMIT-EDITMSG

"Vim stuck": If your terminal turns into a text editor, you are likely in Vim. Type :wq and press Enter to save and exit, or :q! to abort the commit.

Visual Studio Code: In VS Code, this file often appears as a tab titled COMMIT_EDITMSG. You must close this tab or click the checkmark to finish the commit.

Swap Files: If you see an error about a .swp file, it means your editor crashed or is still open in another window. You can usually delete the .swp file safely if you aren't currently editing. 🚀 Pro Tip: Reviewing Your Work

You can use the --verbose flag to see your changes directly inside the COMMIT_EDITMSG file while you write: git commit -v Use code with caution. Copied to clipboard

This adds a diff of your changes to the bottom of the file (commented out), helping you write a more accurate summary of your work. If you want to dive deeper,

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

Original (poor):

fixed bug in user stuff

Revised (good):

Fix session invalidation after password change
Previously, a user changing their password would remain logged in
on other devices. This change explicitly invalidates all active
sessions for that user except the current device.

Closes #234

If you paste the actual contents of your COMMIT-EDITMSG, I will give you a line-by-line review with specific corrections.

To write a good COMMIT_EDITMSG (the temporary file Git opens for your commit message), follow the widely accepted 50/72 rule

. A well-structured message helps your future self and teammates understand the behind changes without having to read every line of code The Standard Structure

A high-quality commit message typically consists of three parts Subject Line : A brief summary (max 50 characters). Blank Line : Critical for separating the subject from the body : A detailed explanation wrapped at 72 characters per line Core Rules for Better Content

How to write good commit message for multiple changes? : r/git

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

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" You can specify a file path as a template

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?

If you exit the editor without saving, or if the commit message is empty after stripping comments, Git aborts with: Every time COMMIT_EDITMSG is generated, it will copy

Aborting commit due to empty commit message.