Commit-editmsg __link__ Info

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

You do not have to settle for Git's default text editor. You can change which application opens COMMIT_EDITMSG and alter the helper text displayed inside it. Changing your default editor

git commit --no-verify -m "Hotfix for production"

Always leave one blank line between the subject and the body.

Tell Git to use this template every time it builds a COMMIT_EDITMSG file: git config --global commit.template ~/.gitmessage Use code with caution. Best Practices for Writing Commit Messages COMMIT-EDITMSG

It’s important to note that this location is relative to the repository’s work tree, and Git uses the command git rev-parse --git-dir to always find the correct directory, especially when working with advanced features like worktrees. The path to this file is passed as the sole parameter to certain Git hooks, such as the commit-msg hook, allowing those scripts to read and modify the message before the commit is finalized.

[git commit] ──> Creates .git/COMMIT_EDITMSG ──> Launches Text Editor │ Aborts Commit <── Refuses to Save / Empty Message <────┴────> Saves & Closes Editor ──> Commits to History

You can create a file (e.g., ~/.gitmessage ) to create a standard structure, and configure Git to load it into COMMIT_EDITMSG automatically: git config --global commit.template ~/.gitmessage

Once you save and close the file, Git reads the content, strips out the comments, and uses the remaining text as the permanent message for that commit. The Role of COMMIT_EDITMSG in Best Practices You can use the --verbose flag to see

If templates are about providing helpful guidance, the commit-msg hook is about automated enforcement. This powerful hook is a script that Git executes after you've saved your commit message but before the commit is created. Its single argument is the path to the COMMIT_EDITMSG file containing your message.

Typing git commit -m "Fix the thing in the service layer that was causing the race condition between the producer and consumer threads..." is error-prone. You must craft the message before the editor opens. The COMMIT_EDITMSG workflow allows you to open the file, look at the diff (via git status comments), then write the perfect message.

Even with templates and tools, developers often misuse the sacred COMMIT_EDITMSG file. Here is what to avoid.

Using COMMIT_EDITMSG makes this formatting much easier to manage than typing long strings into a terminal prompt [5.3, 5.4]. Troubleshooting and Common Scenarios Changing your default editor git commit --no-verify -m

#!/bin/sh # A sample script to ensure commit messages match: JIRA-[0-9]+ commit_message=$(cat "$1") if ! echo "$commit_message" | grep -qE "^JIRA-[0-9]+"; then echo "ERROR: Your commit message must start with a Jira ticket number (e.g., JIRA-123)." exit 1 fi Use code with caution. prepare-commit-msg Hook

"Reads your staged diff, sends it to the AI, and prints a suggested commit message in your terminal."

This is the default template. Notice a few critical features:

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