Commit-editmsg ((link))
COMMIT_EDITMSG file is a temporary text file created by Git whenever you run git commit without the
Beyond simple commits, COMMIT_EDITMSG is also used during more advanced Git operations. When you perform an interactive rebase and squash multiple commits together, Git generates a combined commit message in the COMMIT_EDITMSG file, giving you the opportunity to clean it up and craft a single, coherent message for the new, consolidated commit.
Git invokes the editor specified by your core.editor configuration and tells it to open the COMMIT_EDITMSG file. At this point, it's just a plain text file waiting for you to type or edit. COMMIT-EDITMSG
To write a good COMMIT_EDITMSG (the temporary file Git opens for your commit message), follow the widely accepted 50/72 rule
: 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 COMMIT_EDITMSG file is a temporary text file created
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.
Because COMMIT_EDITMSG is just a text file, you can supercharge your Git workflow by altering how it is generated and edited. 1. Changing Your Default Editor At this point, it's just a plain text
He began to type: fix: resolve race condition in authentication middleware
Adopting these practices is about more than just being tidy. It transforms your commit log into a powerful project asset that helps you in several key ways: