chore: add COMMIT_MESSAGE.md (#22)

Add guidelines to be followed for a meaningful commit message. Fixes: #18
2018-06-05 16:38:49 +05:30
parent 27696fae62
commit 356acf0601
1 changed files with 87 additions and 0 deletions
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+# Commit Message Conventions
+
+Each commit message consists of a **header**, a **body** and a **footer**.  The header has a special format that includes a **type**, a **scope** and a **subject**:
+
+```
+<type>(<scope>): <subject>
+<BLANK LINE>
+<body>
+<BLANK LINE>
+<footer>
+```
+
+The **header** is mandatory and the **scope** of the header is optional.
+
+Any line of the commit message cannot be longer than 100 characters! This allows the message to be easier to read on GitHub as well as in various git tools.
+
+The footer should contain a [closing reference to an issue](https://help.github.com/articles/closing-issues-via-commit-messages/) if any.
+
+### Revert
+If the commit reverts a previous commit, it should begin with `revert: `, followed by the header of the reverted commit. In the body it should say: `This reverts commit <hash>.`, where the hash is the commit id of the commit being reverted.
+
+### Type
+Must be one of the following:
+
+* **build**: Changes that affect the build system or external dependencies (example scopes: npm, webpack etc)
+* **chore**: Other changes that don't modify src or test files
+* **ci**: Changes to CI configuration files and scripts (example scopes: Travis etc)
+* **docs**: Documentation only changes
+* **feat**: A new feature
+* **fix**: A bug fix
+* **perf**: A code change that improves performance
+* **refactor**: A code change that neither fixes a bug nor adds a feature
+* **style**: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons etc)
+* **test**: Adding missing tests or correcting existing tests
+
+### Scope
+The scope could be anything specifying place of the commit change or empty. (example: main.scss, login etc)
+
+### Subject
+The subject contains a brief and clear description of the change:
+
+* use the imperative, present tense: "change" not "changed" nor "changes"
+* don't capitalize the first letter
+* no dot (.) at the end
+
+### Body
+Just as in the **subject**, use the imperative, present tense: "change" not "changed" nor "changes". The body should include the motivation for the change and contrast this with previous behavior.
+
+### Footer
+The footer should contain any information about **Breaking Changes** and is also the place to reference GitHub issues that this commit **Closes**.
+
+**Breaking Changes** should start with the word `BREAKING CHANGE:` with a space or two newlines. The rest of the commit message is then used for this.
+
+
+## Example Commit Message
+```
+feat: Summarize changes in around 50 characters or less
+
+More detailed explanatory text, if necessary. Wrap it to about 72
+characters or so. In some contexts, the first line is treated as the
+subject of the commit and the rest of the text as the body. The
+blank line separating the summary from the body is critical (unless
+you omit the body entirely); various tools like `log`, `shortlog`
+and `rebase` can get confused if you run the two together.
+
+Explain the problem that this commit is solving. Focus on why you
+are making this change as opposed to how (the code explains that).
+Are there side effects or other unintuitive consequenses of this
+change? Here's the place to explain them.
+
+Further paragraphs come after blank lines.
+
+ - Bullet points are okay, too
+
+ - Typically a hyphen or asterisk is used for the bullet, preceded
+   by a single space, with blank lines in between, but conventions
+   vary here
+
+If you use an issue tracker, put references to them at the bottom,
+like this:
+
+Fixes: #123
+See also: #456, #789
+
+This would automatically notify GitHub to close the issue once the PR
+is merged. Do not do this if the PR solves only a part of the issue.
+```