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diff --git a/docs/rules.md b/docs/rules.md new file mode 100644 index 0000000..a992f26 --- /dev/null +++ b/docs/rules.md @@ -0,0 +1,461 @@ +# Overview + +The table below shows an overview of all gitlint's built-in rules, with more specific details further down the page. + +Gitlint also has [community **contrib**uted rules](contrib_rules.md) which are not listed here as they're disabled by default. + +In addition, you can also [write your own user-defined rule](user_defined_rules.md) in case you don't find +what you're looking for. + + +| ID | Name | gitlint version | Description | +| --- | --------------------------- | --------------- | ------------------------------------------------------------------------------------------- | +| T1 | title-max-length | >= 0.1.0 | Title length must be <= 72 chars. | +| T2 | title-trailing-whitespace | >= 0.1.0 | Title cannot have trailing whitespace (space or tab) | +| T3 | title-trailing-punctuation | >= 0.1.0 | Title cannot have trailing punctuation (?:!.,;) | +| T4 | title-hard-tab | >= 0.1.0 | Title cannot contain hard tab characters (\t) | +| T5 | title-must-not-contain-word | >= 0.1.0 | Title cannot contain certain words (default: "WIP") | +| T6 | title-leading-whitespace | >= 0.4.0 | Title cannot have leading whitespace (space or tab) | +| T7 | title-match-regex | >= 0.5.0 | Title must match a given regex (default: None) | +| T8 | title-min-length | >= 0.14.0 | Title length must be >= 5 chars. | +| B1 | body-max-line-length | >= 0.1.0 | Lines in the body must be <= 80 chars | +| B2 | body-trailing-whitespace | >= 0.1.0 | Body cannot have trailing whitespace (space or tab) | +| B3 | body-hard-tab | >= 0.1.0 | Body cannot contain hard tab characters (\t) | +| B4 | body-first-line-empty | >= 0.1.0 | First line of the body (second line of commit message) must be empty | +| B5 | body-min-length | >= 0.4.0 | Body length must be at least 20 characters | +| B6 | body-is-missing | >= 0.4.0 | Body message must be specified | +| B7 | body-changed-file-mention | >= 0.4.0 | Body must contain references to certain files if those files are changed in the last commit | +| B8 | body-match-regex | >= 0.14.0 | Body must match a given regex (default: None) | +| M1 | author-valid-email | >= 0.9.0 | Author email address must be a valid email address | +| I1 | ignore-by-title | >= 0.10.0 | Ignore a commit based on matching its title | +| I2 | ignore-by-body | >= 0.10.0 | Ignore a commit based on matching its body | +| I3 | ignore-body-lines | >= 0.14.0 | Ignore certain lines in a commit body that match a regex | +| I4 | ignore-by-author-name | >= 0.16.0 | Ignore a commit based on matching its author name | + + + +## T1: title-max-length + +| ID | Name | gitlint version | Description | +| --- | ---------------- | --------------- | ------------------------------------ | +| T1 | title-max-length | >= 0.1 | Title length must be <= 72 chars. | + +### Options + +| Name | gitlint version | Default | Description | +| ----------- | --------------- | ------- | ---------------------------- | +| line-length | >= 0.2 | 72 | Maximum allowed title length | + +### Examples + +#### .gitlint + +```ini +# Titles should be max 72 chars +[title-max-length] +line-length=72 + +# It's the 21st century, titles can be 120 chars long +[title-max-length] +line-length=120 +``` +------------------------------------------------------------------------------------------------------------------------ + +## T2: title-trailing-whitespace + +| ID | Name | gitlint version | Description | +| --- | ------------------------- | --------------- | ---------------------------------------------------- | +| T2 | title-trailing-whitespace | >= 0.1 | Title cannot have trailing whitespace (space or tab) | + +------------------------------------------------------------------------------------------------------------------------ + +## T3: title-trailing-punctuation + +| ID | Name | gitlint version | Description | +| --- | -------------------------- | --------------- | ----------------------------------------------- | +| T3 | title-trailing-punctuation | >= 0.1 | Title cannot have trailing punctuation (?:!.,;) | + +------------------------------------------------------------------------------------------------------------------------ + +## T4: title-hard-tab + +| ID | Name | gitlint version | Description | +| --- | -------------- | --------------- | --------------------------------------------- | +| T4 | title-hard-tab | >= 0.1 | Title cannot contain hard tab characters (\t) | + +------------------------------------------------------------------------------------------------------------------------ + +## T5: title-must-not-contain-word + +| ID | Name | gitlint version | Description | +| --- | --------------------------- | --------------- | --------------------------------------------------- | +| T5 | title-must-not-contain-word | >= 0.1 | Title cannot contain certain words (default: "WIP") | + +### Options + +| Name | gitlint version | Default | Description | +| ----- | --------------- | ------- | ------------------------------------------------------------------------------------------------ | +| words | >= 0.3 | WIP | Comma-separated list of words that should not be used in the title. Matching is case insensitive | + +### Examples + +#### .gitlint + +```ini +# Ensure the title doesn't contain swear words +[title-must-not-contain-word] +words=crap,darn,damn +``` +------------------------------------------------------------------------------------------------------------------------ + +## T6: title-leading-whitespace + +| ID | Name | gitlint version | Description | +| --- | ------------------------ | --------------- | --------------------------------------------------- | +| T6 | title-leading-whitespace | >= 0.4 | Title cannot have leading whitespace (space or tab) | + +------------------------------------------------------------------------------------------------------------------------ + +## T7: title-match-regex + +| ID | Name | gitlint version | Description | +| --- | ----------------- | --------------- | -------------------------------------------- | +| T7 | title-match-regex | >= 0.5 | Title must match a given regex (default: .*) | + + +### Options + +| Name | gitlint version | Default | Description | +| ----- | --------------- | ------- | ------------------------------------------------------------------------------------ | +| regex | >= 0.5 | .* | [Python regex](https://docs.python.org/library/re.html) that the title should match. | + +### Examples + +#### .gitlint + +```ini +# Ensure every title starts with a user-story like US123 +[title-match-regex] +regex=^US[1-9][0-9]* +``` +------------------------------------------------------------------------------------------------------------------------ + +## T8: title-min-length ## + +| ID | Name | gitlint version | Description | +| --- | ---------------- | --------------- | ----------------------------------- | +| T8 | title-min-length | >= 0.14.0 | Title length must be >= 5 chars. | + + +### Options + +| Name | gitlint version | Default | Description | +| ---------- | --------------- | ------- | ----------------------------- | +| min-length | >= 0.14.0 | 5 | Minimum required title length | + +### Examples + +#### .gitlint + +```ini +# Titles should be min 3 chars +[title-min-length] +min-length=3 +``` +------------------------------------------------------------------------------------------------------------------------ + +## B1: body-max-line-length + +| ID | Name | gitlint version | Description | +| --- | -------------------- | --------------- | ---------------------------------------- | +| B1 | body-max-line-length | >= 0.1 | Lines in the body must be <= 80 chars | + +### Options + +| Name | gitlint version | Default | Description | +| ----------- | --------------- | ------- | ------------------------------------------------------ | +| line-length | >= 0.2 | 80 | Maximum allowed line length in the commit message body | + +### Examples + +#### .gitlint + +```ini +# It's the 21st century, lines can be 120 chars long +[body-max-line-length] +line-length=120 + +# Your tool prefers 72 +[body-max-line-length] +line-length=72 +``` +------------------------------------------------------------------------------------------------------------------------ + +## B2: body-trailing-whitespace + +| ID | Name | gitlint version | Description | +| --- | ------------------------ | --------------- | --------------------------------------------------- | +| B2 | body-trailing-whitespace | >= 0.1 | Body cannot have trailing whitespace (space or tab) | + +------------------------------------------------------------------------------------------------------------------------ + +## B3: body-hard-tab + +| ID | Name | gitlint version | Description | +| --- | ------------- | --------------- | -------------------------------------------- | +| B3 | body-hard-tab | >= 0.1 | Body cannot contain hard tab characters (\t) | + +------------------------------------------------------------------------------------------------------------------------ + +## B4: body-first-line-empty + +| ID | Name | gitlint version | Description | +| --- | --------------------- | --------------- | -------------------------------------------------------------------- | +| B4 | body-first-line-empty | >= 0.1 | First line of the body (second line of commit message) must be empty | + +------------------------------------------------------------------------------------------------------------------------ + +## B5: body-min-length + +| ID | Name | gitlint version | Description | +| --- | --------------- | --------------- | ------------------------------------------------------------------------------------------------------------ | +| B5 | body-min-length | >= 0.4 | Body length must be at least 20 characters. In versions >= 0.8.0, gitlint will not count newline characters. | + +### Options ### + +| Name | gitlint version | Default | Description | +| ---------- | --------------- | ------- | --------------------------------------------- | +| min-length | >= 0.4 | 20 | Minimum number of required characters in body | + +### Examples + +#### .gitlint + +```ini +# You want *something* in every commit body, but doesn't have to be as long as 20 chars. +[body-min-length] +min-length=5 + +# You want a more elaborate message in every commit body +[body-min-length] +min-length=100 +``` +------------------------------------------------------------------------------------------------------------------------ + +## B6: body-is-missing + +| ID | Name | gitlint version | Description | +| --- | --------------- | --------------- | ------------------------------ | +| B6 | body-is-missing | >= 0.4 | Body message must be specified | + + +### Options + +| Name | gitlint version | Default | Description | +| -------------------- | --------------- | ------- | ------------------------------------------------------------------------------------- | +| ignore-merge-commits | >= 0.4 | true | Whether this rule should be ignored during merge commits. Allowed values: true,false. | + +------------------------------------------------------------------------------------------------------------------------ + +## B7: body-changed-file-mention + +| ID | Name | gitlint version | Description | +| --- | ------------------------- | --------------- | ------------------------------------------------------------------------------------------- | +| B7 | body-changed-file-mention | >= 0.4 | Body must contain references to certain files if those files are changed in the last commit | + +### Options + +| Name | gitlint version | Default | Description | +| ----- | --------------- | ------- | -------------------------------------------------------------------------------------------------------------- | +| files | >= 0.4 | (empty) | Comma-separated list of files that need to an explicit mention in the commit message in case they are changed. | + +### Examples + +#### .gitlint + +```ini +# Prevent that certain sensitive files are committed by mistake by forcing +# users to mention them explicitly if they're deliberately changing them +[body-changed-file-mention] +files=generated.xml,secrets.txt,private-key.pem +``` +------------------------------------------------------------------------------------------------------------------------ + +## B8: body-match-regex + +| ID | Name | gitlint version | Description | +| --- | ---------------- | --------------- | ----------------------------- | +| B8 | body-match-regex | >= 0.14 | Body must match a given regex | + +### Options + +| Name | gitlint version | Default | Description | +| ----- | --------------- | ------- | ----------------------------------------------------------------------------------- | +| regex | >= 0.14 | None | [Python regex](https://docs.python.org/library/re.html) that the body should match. | + +### Examples + +#### .gitlint + +```ini +# Ensure the body ends with Reviewed-By: <some value> +[body-match-regex] +regex=Reviewed-By:(.*)$ + +# Ensure body contains the word "Foo" somewhere +[body-match-regex] +regex=(*.)Foo(.*) +``` +------------------------------------------------------------------------------------------------------------------------ + +## M1: author-valid-email + +| ID | Name | gitlint version | Description | +| --- | ------------------ | --------------- | -------------------------------------------------- | +| M1 | author-valid-email | >= 0.8.3 | Author email address must be a valid email address | + +!!! note + Email addresses are [notoriously hard to validate and the official email valid spec is often too loose for any real world application](http://stackoverflow.com/a/201378/381010). + Gitlint by default takes a pragmatic approach and requires users to enter email addresses that contain a name, domain and tld and has no spaces. + + + +### Options + +| Name | gitlint version | Default | Description | +| ----- | --------------- | ----------------------- | ---------------------------------------------------------------------------------------------------------- | +| regex | >= 0.9.0 | `[^@ ]+@[^@ ]+\.[^@ ]+` | [Python regex](https://docs.python.org/library/re.html) the commit author email address is matched against | + + +### Examples + +#### .gitlint + +```ini +# Only allow email addresses from a foo.com domain +[author-valid-email] +regex=[^@]+@foo.com +``` +------------------------------------------------------------------------------------------------------------------------ + +## I1: ignore-by-title + +| ID | Name | gitlint version | Description | +| --- | --------------- | --------------- | -------------------------------------------- | +| I1 | ignore-by-title | >= 0.10.0 | Ignore a commit based on matching its title. | + + +### Options + +| Name | gitlint version | Default | Description | +| ------ | --------------- | ------- | ---------------------------------------------------------------------------------------------------------------------------- | +| regex | >= 0.10.0 | None | [Python regex](https://docs.python.org/library/re.html) to match against commit title. On match, the commit will be ignored. | +| ignore | >= 0.10.0 | all | Comma-separated list of rule names or ids to ignore when this rule is matched. | + +### Examples + +#### .gitlint + +```ini +# Match commit titles starting with Release +# For those commits, ignore title-max-length and body-min-length rules +[ignore-by-title] +regex=^Release(.*) +ignore=title-max-length,body-min-length +# ignore all rules by setting ignore to 'all' +# ignore=all +``` +------------------------------------------------------------------------------------------------------------------------ + +## I2: ignore-by-body + +| ID | Name | gitlint version | Description | +| --- | -------------- | --------------- | ------------------------------------------- | +| I2 | ignore-by-body | >= 0.10.0 | Ignore a commit based on matching its body. | + + +### Options + +| Name | gitlint version | Default | Description | +| ------ | --------------- | ------- | ------------------------------------------------------------------------------------------------------------------------------------- | +| regex | >= 0.10.0 | None | [Python regex](https://docs.python.org/library/re.html) to match against each line of the body. On match, the commit will be ignored. | +| ignore | >= 0.10.0 | all | Comma-separated list of rule names or ids to ignore when this rule is matched. | + +### Examples + +#### .gitlint + +```ini +# Ignore all commits with a commit message body with a line that contains 'release' +[ignore-by-body] +regex=(.*)release(.*) +ignore=all + +# For matching commits, only ignore rules T1, body-min-length, B6. +# You can use both names as well as ids to refer to other rules. +[ignore-by-body] +regex=(.*)release(.*) +ignore=T1,body-min-length,B6 +``` +------------------------------------------------------------------------------------------------------------------------ + +## I3: ignore-body-lines + +| ID | Name | gitlint version | Description | +| --- | ----------------- | --------------- | --------------------------------------------------------- | +| I3 | ignore-body-lines | >= 0.14.0 | Ignore certain lines in a commit body that match a regex. | + + +### Options + +| Name | gitlint version | Default | Description | +| ----- | --------------- | ------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | +| regex | >= 0.14.0 | None | [Python regex](https://docs.python.org/library/re.html) to match against each line of the body. On match, that line will be ignored by gitlint (the rest of the body will still be linted). | + +### Examples + +#### .gitlint + +```ini +# Ignore all lines that start with 'Co-Authored-By' +[ignore-body-lines] +regex=^Co-Authored-By + +# Ignore lines that start with 'Co-Authored-By' or with 'Signed-off-by' +[ignore-body-lines] +regex=(^Co-Authored-By)|(^Signed-off-by) + +# Ignore lines that contain 'foobar' +[ignore-body-lines] +regex=(.*)foobar(.*) +``` +------------------------------------------------------------------------------------------------------------------------ + +## I4: ignore-by-author-name + +| ID | Name | gitlint version | Description | +| --- | --------------------- | --------------- | -------------------------------------------------- | +| I4 | ignore-by-author-name | >= 0.16.0 | Ignore a commit based on matching its author name. | + +### Options + +| Name | gitlint version | Default | Description | +| ------ | --------------- | ------- | -------------------------------------------------------------------------------------------------------------------------------------- | +| regex | >= 0.16.0 | None | [Python regex](https://docs.python.org/library/re.html) to match against the commit author name. On match, the commit will be ignored. | +| ignore | >= 0.16.0 | all | Comma-separated list of rule names or ids to ignore when this rule is matched. | + +### Examples + +#### .gitlint + +```ini +# Ignore all commits authored by dependabot +[ignore-by-author-name] +regex=dependabot + +# For commits made by anyone with "[bot]" in their name, ignore +# rules T1, body-min-length and B6 +[ignore-by-author-name] +regex=(.*)\[bot\](.*) +ignore=T1,body-min-length,B6 +``` |