83 lines
3.6 KiB
Python
83 lines
3.6 KiB
Python
from gitlint.rules import CommitRule, RuleViolation, TitleRegexMatches, CommitMessageTitle, LineRule, CommitMessageBody
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from gitlint.options import IntOption, BoolOption, StrOption, ListOption
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import re
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"""
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The classes below are examples of user-defined CommitRules. Commit rules are gitlint rules that
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act on the entire commit at once. Once the rules are discovered, gitlint will automatically take care of applying them
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to the entire commit. This happens exactly once per commit.
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A CommitRule contrasts with a LineRule (see examples/my_line_rules.py) in that a commit rule is only applied once on
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an entire commit. This allows commit rules to implement more complex checks that span multiple lines and/or checks
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that should only be done once per gitlint run.
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While every LineRule can be implemented as a CommitRule, it's usually easier and more concise to go with a LineRule if
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that fits your needs.
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"""
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class BodyMaxLineCount(CommitRule):
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# A rule MUST have a human friendly name
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name = "body-max-line-count"
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# A rule MUST have an *unique* id, we recommend starting with UC (for User-defined Commit-rule).
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id = "UC1"
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# A rule MAY have an option_spec if its behavior should be configurable.
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options_spec = [IntOption('max-line-count', 3, "Maximum body line count")]
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def validate(self, commit):
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line_count = len(commit.message.body)
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max_line_count = self.options['max-line-count'].value
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if line_count > max_line_count:
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message = "Body contains too many lines ({0} > {1})".format(line_count, max_line_count)
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return [RuleViolation(self.id, message, line_nr=1)]
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class SignedOffBy(CommitRule):
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""" This rule will enforce that each commit contains a "Signed-Off-By" line.
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We keep things simple here and just check whether the commit body contains a line that starts with "Signed-Off-By".
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"""
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# A rule MUST have a human friendly name
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name = "body-requires-signed-off-by"
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# A rule MUST have an *unique* id, we recommend starting with UC (for User-defined Commit-rule).
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id = "UC2"
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def validate(self, commit):
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flags = re.UNICODE
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flags |= re.IGNORECASE
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for line in commit.message.body:
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if line.lower().startswith("signed-off-by"):
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if not re.search('(^)Signed-off-by: ([-\w.]+) ([-\w.]+) (.*)', line, flags=flags):
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return [RuleViolation(self.id, "Signed-off-by: must have a full name", line_nr=1)]
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else:
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return
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return [RuleViolation(self.id, "Body does not contain a 'Signed-Off-By' line", line_nr=1)]
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class TitleStartsWithSubsystem(LineRule):
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name = "title-starts-with-subsystem"
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id = "UC3"
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target = CommitMessageTitle
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options_spec = [StrOption('regex', ".*", "Regex the title should match")]
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def validate(self, title, _commit):
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regex = self.options['regex'].value
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pattern = re.compile(regex, re.UNICODE)
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violation_message = "Title does not follow <subsystem>: <subject>"
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if not pattern.search(title):
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return [RuleViolation(self.id, violation_message, title)]
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class MaxLineLengthExceptions(LineRule):
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name = "max-line-length-with-exceptions"
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id = "UC4"
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target = CommitMessageBody
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options_spec = [IntOption('line-length', 80, "Max line length")]
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violation_message = "Line exceeds max length ({0}>{1})"
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def validate(self, line, _commit):
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max_length = self.options['line-length'].value
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if len(line) > max_length and not line.startswith('Signed-off-by'):
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return [RuleViolation(self.id, self.violation_message.format(len(line), max_length), line)]
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