esp-idf/.gitlab/dangerjs/mrCommitsCommitMessage.js

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const {
minimumSummaryChars,
maximumSummaryChars,
maximumBodyLineChars,
allowedTypes,
} = require("./mrCommitsConstants.js");
/**
* Check that commit messages are based on the Espressif ESP-IDF project's rules for git commit messages.
*
* @dangerjs WARN
*/
module.exports = async function () {
const mrCommits = danger.gitlab.commits;
const lint = require("@commitlint/lint").default;
const lintingRules = {
// rule definition: [(0-1 = off/on), (always/never = must be/mustn't be), (value)]
"body-max-line-length": [1, "always", maximumBodyLineChars], // Max length of the body line
"footer-leading-blank": [1, "always"], // Always have a blank line before the footer section
"footer-max-line-length": [1, "always", maximumBodyLineChars], // Max length of the footer line
"subject-max-length": [1, "always", maximumSummaryChars], // Max length of the "Summary"
"subject-min-length": [1, "always", minimumSummaryChars], // Min length of the "Summary"
"scope-case": [1, "always", "lower-case"], // "scope/component" must start with lower-case
"subject-full-stop": [1, "never", "."], // "Summary" must not end with a full stop (period)
"subject-empty": [1, "never"], // "Summary" is mandatory
"type-case": [1, "always", "lower-case"], // "type/action" must start with lower-case
"type-empty": [1, "never"], // "type/action" is mandatory
"type-enum": [1, "always", allowedTypes], // "type/action" must be one of the allowed types
"body-leading-blank": [1, "always"], // Always have a blank line before the body section
};
// Switcher for AI suggestions (for poor messages)
let generateAISuggestion = false;
// Search for the messages in each commit
let issuesAllCommitMessages = [];
for (const commit of mrCommits) {
const commitMessage = commit.message;
const commitMessageTitle = commit.title;
let issuesSingleCommitMessage = [];
let reportSingleCommitMessage = "";
// Check if the commit message contains any Jira ticket references
const jiraTicketRegex = /[A-Z0-9]+-[0-9]+/g;
const jiraTicketMatches = commitMessage.match(jiraTicketRegex);
if (jiraTicketMatches) {
const jiraTicketNames = jiraTicketMatches.join(", ");
issuesSingleCommitMessage.push(
`- probably contains Jira ticket reference (\`${jiraTicketNames}\`). Please remove Jira tickets from commit messages.`
);
}
// Lint commit messages with @commitlint (Conventional Commits style)
const result = await lint(commit.message, lintingRules);
for (const warning of result.warnings) {
// Custom messages for each rule with terminology used by Espressif conventional commits guide
switch (warning.name) {
case "subject-max-length":
issuesSingleCommitMessage.push(
`- *summary* appears to be too long`
);
break;
case "type-empty":
issuesSingleCommitMessage.push(
`- *type/action* looks empty`
);
break;
case "type-case":
issuesSingleCommitMessage.push(
`- *type/action* should start with a lowercase letter`
);
break;
case "scope-empty":
issuesSingleCommitMessage.push(
`- *scope/component* looks empty`
);
break;
case "scope-case":
issuesSingleCommitMessage.push(
`- *scope/component* should be lowercase without whitespace, allowed special characters are \`_\` \`/\` \`.\` \`,\` \`*\` \`-\` \`.\``
);
break;
case "subject-empty":
issuesSingleCommitMessage.push(`- *summary* looks empty`);
generateAISuggestion = true;
break;
case "subject-min-length":
issuesSingleCommitMessage.push(
`- *summary* looks too short`
);
generateAISuggestion = true;
break;
case "subject-case":
issuesSingleCommitMessage.push(
`- *summary* should start with a capital letter`
);
break;
case "subject-full-stop":
issuesSingleCommitMessage.push(
`- *summary* should not end with a period (full stop)`
);
break;
case "type-enum":
issuesSingleCommitMessage.push(
`- *type/action* should be one of [${allowedTypes
.map((type) => `\`${type}\``)
.join(", ")}]`
);
break;
default:
issuesSingleCommitMessage.push(`- ${warning.message}`);
}
}
if (issuesSingleCommitMessage.length) {
reportSingleCommitMessage = `- the commit message \`"${commitMessageTitle}"\`:\n${issuesSingleCommitMessage
.map((message) => ` ${message}`) // Indent each issue by 2 spaces
.join("\n")}`;
issuesAllCommitMessages.push(reportSingleCommitMessage);
}
}
// Create report
if (issuesAllCommitMessages.length) {
issuesAllCommitMessages.sort();
const basicTips = [
`- correct format of commit message should be: \`<type/action>(<scope/component>): <summary>\`, for example \`fix(esp32): Fixed startup timeout issue\``,
`- allowed types are: \`${allowedTypes}\``,
`- sufficiently descriptive message summary should be between ${minimumSummaryChars} to ${maximumSummaryChars} characters and start with upper case letter`,
`- avoid Jira references in commit messages (unavailable/irrelevant for our customers)`,
`- follow this [commit messages guide](${process.env.DANGER_GITLAB_HOST}/espressif/esp-idf/-/wikis/dev-proc/Commit-messages)`,
];
let dangerMessage = `\n**Some issues found for the commit messages in this MR:**\n${issuesAllCommitMessages.join(
"\n"
)}
\n***
\n**Please consider updating these commit messages** - here are some basic tips:\n${basicTips.join(
"\n"
)}
\n \`TIP:\` You can install commit-msg pre-commit hook (\`pre-commit install -t pre-commit -t commit-msg\`) to run this check when committing.
\n***
`;
if (generateAISuggestion) {
// Create AI generated suggestion for git commit message based of gitDiff and current commit messages
const AImessageSuggestion =
await require("./aiGenerateGitMessage.js")();
dangerMessage += AImessageSuggestion;
}
warn(dangerMessage);
}
};