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() => fetch({name: 'source', url: `https://github.com/${PR_SLUG}.git`})\n\t\t\t: async () => {}\n\t]);\n\n\t// Restore stashed changes if any\n\tawait pop();\n\n\t// Lint all commits in TRAVIS_COMMIT_RANGE if available\n\tif (IS_PR && RANGE) {\n\t\tconst [start, end] = RANGE.split('.').filter(Boolean);\n\t\tawait lint(['--from', start, '--to', end]);\n\t} else {\n\t\tconst input = await log(COMMIT);\n\t\tawait lint([], {input});\n\t}\n}\n\nasync function git(args, options) {\n\treturn execa(GIT, args, Object.assign({}, {stdio: 'inherit'}, options));\n}\n\nasync function fetch({name, url}) {\n\tawait git(['remote', 'add', name, url]);\n\tawait git(['fetch', name, '--quiet']);\n}\n\nasync function isClean() {\n\tconst result = await git(['status', '--porcelain'], {\n\t\tstdio: ['pipe', 'pipe', 'pipe']\n\t});\n\treturn !(result.stdout && result.stdout.trim());\n}\n\nasync function lint(args, options) {\n\treturn execa(\n\t\tCOMMITLINT || commitlint,\n\t\targs,\n\t\tObject.assign({}, {stdio: ['pipe', 'inherit', 'inherit']}, options)\n\t);\n}\n\nasync function log(hash) {\n\tconst result = await execa('git', [\n\t\t'log',\n\t\t'-n',\n\t\t'1',\n\t\t'--pretty=format:%B',\n\t\thash\n\t]);\n\treturn result.stdout;\n}\n\nasync function stash() {\n\tif (await isClean()) {\n\t\treturn async () => {};\n\t}\n\tawait git(['stash', '-k', '-u', '--quiet']);\n\treturn () => git(['stash', 'pop', '--quiet']);\n}\n\nfunction validate() {\n\tif (process.env.CI !== 'true' || process.env.TRAVIS !== 'true') {\n\t\tthrow new Error(\n\t\t\t`@commitlint/travis-cli is intended to be used on Travis CI`\n\t\t);\n\t}\n\n\tconst missing = REQUIRED.filter(envVar => !(envVar in process.env));\n\n\tif (missing.length > 0) {\n\t\tconst stanza = missing.length > 1 ? 'they were not' : 'it was not';\n\t\tthrow new Error(\n\t\t\t`Expected ${missing.join(', ')} to be defined globally, ${stanza}.`\n\t\t);\n\t}\n}\n"]} |