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GitCommitExtractor - Extracts every commit of a Git repository into folders of the repository at that commit's stage
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| // Usage: | |
| // node --no-warnings --loader ts-node/esm gitcex.ts <REPOSITORY_GIT_URL> | |
| // pass 'local' on <REPOSITORY_GIT_URL> to use an already fetched repository on ./repository folder. | |
| // | |
| //! WARNING: Very disk-intensive and disk space consuming for large repositories. | |
| import fs from 'fs'; | |
| import { execSync as exec } from 'child_process'; | |
| const argv = process.argv.slice(2); | |
| if (fs.existsSync('commits')) fs.rmSync('commits', { recursive: true }); | |
| fs.mkdirSync('commits'); | |
| const USE_LOCAL_REPO = argv[0] === 'local'; | |
| if (!USE_LOCAL_REPO) { | |
| const REPOSITORY_URL = argv[0]; | |
| if (fs.existsSync('repository')) fs.rmSync('repository', { recursive: true }); | |
| exec(`git clone ${REPOSITORY_URL} repository`); | |
| } | |
| const gitlog = exec('git --no-pager log --no-merges --oneline', { | |
| cwd: './repository' | |
| }).toString('utf8').split('\n').slice(0, -1).map(commit => { | |
| const [hash, ...msg] = commit.split(' '); | |
| return [hash, msg.join(' ')]; | |
| }); | |
| for (const [hash, msg] of gitlog) { | |
| console.log(`Extracting commit ${hash}: ${msg}`); | |
| fs.cpSync(`./repository`, `./commits/${hash}`, { recursive: true }); | |
| exec(`git checkout ${hash}`, { cwd: `./commits/${hash}` }); | |
| const fullhash = exec(`git rev-parse ${hash}`, { cwd: `./repository` }).toString('utf8').trim(); | |
| fs.writeFileSync(`./commits/${hash}/commit.txt`, `${fullhash}\n${msg}\n`); | |
| } | |
| console.log(`${gitlog.length} commits extracted.`); |
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