36 lines
1.1 KiB
JavaScript
36 lines
1.1 KiB
JavaScript
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'use strict';
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var log = require('fancy-log');
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var exec = require('child_process').exec;
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/*
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great examples:
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`git rev-parse HEAD`: get current git hash
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`git rev-parse --short HEAD`: get short git hash
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`git rev-parse --abbrev-ref HEAD`: get current branch name
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`git rev-parse --show-toplevel`: working directory path
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see https://www.kernel.org/pub/software/scm/git/docs/git-rev-parse.html
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*/
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module.exports = function (opt, cb) {
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if (!cb && typeof opt === 'function') {
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// optional options
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cb = opt;
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opt = {};
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}
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if (!cb || typeof cb !== 'function') cb = function () {};
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if (!opt) opt = {};
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if (!opt.args) opt.args = ' '; // it will likely not give you what you want
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if (!opt.cwd) opt.cwd = process.cwd();
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var maxBuffer = opt.maxBuffer || 200 * 1024;
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var cmd = 'git rev-parse ' + opt.args;
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return exec(cmd, {cwd: opt.cwd, maxBuffer: maxBuffer}, function(err, stdout, stderr) {
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if (err) return cb(err);
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if (stdout) stdout = stdout.trim(); // Trim trailing cr-lf
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if (!opt.quiet) log(stdout, stderr);
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cb(err, stdout); // return stdout to the user
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});
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};
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