Spaces:
Sleeping
Sleeping
File size: 2,465 Bytes
cdb0d23 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 |
module.exports = version;
module.exports.pin = pin;
var fs = require('fs');
var path = require('path');
var exec = require('child_process').exec;
var root = null;
function pin() {
return version().then(function (v) {
version.pinned = v;
});
}
function version(callback) {
// first find the package.json as this will be our root
var promise = findPackage(path.dirname(module.parent.filename))
.then(function (dir) {
// now try to load the package
var v = require(path.resolve(dir, 'package.json')).version;
if (v && v !== '0.0.0-development') {
return v;
}
root = dir;
// else we're in development, give the commit out
// get the last commit and whether the working dir is dirty
var promises = [
branch().catch(function () { return 'master'; }),
commit().catch(function () { return '<none>'; }),
dirty().catch(function () { return 0; }),
];
// use the cached result as the export
return Promise.all(promises).then(function (res) {
var branch = res[0];
var commit = res[1];
var dirtyCount = parseInt(res[2], 10);
var curr = branch + ': ' + commit;
if (dirtyCount !== 0) {
curr += ' (' + dirtyCount + ' dirty files)';
}
return curr;
});
}).catch(function (error) {
console.log(error.stack);
throw error;
});
if (callback) {
promise.then(function (res) {
callback(null, res);
}, callback);
}
return promise;
}
function findPackage(dir) {
if (dir === '/') {
return Promise.reject(new Error('package not found'));
}
return new Promise(function (resolve) {
fs.stat(path.resolve(dir, 'package.json'), function (error, exists) {
if (error || !exists) {
return resolve(findPackage(path.resolve(dir, '..')));
}
resolve(dir);
});
});
}
function command(cmd) {
return new Promise(function (resolve, reject) {
exec(cmd, { cwd: root }, function (err, stdout, stderr) {
var error = stderr.trim();
if (error) {
return reject(new Error(error));
}
resolve(stdout.split('\n').join(''));
});
});
}
function commit() {
return command('git rev-parse HEAD');
}
function branch() {
return command('git rev-parse --abbrev-ref HEAD');
}
function dirty() {
return command('expr $(git status --porcelain 2>/dev/null| ' +
'egrep "^(M| M)" | wc -l)');
}
|