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var semver = require('semver');
var which = require('which');
var fs = require('../util/fs');
var path = require('path');
var Q = require('q');
var execFile = require('child_process').execFile;
var Project = require('../core/Project');
var defaultConfig = require('../config');
var createError = require('../util/createError');
function version(logger, versionArg, options, config) {
var project;
options = options || {};
config = defaultConfig(config);
project = new Project(config, logger);
return bump(project, versionArg, options.message);
}
function bump(project, versionArg, message) {
var cwd = project._config.cwd || process.cwd();
var newVersion;
var doGitCommit = false;
return checkGit(cwd)
.then(function (hasGit) {
doGitCommit = hasGit;
})
.then(project.getJson.bind(project))
.then(function (json) {
newVersion = getNewVersion(json.version, versionArg);
json.version = newVersion;
})
.then(project.saveJson.bind(project))
.then(function () {
if (doGitCommit) {
return gitCommitAndTag(cwd, newVersion, message);
}
})
.then(function () {
console.log('v' + newVersion);
return newVersion;
});
}
function getNewVersion(currentVersion, versionArg) {
var newVersion = semver.valid(versionArg);
if (!newVersion) {
newVersion = semver.inc(currentVersion, versionArg);
}
if (!newVersion) {
throw createError('Invalid version argument: `' + versionArg + '`. Usage: `bower version [<newversion> | major | minor | patch]`', 'EINVALIDVERSION');
}
if (currentVersion === newVersion) {
throw createError('Version not changed', 'EVERSIONNOTCHANGED');
}
return newVersion;
}
function checkGit(cwd) {
var gitDir = path.join(cwd, '.git');
return Q.nfcall(fs.stat, gitDir)
.then(function (stat) {
if (stat.isDirectory()) {
return checkGitStatus(cwd);
}
return false;
}, function () {
//Ignore not found .git directory
return false;
});
}
function checkGitStatus(cwd) {
return Q.nfcall(which, 'git')
.fail(function (err) {
err.code = 'ENOGIT';
throw err;
})
.then(function () {
return Q.nfcall(execFile, 'git', ['status', '--porcelain'], {env: process.env, cwd: cwd});
})
.then(function (value) {
var stdout = value[0];
var lines = filterModifiedStatusLines(stdout);
if (lines.length) {
throw createError('Git working directory not clean.\n' + lines.join('\n'), 'EWORKINGDIRECTORYDIRTY');
}
return true;
});
}
function filterModifiedStatusLines(stdout) {
return stdout.trim().split('\n')
.filter(function (line) {
return line.trim() && !line.match(/^\?\? /);
}).map(function (line) {
return line.trim();
});
}
function gitCommitAndTag(cwd, newVersion, message) {
var tag = 'v' + newVersion;
message = message || tag;
message = message.replace(/%s/g, newVersion);
return Q.nfcall(execFile, 'git', ['add', 'bower.json'], {env: process.env, cwd: cwd})
.then(function () {
return Q.nfcall(execFile, 'git', ['commit', '-m', message], {env: process.env, cwd: cwd});
})
.then(function () {
return Q.nfcall(execFile, 'git', ['tag', tag, '-am', message], {env: process.env, cwd: cwd});
});
}
// -------------------
version.readOptions = function (argv) {
var cli = require('../util/cli');
var options = cli.readOptions({
'message': { type: String, shorthand: 'm'}
}, argv);
return [options.argv.remain[1], options];
};
module.exports = version;
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