git-tag/index.js

simply command 'git tag' wrapper

// git-tag

var fs = require('fs')
var exec = require('child_process').exec
var semver = require('semver')

var callback = function(cb, err, res) {
  if (typeof cb !== 'function') return
  cb.length === 2 ? cb(err, res) : cb(res)
}

module.exports = function(options) {
  options = options || {}

  var get = function () {
    var cb;
    var args = "";
    if (arguments.length <= 1) {
      cb = arguments[0];
    } else {
      cb = arguments[1];
      args = arguments[0];
    }
    if (options.dir) {
      var cmd = 'git -C ' + options.dir + ' tag -l ' + args
    } else {
      var cmd = 'git tag -l ' + args
    }
    if (!options.localOnly) {
      if (options.dir) {
        cmd = 'git -C ' + options.dir + ' pull origin --tags ' + args + ";" + cmd
      } else {
        cmd = 'git pull origin --tags ' + args + ";" + cmd
      }
    }
    exec(cmd, function (err, res) {
      if (err) return callback(cb, err, [])
      res = res.replace(/^\s+|\s+$/g, '').split(/\n/)
      try {
        res = res.sort(semver.compare)
      } catch (e) { }
      callback(cb, err, res)
    })
  }

  var create = function(name, msg, cb) {
    msg = typeof msg === 'string' ? msg : ''
    
    if (options.dir) {
      var cmd = 'git -C '+options.dir+' tag -a ' + name + ' -m "' + msg + '"'
    }else{
      var cmd = 'git tag -a ' + name + ' -m "' + msg + '"'
    }
    if (!options.localOnly) {
      
      if (options.dir) {
        cmd += '; git -C '+options.dir+' push origin --tags'
      }else{
        cmd += '; git push origin --tags'
      }  
    }
    exec(cmd, function(err){
      callback(cb, err, name)
    })
  }

  var remove = function(name, cb) {
    
    if (options.dir) {
      var cmd = 'git -C '+options.dir+' tag -d ' + name
    }else{
      var cmd = 'git tag -d ' + name
    }
    if (!options.localOnly) {
      if (options.dir) {
        cmd += '; git -C '+options.dir+' push origin :refs/tags/' + name
      }else{
        cmd += '; git push origin :refs/tags/' + name
      }
    }
    exec(cmd, function(err){
      callback(cb, err, name)
    })
  }

  var Tag = {
    create: create,
    remove: remove,
    all: get,
    latest: function(cb) {
      exec('git describe --abbrev=0 --tags', function(err, res){
        callback(cb, err, res.trim())
      })
    }
  }
  return Tag
}