summaryrefslogtreecommitdiff
path: root/deps/npm/lib/unbuild.js
blob: f5efb1ee6d2ca86274efd35cf042c0d8283bd609 (plain)
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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
module.exports = unbuild
module.exports.rmStuff = rmStuff
unbuild.usage = 'npm unbuild <folder>\n(this is plumbing)'

var readJson = require('read-package-json')
var gentlyRm = require('./utils/gently-rm.js')
var npm = require('./npm.js')
var path = require('path')
var isInside = require('path-is-inside')
var lifecycle = require('./utils/lifecycle.js')
var asyncMap = require('slide').asyncMap
var chain = require('slide').chain
var log = require('npmlog')
var build = require('./build.js')

// args is a list of folders.
// remove any bins/etc, and then delete the folder.
function unbuild (args, silent, cb) {
  if (typeof silent === 'function') {
    cb = silent
    silent = false
  }
  asyncMap(args, unbuild_(silent), cb)
}

function unbuild_ (silent) {
  return function (folder, cb_) {
    function cb (er) {
      cb_(er, path.relative(npm.root, folder))
    }
    folder = path.resolve(folder)
    var base = isInside(folder, npm.prefix) ? npm.prefix : folder
    delete build._didBuild[folder]
    log.verbose('unbuild', folder.substr(npm.prefix.length + 1))
    readJson(path.resolve(folder, 'package.json'), function (er, pkg) {
      // if no json, then just trash it, but no scripts or whatever.
      if (er) return gentlyRm(folder, false, base, cb)
      chain(
        [
          [lifecycle, pkg, 'preuninstall', folder, false, true],
          [lifecycle, pkg, 'uninstall', folder, false, true],
          !silent && function (cb) {
            log.clearProgress()
            console.log('unbuild ' + pkg._id)
            log.showProgress()
            cb()
          },
          [rmStuff, pkg, folder],
          [lifecycle, pkg, 'postuninstall', folder, false, true],
          [gentlyRm, folder, false, base]
        ],
        cb
      )
    })
  }
}

function rmStuff (pkg, folder, cb) {
  // if it's global, and folder is in {prefix}/node_modules,
  // then bins are in {prefix}/bin
  // otherwise, then bins are in folder/../.bin
  var parent = pkg.name[0] === '@' ? path.dirname(path.dirname(folder)) : path.dirname(folder)
  var gnm = npm.dir
  var top = gnm === parent

  log.verbose('unbuild rmStuff', pkg._id, 'from', gnm)
  if (!top) log.verbose('unbuild rmStuff', 'in', parent)
  asyncMap([rmBins, rmMans], function (fn, cb) {
    fn(pkg, folder, parent, top, cb)
  }, cb)
}

function rmBins (pkg, folder, parent, top, cb) {
  if (!pkg.bin) return cb()
  var binRoot = top ? npm.bin : path.resolve(parent, '.bin')
  asyncMap(Object.keys(pkg.bin), function (b, cb) {
    if (process.platform === 'win32') {
      chain([ [gentlyRm, path.resolve(binRoot, b) + '.cmd', true, folder],
              [gentlyRm, path.resolve(binRoot, b), true, folder] ], cb)
    } else {
      gentlyRm(path.resolve(binRoot, b), true, folder, cb)
    }
  }, gentlyRmBinRoot)

  function gentlyRmBinRoot (err) {
    if (err || top) return cb(err)
    return gentlyRm(binRoot, true, parent, cb)
  }
}

function rmMans (pkg, folder, parent, top, cb) {
  if (!pkg.man ||
      !top ||
      process.platform === 'win32' ||
      !npm.config.get('global')) {
    return cb()
  }
  var manRoot = path.resolve(npm.config.get('prefix'), 'share', 'man')
  log.verbose('rmMans', 'man files are', pkg.man, 'in', manRoot)
  asyncMap(pkg.man, function (man, cb) {
    if (Array.isArray(man)) {
      man.forEach(rmMan)
    } else {
      rmMan(man)
    }

    function rmMan (man) {
      log.silly('rmMan', 'preparing to remove', man)
      var parseMan = man.match(/(.*\.([0-9]+)(\.gz)?)$/)
      if (!parseMan) {
        log.error(
          'rmMan', man, 'is not a valid name for a man file.',
          'Man files must end with a number, ' +
          'and optionally a .gz suffix if they are compressed.'
        )
        return cb()
      }

      var stem = parseMan[1]
      var sxn = parseMan[2]
      var gz = parseMan[3] || ''
      var bn = path.basename(stem)
      var manDest = path.join(
        manRoot,
        'man' + sxn,
        (bn.indexOf(pkg.name) === 0 ? bn : pkg.name + '-' + bn) + '.' + sxn + gz
      )
      gentlyRm(manDest, true, cb)
    }
  }, cb)
}