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
132
133
134
135
136
137
138
139
140
141
142
143
|
'use strict'
var validate = require('aproba')
var chain = require('slide').chain
var asyncMap = require('slide').asyncMap
var limit = require('call-limit')
var iferr = require('iferr')
var npm = require('../npm.js')
var andFinishTracker = require('./and-finish-tracker.js')
var andAddParentToErrors = require('./and-add-parent-to-errors.js')
var failedDependency = require('./deps.js').failedDependency
var moduleName = require('../utils/module-name.js')
var reportOptionalFailure = require('./report-optional-failure.js')
var isInstallable = require('./validate-args.js').isInstallable
var actions = {}
actions.fetch = require('./action/fetch.js')
actions.extract = require('./action/extract.js')
actions.build = require('./action/build.js')
actions.preinstall = require('./action/preinstall.js')
actions.install = require('./action/install.js')
actions.postinstall = require('./action/postinstall.js')
actions.prepare = require('./action/prepare.js')
actions.finalize = require('./action/finalize.js')
actions.remove = require('./action/remove.js')
actions.move = require('./action/move.js')
actions['update-linked'] = require('./action/update-linked.js')
actions['global-install'] = require('./action/global-install.js')
actions['global-link'] = require('./action/global-link.js')
// FIXME: We wrap actions like three ways to sunday here.
// Rewrite this to only work one way.
Object.keys(actions).forEach(function (actionName) {
var action = actions[actionName]
actions[actionName] = limit(function (staging, pkg, log, next) {
// top, buildpath, pkg, log
validate('SOOF', arguments)
// refuse to run actions for failed packages
if (pkg.failed) return next()
if (action.rollback) {
if (!pkg.rollback) pkg.rollback = []
pkg.rollback.unshift(action.rollback)
}
if (action.commit) {
if (!pkg.commit) pkg.commit = []
pkg.commit.push(action.commit)
}
if (pkg.knownInstallable) {
return thenRunAction()
} else {
return isInstallable(pkg.package, iferr(andDone(next), andMarkInstallable(thenRunAction)))
}
function andMarkInstallable (cb) {
return function () {
pkg.knownInstallable = true
cb()
}
}
function thenRunAction () {
action(staging, pkg, log, andDone(next))
}
function andDone (cb) {
return andFinishTracker(log, andAddParentToErrors(pkg.parent, andHandleOptionalDepErrors(pkg, cb)))
}
}, npm.limit.action)
})
function markAsFailed (pkg) {
pkg.failed = true
pkg.requires.forEach(function (req) {
req.requiredBy = req.requiredBy.filter(function (reqReqBy) { return reqReqBy !== pkg })
if (req.requiredBy.length === 0 && !req.userRequired && !req.existing) {
markAsFailed(req)
}
})
}
function andHandleOptionalDepErrors (pkg, next) {
return function (er) {
if (!er) return next.apply(null, arguments)
markAsFailed(pkg)
var anyFatal = pkg.userRequired || pkg.isTop
for (var ii = 0; ii < pkg.requiredBy.length; ++ii) {
var parent = pkg.requiredBy[ii]
var isFatal = failedDependency(parent, pkg)
if (isFatal) anyFatal = true
}
if (anyFatal) return next.apply(null, arguments)
reportOptionalFailure(pkg, null, er)
next()
}
}
function prepareAction (staging, log) {
validate('SO', arguments)
return function (action) {
validate('SO', action)
var cmd = action[0]
var pkg = action[1]
if (!actions[cmd]) throw new Error('Unknown decomposed command "' + cmd + '" (is it new?)')
return [actions[cmd], staging, pkg, log.newGroup(cmd + ':' + moduleName(pkg))]
}
}
exports.actions = actions
function execAction (todo, done) {
validate('AF', arguments)
var cmd = todo.shift()
todo.push(done)
cmd.apply(null, todo)
}
exports.doOne = function (cmd, staging, pkg, log, next) {
validate('SSOOF', arguments)
execAction(prepareAction(staging, log)([cmd, pkg]), next)
}
exports.doSerial = function (type, staging, actionsToRun, log, next) {
validate('SSAOF', arguments)
actionsToRun = actionsToRun
.filter(function (value) { return value[0] === type })
log.silly('doSerial', '%s %d', type, actionsToRun.length)
chain(actionsToRun.map(prepareAction(staging, log)), andFinishTracker(log, next))
}
exports.doReverseSerial = function (type, staging, actionsToRun, log, next) {
validate('SSAOF', arguments)
actionsToRun = actionsToRun
.filter(function (value) { return value[0] === type })
.reverse()
log.silly('doReverseSerial', '%s %d', type, actionsToRun.length)
chain(actionsToRun.map(prepareAction(staging, log)), andFinishTracker(log, next))
}
exports.doParallel = function (type, staging, actionsToRun, log, next) {
validate('SSAOF', arguments)
actionsToRun = actionsToRun.filter(function (value) { return value[0] === type })
log.silly('doParallel', type + ' ' + actionsToRun.length)
asyncMap(actionsToRun.map(prepareAction(staging, log)), execAction, andFinishTracker(log, next))
}
|
