1'use strict'
2
3const vendors = require('./vendors.json')
4
5const env = process.env
6
7// Used for testing only
8Object.defineProperty(exports, '_vendors', {
9  value: vendors.map(function (v) {
10    return v.constant
11  })
12})
13
14exports.name = null
15exports.isPR = null
16
17vendors.forEach(function (vendor) {
18  const envs = Array.isArray(vendor.env) ? vendor.env : [vendor.env]
19  const isCI = envs.every(function (obj) {
20    return checkEnv(obj)
21  })
22
23  exports[vendor.constant] = isCI
24
25  if (!isCI) {
26    return
27  }
28
29  exports.name = vendor.name
30
31  switch (typeof vendor.pr) {
32    case 'string':
33      // "pr": "CIRRUS_PR"
34      exports.isPR = !!env[vendor.pr]
35      break
36    case 'object':
37      if ('env' in vendor.pr) {
38        // "pr": { "env": "BUILDKITE_PULL_REQUEST", "ne": "false" }
39        exports.isPR = vendor.pr.env in env && env[vendor.pr.env] !== vendor.pr.ne
40      } else if ('any' in vendor.pr) {
41        // "pr": { "any": ["ghprbPullId", "CHANGE_ID"] }
42        exports.isPR = vendor.pr.any.some(function (key) {
43          return !!env[key]
44        })
45      } else {
46        // "pr": { "DRONE_BUILD_EVENT": "pull_request" }
47        exports.isPR = checkEnv(vendor.pr)
48      }
49      break
50    default:
51      // PR detection not supported for this vendor
52      exports.isPR = null
53  }
54})
55
56exports.isCI = !!(
57  env.CI !== 'false' && // Bypass all checks if CI env is explicitly set to 'false'
58  (env.BUILD_ID || // Jenkins, Cloudbees
59  env.BUILD_NUMBER || // Jenkins, TeamCity
60  env.CI || // Travis CI, CircleCI, Cirrus CI, Gitlab CI, Appveyor, CodeShip, dsari
61  env.CI_APP_ID || // Appflow
62  env.CI_BUILD_ID || // Appflow
63  env.CI_BUILD_NUMBER || // Appflow
64  env.CI_NAME || // Codeship and others
65  env.CONTINUOUS_INTEGRATION || // Travis CI, Cirrus CI
66  env.RUN_ID || // TaskCluster, dsari
67  exports.name ||
68  false)
69)
70
71function checkEnv (obj) {
72  // "env": "CIRRUS"
73  if (typeof obj === 'string') return !!env[obj]
74
75  // "env": { "env": "NODE", "includes": "/app/.heroku/node/bin/node" }
76  if ('env' in obj) {
77    // Currently there are no other types, uncomment when there are
78    // if ('includes' in obj) {
79    return env[obj.env] && env[obj.env].includes(obj.includes)
80    // }
81  }
82  if ('any' in obj) {
83    return obj.any.some(function (k) {
84      return !!env[k]
85    })
86  }
87  return Object.keys(obj).every(function (k) {
88    return env[k] === obj[k]
89  })
90}
91