feat: add team city support

ci-services/teamcity.js

@@ -0,0 +1,35 @@
+const gitHelpers = require('../lib/git-helpers')
+
+const env = process.env
+
+/**
+ * In order for this to work with Team City, the build configuration needs to set
+ * the following environment variables:
+ *
+ * - VCS_ROOT_URL from the vcsroot.<vcsrootid>.url parameter
+ * - VCS_ROOT_BRANCH from the teamcity.build.branch parameter
+ */
+
+/**
+ * Is the current branch a pull request
+ */
+function isPullRequest () {
+  return /.+\/merge|head/.test(env.VCS_ROOT_BRANCH)
+}
+
+/**
+ * Should the lockfile be uploaded
+ */
+function shouldUpload () {
+  const re = /^(chore|fix)\(package\): update lockfile|([^ ]+ to version).*$/mi
+  const lastCommitMessage = gitHelpers.getLastCommitMessage()
+  return re.test(lastCommitMessage)
+}
+
+module.exports = {
+  repoSlug: gitHelpers.getRepoSlug(env.VCS_ROOT_URL),
+  branchName: env.VCS_ROOT_BRANCH,
+  firstPush: shouldUpload(),
+  correctBuild: !isPullRequest(),
+  uploadBuild: shouldUpload()
+}

ci-services/tests.js

@@ -10,5 +10,6 @@ module.exports = {
   wercker: () => env.WERCKER === 'true',
   codeship: () => env.CI_NAME === 'codeship',
   bitrise: () => env.CI === 'true' && env.BITRISE_BUILD_NUMBER !== undefined,
-  semaphoreci: () => env.SEMAPHORE === 'true'
+  semaphoreci: () => env.SEMAPHORE === 'true',
+  teamcity: () => env.TEAMCITY_VERSION !== undefined
 }

lib/git-helpers.js

@@ -14,6 +14,9 @@ module.exports = {
       ).toString()
     )
   },
+  getLastCommitMessage: function getLastCommitMessage () {
+    return exec('git log --format=%B -1').toString()
+  },
   getRepoSlug: function getRepoSlug (githubUrl) {
     var ghRegex = /\S+[:|/](\w+(?:[-]\w+)*)\/(\w+(?:[-]\w+)*)/g
     var parsed = ghRegex.exec(githubUrl)