Distinguish CI command runs

This patch add CI information on the user_agent in order for us to track
if a given command was run by a CI, as discussed in #3233.

1 files changed, 17 insertions, 0 deletions

diff --git a/lib/bundler/fetcher.rb b/lib/bundler/fetcher.rb
index 42c6eb6717..936f28331f 100644
--- a/lib/bundler/fetcher.rb
+++ b/lib/bundler/fetcher.rb
@@ -155,6 +155,8 @@ module Bundler
 
         agent << " options/#{Bundler.settings.all.join(",")}"
 
+        agent << " ci/#{cis.join(",")}" if cis.any?
+
         # add a random ID so we can consolidate runs server-side
         agent << " " << SecureRandom.hex(8)
 
@@ -178,6 +180,21 @@ module Bundler
 
     FETCHERS = [Dependency, Index]
 
+    def cis
+      env_cis = {
+        "TRAVIS" => "travis",
+        "CIRCLECI" => "circle",
+        "SEMAPHORE" => "semaphore",
+        "JENKINS_URL" => "jenkins",
+        "BUILDBOX" => "buildbox",
+        "GO_SERVER_URL" => "go",
+        "SNAP_CI" => "snap",
+        "CI_NAME" => ENV["CI_NAME"],
+        "CI" => "ci"
+      }
+      env_cis.find_all{ |env, ci| ENV[env]}.map{ |env, ci| ci }
+    end
+
     def connection
       @connection ||= begin
         needs_ssl = remote_uri.scheme == "https" ||