[
  {
    "name": "AppVeyor",
    "constant": "APPVEYOR",
    "env": "APPVEYOR",
    "pr": "APPVEYOR_PULL_REQUEST_NUMBER"
  },
  {
    "name": "Bamboo",
    "constant": "BAMBOO",
    "env": "bamboo_planKey"
  },
  {
    "name": "Bitbucket Pipelines",
    "constant": "BITBUCKET",
    "env": "BITBUCKET_COMMIT"
  },
  {
    "name": "Bitrise",
    "constant": "BITRISE",
    "env": "BITRISE_IO",
    "pr": "BITRISE_PULL_REQUEST"
  },
  {
    "name": "Buddy",
    "constant": "BUDDY",
    "env": "BUDDY_WORKSPACE_ID",
    "pr": "BUDDY_EXECUTION_PULL_REQUEST_ID"
  },
  {
    "name": "Buildkite",
    "constant": "BUILDKITE",
    "env": "BUILDKITE",
    "pr": { "env": "BUILDKITE_PULL_REQUEST", "ne": "false" }
  },
  {
    "name": "CircleCI",
    "constant": "CIRCLE",
    "env": "CIRCLECI",
    "pr": "CIRCLE_PULL_REQUEST"
  },
  {
    "name": "Cirrus CI",
    "constant": "CIRRUS",
    "env": "CIRRUS_CI",
    "pr": "CIRRUS_PR"
  },
  {
    "name": "AWS CodeBuild",
    "constant": "CODEBUILD",
    "env": "CODEBUILD_BUILD_ARN"
  },
  {
    "name": "Codeship",
    "constant": "CODESHIP",
    "env": { "CI_NAME": "codeship" }
  },
  {
    "name": "Drone",
    "constant": "DRONE",
    "env": "DRONE",
    "pr": { "DRONE_BUILD_EVENT": "pull_request" }
  },
  {
    "name": "dsari",
    "constant": "DSARI",
    "env": "DSARI"
  },
  {
    "name": "GitLab CI",
    "constant": "GITLAB",
    "env": "GITLAB_CI"
  },
  {
    "name": "GoCD",
    "constant": "GOCD",
    "env": "GO_PIPELINE_LABEL"
  },
  {
    "name": "Hudson",
    "constant": "HUDSON",
    "env": "HUDSON_URL"
  },
  {
    "name": "Jenkins",
    "constant": "JENKINS",
    "env": ["JENKINS_URL", "BUILD_ID"],
    "pr": { "any": ["ghprbPullId", "CHANGE_ID"] }
  },
  {
    "name": "Magnum CI",
    "constant": "MAGNUM",
    "env": "MAGNUM"
  },
  {
    "name": "Sail CI",
    "constant": "SAIL",
    "env": "SAILCI",
    "pr": "SAIL_PULL_REQUEST_NUMBER"
  },
  {
    "name": "Semaphore",
    "constant": "SEMAPHORE",
    "env": "SEMAPHORE",
    "pr": "PULL_REQUEST_NUMBER"
  },
  {
    "name": "Shippable",
    "constant": "SHIPPABLE",
    "env": "SHIPPABLE",
    "pr": { "IS_PULL_REQUEST": "true" }
  },
  {
    "name": "Solano CI",
    "constant": "SOLANO",
    "env": "TDDIUM",
    "pr": "TDDIUM_PR_ID"
  },
  {
    "name": "Strider CD",
    "constant": "STRIDER",
    "env": "STRIDER"
  },
  {
    "name": "TaskCluster",
    "constant": "TASKCLUSTER",
    "env": ["TASK_ID", "RUN_ID"]
  },
  {
    "name": "Solano CI",
    "constant": "TDDIUM",
    "env": "TDDIUM",
    "pr": "TDDIUM_PR_ID",
    "deprecated": true
  },
  {
    "name": "TeamCity",
    "constant": "TEAMCITY",
    "env": "TEAMCITY_VERSION"
  },
  {
    "name": "Team Foundation Server",
    "constant": "TFS",
    "env": "TF_BUILD"
  },
  {
    "name": "Travis CI",
    "constant": "TRAVIS",
    "env": "TRAVIS",
    "pr": { "env": "TRAVIS_PULL_REQUEST", "ne": "false" }
  }
]