[メモ] CircleCI_環境変数一覧（1.0&2.0） ref: https://qiita.com/jkkitakita/items/4554a965e86d376e3ecd

file0.txt

## Spin up Environment

Build-agent version 0.0.4775-4387c40 (2018-03-26T10:29:11+0000)
Starting container circleci/node:6
  image is cached as circleci/node:6, but refreshing...
6: Pulling from circleci/node
Digest: sha256:6c64433cd80bb347d5d95fada05743163eacbae3ceebeebfe81ae142d26bc57e
Status: Image is up to date for circleci/node:6
  using image circleci/node@sha256:6c64433cd80bb347d5d95fada05743163eacbae3ceebeebfe81ae142d26bc57e

Using build environment variables:
  BASH_ENV=/tmp/.bash_env-5ac535f77136c80007d1e06e-0-build
  CI=true
  CIRCLECI=true
  CIRCLE_BRANCH=master
  CIRCLE_BUILD_NUM=39404
  CIRCLE_BUILD_URL=https://circleci.com/gh/facebook/react-native/39404
  CIRCLE_COMPARE_URL=https://github.com/facebook/react-native/compare/3cd2b4342653...c787e0e25216
  CIRCLE_JOB=test_javascript_node6_compatibility
  CIRCLE_NODE_INDEX=0
  CIRCLE_NODE_TOTAL=1
  CIRCLE_PREVIOUS_BUILD_NUM=39403
  CIRCLE_PROJECT_REPONAME=react-native
  CIRCLE_PROJECT_USERNAME=facebook
  CIRCLE_PULL_REQUEST=https://github.com/Htc2ubusiness/react-native/pull/1
  CIRCLE_PULL_REQUESTS=https://github.com/Htc2ubusiness/react-native/pull/1
  CIRCLE_REPOSITORY_URL=git@github.com:facebook/react-native.git
  CIRCLE_SHA1=c787e0e25216d04a76ce2e3c0c88218ab9db3545
  CIRCLE_SHELL_ENV=/tmp/.bash_env-5ac535f77136c80007d1e06e-0-build
  CIRCLE_STAGE=test_javascript_node6_compatibility
  CIRCLE_USERNAME=facebook-github-bot
  CIRCLE_WORKFLOW_CONCURRENCY_MAP={}
  CIRCLE_WORKFLOW_ID=66a7325d-f222-41d5-a257-cc83bc8e6843
  CIRCLE_WORKFLOW_JOB_ID=e352e0cb-cb6b-4d1a-a631-c6cf13a575ae
  CIRCLE_WORKFLOW_UPSTREAM_JOB_IDS=
  CIRCLE_WORKFLOW_WORKSPACE_ID=66a7325d-f222-41d5-a257-cc83bc8e6843
  CIRCLE_WORKING_DIRECTORY=~/react-native
  CI_PULL_REQUEST=https://github.com/Htc2ubusiness/react-native/pull/1
  CI_PULL_REQUESTS=https://github.com/Htc2ubusiness/react-native/pull/1