Variables

Drone injects the following namespaced environment variables into every build:

DRONE=true
DRONE_REPO - repository name for the current build
DRONE_BRANCH - branch name for the current build
DRONE_COMMIT - git sha for the current build
DRONE_DIR - working directory for the current build
DRONE_BUILD_NUMBER - build number for the current build
DRONE_PULL_REQUEST - pull request number fo the current build
DRONE_JOB_NUMBER - job number for the current build
DRONE_TAG - tag name for the current build

Drone also injects CI_ prefixed variables for compatibility with other systems:

CI=true
CI_NAME=drone
CI_REPO - repository name of the current build
CI_BRANCH - branch name for the current build
CI_COMMIT - git sha for the current build
CI_BUILD_NUMBER - build number for the current build
CI_PULL_REQUEST - pull request number fo the current build
CI_JOB_NUMBER - job number for the current build
CI_BUILD_DIR - working directory for the current build
CI_BUILD_URL - url for the current build
CI_TAG - tag name for the current build

Injecting

A subset of variables may be injected directly into the Yaml at runtime using the $$ notation:

$$COMMIT git sha for the current build, --short format
$$BRANCH git branch for the current build
$$REPO repository full name (in owner/name format)
$$TAG tag name

This is useful when you need to dynamically configure your plugin based on the current build. For example, we can alter an artifact name to include the branch:

publish:
  s3:
    source: ./foo.tar.gz
    target: ./foo-$$BRANCH.tar.gz

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Variables

Injecting

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