| `CI_COMMIT_BEFORE_SHA` | 11.2 | all | The previous latest commit present on a branch before a merge request. Only populated when there is a merge request associated with the pipeline. |
| `CI_COMMIT_DESCRIPTION` | 10.8 | all | The description of the commit: the message without first line, if the title is shorter than 100 characters; full message in other case. |
| `CI_COMMIT_MESSAGE` | 10.8 | all | The full commit message. |
| `CI_COMMIT_REF_NAME` | 9.0 | all | The branch or tag name for which project is built |
| `CI_COMMIT_REF_SLUG` | 9.0 | all | `$CI_COMMIT_REF_NAME` lowercased, shortened to 63 bytes, and with everything except `0-9` and `a-z` replaced with `-`. No leading / trailing `-`. Use in URLs, host names and domain names. |
| `CI_COMMIT_SHA` | 9.0 | all | The commit revision for which project is built |
| `CI_COMMIT_SHORT_SHA` | 11.7 | all | The first eight characters of `CI_COMMIT_SHA` |
| `CI_COMMIT_TAG` | 9.0 | 0.5 | The commit tag name. Present only when building tags. |
| `CI_COMMIT_TITLE` | 10.8 | all | The title of the commit - the full first line of the message |
| `CI_CONFIG_PATH` | 9.4 | 0.5 | The path to CI config file. Defaults to `.gitlab-ci.yml` |
| `CI_DEPLOY_PASSWORD` | 10.8 | all | Authentication password of the [GitLab Deploy Token][gitlab-deploy-token], only present if the Project has one related.|
| `CI_DEPLOY_USER` | 10.8 | all | Authentication username of the [GitLab Deploy Token][gitlab-deploy-token], only present if the Project has one related.|
| `CI_DISPOSABLE_ENVIRONMENT` | all | 10.1 | Marks that the job is executed in a disposable environment (something that is created only for this job and disposed of/destroyed after the execution - all executors except `shell` and `ssh`). If the environment is disposable, it is set to true, otherwise it is not defined at all. |
| `CI_ENVIRONMENT_NAME` | 8.15 | all | The name of the environment for this job. Only present if [`environment:name`](../yaml/README.md#environmentname) is set. |
| `CI_ENVIRONMENT_SLUG` | 8.15 | all | A simplified version of the environment name, suitable for inclusion in DNS, URLs, Kubernetes labels, etc. Only present if [`environment:name`](../yaml/README.md#environmentname) is set. |
| `CI_ENVIRONMENT_URL` | 9.3 | all | The URL of the environment for this job. Only present if [`environment:url`](../yaml/README.md#environmenturl) is set. |
| `CI_JOB_ID` | 9.0 | all | The unique id of the current job that GitLab CI uses internally |
| `CI_JOB_MANUAL` | 8.12 | all | The flag to indicate that job was manually started |
| `CI_JOB_NAME` | 9.0 | 0.5 | The name of the job as defined in `.gitlab-ci.yml` |
| `CI_JOB_STAGE` | 9.0 | 0.5 | The name of the stage as defined in `.gitlab-ci.yml` |
| `CI_JOB_TOKEN` | 9.0 | 1.2 | Token used for authenticating with the [GitLab Container Registry][registry] and downloading [dependent repositories][dependent-repositories] |
| `CI_MERGE_REQUEST_ID` | 11.6 | all | The ID of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_IID` | 11.6 | all | The IID of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_PROJECT_ID` | 11.6 | all | The ID of the project of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_PROJECT_PATH` | 11.6 | all | The path of the project of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md) (e.g. `namespace/awesome-project`). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_PROJECT_URL` | 11.6 | all | The URL of the project of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md) (e.g. `http://192.168.10.15:3000/namespace/awesome-project`). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_REF_PATH` | 11.6 | all | The ref path of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). (e.g. `refs/merge-requests/1/head`). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_SOURCE_BRANCH_NAME` | 11.6 | all | The source branch name of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_SOURCE_BRANCH_SHA` | 11.9 | all | The HEAD sha of the source branch of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_SOURCE_PROJECT_ID` | 11.6 | all | The ID of the source project of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_SOURCE_PROJECT_PATH` | 11.6 | all | The path of the source project of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_SOURCE_PROJECT_URL` | 11.6 | all | The URL of the source project of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_TARGET_BRANCH_NAME` | 11.6 | all | The target branch name of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_TARGET_BRANCH_SHA` | 11.9 | all | The HEAD sha of the target branch of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_TITLE` | 11.9 | all | The title of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_ASSIGNEES` | 11.9 | all | Comma-separated list of username(s) of assignee(s) for the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_MILESTONE` | 11.9 | all | The milestone title of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_MERGE_REQUEST_LABELS` | 11.9 | all | Comma-separated label names of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` is used and the merge request is created. |
| `CI_NODE_INDEX` | 11.5 | all | Index of the job in the job set. If the job is not parallelized, this variable is not set. |
| `CI_NODE_TOTAL` | 11.5 | all | Total number of instances of this job running in parallel. If the job is not parallelized, this variable is set to `1`. |
| `CI_API_V4_URL` | 11.7 | all | The GitLab API v4 root URL |
| `CI_PAGES_DOMAIN` | 11.8 | all | The configured domain that hosts GitLab Pages. |
| `CI_PAGES_URL` | 11.8 | all | URL to GitLab Pages-built pages. Always belongs to a subdomain of `CI_PAGES_DOMAIN`. |
| `CI_PIPELINE_ID` | 8.10 | all | The unique id of the current pipeline that GitLab CI uses internally |
| `CI_PIPELINE_IID` | 11.0 | all | The unique id of the current pipeline scoped to project |
| `CI_PIPELINE_SOURCE` | 10.0 | all | Indicates how the pipeline was triggered. Possible options are: `push`, `web`, `trigger`, `schedule`, `api`, and `pipeline`. For pipelines created before GitLab 9.5, this will show as `unknown` |
| `CI_PROJECT_DIR` | all | all | The full path where the repository is cloned and where the job is run. If the GitLab Runner `builds_dir` parameter is set, this variable is set relative to the value of `builds_dir`. For more information, see [Advanced configuration](https://docs.gitlab.com/runner/configuration/advanced-configuration.html#the-runners-section) for GitLab Runner. |
| `CI_PROJECT_ID` | all | all | The unique id of the current project that GitLab CI uses internally |
| `CI_PROJECT_NAME` | 8.10 | 0.5 | The project name that is currently being built (actually it is project folder name) |
| `CI_PROJECT_NAMESPACE` | 8.10 | 0.5 | The project namespace (username or groupname) that is currently being built |
| `CI_PROJECT_PATH` | 8.10 | 0.5 | The namespace with project name |
| `CI_PROJECT_PATH_SLUG` | 9.3 | all | `$CI_PROJECT_PATH` lowercased and with everything except `0-9` and `a-z` replaced with `-`. Use in URLs and domain names. |
| `CI_PROJECT_URL` | 8.10 | 0.5 | The HTTP(S) address to access project |
| `CI_PROJECT_VISIBILITY` | 10.3 | all | The project visibility (internal, private, public) |
| `CI_REGISTRY` | 8.10 | 0.5 | If the Container Registry is enabled it returns the address of GitLab's Container Registry |
| `CI_REGISTRY_IMAGE` | 8.10 | 0.5 | If the Container Registry is enabled for the project it returns the address of the registry tied to the specific project |
| `CI_REGISTRY_PASSWORD` | 9.0 | all | The password to use to push containers to the GitLab Container Registry |
| `CI_REGISTRY_USER` | 9.0 | all | The username to use to push containers to the GitLab Container Registry |
| `CI_REPOSITORY_URL` | 9.0 | all | The URL to clone the Git repository |
| `CI_RUNNER_DESCRIPTION` | 8.10 | 0.5 | The description of the runner as saved in GitLab |
| `CI_RUNNER_EXECUTABLE_ARCH` | all | 10.6 | The OS/architecture of the GitLab Runner executable (note that this is not necessarily the same as the environment of the executor) |
| `CI_RUNNER_ID` | 8.10 | 0.5 | The unique id of runner being used |
| `CI_RUNNER_REVISION` | all | 10.6 | GitLab Runner revision that is executing the current job |
| `CI_RUNNER_TAGS` | 8.10 | 0.5 | The defined runner tags |
| `CI_RUNNER_VERSION` | all | 10.6 | GitLab Runner version that is executing the current job |
| `CI_SERVER` | all | all | Mark that job is executed in CI environment |
| `CI_SERVER_NAME` | all | all | The name of CI server that is used to coordinate jobs |
| `CI_SERVER_REVISION` | all | all | GitLab revision that is used to schedule jobs |
| `CI_SERVER_VERSION` | all | all | GitLab version that is used to schedule jobs |
| `CI_SERVER_VERSION_MAJOR` | 11.4 | all | GitLab version major component |
| `CI_SERVER_VERSION_MINOR` | 11.4 | all | GitLab version minor component |
| `CI_SERVER_VERSION_PATCH` | 11.4 | all | GitLab version patch component |
| `CI_SHARED_ENVIRONMENT` | all | 10.1 | Marks that the job is executed in a shared environment (something that is persisted across CI invocations like `shell` or `ssh` executor). If the environment is shared, it is set to true, otherwise it is not defined at all. |
| `GET_SOURCES_ATTEMPTS` | 8.15 | 1.9 | Number of attempts to fetch sources running a job |
| `GITLAB_CI` | all | all | Mark that job is executed in GitLab CI environment |
| `GITLAB_USER_EMAIL` | 8.12 | all | The email of the user who started the job |
| `GITLAB_USER_ID` | 8.12 | all | The id of the user who started the job |
| `GITLAB_USER_LOGIN` | 10.0 | all | The login username of the user who started the job |
| `GITLAB_USER_NAME` | 10.0 | all | The real name of the user who started the job |
| `RESTORE_CACHE_ATTEMPTS` | 8.15 | 1.9 | Number of attempts to restore the cache running a job |
| `GITLAB_FEATURES` | 10.6 | all | The comma separated list of licensed features available for your instance and plan |
