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| `CI_COMMIT_BEFORE_SHA` | 11.2 | all | The previous latest commit present on a branch. Is always `0000000000000000000000000000000000000000` in pipelines for merge requests. |
| `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_DEPLOY_PASSWORD` | 10.8 | all | Authentication password of the [GitLab Deploy Token](../../user/project/deploy_tokens/index.md#gitlab-deploy-token), only present if the Project has one related. |
| `CI_DEPLOY_USER` | 10.8 | all | Authentication username of the [GitLab Deploy Token](../../user/project/deploy_tokens/index.md#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_EXTERNAL_PULL_REQUEST_IID` | 12.3 | all | Pull Request ID from GitHub if the [pipelines are for external pull requests](../ci_cd_for_external_repos/index.md#pipelines-for-external-pull-requests). Available only if `only: [external_pull_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the pull request is open. |
| `CI_EXTERNAL_PULL_REQUEST_SOURCE_BRANCH_NAME` | 12.3 | all | The source branch name of the pull request if [the pipelines are for external pull requests](../ci_cd_for_external_repos/index.md#pipelines-for-external-pull-requests). Available only if `only: [external_pull_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the pull request is open. |
| `CI_EXTERNAL_PULL_REQUEST_SOURCE_BRANCH_SHA` | 12.3 | all | The HEAD SHA of the source branch of the pull request if [the pipelines are for external pull requests](../ci_cd_for_external_repos/index.md#pipelines-for-external-pull-requests). Available only if `only: [external_pull_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the pull request is open. |
| `CI_EXTERNAL_PULL_REQUEST_TARGET_BRANCH_NAME` | 12.3 | all | The target branch name of the pull request if [the pipelines are for external pull requests](../ci_cd_for_external_repos/index.md#pipelines-for-external-pull-requests). Available only if `only: [external_pull_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the pull request is open. |
| `CI_EXTERNAL_PULL_REQUEST_TARGET_BRANCH_SHA` | 12.3 | all | The HEAD SHA of the target branch of the pull request if [the pipelines are for external pull requests](../ci_cd_for_external_repos/index.md#pipelines-for-external-pull-requests). Available only if `only: [external_pull_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the pull request is open. |
| `CI_HAS_OPEN_REQUIREMENTS` | 13.1 | all | Included with the value `true` only if the pipeline's project has any open [requirements](../../user/project/requirements/index.md). Not included if there are no open requirements for the pipeline's project. |
| `CI_JOB_TOKEN` | 9.0 | 1.2 | Token used for authenticating with the [GitLab Container Registry](../../user/packages/container_registry/index.md), downloading [dependent repositories](../../user/project/new_ci_build_permissions_model.md#dependent-repositories), and accessing [GitLab-managed Terraform state](../../user/infrastructure/index.md#gitlab-managed-terraform-state). |
| `CI_JOB_JWT` | 12.10 | all | RS256 JSON web token that can be used for authenticating with third party systems that support JWT authentication, for example [HashiCorp's Vault](../examples/authenticating-with-hashicorp-vault). |
| `CI_KUBERNETES_ACTIVE` | 13.0 | all | Included with the value `true` only if the pipeline has a Kubernetes cluster available for deployments. Not included if no cluster is available. Can be used as an alternative to [`only:kubernetes`/`except:kubernetes`](../yaml/README.md#onlykubernetesexceptkubernetes) with [`rules:if`](../yaml/README.md#rulesif) |
| `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]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_ID` | 11.6 | all | The project-level ID of the merge request. Only available if [the pipelines are for merge requests](../merge_request_pipelines/index.md) and the merge request is created. |
| `CI_MERGE_REQUEST_IID` | 11.6 | all | The instance-level IID of the merge request. Only available If [the pipelines are for merge requests](../merge_request_pipelines/index.md) 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]` or [`rules`](../yaml/README.md#rules) syntax 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]` or [`rules`](../yaml/README.md#rules) syntax 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]` or [`rules`](../yaml/README.md#rules) syntax 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]` or [`rules`](../yaml/README.md#rules) syntax 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]` or [`rules`](../yaml/README.md#rules) syntax 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]` or [`rules`](../yaml/README.md#rules) syntax 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]` or [`rules`](../yaml/README.md#rules) syntax 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]` or [`rules`](../yaml/README.md#rules) syntax is used, the merge request is created, and the pipeline is a [merged result pipeline](../merge_request_pipelines/pipelines_for_merged_results/index.md). **(PREMIUM)** |
| `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]` or [`rules`](../yaml/README.md#rules) syntax 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]` or [`rules`](../yaml/README.md#rules) syntax 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]` or [`rules`](../yaml/README.md#rules) syntax 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]` or [`rules`](../yaml/README.md#rules) syntax 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]` or [`rules`](../yaml/README.md#rules) syntax is used, the merge request is created, and the pipeline is a [merged result pipeline](../merge_request_pipelines/pipelines_for_merged_results/index.md). **(PREMIUM)** |
| `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]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_EVENT_TYPE` | 12.3 | all | The event type of the merge request, if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Can be `detached`, `merged_result` or `merge_train`. |
| `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_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_SOURCE` | 10.0 | all | Indicates how the pipeline was triggered. Possible options are: `push`, `web`, `schedule`, `api`, `external`, `chat`, `webide`, `merge_request_event`, `external_pull_request_event`, `parent_pipeline`, [`trigger`, or `pipeline`](../triggers/README.md#authentication-tokens) (renamed to `cross_project_pipeline` since 13.0). 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_NAME` | 8.10 | 0.5 | The name of the directory for the project that is currently being built. For example, if the project URL is `gitlab.example.com/group-name/project-1`, the `CI_PROJECT_NAME` would be `project-1`. |
| `CI_PROJECT_ROOT_NAMESPACE` | 13.2 | 0.5 | The **root** project namespace (username or group name) that is currently being built. For example, if `CI_PROJECT_NAME` is `root-group/child-group/grandchild-group`, `CI_PROJECT_ROOT_NAMESPACE` would be `root-group`. |
| `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_REPOSITORY_LANGUAGES` | 12.3 | all | Comma-separated, lowercased list of the languages used in the repository (e.g. `ruby,javascript,html,css`) |
| `CI_PROJECT_TITLE` | 12.4 | all | The human-readable project name as displayed in the GitLab web interface. |
| `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. This variable will include a `:port` value if one has been specified in the registry configuration. |
| `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_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_REVISION` | all | 10.6 | GitLab Runner revision that is executing the current job |
| `CI_RUNNER_SHORT_TOKEN` | all | 12.3 | First eight characters of GitLab Runner's token used to authenticate new job requests. Used as Runner's unique ID |
| `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. |