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gitlab-org--gitlab-foss/doc/ci/variables/predefined_variables.md

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---
type: reference
---
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# Predefined environment variables reference
For an introduction on this subject, read through the
[getting started with environment variables](README.md) document.
## Overview
Some of the predefined environment variables are available only if a minimum
version of [GitLab Runner](https://docs.gitlab.com/runner/) is used. Consult the table below to find the
version of Runner required.
NOTE: **Note:**
Starting with GitLab 9.0, we have deprecated some variables. Read the
[9.0 Renaming](deprecated_variables.md#gitlab-90-renamed-variables) section to find out their replacements. **You are
strongly advised to use the new variables as we will remove the old ones in
future GitLab releases.**
## Variables reference
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| Variable | GitLab | Runner | Description |
|-----------------------------------------------|--------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `ARTIFACT_DOWNLOAD_ATTEMPTS` | 8.15 | 1.9 | Number of attempts to download artifacts running a job |
| `CHAT_CHANNEL` | 10.6 | all | Source chat channel which triggered the [ChatOps](../chatops/README.md) command |
| `CHAT_INPUT` | 10.6 | all | Additional arguments passed in the [ChatOps](../chatops/README.md) command |
| `CI` | all | 0.4 | Mark that job is executed in CI environment |
| `CI_API_V4_URL` | 11.7 | all | The GitLab API v4 root URL |
| `CI_BUILDS_DIR` | all | 11.10 | Top-level directory where builds are executed. |
| `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_PROTECTED` | 11.11 | all | If the job is running on a protected branch |
| `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` |
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| `CI_COMMIT_BRANCH` | 12.6 | 0.5 | The commit branch name. Present only when building branches. |
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| `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_CONCURRENT_ID` | all | 11.10 | Unique ID of build execution within a single executor. |
| `CI_CONCURRENT_PROJECT_ID` | all | 11.10 | Unique ID of build execution within a single executor and project. |
| `CI_CONFIG_PATH` | 9.4 | 0.5 | The path to CI config file. Defaults to `.gitlab-ci.yml` |
| `CI_DEBUG_TRACE` | all | 1.7 | Whether [debug logging (tracing)](README.md#debug-logging) is enabled |
| `CI_DEFAULT_BRANCH` | 12.4 | all | The name of the default branch for the project. |
| `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_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]` 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]` 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]` 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]` 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]` is used and the pull request is open. |
| `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_JOB_URL` | 11.1 | 0.5 | Job details URL |
| `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_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_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_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_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, 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]` 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, 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]` 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_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 |
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| `CI_PIPELINE_SOURCE` | 10.0 | all | Indicates how the pipeline was triggered. Possible options are: `push`, `web`, `trigger`, `schedule`, `api`, `pipeline` and `merge_request_event`. For pipelines created before GitLab 9.5, this will show as `unknown` |
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| `CI_PIPELINE_TRIGGERED` | all | all | The flag to indicate that job was [triggered](../triggers/README.md) |
| `CI_PIPELINE_URL` | 11.1 | 0.5 | Pipeline details URL |
| `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 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_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_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_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_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_HOST` | 12.1 | all | Host component of the GitLab instance URL, without protocol and port (like `gitlab.example.com`) |
| `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_FEATURES` | 10.6 | all | The comma separated list of licensed features available for your instance and plan |
| `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 |
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[gitlab-deploy-token]: ../../user/project/deploy_tokens/index.md#gitlab-deploy-token
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[registry]: ../../user/packages/container_registry/index.md
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[dependent-repositories]: ../../user/project/new_ci_build_permissions_model.md#dependent-repositories
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