| `CI_BUILDS_DIR` | all | 11.10 | Top-level directory where builds are executed. |
| `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_COMMIT_BEFORE_SHA` | 11.2 | all | The previous latest commit present on a branch before a push request. |
| `CI_COMMIT_BEFORE_SHA` | 11.2 | all | The previous latest commit present on a branch before a push 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 |