Add PIP_DEPENDENCY_PATH to dependency scanning template

changelogs/unreleased/GL-12412.yml

+---
+title: Add DS_PIP_DEPENDENCY_PATH option to configure Dependency Scanning for projects using pip.
+merge_request: 30762
+author:
+type: changed

doc/user/application_security/dependency_scanning/index.md

@@ -142,6 +142,7 @@ using environment variables.
 | `DS_ANALYZER_IMAGE_PREFIX`              | Override the name of the Docker registry providing the official default images (proxy). Read more about [customizing analyzers](analyzers.md). |
 | `DS_ANALYZER_IMAGE_TAG`                 | Override the Docker tag of the official default images. Read more about [customizing analyzers](analyzers.md). |
 | `DS_PYTHON_VERSION`                     | Version of Python. If set to 2, dependencies are installed using Python 2.7 instead of Python 3.6. ([Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/12296) in GitLab 12.1)|
+| `DS_PIP_DEPENDENCY_PATH`                | Path to load Python pip dependencies from. ([Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/12412) in GitLab 12.2) |
 | `DS_DEFAULT_ANALYZERS`                  | Override the names of the official default images. Read more about [customizing analyzers](analyzers.md). |
 | `DS_DISABLE_REMOTE_CHECKS`              | Do not send any data to GitLab. Used in the [Gemnasium analyzer](#remote-checks). |
 | `DS_PULL_ANALYZER_IMAGES`               | Pull the images from the Docker registry (set to `0` to disable). |

lib/gitlab/ci/templates/Security/Dependency-Scanning.gitlab-ci.yml

@@ -41,6 +41,7 @@ dependency_scanning:
           DS_PULL_ANALYZER_IMAGE_TIMEOUT \
           DS_RUN_ANALYZER_TIMEOUT \
           DS_PYTHON_VERSION \
+          DS_PIP_DEPENDENCY_PATH \
           PIP_INDEX_URL \
           PIP_EXTRA_INDEX_URL \
         ) \