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Commit 005c4eff authored by Marcia Ramos's avatar Marcia Ramos
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Merge branch 'docs-for-mr-pipelines' into 'master' 

Documentation for "`only/except: merge-requests` for merge request pipelines"

Closes #54511 and #15310

See merge request gitlab-org/gitlab-ce!23397
parents 61d91f64 e5e25109
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doc/ci/README.md
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......@@ -71,6 +71,7 @@ learn how to leverage its potential even more.
- [Caching dependencies](caching/index.md)
- [Git submodules](git_submodules.md) - How to run your CI jobs when Git
submodules are involved
- [Pipelines for merge requests](merge_request_pipelines/index.md)
- [Use SSH keys in your build environment](ssh_keys/README.md)
- [Trigger pipelines through the GitLab API](triggers/README.md)
- [Trigger pipelines on a schedule](../user/project/pipelines/schedules.md)
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doc/ci/merge_request_pipelines/index.md 0 → 100644
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# Pipelines for merge requests
> [Introduced](https://gitlab.com/gitlab-org/gitlab-ce/issues/15310) in GitLab 11.6
Usually, when a developer creates a new merge request, a pipeline runs on the
new change and checks if it's qualified to be merged into a target branch. This
pipeline should contain only necessary jobs for checking the new changes.
For example, unit tests, lint checks, and Review Apps are often used in this cycle.
With pipelines for merge requests, you can design a specific pipeline structure
for merge requests. All you need to do is just adding `only: [merge_requests]` to
the jobs that you want it to run for only merge requests.
Every time, when developers create or update merge requests, a pipeline runs on
their new commits at every push to GitLab.
NOTE: **Note**:
If you use both this feature and the [Merge When Pipeline Succeeds](../../user/project/merge_requests/merge_when_pipeline_succeeds.md)
feature, pipelines for merge requests take precendence over the other regular pipelines.
For example, consider a GitLab CI/CD configuration in .gitlab-ci.yml as follows:
```yaml
build:
stage: build
script: ./build
only:
- branches
- tags
- merge_requests
test:
stage: test
script: ./test
only:
- merge_requests
deploy:
stage: deploy
script: ./deploy
```
After a developer updated code in a merge request with whatever methods (e.g. `git push`),
GitLab detects that the code is updated and create a new pipeline for the merge request.
The pipeline fetches the latest code from the source branch and run tests against it.
In this example, the pipeline contains only `build` and `test` jobs.
Since `deploy` job does not have the `only: [merge_requests]` rule,
deployment jobs will not happen in the merge request.
Consider this pipeline list viewed from the **Pipelines** tab in a merge request:
![Merge request page](img/merge_request.png)
Note that pipelines tagged as **merge request** indicate that they were triggered
when a merge request was created or updated.
The same tag is shown on the pipeline's details:
![Pipeline's details](img/pipeline_detail.png)
## Important notes about merge requests from forked projects
Note that the current behavior is subject to change. In the usual contribution
flow, external contributors follow the following steps:
1. Fork a parent project.
1. Create a merge request from the forked project that targets the `master` branch
in the parent project.
1. A pipeline runs on the merge request.
1. A mainatiner from the parent project checks the pipeline result, and merge
into a target branch if the latest pipeline has passed.
Currently, those pipelines are created in a **forked** project, not in the
parent project. This means you cannot completely trust the pipeline result,
because, technically, external contributors can disguise their pipeline results
by tweaking their GitLab Runner in the forked project.
There are multiple reasons about why GitLab doesn't allow those pipelines to be
created in the parent project, but one of the biggest reasons is security concern.
External users could steal secret variables from the parent project by modifying
.gitlab-ci.yml, which could be some sort of credentials. This should not happen.
We're discussing a secure solution of running pipelines for merge requests
that submitted from forked projects,
see [the issue about the permission extension](https://gitlab.com/gitlab-org/gitlab-ce/issues/23902).
doc/ci/variables/README.md
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......@@ -40,73 +40,84 @@ Starting with GitLab 9.0, we have deprecated some variables. Read the
strongly advised to use the new variables as we will remove the old ones in
future GitLab releases.**
| Variable | GitLab | Runner | Description |
|-------------------------------- |--------|--------|-------------|
| **ARTIFACT_DOWNLOAD_ATTEMPTS** | 8.15 | 1.9 | Number of attempts to download artifacts running a job |
| **CI** | all | 0.4 | Mark that job is executed in CI environment |
| **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_BEFORE_SHA** | 11.2 | all | The previous latest commit present on a branch before a push request. |
| **CI_COMMIT_TAG** | 9.0 | 0.5 | The commit tag name. Present only when building tags. |
| **CI_COMMIT_MESSAGE** | 10.8 | all | The full commit message. |
| **CI_COMMIT_TITLE** | 10.8 | all | The title of the commit - the full first line of the message |
| **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_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 tracing](#debug-tracing) is enabled |
| **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_DEPLOY_PASSWORD** | 10.8 | all | Authentication password 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 |
| **CI_ENVIRONMENT_SLUG** | 8.15 | all | A simplified version of the environment name, suitable for inclusion in DNS, URLs, Kubernetes labels, etc. |
| **CI_ENVIRONMENT_URL** | 9.3 | all | The URL of the environment for this job |
| **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_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_JOB_URL** | 11.1 | 0.5 | Job details URL |
| **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_ID** | 8.10 | 0.5 | The unique id of runner being used |
| **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_RUNNER_REVISION** | all | 10.6 | GitLab Runner revision that is executing the current job |
| **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_PIPELINE_ID** | 8.10 | 0.5 | 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_TRIGGERED** | all | all | The flag to indicate that job was [triggered] |
| **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 |
| **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_PIPELINE_URL** | 11.1 | 0.5 | Pipeline details URL |
| **CI_PROJECT_URL** | 8.10 | 0.5 | The HTTP 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_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 |
| Variable | GitLab | Runner | Description |
|-------------------------------------------|--------|--------|-------------|
| **ARTIFACT_DOWNLOAD_ATTEMPTS** | 8.15 | 1.9 | Number of attempts to download artifacts running a job |
| **CI** | all | 0.4 | Mark that job is executed in CI environment |
| **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_BEFORE_SHA** | 11.2 | all | The previous latest commit present on a branch before a push request. |
| **CI_COMMIT_TAG** | 9.0 | 0.5 | The commit tag name. Present only when building tags. |
| **CI_COMMIT_MESSAGE** | 10.8 | all | The full commit message. |
| **CI_COMMIT_TITLE** | 10.8 | all | The title of the commit - the full first line of the message |
| **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_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 tracing](#debug-tracing) is enabled |
| **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_DEPLOY_PASSWORD** | 10.8 | all | Authentication password 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 |
| **CI_ENVIRONMENT_SLUG** | 8.15 | all | A simplified version of the environment name, suitable for inclusion in DNS, URLs, Kubernetes labels, etc. |
| **CI_ENVIRONMENT_URL** | 9.3 | all | The URL of the environment for this job |
| **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 it's [pipelines for merge requests](../merge_request_pipelines/index.md) |
| **CI_MERGE_REQUEST_IID** | 11.6 | all | The IID of the merge request if it's [pipelines for merge requests](../merge_request_pipelines/index.md) |
| **CI_MERGE_REQUEST_REF_PATH** | 11.6 | all | The ref path of the merge request if it's [pipelines for merge requests](../merge_request_pipelines/index.md). (e.g. `refs/merge-requests/1/head`) |
| **CI_MERGE_REQUEST_PROJECT_ID** | 11.6 | all | The ID of the project of the merge request if it's [pipelines for merge requests](../merge_request_pipelines/index.md) |
| **CI_MERGE_REQUEST_PROJECT_PATH** | 11.6 | all | The path of the project of the merge request if it's [pipelines for merge requests](../merge_request_pipelines/index.md) (e.g. `namespace/awesome-project`) |
| **CI_MERGE_REQUEST_PROJECT_URL** | 11.6 | all | The URL of the project of the merge request if it's [pipelines for merge requests](../merge_request_pipelines/index.md) (e.g. `http://192.168.10.15:3000/namespace/awesome-project`) |
| **CI_MERGE_REQUEST_TARGET_BRANCH_NAME** | 11.6 | all | The target branch name of the merge request if it's [pipelines for merge requests](../merge_request_pipelines/index.md) |
| **CI_MERGE_REQUEST_SOURCE_PROJECT_ID** | 11.6 | all | The ID of the source project of the merge request if it's [pipelines for merge requests](../merge_request_pipelines/index.md) |
| **CI_MERGE_REQUEST_SOURCE_PROJECT_PATH** | 11.6 | all | The path of the source project of the merge request if it's [pipelines for merge requests](../merge_request_pipelines/index.md) |
| **CI_MERGE_REQUEST_SOURCE_PROJECT_URL** | 11.6 | all | The URL of the source project of the merge request if it's [pipelines for merge requests](../merge_request_pipelines/index.md) |
| **CI_MERGE_REQUEST_SOURCE_BRANCH_NAME** | 11.6 | all | The source branch name of the merge request if it's [pipelines for merge requests](../merge_request_pipelines/index.md) |
| **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_JOB_URL** | 11.1 | 0.5 | Job details URL |
| **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_ID** | 8.10 | 0.5 | The unique id of runner being used |
| **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_RUNNER_REVISION** | all | 10.6 | GitLab Runner revision that is executing the current job |
| **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_PIPELINE_ID** | 8.10 | 0.5 | 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_TRIGGERED** | all | all | The flag to indicate that job was [triggered] |
| **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 |
| **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_PIPELINE_URL** | 11.1 | 0.5 | Pipeline details URL |
| **CI_PROJECT_URL** | 8.10 | 0.5 | The HTTP 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_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 9.0 renaming
......
doc/ci/yaml/README.md
View file @ 005c4eff
......@@ -342,15 +342,16 @@ In addition, `only` and `except` allow the use of special keywords:
| **Value** | **Description** |
| --------- | ---------------- |
| `branches` | When a branch is pushed. |
| `tags` | When a tag is pushed. |
| `api` | When pipeline has been triggered by a second pipelines API (not triggers API). |
| `external` | When using CI services other than GitLab. |
| `pipelines` | For multi-project triggers, created using the API with `CI_JOB_TOKEN`. |
| `pushes` | Pipeline is triggered by a `git push` by the user. |
| `schedules` | For [scheduled pipelines][schedules]. |
| `triggers` | For pipelines created using a trigger token. |
| `web` | For pipelines created using **Run pipeline** button in GitLab UI (under your project's **Pipelines**). |
| `branches` | When a git reference of a pipeline is a branch. |
| `tags` | When a git reference of a pipeline is a tag. |
| `api` | When pipeline has been triggered by a second pipelines API (not triggers API). |
| `external` | When using CI services other than GitLab. |
| `pipelines` | For multi-project triggers, created using the API with `CI_JOB_TOKEN`. |
| `pushes` | Pipeline is triggered by a `git push` by the user. |
| `schedules` | For [scheduled pipelines][schedules]. |
| `triggers` | For pipelines created using a trigger token. |
| `web` | For pipelines created using **Run pipeline** button in GitLab UI (under your project's **Pipelines**). |
| `merge_requests` | When a merge request is created or updated (See [pipelines for merge requests](../merge_request_pipelines/index.md)). |
In the example below, `job` will run only for refs that start with `issue-`,
whereas all branches will be skipped:
......@@ -391,6 +392,24 @@ job:
The above example will run `job` for all branches on `gitlab-org/gitlab-ce`,
except master.
If a job does not have neither `only` nor `except` rule,
`only: ['branches', 'tags']` is set by default.
For example,
```yaml
job:
script: echo 'test'
```
is translated to
```yaml
job:
script: echo 'test'
only: ['branches', 'tags']
```
## `only` and `except` (complex)
> `refs` and `kubernetes` policies introduced in GitLab 10.0
......
doc/user/project/merge_requests/index.md
View file @ 005c4eff
......@@ -259,6 +259,16 @@ all your changes will be available to preview by anyone with the Review Apps lin
[Read more about Review Apps.](../../../ci/review_apps/index.md)
## Pipelines for merge requests
When a developer updates a merge request, a pipeline should quickly report back
its result to the developer, but often pipelines take long time to complete
because general branch pipelines contain unnecessary jobs from the merge request standpoint.
You can customize a specific pipeline structure for merge requests in order to
speed the cycle up by running only important jobs.
Learn more about [pipelines for merge requests](../../../ci/merge_request_pipelines/index.md).
## Pipeline status in merge requests
If you've set up [GitLab CI/CD](../../../ci/README.md) in your project,
......
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