291 lines
12 KiB
Markdown
291 lines
12 KiB
Markdown
---
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stage: Create
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group: Code Review
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info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/product/ux/technical-writing/#assignments
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type: index, reference
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---
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# Merge requests **(FREE)**
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Merge requests (MRs) are the way you check source code changes into a branch.
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When you open a merge request, you can visualize and collaborate on the code changes before merge.
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Merge requests include:
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- A description of the request.
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- Code changes and inline code reviews.
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- Information about CI/CD pipelines.
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- A comment section for discussion threads.
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- The list of commits.
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Read more about [how to get started](getting_started.md).
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## View merge requests
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You can view merge requests for your project, group, or yourself.
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### View merge requests for a project
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To view all merge requests for a project:
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1. On the top bar, select **Main menu > Projects** and find your project.
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1. On the left sidebar, select **Merge requests**.
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Or, to use a [keyboard shortcut](../../shortcuts.md), press <kbd>g</kbd> + <kbd>m</kbd>.
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### View merge requests for all projects in a group
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To view merge requests for all projects in a group:
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1. On the top bar, select **Main menu > Groups** and find your group.
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1. On the left sidebar, select **Merge requests**.
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If your group contains subgroups, this view also displays merge requests from the subgroup projects.
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### View all merge requests assigned to you
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To view all merge requests assigned to you:
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<!-- vale gitlab.FirstPerson = NO -->
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1. On the top bar, put your cursor in the **Search** box.
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1. From the dropdown list, select **Merge requests assigned to me**.
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<!-- vale gitlab.FirstPerson = YES -->
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or:
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- To use a [keyboard shortcut](../../shortcuts.md), press <kbd>Shift</kbd> + <kbd>m</kbd>.
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or:
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1. On the top bar, on the top right, select **{merge-request-open}** **Merge requests**.
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1. From the dropdown list, select **Assigned to you**.
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## Filter the list of merge requests
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To filter the list of merge requests:
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1. Above the list of merge requests, select **Search or filter results...**.
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1. In the dropdown list that appears, select the attribute you wish to filter by.
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1. Select or type the operator to use for filtering the attribute. The following operators are
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available:
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- `=`: Is
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- `!=`: Is not ([Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/18059) in GitLab 12.7)
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1. Enter the text to filter the attribute by.
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You can filter some attributes by **None** or **Any**.
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1. Repeat this process to filter by multiple attributes. Multiple attributes are joined by a logical
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`AND`.
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GitLab displays the results on-screen, but you can also
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[retrieve them as an RSS feed](../../search/index.md#retrieve-search-results-as-feed).
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### Filter merge requests by ID
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> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/issues/39908) in GitLab 12.1.
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You can filter the **Merge Request** list to find merge requests by their ID.
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For example, enter filter `#30` to return only merge request 30.
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### Filter merge requests by approvers **(PREMIUM)**
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> Moved to GitLab Premium in 13.9.
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To filter merge requests by an individual eligible approver ([Code owner](../code_owners.md)), you can type (or select from
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the dropdown list) **Approver** and select the user.
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### Filter merge requests by "approved by" **(PREMIUM)**
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> - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/30335) in GitLab 13.0.
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> - Moved to GitLab Premium in 13.9.
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To filter merge requests already approved by a specific individual, you can type (or select from
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the dropdown list) **Approved-By** and select the user.
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### Filter merge requests by reviewer
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> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/47605) in GitLab 13.7.
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To filter review requested merge requests for a specific individual, you can type (or select from
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the dropdown list) **Reviewer** and select the user.
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### Filter merge requests by environment or deployment date
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> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/44041) in GitLab 13.6.
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To filter merge requests by deployment data, such as the environment or a date,
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you can type (or select from the dropdown list) the following:
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- Environment
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- Deployed-before
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- Deployed-after
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NOTE:
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Projects using a [fast-forward merge method](methods/index.md#fast-forward-merge)
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do not return results, as this method does not create a merge commit.
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When filtering by an environment, a dropdown list presents all environments that
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you can choose from:
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When filtering by `Deployed-before` or `Deployed-after`, the date refers to when
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the deployment to an environment (triggered by the merge commit) completed successfully.
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You must enter the deploy date manually. Deploy dates
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use the format `YYYY-MM-DD`, and must be quoted if you wish to specify
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both a date and time (`"YYYY-MM-DD HH:MM"`):
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## Add changes to a merge request
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If you have permission to add changes to a merge request, you can add your changes
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to an existing merge request in several ways, depending on the complexity of your
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change and whether you need access to a development environment:
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- [Edit changes in the Web IDE](../web_ide/index.md) in your browser with the
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<kbd>.</kbd> [keyboard shortcut](../../shortcuts.md). Use this
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browser-based method to edit multiple files, or if you are not comfortable with Git commands.
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You cannot run tests from the Web IDE.
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- [Edit changes in Gitpod](../../../integration/gitpod.md#launch-gitpod-in-gitlab), if you
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need a fully-featured environment to both edit files, and run tests afterward. Gitpod
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supports running the [GitLab Development Kit (GDK)](https://gitlab.com/gitlab-org/gitlab-development-kit).
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To use Gitpod, you must [enable Gitpod in your user account](../../../integration/gitpod.md#enable-gitpod-in-your-user-settings).
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- [Push changes from the command line](../../../gitlab-basics/start-using-git.md), if you are
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familiar with Git and the command line.
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## Assign a user to a merge request
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To assign the merge request to a user, use the `/assign @user`
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[quick action](../quick_actions.md#issues-merge-requests-and-epics) in a text area in
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a merge request, or:
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1. On the top bar, select **Main menu > Projects** and find your project.
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1. On the left sidebar, select **Merge requests** and find your merge request.
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1. On the right sidebar, expand the right sidebar and locate the **Assignees** section.
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1. Select **Edit**.
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1. Search for the user you want to assign, and select the user.
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The merge request is added to the user's assigned merge request list.
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### Assign multiple users **(PREMIUM)**
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> Moved to GitLab Premium in 13.9.
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GitLab enables multiple assignees for merge requests, if multiple people are
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accountable for it:
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To assign multiple assignees to a merge request, use the `/assign @user`
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[quick action](../quick_actions.md#issues-merge-requests-and-epics) in a text area, or:
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1. On the top bar, select **Main menu > Projects** and find your project.
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1. On the left sidebar, select **Merge requests** and find your merge request.
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1. On the right sidebar, expand the right sidebar and locate the **Assignees** section.
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1. Select **Edit** and, from the dropdown list, select all users you want
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to assign the merge request to.
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To remove an assignee, clear the user from the same dropdown list.
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## Close a merge request
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If you decide to permanently stop work on a merge request,
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GitLab recommends you close the merge request rather than
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[delete it](#delete-a-merge-request). The author and assignees of a merge request, and users with
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Developer, Maintainer, or Owner [roles](../../permissions.md) in a project
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can close merge requests in the project:
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1. Go to the merge request you want to close.
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1. Scroll to the comment box at the bottom of the page.
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1. Following the comment box, select **Close merge request**.
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GitLab closes the merge request, but preserves records of the merge request,
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its comments, and any associated pipelines.
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### Delete a merge request
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GitLab recommends you close, rather than delete, merge requests.
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WARNING:
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You cannot undo the deletion of a merge request.
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To delete a merge request:
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1. Sign in to GitLab as a user with the project Owner role.
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Only users with this role can delete merge requests in a project.
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1. Go to the merge request you want to delete, and select **Edit**.
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1. Scroll to the bottom of the page, and select **Delete merge request**.
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### Update merge requests when target branch merges **(FREE SELF)**
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> - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/320902) in GitLab 13.9.
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> - [Disabled on self-managed](https://gitlab.com/gitlab-org/gitlab/-/issues/320902) in GitLab 13.9.
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> - [Enabled on self-managed](https://gitlab.com/gitlab-org/gitlab/-/issues/320895) GitLab 13.10.
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Merge requests are often chained together, with one merge request depending on
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the code added or changed in another merge request. To support keeping individual
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merge requests small, GitLab can update up to four open merge requests when their
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target branch merges into `main`. For example:
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- **Merge request 1**: merge `feature-alpha` into `main`.
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- **Merge request 2**: merge `feature-beta` into `feature-alpha`.
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If these merge requests are open at the same time, and merge request 1 (`feature-alpha`)
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merges into `main`, GitLab updates the destination of merge request 2 from `feature-alpha`
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to `main`.
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Merge requests with interconnected content updates are usually handled in one of these ways:
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- Merge request 1 is merged into `main` first. Merge request 2 is then
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retargeted to `main`.
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- Merge request 2 is merged into `feature-alpha`. The updated merge request 1, which
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now contains the contents of `feature-alpha` and `feature-beta`, is merged into `main`.
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This feature works only when a merge request is merged. Selecting **Remove source branch**
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after merging does not retarget open merge requests. This improvement is
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[proposed as a follow-up](https://gitlab.com/gitlab-org/gitlab/-/issues/321559).
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## Merge request workflows
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For a software developer working in a team:
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1. You check out a new branch, and submit your changes through a merge request.
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1. You gather feedback from your team.
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1. You work on the implementation optimizing code with [Code Quality reports](../../../ci/testing/code_quality.md).
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1. You verify your changes with [Unit test reports](../../../ci/testing/unit_test_reports.md) in GitLab CI/CD.
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1. You avoid using dependencies whose license is not compatible with your project with [License Compliance reports](../../compliance/license_compliance/index.md).
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1. You request the [approval](approvals/index.md) from your manager.
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1. Your manager:
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1. Pushes a commit with their final review.
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1. [Approves the merge request](approvals/index.md).
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1. Sets it to [merge when pipeline succeeds](merge_when_pipeline_succeeds.md).
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1. Your changes get deployed to production with [manual jobs](../../../ci/jobs/job_control.md#create-a-job-that-must-be-run-manually) for GitLab CI/CD.
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1. Your implementations were successfully shipped to your customer.
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For a web developer writing a webpage for your company's website:
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1. You check out a new branch and submit a new page through a merge request.
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1. You gather feedback from your reviewers.
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1. You preview your changes with [Review Apps](../../../ci/review_apps/index.md).
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1. You request your web designers for their implementation.
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1. You request the [approval](approvals/index.md) from your manager.
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1. Once approved, your merge request is [squashed and merged](squash_and_merge.md), and [deployed to staging with GitLab Pages](https://about.gitlab.com/blog/2021/02/05/ci-deployment-and-environments/).
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1. Your production team [cherry-picks](cherry_pick_changes.md) the merge commit into production.
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## Related topics
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- [Create a merge request](creating_merge_requests.md)
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- [Review a merge request](reviews/index.md)
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- [Authorization for merge requests](authorization_for_merge_requests.md)
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- [Testing and reports](../../../ci/testing/index.md)
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- [GitLab keyboard shortcuts](../../shortcuts.md)
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- [Comments and threads](../../discussions/index.md)
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- [Suggest code changes](reviews/suggestions.md)
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- [Commits](commits.md)
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- [CI/CD pipelines](../../../ci/index.md)
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- [Push options](../push_options.md) for merge requests
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