diff options
| -rw-r--r-- | doc/user/project/merge_requests/index.md | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/doc/user/project/merge_requests/index.md b/doc/user/project/merge_requests/index.md index 954454f7e7a..c2299ca827a 100644 --- a/doc/user/project/merge_requests/index.md +++ b/doc/user/project/merge_requests/index.md @@ -3,6 +3,59 @@ Merge requests allow you to exchange changes you made to source code and collaborate with other people on the same project. +## Overview + +A Merge Request (**MR**) is the basis of GitLab as a code collaboration +and version control platform. +Is it simple as the name implies: a _request_ to _merge_ one branch into another. + +With GitLab merge requests, you can: + +- Compare the changes between two [branches](https://git-scm.com/book/en/v2/Git-Branching-Branches-in-a-Nutshell#_git_branching) +- [Review and discuss](../../discussions/index.md#discussions) the proposed modifications inline +- Live preview the changes when [Review Apps](../../../ci/review_apps/index.md) is configured for your project +- Build, test, and deploy your code in a per-branch basis with built-in [GitLab CI/CD](../../../ci/README.md) +- Prevent the merge request from being merged before it's ready with [WIP MRs](#work-in-progress-merge-requests) +- View the deployment process through [Pipeline Graphs](../../../ci/pipelines.md#pipeline-graphs) +- [Automatically close the issue(s)](../../project/issues/closing_issues.md#via-merge-request) that originated the implementation proposed in the merge request +- Assign it to any registered user, and change the assignee how many times you need +- Assign a [milestone](../../project/milestones/index.md) and track the development of a broader implementation +- Organize your issues and merge requests consistently throughout the project with [labels](../../project/labels.md) +- Add a time estimation and the time spent with that merge request with [Time Tracking](../../../workflow/time_tracking.html#time-tracking) +- [Resolve merge conflicts from the UI](#resolve-conflicts) + +With **[GitLab Enterprise Edition][ee]**, you can also: + +- View the deployment process across projects with [Multi-Project Pipeline Graphs](https://docs.gitlab.com/ee/ci/multi_project_pipeline_graphs.html#multi-project-pipeline-graphs) (available only in GitLab Enterprise Edition Premium) +- Request [approvals](https://docs.gitlab.com/ee/user/project/merge_requests/merge_request_approvals.html) from your managers (available in GitLab Enterprise Edition Starter) +- Enable [fast-forward merge requests](https://docs.gitlab.com/ee/user/project/merge_requests/fast_forward_merge.html) (available in GitLab Enterprise Edition Starter) +- [Squash and merge](https://docs.gitlab.com/ee/user/project/merge_requests/squash_and_merge.html) for a cleaner commit history (available in GitLab Enterprise Edition Starter) +- Enable [semi-linear history merge requests](https://docs.gitlab.com/ee/user/project/merge_requests/index.html#semi-linear-history-merge-requests) as another security layer to guarantee the pipeline is passing in the target branch (available in GitLab Enterprise Edition Starter) +- Analise the impact of your changes with [Code Quality reports](https://docs.gitlab.com/ee/user/project/merge_requests/code_quality_diff.html) (available in GitLab Enterprise Edition Starter) + +## Use cases + +A. Consider you are a software developer working in a team: + +1. You checkout a new branch, and submit your changes through a merge request +1. You gather feedback from your team +1. You work on the implementation optimizing code with [Code Quality reports](https://docs.gitlab.com/ee/user/project/merge_requests/code_quality_diff.html) (available in GitLab Enterprise Edition Starter) +1. You build and test your changes with GitLab CI/CD +1. You request the approval from your manager (available in GitLab Enterprise Edition Starter) +1. Your manager pushes a commit with his final review, [approves the merge request](https://docs.gitlab.com/ee/user/project/merge_requests/merge_request_approvals.html), and set it to [merge when pipeline succeeds](#merge-when-pipeline-succeeds) (Merge Request Approvals are available in GitLab Enterprise Edition Starter) +1. Your changes get deployed to production with [manual actions](../../../ci/yaml/README.md#manual-actions) for GitLab CI/CD +1. Your implementations were successfully shipped to your customer + +B. Consider you're a web developer writing a webpage for your company's: + +1. You checkout a new branch, and submit a new page through a merge request +1. You gather feedback from your reviewers +1. Your changes are previewed with [Review Apps](../../../ci/review_apps/index.md) +1. You request your web designers for their implementation +1. You request the [approval](https://docs.gitlab.com/ee/user/project/merge_requests/merge_request_approvals.html) from your manager (available in GitLab Enterprise Edition Starter) +1. Once approved, your merge request is [squashed and merged](https://docs.gitlab.com/ee/user/project/merge_requests/squash_and_merge.html), and [deployed to staging with GitLab Pages](https://about.gitlab.com/2016/08/26/ci-deployment-and-environments/) (Squash and Merge is available in GitLab Enterprise Edition Starter) +1. Your production team [cherry picks](#cherry-pick-changes) the merge commit into production + ## Authorization for merge requests There are two main ways to have a merge request flow with GitLab: @@ -79,6 +132,16 @@ specific commit page. You can append `?w=1` while on the diffs page of a merge request to ignore any whitespace changes. +## Live preview with Review Apps + +If you configured [Review Apps](https://about.gitlab.com/features/review-apps/) for your project, +you can preview the changes submitted to a feature-branch through a merge request +in a per-branch basis. No need to checkout the branch, install and preview locally; +all your changes will be available to preview by anyone with the Review Apps link. + +[Read more about Review Apps.](../../../ci/review_apps/index.md) + + ## Tips Here are some tips that will help you be more efficient with merge requests in @@ -167,3 +230,4 @@ git checkout origin/merge-requests/1 ``` [protected branches]: ../protected_branches.md +[ee]: https://about.gitlab.com/gitlab-ee/ "GitLab Enterprise Edition" |