Document how to make changes from latest copy of upstream project / Document how to update fork with latest code from upstream
<!-- * Use this issue template for suggesting new docs or updates to existing docs. Note: Doc work as part of feature development is covered in the Feature Request template. * For issues related to features of the docs.gitlab.com site, see https://gitlab.com/gitlab-org/gitlab-docs/issues/ * For information about documentation content and process, see https://docs.gitlab.com/ee/development/documentation/ --> ### Problem to solve If a user is looking to make a change to upstream project it's not clear how to do so using latest copy of upstream if user previously forked project. <!-- Include the following detail as necessary: * What product or feature(s) affected? * What docs or doc section affected? Include links or paths. * Is there a problem with a specific document, or a feature/process that's not addressed sufficiently in docs? * Any other ideas or requests? --> ### Further details <!-- * Any concepts, procedures, reference info we could add to make it easier to successfully use GitLab? * Include use cases, benefits, and/or goals for this work. * If adding content: What audience is it intended for? (What roles and scenarios?) For ideas, see personas at https://about.gitlab.com/handbook/marketing/product-marketing/roles-personas/ or the persona labels at https://gitlab.com/groups/gitlab-org/-/labels?utf8=%E2%9C%93&subscribed=&search=persona%3A --> ### Proposal * [ ] Document how to update fork with latest code from upstream * Using GitLab UI * Some incomplete details at https://docs.gitlab.com/ee/user/project/repository/forking_workflow.html#repository-mirroring * Mirroring mirrors all branch but they might just want latest copy of main branch * How to do it using free version? * Using Command Line * https://stackoverflow.com/questions/7244321/how-do-i-update-or-sync-a-forked-repository-on-github * https://forum.gitlab.com/t/refreshing-a-fork/32469/2 * [ ] Document how to create new branch from upstream repo w/ all current commits * Selecting edit button from upstream repo and making change following workflow results in new branch created in your fork with latest commits * Also works from web IDE? * Work from create merge request button in issues? <!-- Further specifics for how can we solve the problem. --> ### Who can address the issue <!-- What if any special expertise is required to resolve this issue? --> ### Other links/references <!-- E.g. related GitLab issues/MRs -->
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