mirror of
https://github.com/PowerShell/PowerShell
synced 2026-06-08 12:12:50 +00:00
103 lines
3.2 KiB
Markdown
103 lines
3.2 KiB
Markdown
# Working with PowerShell repository
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## Get the code for the first time
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```sh
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git clone https://github.com/PowerShell/PowerShell.git --branch=master
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```
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## Branches
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* Don't commit your changes directly to master.
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It will make the collaborative workflow messy.
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* Checkout a new local branch from `master` for every change you want to make (bugfix, feature).
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* Use lowercase-with-dashes for naming.
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* Follow [Linus' recommendations][Linus] about history.
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* "People can (and probably should) rebase their _private_ trees (their own work). That's a _cleanup_. But never other peoples code. That's a 'destroy history'...
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You must never EVER destroy other peoples history. You must not rebase commits other people did.
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Basically, if it doesn't have your sign-off on it, it's off limits: you can't rebase it, because it's not yours."
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### Understand branches
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* **master** is the branch with the latest and greatest changes.
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It could be unstable.
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* Send your pull requests to **master**.
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### Sync your local repository
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Use **git rebase** instead of **git merge** and **git pull**, when you're updating your feature-branch.
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```sh
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# fetch updates all remote branch references in the repository
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# --all : tells it to do it for all remotes (handy, when you use your fork)
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# -p : tells it to remove obsolete remote branch references (when they are removed from remote)
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git fetch --all -p
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# rebase on origin/master will rewrite your branch history
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git rebase origin/master
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```
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### More complex scenarios
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Covering all possible git scenarios is behind the scope of the current document.
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Git has excellent documentation and lots of materials available online.
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We are leaving a few links here:
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[Linus]:https://web.archive.org/web/20230522041845/https://wincent.com/wiki/git_rebase%3A_you're_doing_it_wrong
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## Tags
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If you are looking for the source code for a particular release,
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you will find it via **tags**.
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* `git tag` will show you list of all tags.
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* Find the tag that corresponds to the release.
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* Use `git checkout <tag-name>` to get this version.
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**Note:** [checking out a tag][tag] will move the repository to a [DETACHED HEAD][HEAD] state.
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[tag]:https://git-scm.com/book/en/v2/Git-Basics-Tagging#Checking-out-Tags
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[HEAD]:https://www.git-tower.com/learn/git/faq/detached-head-when-checkout-commit
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If you want to make changes, based on tag's version (i.e. a hotfix),
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checkout a new branch from this DETACHED HEAD state.
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```sh
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git checkout -b vors/hotfix
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```
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## Recommended Git configurations
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We highly recommend these configurations to help deal with whitespace,
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rebasing, and general use of Git.
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> Auto-corrects your command when it's sure (`stats` to `status`)
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```sh
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git config --global help.autoCorrect -1
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```
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> Refuses to merge when pulling, and only pushes to branch with same name.
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```sh
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git config --global pull.ff only
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git config --global push.default current
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```
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> Shows shorter commit hashes and always shows reference names in the log.
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```sh
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git config --global log.abbrevCommit true
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git config --global log.decorate short
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```
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> Ignores whitespace changes and uses more information when merging.
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```sh
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git config --global apply.ignoreWhitespace change
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git config --global rerere.enabled true
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git config --global rerere.autoUpdate true
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git config --global am.threeWay true
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```
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