[swift-dev] Cleaning up stale branches?

[Mark Lacey]

> On Oct 21, 2016, at 9:14 AM, Daniel Dunbar via swift-dev <swift-dev at swift.org> wrote:
> 
> While on this topic...
> 
> GitHub's support for doing cross-repo pull requests is excellent. Anyone can easily fork the main repo, and push to their side repo (for example, with: `git push ddunbar HEAD:name-of-my-new-branch`) and the GitHub web UI on the main repo will automatically show you a handy button for creating the PR.

You can also set the pushurl for a remote so that it goes to a different repo. This is what I do:
$ git remote -v
origin	git at github.com:apple/swift.git (fetch)
origin	git at github.com:rudkx/swift.git (push)

This makes it possible to continue using ./utils/update-checkout to set up and update repos, with the one small step that you need to use ‘git config’ to set the pushurl after the initial clone.

Any ‘push’ thereafter will go to your fork.

The only minor annoyance I’ve run across is that ‘git fetch --prune’ and ‘git remote update --prune’ will delete tracking branches for things you push to your fork.

> With this level of support, IMHO branches usually should be pushed to individual's own repos, not the main repo.

I agree. This is how I’ve done all my PRs.

Mark


> 
>  - Daniel
> 
>> On Oct 21, 2016, at 5:50 AM, Alex Blewitt via swift-dev <swift-dev at swift.org <mailto:swift-dev at swift.org>> wrote:
>> 
>> There are a lot of branches in the main Swift Git repository at the moment. Many of these appear to be short-term testing branches that are out of date, or work in progress that may be better in an external repository until the work is done. There are also a number of branches (e.g. swift-3.0-preview-*-branch) which are in most cases out-of-step with the tags due to updating version numbers e.g.
>> 
>> 9cf1a6f807dd0d36eca20433341a4f1667616431 tag:swift-3.0-PREVIEW-5
>> b687a0a9d3a4b588ee6c8ca5b43042bbd2fb8586 head:swift-3.0-preview-5-branch
>> 
>> Cleaning up the stale branches will allow others to focus on what the current work areas are, and what are the main branches to be pushing changes to.
>> 
>> $ git ls-remote --heads | cut -b-33 | xargs -n 1 git show -s --oneline "--pretty=format:%d %ar"
>> From https://github.com/apple/swift <https://github.com/apple/swift>
>>  (origin/SR-2545) 7 weeks ago
>>  (origin/_fastCStringContents) 4 months ago
>>  (origin/dabrahams-patch-1) 3 months ago
>>  (origin/dabrahams-patch-3) 8 days ago
>>  (origin/disable-associated-type-witness-inference) 4 months ago
>>  (origin/distributed-test) 7 weeks ago
>>  (origin/dwa-misc) 3 days ago
>>  (origin/eager-bridging) 8 weeks ago
>>  (origin/expression-breakup) 10 days ago
>>  (origin/external-swift-stdlib) 4 weeks ago
>>  (origin/inhibit-implicit-conversions) 6 months ago
>>  (origin/jtbandes-patch-1) 5 weeks ago
>>  (origin/line-directive-maintenance) 4 weeks ago
>>  (origin/master, origin/HEAD) 10 hours ago
>>  (origin/master-next) 2 days ago
>>  (origin/moredistcc) 35 hours ago
>>  (origin/new-integer-protocols) 15 hours ago
>>  (origin/non-comparable-indices) 4 months ago
>>  (origin/revert-5309-overlays-and-silgen_name) 2 days ago
>>  (origin/rst-to-markdown) 5 months ago
>>  (origin/runtime-fix-swift-error-box-comparison) 5 weeks ago
>>  (origin/silgen-tests-should-build-modules) 7 weeks ago
>>  (origin/stdlib-BidirectionalCollection.removeLast) 5 weeks ago
>>  (origin/stdlib-default-RangeReplaceableCollection.SubSequence-3.0) 5 weeks ago
>>  (origin/stdlib-indexing) 5 weeks ago
>>  (tag: swift-2.2.1-SNAPSHOT-2016-04-23-a, origin/swift-2.2-branch) 6 months ago
>>  (origin/swift-2.2-with-migration-attributes) 4 weeks ago
>>  (origin/swift-2.3-branch) 9 weeks ago
>>  (origin/swift-3-indexing-model-typechecker-bug-1) 7 months ago
>>  (origin/swift-3.0-branch) 13 hours ago
>>  (origin/swift-3.0-preview-1-branch) 4 months ago
>>  (origin/swift-3.0-preview-2-branch) 4 months ago
>>  (origin/swift-3.0-preview-3-branch) 3 months ago
>>  (origin/swift-3.0-preview-4-branch) 3 months ago
>>  (origin/swift-3.0-preview-5-branch) 3 months ago
>>  (origin/swift-3.0-preview-5-speculative) 3 months ago
>>  (origin/swift-3.0.1-preview-2-branch) 4 weeks ago
>>  (origin/tests-mkdir-p) 7 weeks ago
>>  (origin/underscore-playgroundquicklook) 2 months ago
>>  (origin/update-checkout-script-for-2.3) 3 months ago
>> 
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