[lldb-dev] [llvm-dev] RFC: Switching from Bugzilla to Github Issues [UPDATED]
David Blaikie via lldb-dev
lldb-dev at lists.llvm.org
Tue Apr 21 10:52:38 PDT 2020
All things being equal, I'd prefer Richard Smith's proposal that doesn't
involve needing a new/old numbering scheme, but lets us keep a single
numbering/redirection (& I doubt we need the first 200 bugs in any case -
has anyone referred to bugs that early in the last 5 years, say? But
wouldn't mind if they were copied in with different numbers/some kind of
redirection (but hey, if we can rewrite bug contents - we could always move
the existing 200 bugs (but I guess some are pull requests and we can't
totally rewrite those into bugs?) up into the new numbering range once the
necessary numbers are reserved)).
But I understand the single numbering preserving option is likely more
complicated/costly & thus not an equal candidate - just my minor preference.
On Mon, Apr 20, 2020 at 9:58 PM Tom Stellard via llvm-dev <
llvm-dev at lists.llvm.org> wrote:
> On 04/20/2020 04:08 PM, James Y Knight wrote:
> > In a previous discussion, one other suggestion had been to migrate all
> the bugzilla bugs to a separate initially-private "bug archive" repository
> in github. This has a few benefits:
> > 1. If the migration is messed up, the repo can be deleted, and the
> process run again, until we get a result we like.
> > 2. The numbering can be fully-controlled.
> > Once the bugs are migrated to /some/ github repository, individual
> issues can then be "moved" between repositories, and github will redirect
> from the movefrom-repository's bug to the target repository's bug.
> >
>
> This seems like a good approach to me.
>
> > We could also just have llvm.org/PR### <http://llvm.org/PR#%23%23> <
> http://llvm.org/PR###> be the url only for legacy bugzilla issue numbers
> -- and have it use a file listing the mappings of bugzilla id -> github id
> to generate the redirects. (GCC just did this recently for svn revision
> number redirections,
> https://gcc.gnu.org/pipermail/gcc/2020-April/232030.html).
> >
>
> Would we even need a mapping file for this if we are able to get bugzilla
> id N
> to be archived to GitHub issue id N?
>
> -Tom
>
> > Then we could introduce a new naming scheme for github issue shortlinks.
> >
> > On Mon, Apr 20, 2020 at 3:50 PM Richard Smith via llvm-dev <
> llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
> >
> > On Mon, 20 Apr 2020 at 12:31, Tom Stellard via llvm-dev <
> llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
> >
> > Hi,
> >
> > I wanted to continue discussing the plan to migrate from
> Bugzilla to Github.
> > It was suggested that I start a new thread and give a summary of
> the proposal
> > and what has changed since it was originally proposed in October.
> >
> > == Here is the original proposal:
> >
> >
> http://lists.llvm.org/pipermail/llvm-dev/2019-October/136162.html
> >
> > == What has changed:
> >
> > * You will be able to subscribe to notifications for a specific
> issue
> > labels. We have a proof of concept notification system using
> github actions
> > that will be used for this.
> >
> > * Emails will be sent to llvm-bugs when issues are opened or
> closed.
> >
> > * We have the initial list of labels:
> https://github.com/llvm/llvm-project/labels
> >
> > == Remaining issue:
> >
> > * There is one remaining issue that I don't feel we have
> consensus on,
> > and that is what to do with bugs in the existing bugzilla. Here
> are some options
> > that we have discussed:
> >
> > 1. Switch to GitHub issues for new bugs only. Bugs filed in
> bugzilla that are
> > still active will be updated there until they are closed. This
> means that over
> > time the number of active bugs in bugzilla will slowly decrease
> as bugs are closed
> > out. Then at some point in the future, all of the bugs from
> bugzilla will be archived
> > into their own GitHub repository that is separate from the
> llvm-project repo.
> >
> > 2. Same as 1, but also create a migration script that would
> allow anyone to
> > manually migrate an active bug from bugzilla to a GitHub issue
> in the llvm-project
> > repo. The intention with this script is that it would be used
> to migrate high-traffic
> > or important bugs from bugzilla to GitHub to help increase the
> visibility of the bug.
> > This would not be used for mass migration of all the bugs.
> >
> > 3. Do a mass bug migration from bugzilla to GitHub and enable
> GitHub issues at the same time.
> > Closed or inactive bugs would be archived into their own GitHub
> repository, and active bugs
> > would be migrated to the llvm-project repo.
> >
> >
> > Can we preserve the existing bug numbers if we migrate this way?
> There are lots of references to "PRxxxxx" in checked in LLVM artifacts and
> elsewhere in the world, as well as links to llvm.org/PRxxxxx <
> http://llvm.org/PRxxxxx>, and if we can preserve all the issue numbers
> this would ease the transition pain substantially.
> >
> >
> > The key difference between proposal 1,2 and 3, is when bugs will
> be archived from bugzilla
> > to GitHub. Delaying the archiving of bugs (proposals 1 and 2)
> means that we can migrate
> > to GitHub issues sooner (within 1-2 weeks), whereas trying to
> archive bugs during the
> > transition (proposal 3) will delay the transition for a while
> (likely several months)
> > while we evaluate the various solutions for moving bugs from
> bugzilla to GitHub.
> >
> >
> > The original proposal was to do 1 or 2, however there were some
> concerns raised on the list
> > that having 2 different places to search for bugs for some
> period of time would
> > be very inconvenient. So, I would like to restart this
> discussion and hopefully we can
> > come to some kind of conclusion about the best way forward.
> >
> > Thanks,
> > Tom
> >
> > _______________________________________________
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> >
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> >
>
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