Re: [webkit-dev] Version control survey results

2013-02-18 Thread Adam Roben
 (For current svn users I assume using svn would become effectively 
 impossible; the only tool I could find to do this is server-side and 
 essentially maintains git and svn repositories in parallel.)

FYI, any Git repository on GitHub also functions as a Subversion repository:

$ svn checkout https://github.com/WebKit/webkit/trunk WebKit
AWebKit/.dir-locals.el
AWebKit/.gitattributes
AWebKit/.gitignore
AWebKit/.qmake.conf
AWebKit/CMakeLists.txt
AWebKit/ChangeLog
AWebKit/ChangeLog-2012-05-22
AWebKit/Examples
AWebKit/Examples/ChangeLog
AWebKit/Examples/NetscapeCocoaPlugin
AWebKit/Examples/NetscapeCocoaPlugin/English.lproj
AWebKit/Examples/NetscapeCocoaPlugin/English.lproj/InfoPlist.strings
AWebKit/Examples/NetscapeCocoaPlugin/Info.plist
AWebKit/Examples/NetscapeCocoaPlugin/MenuHandler.h
AWebKit/Examples/NetscapeCocoaPlugin/MenuHandler.m
…

You can even use Subversion branches to create pull requests on GitHub
(though I don't know what the performance would be like for a
repository as large as WebKit):
https://github.com/blog/1178-collaborating-on-github-with-subversion.
GitHub doesn't currently make the Subversion-Git bridge available
for non-GitHub repositories.

I don't say this to try to convince anyone to switch to Git or GitHub;
I just thought it seemed relevant.

-Adam
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Re: [webkit-dev] Version control survey results

2013-02-17 Thread Eric Seidel
I wonder if the git-taking-over-the-project trend has continued a year later.

I'm also glad to see efforts like
https://bugs.webkit.org/show_bug.cgi?id=110073 towards standardizing
on a simpler git workflow. :)

Thanks again for running the survey.

On Sat, Apr 7, 2012 at 4:58 PM, Maciej Stachowiak m...@apple.com wrote:

 On Mar 22, 2012, at 9:16 PM, Adam Barth wrote:

 On Sat, Mar 10, 2012 at 12:49 PM, Maciej Stachowiak m...@apple.com wrote:
 I made a bad choice of survey site. They want to charge me to see more than
 100 responses or to export the data, but they won't take my money. Sadness.
 Please try this survey instead, it will run through the 17th.

 The survey seems to be over.  Any word on the results?

 Here's the results:

 == All persons responding ==

 Total responses: 167
 Use SVN only: 24 (14%)
 Use SVN+ Git: 26 (16%)
 Use Git Only: 115 (69%)
 Other: 2 (1%)

 == Only committers + reviewers ==

 Total responses: 105
 Use SVN only: 18 (17%)
 Use SVN+ Git: 21 (20%)
 Use Git Only: 65 (62%)
 Other: 1 (1%)

 == Only reviewers ==

 Total responses: 48
 Use SVN only: 12 (25%)
 Use SVN+ Git: 13 (27%)
 Use Git Only: 22 (45%)
 Other: 1 (2%)

 == Values of other responses ==

 1 git-svn
 1 Commit queue + trac

 == Conclusions (assuming the sample is representative) ==

 - More of the WebKit community uses Git than SVN to access the WebKit 
 repository
 - Quite a few people use both
 - A significant proportion of the community uses SVN, and a significant 
 fraction of those use it exclusively
 - Reviewers (presumably longer-time, more experienced contributors) are more 
 likely to use SVN than newer contributors
 - Newer participants are particularly likely to use Git


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Re: [webkit-dev] Version control survey results

2013-02-17 Thread Maciej Stachowiak

There's probably proportionately more people using Git. Making these web 
surveys is a pain, so I'd rather not do it again if we don't need to.

What would be the pros and cons of the master repository being git instead of 
svn, for git users? 

(For current svn users I assume using svn would become effectively impossible; 
the only tool I could find to do this is server-side and essentially maintains 
git and svn repositories in parallel.)

 - Maciej

On Feb 17, 2013, at 9:00 PM, Eric Seidel e...@webkit.org wrote:

 I wonder if the git-taking-over-the-project trend has continued a year later.
 
 I'm also glad to see efforts like
 https://bugs.webkit.org/show_bug.cgi?id=110073 towards standardizing
 on a simpler git workflow. :)
 
 Thanks again for running the survey.
 
 On Sat, Apr 7, 2012 at 4:58 PM, Maciej Stachowiak m...@apple.com wrote:
 
 On Mar 22, 2012, at 9:16 PM, Adam Barth wrote:
 
 On Sat, Mar 10, 2012 at 12:49 PM, Maciej Stachowiak m...@apple.com wrote:
 I made a bad choice of survey site. They want to charge me to see more than
 100 responses or to export the data, but they won't take my money. Sadness.
 Please try this survey instead, it will run through the 17th.
 
 The survey seems to be over.  Any word on the results?
 
 Here's the results:
 
 == All persons responding ==
 
 Total responses: 167
 Use SVN only: 24 (14%)
 Use SVN+ Git: 26 (16%)
 Use Git Only: 115 (69%)
 Other: 2 (1%)
 
 == Only committers + reviewers ==
 
 Total responses: 105
 Use SVN only: 18 (17%)
 Use SVN+ Git: 21 (20%)
 Use Git Only: 65 (62%)
 Other: 1 (1%)
 
 == Only reviewers ==
 
 Total responses: 48
 Use SVN only: 12 (25%)
 Use SVN+ Git: 13 (27%)
 Use Git Only: 22 (45%)
 Other: 1 (2%)
 
 == Values of other responses ==
 
 1 git-svn
 1 Commit queue + trac
 
 == Conclusions (assuming the sample is representative) ==
 
 - More of the WebKit community uses Git than SVN to access the WebKit 
 repository
 - Quite a few people use both
 - A significant proportion of the community uses SVN, and a significant 
 fraction of those use it exclusively
 - Reviewers (presumably longer-time, more experienced contributors) are more 
 likely to use SVN than newer contributors
 - Newer participants are particularly likely to use Git
 
 
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Re: [webkit-dev] Version control survey results

2013-02-17 Thread Eric Seidel
On Sun, Feb 17, 2013 at 9:54 PM, Maciej Stachowiak m...@apple.com wrote:

 There's probably proportionately more people using Git. Making these web 
 surveys is a pain, so I'd rather not do it again if we don't need to.

 What would be the pros and cons of the master repository being git instead of 
 svn, for git users?

The conversion is clearly not loss-less. :)  So it's like asking what
would be the pros of backing an SVN checkout with an SVN repository
instead of a Git one (or a CVS one for that matter).

I'm sure someone who cares more deeply about version control than I do
could give you a list. :)

But that's not really an argument I'm interested in pushing.  I
believe eventually the remaining SVN users will switch to distributed
version control of their own will, and we'll eventually decide to stop
supporting SVN because not enough of the project is using it to
justify causing the majority of users to use a translated solution.

But we have larger problems to solve in WebKit besides what version
control system we're using. :)

I'm sorry for re-starting this thread and distracting from more
important discussions.  It just crossed my mind for whatever reason
again this evening.

 (For current svn users I assume using svn would become effectively 
 impossible; the only tool I could find to do this is server-side and 
 essentially maintains git and svn repositories in parallel.)

  - Maciej

 On Feb 17, 2013, at 9:00 PM, Eric Seidel e...@webkit.org wrote:

 I wonder if the git-taking-over-the-project trend has continued a year later.

 I'm also glad to see efforts like
 https://bugs.webkit.org/show_bug.cgi?id=110073 towards standardizing
 on a simpler git workflow. :)

 Thanks again for running the survey.

 On Sat, Apr 7, 2012 at 4:58 PM, Maciej Stachowiak m...@apple.com wrote:

 On Mar 22, 2012, at 9:16 PM, Adam Barth wrote:

 On Sat, Mar 10, 2012 at 12:49 PM, Maciej Stachowiak m...@apple.com wrote:
 I made a bad choice of survey site. They want to charge me to see more 
 than
 100 responses or to export the data, but they won't take my money. 
 Sadness.
 Please try this survey instead, it will run through the 17th.

 The survey seems to be over.  Any word on the results?

 Here's the results:

 == All persons responding ==

 Total responses: 167
 Use SVN only: 24 (14%)
 Use SVN+ Git: 26 (16%)
 Use Git Only: 115 (69%)
 Other: 2 (1%)

 == Only committers + reviewers ==

 Total responses: 105
 Use SVN only: 18 (17%)
 Use SVN+ Git: 21 (20%)
 Use Git Only: 65 (62%)
 Other: 1 (1%)

 == Only reviewers ==

 Total responses: 48
 Use SVN only: 12 (25%)
 Use SVN+ Git: 13 (27%)
 Use Git Only: 22 (45%)
 Other: 1 (2%)

 == Values of other responses ==

 1 git-svn
 1 Commit queue + trac

 == Conclusions (assuming the sample is representative) ==

 - More of the WebKit community uses Git than SVN to access the WebKit 
 repository
 - Quite a few people use both
 - A significant proportion of the community uses SVN, and a significant 
 fraction of those use it exclusively
 - Reviewers (presumably longer-time, more experienced contributors) are 
 more likely to use SVN than newer contributors
 - Newer participants are particularly likely to use Git


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Re: [webkit-dev] Version control survey results

2013-02-17 Thread Eric Seidel
On Sun, Feb 17, 2013 at 10:07 PM, Eric Seidel e...@webkit.org wrote:
 On Sun, Feb 17, 2013 at 9:54 PM, Maciej Stachowiak m...@apple.com wrote:

 There's probably proportionately more people using Git. Making these web 
 surveys is a pain, so I'd rather not do it again if we don't need to.

 What would be the pros and cons of the master repository being git instead 
 of svn, for git users?

 The conversion is clearly not loss-less. :)  So it's like asking what
 would be the pros of backing an SVN checkout with an SVN repository
 instead of a Git one (or a CVS one for that matter).

Of course I meant backing an SVN checkout with a Git repository
instead of an SVN one (or a CVS one for that matter).  If that makes
any more sense. :)

 I'm sure someone who cares more deeply about version control than I do
 could give you a list. :)

 But that's not really an argument I'm interested in pushing.  I
 believe eventually the remaining SVN users will switch to distributed
 version control of their own will, and we'll eventually decide to stop
 supporting SVN because not enough of the project is using it to
 justify causing the majority of users to use a translated solution.

 But we have larger problems to solve in WebKit besides what version
 control system we're using. :)

 I'm sorry for re-starting this thread and distracting from more
 important discussions.  It just crossed my mind for whatever reason
 again this evening.

 (For current svn users I assume using svn would become effectively 
 impossible; the only tool I could find to do this is server-side and 
 essentially maintains git and svn repositories in parallel.)

  - Maciej

 On Feb 17, 2013, at 9:00 PM, Eric Seidel e...@webkit.org wrote:

 I wonder if the git-taking-over-the-project trend has continued a year 
 later.

 I'm also glad to see efforts like
 https://bugs.webkit.org/show_bug.cgi?id=110073 towards standardizing
 on a simpler git workflow. :)

 Thanks again for running the survey.

 On Sat, Apr 7, 2012 at 4:58 PM, Maciej Stachowiak m...@apple.com wrote:

 On Mar 22, 2012, at 9:16 PM, Adam Barth wrote:

 On Sat, Mar 10, 2012 at 12:49 PM, Maciej Stachowiak m...@apple.com 
 wrote:
 I made a bad choice of survey site. They want to charge me to see more 
 than
 100 responses or to export the data, but they won't take my money. 
 Sadness.
 Please try this survey instead, it will run through the 17th.

 The survey seems to be over.  Any word on the results?

 Here's the results:

 == All persons responding ==

 Total responses: 167
 Use SVN only: 24 (14%)
 Use SVN+ Git: 26 (16%)
 Use Git Only: 115 (69%)
 Other: 2 (1%)

 == Only committers + reviewers ==

 Total responses: 105
 Use SVN only: 18 (17%)
 Use SVN+ Git: 21 (20%)
 Use Git Only: 65 (62%)
 Other: 1 (1%)

 == Only reviewers ==

 Total responses: 48
 Use SVN only: 12 (25%)
 Use SVN+ Git: 13 (27%)
 Use Git Only: 22 (45%)
 Other: 1 (2%)

 == Values of other responses ==

 1 git-svn
 1 Commit queue + trac

 == Conclusions (assuming the sample is representative) ==

 - More of the WebKit community uses Git than SVN to access the WebKit 
 repository
 - Quite a few people use both
 - A significant proportion of the community uses SVN, and a significant 
 fraction of those use it exclusively
 - Reviewers (presumably longer-time, more experienced contributors) are 
 more likely to use SVN than newer contributors
 - Newer participants are particularly likely to use Git


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Re: [webkit-dev] Version control survey results

2013-02-17 Thread Ryosuke Niwa
On Sun, Feb 17, 2013 at 10:07 PM, Eric Seidel e...@webkit.org wrote:

 On Sun, Feb 17, 2013 at 9:54 PM, Maciej Stachowiak m...@apple.com wrote:
 
  There's probably proportionately more people using Git. Making these web
 surveys is a pain, so I'd rather not do it again if we don't need to.
 
  What would be the pros and cons of the master repository being git
 instead of svn, for git users?


As far as I could recall the last discussion, there won't be much benefit
in switching the master over to git unless we adopt git workflow (e.g.
first new links on https://www.google.com/search?q=git+workflow). In
particular, change loges are the biggest obstacle.

We could try to mitigate this divergence by allowing webkit-patch to fill
in change logs automatically from git commit messages when landing patches.
(I'm not volunteering to do this).

This involves commands like webkit-patch upload automatically pre
populating git commit messages (without modifying change logs) as they do
change logs today, and then commands like webkit-patch land automatically
parsing those git commit messages to populate change logs and commit
--amend them. Commands like webkit patch apply-from-bug can then parse
change log changes and convert them to git commit messages in turn.

I'm not sure how change logs should be updated/constructed in branch-merge
workflow.

But that's not really an argument I'm interested in pushing.  I
 believe eventually the remaining SVN users will switch to distributed
 version control of their own will, and we'll eventually decide to stop
 supporting SVN because not enough of the project is using it to
 justify causing the majority of users to use a translated solution.


FWIW, I don't plan to use git or any other distributed VCS in contributing
to WebKit. I like svn's simplicity.

- R. Niwa
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