Issues with new testing scripts

Kambiz Darabi darabi at
Fri Jan 1 08:59:58 UTC 2016

Happy New Year,

On 2015-12-31 16:12 CET, Robert Goldman <rpgoldman at> wrote:

> On 12/31/15 Dec 31 -5:46 AM, Kambiz Darabi wrote:
>> On 2015-12-29 01:58 CET, Robert Goldman <rpgoldman at> wrote:
>>> The problem of having clones not get auto-populated seems not worse than
>>> needing to do a magical incantation when you merge stuff back and forth
>>> at the cost of garbling your repo.
>> The complete magical incantation reads:
>> git subtree add --prefix=ext/alexandria --squash master
>> and to update it to the lastest master, replace 'add' with 'pull'.
>>> The submodules cause annoying quiet failures, but even when the annoying
>>> quiet failures happen, you don't end up mangling your repo.
>> The problem with submodules is that every single person who checks out
>> the repo is concerned with it, whereas git subtree has to be performed
>> only by one single person and for all others it just works without them
>> even knowing that there is a 'subtree' being used somewhere. 
> Can you explain that stuff about needing to squash? I read the subtree
> tutorial and that discussion just seemed like gibberish to me.  Very far
> from clear.  Maybe it's easier than the discussion made it seem.  As I
> read it, it seemed to be saying that if you didn't remember to do
> --squash at the right times you would end up with a repo clogged with
> duplicate commits.
> If that's the case...ugh.  But perhaps it was just a bad explanation?
> Or does your subtree add expression above ensure that the squashing
> becomes the default?

My command above does contain the '--squash' option. The git-subtree
author just chose the wrong default: usually, you are not interested in
seeing each and every commit in the external repo.

But again, if you do the wrong thing, it's just a matter of:

git reset --hard HEAD~2
git subtree add/pull --squash ...

> If we could figure this out maybe subtrees would be easier.  But if you
> have to remember to squash every time, forget it....

IMO such commands should be automated with a makefile entry, so you
wouldn't have to remember the --squash option.

>>> A distributed, versioned object database is just hard. And the git UI
>>> isn't making it easier.
>> I use VCS since 1989 and have never had an easier way of tracking vendor
>> branches than this.
> FWIW, the subversion externals seem *much* easier to use.  But
> subversion is centralized, which makes this problem much easier, so it's
> not a fair comparison.

I remember there was also some incantation with svn propset/propget, you
had to commit separately if you changed something in the vendor
branch. And we also had problems with tagging and branching which I'm
happy not to remember any more.



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