Re: [PATCH] t5516-fetch-push: Correct misspelled pushInsteadOf

2015-03-04 Thread Junio C Hamano
Michael J Gruber g...@drmicha.warpmail.net writes:

 I am not sure how the intention of the commit 1c2eafb8 (Add
 url.base.pushInsteadOf: URL rewriting for push only, 2009-09-07),
 which introduced the behaviour verified by this test, interacts with
 the desire to redefine what URL and pushURL mean in our recent past,
 what e.g. e6196ae1 (remote: add --fetch and --both options to set-url,
 2014-11-25) wanted to do, though.  Thoughts?
 

 Wow. That looks strange to me on first read. Sorry I didn't catch it
 back then. --fetch sets both url and pushurl??

Yeah, sounds crazy, no?  Taken in isolation without consideration
around the InsteadOf rewriting, the change sort-of makes sense,
though.

But I do not know if the combined whole makes much sense.

 So, for definiteness sake, I'll use url and pushurl for the config
 names and struct members (which the config values end up in), and I'll
 use URL for fetch and URL for push for the URLs that git will use
 for fetch resp. push.

 If there is no pushurl:
   url will be used as the URL for fetch and as the URL for push.
   if we are pushing and there is pushinsteadof for (part of) url
 subsitute that within url
   else if there is insteadof for (part of) url
 substitute that within url

 If there is a pushurl:
   url will be used as the URL for fetch and pushurl as the URL
 for push.
   if we are pushing and there is insteadof for (part of) pushurl
 substitute that within pushurl
   else if we are fetching and there is insteadof for (part of) url
 substiute that within url

These make sense to me.

 I don't know what remote set-url does, I think the whole remote
 command as it is does not fit in well with our UI, but that applies to
 other commands with non-option subcommands as well (or bad). I would
 have hoped it is set-url and set-pushurl to set those two config
 options.

I would have hoped so, too, but I don't use git remote myself (as
you said, it is an odd man out and there is nothing it and only it
can do that is essential for my everyday workflow), so... ;-)

 I rarely use pushurl, but could use it to override url, or to do the
 above magic on a case by case level, such as if I need to specify
 different usernames for the same host.

 So, that's my understanding of how these things are supposed to work and
 why it is useful.

Yes, I am not questioning the usefulness of insteadof magic.  I am
wondering if that --fetch sets both? breaks the expectation of
those who rely on it.


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Re: [PATCH] t5516-fetch-push: Correct misspelled pushInsteadOf

2015-03-04 Thread Michael J Gruber
Junio C Hamano venit, vidit, dixit 03.03.2015 21:06:
 Michael J Gruber g...@drmicha.warpmail.net writes:
 
 Junio C Hamano venit, vidit, dixit 02.03.2015 20:43:
 Anders Kaseorg ande...@mit.edu writes:

 Signed-off-by: Anders Kaseorg ande...@mit.edu
 ---
  t/t5516-fetch-push.sh | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

 diff --git a/t/t5516-fetch-push.sh b/t/t5516-fetch-push.sh
 index 85c7fec..594d7a6 100755
 --- a/t/t5516-fetch-push.sh
 +++ b/t/t5516-fetch-push.sh
 @@ -238,7 +238,7 @@ test_expect_success 'push with pushInsteadOf' '
  test_expect_success 'push with pushInsteadOf and explicit pushurl 
 (pushInsteadOf should not rewrite)' '
mk_empty testrepo 
test_config url.trash2/.pushInsteadOf testrepo/ 
 -  test_config url.trash3/.pusnInsteadOf trash/wrong 
 +  test_config url.trash3/.pushInsteadOf trash/wrong 
test_config remote.r.url trash/wrong 
test_config remote.r.pushurl testrepo/ 
git push r refs/heads/master:refs/remotes/origin/master 

 Interesting.

 Now an obvious and natural question after seeing this change is how
 the original test passed with misspelled configuration.  Is a test
 that pushes into trash/wrong checking the right outcome?  If the
 reason why the existing tests passed without this patch is because
 they do not test the right thing, then shouldn't they be corrected
 together with the above fix?


 Ha, I was look there, too, just today and was wondering the same.

 I guess the test wanted to make sure (among other things) that
 url.trash3/.pushInsteadOf does not affect the push to remote r (which
 has an explicit pushurl)...
 
 OK, so it makes sure the push goes to testrepo/ but it does not make
 sure trash2 or trash3 are not touched.  Makes sort of sense.
 
 Thanks.
 
 I am not sure how the intention of the commit 1c2eafb8 (Add
 url.base.pushInsteadOf: URL rewriting for push only, 2009-09-07),
 which introduced the behaviour verified by this test, interacts with
 the desire to redefine what URL and pushURL mean in our recent past,
 what e.g. e6196ae1 (remote: add --fetch and --both options to set-url,
 2014-11-25) wanted to do, though.  Thoughts?
 

Wow. That looks strange to me on first read. Sorry I didn't catch it
back then. --fetch sets both url and pushurl??

Also, talking about these things (in the commit msg etc.) can be
confusing very quickly because there are the config names url and
pushurl, the struct members url und pushurl, and then suddenly the
notion of fetch URL appears.

So, for definiteness sake, I'll use url and pushurl for the config
names and struct members (which the config values end up in), and I'll
use URL for fetch and URL for push for the URLs that git will use
for fetch resp. push.

If there is no pushurl:
  url will be used as the URL for fetch and as the URL for push.
  if we are pushing and there is pushinsteadof for (part of) url
subsitute that within url
  else if there is insteadof for (part of) url
substitute that within url

If there is a pushurl:
  url will be used as the URL for fetch and pushurl as the URL
for push.
  if we are pushing and there is insteadof for (part of) pushurl
substitute that within pushurl
  else if we are fetching and there is insteadof for (part of) url
substiute that within url

I don't know what remote set-url does, I think the whole remote
command as it is does not fit in well with our UI, but that applies to
other commands with non-option subcommands as well (or bad). I would
have hoped it is set-url and set-pushurl to set those two config
options. Maybe that's not useful.

The logic above may look a bit strange regarding pushinsteadof, but it's
really what makes this useful. An example:

[url git://github.com/]
insteadOf = github:
[url github:]
pushinsteadOf = github:

This allows me to use
git remote add remotename github:user/reponame

and have fetches over git protocol, pushes over ssh since my ssh_config has:

host github
Hostname github.com
User git
IdentityFile ~/.ssh/repoor_dsa

[url https://bitbucket.org/;]
insteadOf = bitbucket:
[url https://gru...@bitbucket.org/;]
pushinsteadOf = bitbucket:

This allows me to use

git remote add remotename bitbucket:user/reponame

and have fetches over https, pushes over https with my username preset.

I rarely use pushurl, but could use it to override url, or to do the
above magic on a case by case level, such as if I need to specify
different usernames for the same host.

So, that's my understanding of how these things are supposed to work and
why it is useful.

Michael
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Re: [PATCH] t5516-fetch-push: Correct misspelled pushInsteadOf

2015-03-04 Thread Michael J Gruber
Anders Kaseorg venit, vidit, dixit 04.03.2015 10:43:
 On Wed, 4 Mar 2015, Michael J Gruber wrote:
 If there is no pushurl:
   url will be used as the URL for fetch and as the URL for push.
   if we are pushing and there is pushinsteadof for (part of) url
 subsitute that within url
   else if there is insteadof for (part of) url
 substitute that within url

 If there is a pushurl:
   url will be used as the URL for fetch and pushurl as the URL for 
 push.
   if we are pushing and there is insteadof for (part of) pushurl
 substitute that within pushurl
   else if we are fetching and there is insteadof for (part of) url
 substiute that within url
 
 Speaking of that, I recently had to reimplement most of this logic for the 
 openstack git-review tool (https://review.openstack.org/160152), which is 
 why I was staring too closely at t5516 in the first place.  It would be 
 nice to have a ‘git ls-remote --get-push-url’ analogous to the existing 
 ‘git ls-remote --get-url’.
 
 Anders
 

And vice-versa, it would be nice if git remote explained where the
resulting URLs come from. I vaguely remember looking into this, but I
don't think it was simple.

ls-remote and remote don't share code, which is a pitty. GSOC...

Michael
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Re: [PATCH] t5516-fetch-push: Correct misspelled pushInsteadOf

2015-03-04 Thread Anders Kaseorg
On Wed, 4 Mar 2015, Michael J Gruber wrote:
 If there is no pushurl:
   url will be used as the URL for fetch and as the URL for push.
   if we are pushing and there is pushinsteadof for (part of) url
 subsitute that within url
   else if there is insteadof for (part of) url
 substitute that within url
 
 If there is a pushurl:
   url will be used as the URL for fetch and pushurl as the URL for 
 push.
   if we are pushing and there is insteadof for (part of) pushurl
 substitute that within pushurl
   else if we are fetching and there is insteadof for (part of) url
 substiute that within url

Speaking of that, I recently had to reimplement most of this logic for the 
openstack git-review tool (https://review.openstack.org/160152), which is 
why I was staring too closely at t5516 in the first place.  It would be 
nice to have a ‘git ls-remote --get-push-url’ analogous to the existing 
‘git ls-remote --get-url’.

Anders
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Re: [PATCH] t5516-fetch-push: Correct misspelled pushInsteadOf

2015-03-03 Thread Michael J Gruber
Junio C Hamano venit, vidit, dixit 02.03.2015 20:43:
 Anders Kaseorg ande...@mit.edu writes:
 
 Signed-off-by: Anders Kaseorg ande...@mit.edu
 ---
  t/t5516-fetch-push.sh | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

 diff --git a/t/t5516-fetch-push.sh b/t/t5516-fetch-push.sh
 index 85c7fec..594d7a6 100755
 --- a/t/t5516-fetch-push.sh
 +++ b/t/t5516-fetch-push.sh
 @@ -238,7 +238,7 @@ test_expect_success 'push with pushInsteadOf' '
  test_expect_success 'push with pushInsteadOf and explicit pushurl 
 (pushInsteadOf should not rewrite)' '
  mk_empty testrepo 
  test_config url.trash2/.pushInsteadOf testrepo/ 
 -test_config url.trash3/.pusnInsteadOf trash/wrong 
 +test_config url.trash3/.pushInsteadOf trash/wrong 
  test_config remote.r.url trash/wrong 
  test_config remote.r.pushurl testrepo/ 
  git push r refs/heads/master:refs/remotes/origin/master 
 
 Interesting.
 
 Now an obvious and natural question after seeing this change is how
 the original test passed with misspelled configuration.  Is a test
 that pushes into trash/wrong checking the right outcome?  If the
 reason why the existing tests passed without this patch is because
 they do not test the right thing, then shouldn't they be corrected
 together with the above fix?
 

Ha, I was look there, too, just today and was wondering the same.

I guess the test wanted to make sure (among other things) that
url.trash3/.pushInsteadOf does not affect the push to remote r (which
has an explicit pushurl)...

Michael
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Re: [PATCH] t5516-fetch-push: Correct misspelled pushInsteadOf

2015-03-03 Thread Junio C Hamano
Michael J Gruber g...@drmicha.warpmail.net writes:

 Junio C Hamano venit, vidit, dixit 02.03.2015 20:43:
 Anders Kaseorg ande...@mit.edu writes:
 
 Signed-off-by: Anders Kaseorg ande...@mit.edu
 ---
  t/t5516-fetch-push.sh | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

 diff --git a/t/t5516-fetch-push.sh b/t/t5516-fetch-push.sh
 index 85c7fec..594d7a6 100755
 --- a/t/t5516-fetch-push.sh
 +++ b/t/t5516-fetch-push.sh
 @@ -238,7 +238,7 @@ test_expect_success 'push with pushInsteadOf' '
  test_expect_success 'push with pushInsteadOf and explicit pushurl 
 (pushInsteadOf should not rewrite)' '
 mk_empty testrepo 
 test_config url.trash2/.pushInsteadOf testrepo/ 
 -   test_config url.trash3/.pusnInsteadOf trash/wrong 
 +   test_config url.trash3/.pushInsteadOf trash/wrong 
 test_config remote.r.url trash/wrong 
 test_config remote.r.pushurl testrepo/ 
 git push r refs/heads/master:refs/remotes/origin/master 
 
 Interesting.
 
 Now an obvious and natural question after seeing this change is how
 the original test passed with misspelled configuration.  Is a test
 that pushes into trash/wrong checking the right outcome?  If the
 reason why the existing tests passed without this patch is because
 they do not test the right thing, then shouldn't they be corrected
 together with the above fix?
 

 Ha, I was look there, too, just today and was wondering the same.

 I guess the test wanted to make sure (among other things) that
 url.trash3/.pushInsteadOf does not affect the push to remote r (which
 has an explicit pushurl)...

OK, so it makes sure the push goes to testrepo/ but it does not make
sure trash2 or trash3 are not touched.  Makes sort of sense.

Thanks.

I am not sure how the intention of the commit 1c2eafb8 (Add
url.base.pushInsteadOf: URL rewriting for push only, 2009-09-07),
which introduced the behaviour verified by this test, interacts with
the desire to redefine what URL and pushURL mean in our recent past,
what e.g. e6196ae1 (remote: add --fetch and --both options to set-url,
2014-11-25) wanted to do, though.  Thoughts?


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Re: [PATCH] t5516-fetch-push: Correct misspelled pushInsteadOf

2015-03-02 Thread Junio C Hamano
Anders Kaseorg ande...@mit.edu writes:

 Signed-off-by: Anders Kaseorg ande...@mit.edu
 ---
  t/t5516-fetch-push.sh | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

 diff --git a/t/t5516-fetch-push.sh b/t/t5516-fetch-push.sh
 index 85c7fec..594d7a6 100755
 --- a/t/t5516-fetch-push.sh
 +++ b/t/t5516-fetch-push.sh
 @@ -238,7 +238,7 @@ test_expect_success 'push with pushInsteadOf' '
  test_expect_success 'push with pushInsteadOf and explicit pushurl 
 (pushInsteadOf should not rewrite)' '
   mk_empty testrepo 
   test_config url.trash2/.pushInsteadOf testrepo/ 
 - test_config url.trash3/.pusnInsteadOf trash/wrong 
 + test_config url.trash3/.pushInsteadOf trash/wrong 
   test_config remote.r.url trash/wrong 
   test_config remote.r.pushurl testrepo/ 
   git push r refs/heads/master:refs/remotes/origin/master 

Interesting.

Now an obvious and natural question after seeing this change is how
the original test passed with misspelled configuration.  Is a test
that pushes into trash/wrong checking the right outcome?  If the
reason why the existing tests passed without this patch is because
they do not test the right thing, then shouldn't they be corrected
together with the above fix?
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[PATCH] t5516-fetch-push: Correct misspelled pushInsteadOf

2015-02-28 Thread Anders Kaseorg
Signed-off-by: Anders Kaseorg ande...@mit.edu
---
 t/t5516-fetch-push.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/t/t5516-fetch-push.sh b/t/t5516-fetch-push.sh
index 85c7fec..594d7a6 100755
--- a/t/t5516-fetch-push.sh
+++ b/t/t5516-fetch-push.sh
@@ -238,7 +238,7 @@ test_expect_success 'push with pushInsteadOf' '
 test_expect_success 'push with pushInsteadOf and explicit pushurl 
(pushInsteadOf should not rewrite)' '
mk_empty testrepo 
test_config url.trash2/.pushInsteadOf testrepo/ 
-   test_config url.trash3/.pusnInsteadOf trash/wrong 
+   test_config url.trash3/.pushInsteadOf trash/wrong 
test_config remote.r.url trash/wrong 
test_config remote.r.pushurl testrepo/ 
git push r refs/heads/master:refs/remotes/origin/master 
-- 
2.3.1

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