Re: [PATCH v3] remote-hg: do not fail on invalid bookmarks

2014-03-22 Thread Torsten Bögershausen
On 2014-03-21 23.32, Junio C Hamano wrote:
 Max Horn m...@quendi.de writes:
 
 Hi Torsten,

 On 21.03.2014, at 21:47, Torsten Bögershausen tbo...@web.de wrote:

 On 2014-03-21 12.36, Max Horn wrote:
 All tests passed :-),

 Excellent.

 thanks from my side.
 comments inline, some are debatable

 Thanks for having a close look and for the constructive feedback!
 Unfortunately, I won't have time to look into this for the next 7 days
 or so. I wouldn't mind if the patch gets queued with the changes you
 suggest; but of course that might be a tad too much to ask for, so I'll
 also be happy to do a proper re-roll, but then it has to wait a bit.
 
 In the meantime, I'll pile this on top as SQUASH???.

Test OK under Linux and Mac,
(so this is a little ACK).

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Re: [PATCH v3] remote-hg: do not fail on invalid bookmarks

2014-03-21 Thread Torsten Bögershausen
On 2014-03-21 12.36, Max Horn wrote:
All tests passed :-), thanks from my side.
comments inline, some are debatable
 Mercurial can have bookmarks pointing to nullid (the empty root
 revision), while Git can not have references to it. When cloning or
 fetching from a Mercurial repository that has such a bookmark, the
 import failed because git-remote-hg was not be able to create the
 corresponding reference.

 Warn the user about the invalid reference, and do not advertise these
 bookmarks as head refs, but otherwise continue the import. In
 particular, we still keep track of the fact that the remote repository
 has a bookmark of the given name, in case the user wants to modify that
 bookmark.

 Also add some test cases for this issue.
s/some test cases/test cases/

 Reported-by: Antoine Pelisse apeli...@gmail.com
 Signed-off-by: Max Horn m...@quendi.de
 ---
 This is a different fix than in my previous attempts. I thought
 a bit more about the issue, and determined that the previous fix,
 while working, was not really correct: It is wrong to
 treat nullid bookmarks as if they are non-existent; if e.g.
 the user wants to modify the bookmark from git, we need to
 into account that the remote already has a bookmark with that name.
 Indeed, I extended the new test cases to cover this aspect.
 With the previous fix, the new tests would fail upon pushing,
 with the new one, they work.

  contrib/remote-helpers/git-remote-hg |  5 ++-
  contrib/remote-helpers/test-hg.sh| 67 
 
  2 files changed, 71 insertions(+), 1 deletion(-)

 diff --git a/contrib/remote-helpers/git-remote-hg 
 b/contrib/remote-helpers/git-remote-hg
 index eb89ef6..36b5261 100755
 --- a/contrib/remote-helpers/git-remote-hg
 +++ b/contrib/remote-helpers/git-remote-hg
 @@ -643,7 +643,10 @@ def do_list(parser):
  print ? refs/heads/branches/%s % gitref(branch)
  
  for bmark in bmarks:
 -print ? refs/heads/%s % gitref(bmark)
 +if  bmarks[bmark].hex() == 
 '':
 +warn(Ignoring invalid bookmark '%s', bmark)
 +else:
 +print ? refs/heads/%s % gitref(bmark)
  
  for tag, node in repo.tagslist():
  if tag == 'tip':
 diff --git a/contrib/remote-helpers/test-hg.sh 
 b/contrib/remote-helpers/test-hg.sh
 index a933b1e..f5d0d97 100755
 --- a/contrib/remote-helpers/test-hg.sh
 +++ b/contrib/remote-helpers/test-hg.sh
 @@ -772,4 +772,71 @@ test_expect_success 'remote double failed push' '
   )
  '
  
 +test_expect_success 'clone remote with master null bookmark, then push to 
 the bookmark' '
 + test_when_finished rm -rf gitrepo* hgrepo* 
 +
 + (
 + hg init hgrepo 
 + cd hgrepo 
Minor:
We can change the order here, to make the cd hgrepo the first line in the 
subshell:

+   hg init hgrepo 
+   (
+   cd hgrepo 


 + echo a a 
 + hg add a 
 + hg commit -m a 
 + hg bookmark -r null master
 + ) 
 +
 + git clone hg::hgrepo gitrepo 
 + check gitrepo HEAD a 
And here we do cd, and this should be done in a subshell
 + cd gitrepo 
 + git checkout --quiet -b master 
 + echo b b 
 + git add b 
 + git commit -m b 
 + git push origin master
 +'
 +
 +test_expect_success 'clone remote with default null bookmark, then push to 
 the bookmark' '
 + test_when_finished rm -rf gitrepo* hgrepo* 
 +
 + (
 + hg init hgrepo 
 + cd hgrepo 
(Same minor as above)
 + echo a a 
 + hg add a 
 + hg commit -m a 
 + hg bookmark -r null -f default
 + ) 
 +
 + git clone hg::hgrepo gitrepo 
 + check gitrepo HEAD a 
 + cd gitrepo 
 + git checkout --quiet -b default 
 + echo b b 
 + git add b 
 + git commit -m b 
 + git push origin default
 +'
 +
 +test_expect_success 'clone remote with generic null bookmark, then push to 
 the bookmark' '
 + test_when_finished rm -rf gitrepo* hgrepo* 
 +
 + (
 + hg init hgrepo 
 + cd hgrepo 
(Same as above)
 + echo a a 
 + hg add a 
 + hg commit -m a 
 + hg bookmark -r null bmark
 + ) 
 +
 + git clone hg::hgrepo gitrepo 
 + check gitrepo HEAD a 
 + cd gitrepo 
Sub-shell missing
 + git checkout --quiet -b bmark 
 + git remote -v 
 + echo b b 
 + git add b 
 + git commit -m b 
 + git push origin bmark
 +'
 +
  test_done

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Re: [PATCH v3] remote-hg: do not fail on invalid bookmarks

2014-03-21 Thread Max Horn
Hi Torsten,

On 21.03.2014, at 21:47, Torsten Bögershausen tbo...@web.de wrote:

 On 2014-03-21 12.36, Max Horn wrote:
 All tests passed :-),

Excellent.

 thanks from my side.
 comments inline, some are debatable

Thanks for having a close look and for the constructive feedback!
Unfortunately, I won't have time to look into this for the next 7 days
or so. I wouldn't mind if the patch gets queued with the changes you
suggest; but of course that might be a tad too much to ask for, so I'll
also be happy to do a proper re-roll, but then it has to wait a bit.

Cheers,
Max



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Re: [PATCH v3] remote-hg: do not fail on invalid bookmarks

2014-03-21 Thread Junio C Hamano
Max Horn m...@quendi.de writes:

 Hi Torsten,

 On 21.03.2014, at 21:47, Torsten Bögershausen tbo...@web.de wrote:

 On 2014-03-21 12.36, Max Horn wrote:
 All tests passed :-),

 Excellent.

 thanks from my side.
 comments inline, some are debatable

 Thanks for having a close look and for the constructive feedback!
 Unfortunately, I won't have time to look into this for the next 7 days
 or so. I wouldn't mind if the patch gets queued with the changes you
 suggest; but of course that might be a tad too much to ask for, so I'll
 also be happy to do a proper re-roll, but then it has to wait a bit.

In the meantime, I'll pile this on top as SQUASH???.

I am not sure how the original, which went into a subdirectory
gitrepo that is to be cleaned with test_when_finished, was working.
Perhaps it didn't clean and dug the trash directory hierarchy deeper
and deeper, or something?


 contrib/remote-helpers/test-hg.sh | 80 +--
 1 file changed, 43 insertions(+), 37 deletions(-)

diff --git a/contrib/remote-helpers/test-hg.sh 
b/contrib/remote-helpers/test-hg.sh
index 6925ca3..8834482 100755
--- a/contrib/remote-helpers/test-hg.sh
+++ b/contrib/remote-helpers/test-hg.sh
@@ -694,68 +694,74 @@ test_expect_success 'remote double failed push' '
 test_expect_success 'clone remote with master null bookmark, then push to the 
bookmark' '
test_when_finished rm -rf gitrepo* hgrepo* 
 
-   (
hg init hgrepo 
-   cd hgrepo 
-   echo a a 
-   hg add a 
-   hg commit -m a 
-   hg bookmark -r null master
+   (
+   cd hgrepo 
+   echo a a 
+   hg add a 
+   hg commit -m a 
+   hg bookmark -r null master
) 
 
git clone hg::hgrepo gitrepo 
check gitrepo HEAD a 
-   cd gitrepo 
-   git checkout --quiet -b master 
-   echo b b 
-   git add b 
-   git commit -m b 
-   git push origin master
+   (
+   cd gitrepo 
+   git checkout --quiet -b master 
+   echo b b 
+   git add b 
+   git commit -m b 
+   git push origin master
+   )
 '
 
 test_expect_success 'clone remote with default null bookmark, then push to the 
bookmark' '
test_when_finished rm -rf gitrepo* hgrepo* 
 
-   (
hg init hgrepo 
-   cd hgrepo 
-   echo a a 
-   hg add a 
-   hg commit -m a 
-   hg bookmark -r null -f default
+   (
+   cd hgrepo 
+   echo a a 
+   hg add a 
+   hg commit -m a 
+   hg bookmark -r null -f default
) 
 
git clone hg::hgrepo gitrepo 
check gitrepo HEAD a 
-   cd gitrepo 
-   git checkout --quiet -b default 
-   echo b b 
-   git add b 
-   git commit -m b 
-   git push origin default
+   (
+   cd gitrepo 
+   git checkout --quiet -b default 
+   echo b b 
+   git add b 
+   git commit -m b 
+   git push origin default
+   )
 '
 
 test_expect_success 'clone remote with generic null bookmark, then push to the 
bookmark' '
test_when_finished rm -rf gitrepo* hgrepo* 
 
-   (
hg init hgrepo 
-   cd hgrepo 
-   echo a a 
-   hg add a 
-   hg commit -m a 
-   hg bookmark -r null bmark
+   (
+   cd hgrepo 
+   echo a a 
+   hg add a 
+   hg commit -m a 
+   hg bookmark -r null bmark
) 
 
git clone hg::hgrepo gitrepo 
check gitrepo HEAD a 
-   cd gitrepo 
-   git checkout --quiet -b bmark 
-   git remote -v 
-   echo b b 
-   git add b 
-   git commit -m b 
-   git push origin bmark
+   (
+   cd gitrepo 
+   git checkout --quiet -b bmark 
+   git remote -v 
+   echo b b 
+   git add b 
+   git commit -m b 
+   git push origin bmark
+   )
 '
 
 test_done
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