On Fri, Jun 30, 2017 at 10:26 AM, Lars Schneider
<larsxschnei...@gmail.com> wrote:
>
>> On 30 Jun 2017, at 00:46, miguel torroja <miguel.torr...@gmail.com> wrote:
>>
>> The option -G of p4 (python marshal output) gives more context about the
>> data being output. That's useful when using the command "change -o" as
>> we can distinguish between warning/error line and real change description.
>>
>> Some p4 triggers in the server side generate some warnings when
>> executed. Unfortunately those messages are mixed with the output of
>> "p4 change -o". Those extra warning lines are reported as {'code':'info'}
>> in python marshal output (-G). The real change output is reported as
>> {'code':'stat'}
>>
>> A new test has been created to t9807-git-p4-submit.sh adding a p4 trigger
>> that outputs extra lines with "p4 change -o" and "p4 changes"
>>
>> Signed-off-by: Miguel Torroja <miguel.torr...@gmail.com>
>> Signed-off-by: Junio C Hamano <gits...@pobox.com>
>> ---
>> git-p4.py                | 85 
>> ++++++++++++++++++++++++++++++++----------------
>> t/t9807-git-p4-submit.sh | 27 +++++++++++++++
>> 2 files changed, 84 insertions(+), 28 deletions(-)
>>
>> diff --git a/git-p4.py b/git-p4.py
>> index 8d151da91..61dc045f3 100755
>> --- a/git-p4.py
>> +++ b/git-p4.py
>> @@ -879,8 +879,12 @@ def p4ChangesForPaths(depotPaths, changeRange, 
>> requestedBlockSize):
>>             cmd += ["%s...@%s" % (p, revisionRange)]
>>
>>         # Insert changes in chronological order
>> -        for line in reversed(p4_read_pipe_lines(cmd)):
>> -            changes.add(int(line.split(" ")[1]))
>> +        for entry in reversed(p4CmdList(cmd)):
>> +            if entry.has_key('p4ExitCode'):
>> +                die('Error retrieving changes descriptions 
>> ({})'.format(entry['p4ExitCode']))
>> +            if not entry.has_key('change'):
>> +                continue
>> +            changes.add(int(entry['change']))
>>
>>         if not block_size:
>>             break
>> @@ -1526,37 +1530,62 @@ class P4Submit(Command, P4UserMap):
>>
>>         [upstream, settings] = findUpstreamBranchPoint()
>>
>> -        template = ""
>> +        template = """\
>> +# A Perforce Change Specification.
>> +#
>> +#  Change:      The change number. 'new' on a new changelist.
>> +#  Date:        The date this specification was last modified.
>> +#  Client:      The client on which the changelist was created.  Read-only.
>> +#  User:        The user who created the changelist.
>> +#  Status:      Either 'pending' or 'submitted'. Read-only.
>> +#  Type:        Either 'public' or 'restricted'. Default is 'public'.
>> +#  Description: Comments about the changelist.  Required.
>> +#  Jobs:        What opened jobs are to be closed by this changelist.
>> +#               You may delete jobs from this list.  (New changelists only.)
>> +#  Files:       What opened files from the default changelist are to be 
>> added
>> +#               to this changelist.  You may delete files from this list.
>> +#               (New changelists only.)
>> +"""
>> +        files_list = []
>>         inFilesSection = False
>> +        change_entry = None
>>         args = ['change', '-o']
>>         if changelist:
>>             args.append(str(changelist))
>> -
>> -        for line in p4_read_pipe_lines(args):
>> -            if line.endswith("\r\n"):
>> -                line = line[:-2] + "\n"
>> -            if inFilesSection:
>> -                if line.startswith("\t"):
>> -                    # path starts and ends with a tab
>> -                    path = line[1:]
>> -                    lastTab = path.rfind("\t")
>> -                    if lastTab != -1:
>> -                        path = path[:lastTab]
>> -                        if settings.has_key('depot-paths'):
>> -                            if not [p for p in settings['depot-paths']
>> -                                    if p4PathStartsWith(path, p)]:
>> -                                continue
>> -                        else:
>> -                            if not p4PathStartsWith(path, self.depotPath):
>> -                                continue
>> +        for entry in p4CmdList(args):
>> +            if not entry.has_key('code'):
>> +                continue
>> +            if entry['code'] == 'stat':
>> +                change_entry = entry
>> +                break
>> +        if not change_entry:
>> +            die('Failed to decode output of p4 change -o')
>> +        for key, value in change_entry.iteritems():
>> +            if key.startswith('File'):
>> +                if settings.has_key('depot-paths'):
>> +                    if not [p for p in settings['depot-paths']
>> +                            if p4PathStartsWith(value, p)]:
>> +                        continue
>>                 else:
>> -                    inFilesSection = False
>> -            else:
>> -                if line.startswith("Files:"):
>> -                    inFilesSection = True
>> -
>> -            template += line
>> -
>> +                    if not p4PathStartsWith(value, self.depotPath):
>> +                        continue
>> +                files_list.append(value)
>> +                continue
>> +        # Output in the order expected by prepareLogMessage
>> +        for key in ['Change','Client','User','Status','Description','Jobs']:
>> +            if not change_entry.has_key(key):
>> +                continue
>> +            template += '\n'
>> +            template += key + ':'
>> +            if key == 'Description':
>> +                template += '\n'
>> +            for field_line in change_entry[key].splitlines():
>> +                template += '\t'+field_line+'\n'
>> +        if len(files_list) > 0:
>> +            template += '\n'
>> +            template += 'Files:\n'
>> +        for path in files_list:
>> +            template += '\t'+path+'\n'
>>         return template
>>
>>     def edit_template(self, template_file):
>> diff --git a/t/t9807-git-p4-submit.sh b/t/t9807-git-p4-submit.sh
>> index 3457d5db6..4962b6862 100755
>> --- a/t/t9807-git-p4-submit.sh
>> +++ b/t/t9807-git-p4-submit.sh
>> @@ -409,6 +409,33 @@ test_expect_success 'description with Jobs section and 
>> bogus following text' '
>>       )
>> '
>>
>
> I have never worked with p4 triggers and that might be
> the reason why I don't understand your test case.
> Maybe you can help me?
>
>> +test_expect_success 'description with extra lines from verbose p4 trigger' '
>> +     test_when_finished cleanup_git &&
>> +     git p4 clone --dest="$git" //depot &&
>> +     (
>> +             p4 triggers -i <<-EOF
>> +             Triggers: p4triggertest-command command pre-user-change "echo 
>> verbose trigger"
>> +             EOF
>> +     ) &&
>
> You clone the test repo and install a trigger.
>
>> +     (
>> +             cd "$git" &&
>> +             git config git-p4.skipSubmitEdit true &&
>> +             echo file20 >file20 &&
>> +             git add file20 &&
>> +             git commit -m file20 &&
>> +             git p4 submit
>> +     ) &&
>
> You make a new commit. This should run the "echo verbose trigger", right?

Yes, that's correct. In this case the trigger is run with p4 change
and p4 changes

>
>> +     (
>> +             p4 triggers -i <<-EOF
>> +             Triggers:
>> +             EOF
>> +     ) &&
>
> You delete the trigger.
>
>> +     (
>> +             cd "$cli" &&
>> +             test_path_is_file file20
>> +     )
>
> You check that the file20 is available in P4.
>
>
> What would happen if I run this test case without your patch?
> Wouldn't it pass just fine?

If you run it without the patch for git-p4.py, the test doesn't pass

> Wouldn't we need to check that no warning/error is in the
> real change description?
>

that can also be added, something like this: 'p4 change -o | grep
"verbose trigger"' after setting the trigger?

> Thanks,
> Lars

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