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Preserve line endings in source to tidy #97

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kenneth-olwing commented Nov 18, 2019

Use the *_raw variants of path->slurp/spew/append in all places
in order to ensure to preserve both incoming and outgoing line
endings on all platforms.

Use case when experiencing: A project developed on both Windows and Linux uses PerlTidy, specifically with the option '-ole=unix', i.e. no matter what input line endings are or on what platform we are, output the tidied source using unix lineendings. It was noticed that no matter how the flag was set, on Windows we always got CRLF line endings. Diagnosed to come from various reading/writing activities in CT, but on Windows the Perl read/writes typically always convert incoming/outgoing LF's to CRLF. By consistently using 'binmode', this will not happen. On Unix/Linux this is a no-op (but will do the right thing even if CRLF is encountered).

Not terribly proud of the added tests, as I admit to be being a bit confused by how to insert new tests, but at least they pass on both Windows/Linux :-)

Use the *_raw variants of path->slurp/spew/append in all places
in order to ensure to preserve both incoming and outgoing line
endings on all platforms.
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kenneth-olwing commented Nov 18, 2019

FYI, I'm trying to remedy problems with untidy code etc...BRB

A number of tests have been updated to pass with preservation of line endings
in general, including on Windows. Code has also been slight reformatted to
conform to tidiness.

Two things to note:

* The Plugin-PodSpell.t generated a personal dict that my ispell (on rhel,
using aspell) complained about the format - I had to add en extra first
line with some information. I'm not proficient in ispell to know why; I
can only assume there are multiple implementations of ispell, some of
which don't need the extra line (?).

* The Plugin-PodTidy.t appears to be difficult to make work properly on
Windows. I suspect that possibly Pod::Tidy itself also has issues with
preservation of line endings. I was unable to track it down so far so
I took a cheaters way out and disabled it for Windows. I will look into
it more.
…...will they pass now, and on travis too?
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autarch commented Nov 18, 2019

Don't worry about the perltidy side of the tests too much. I can always fix that locally. But it might be that you have a different version of Perl::Tidy installed then what CI ends up with (CI should always use the latest version).

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autarch commented Nov 18, 2019

I just pushed a commit to master to tidy all the code with the latest Perl::Tidy. Some of the failures you see in your branch is because master wasn't tidy (this often happens when a new Perl::Tidy is released - it's very annoying).

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kenneth-olwing commented Nov 18, 2019

Right, thanks. Yes, there's some version mismatch, I don't think I can't make all test builds to pass tidy checks and whatnot, but I hope I've gotten the intended functionality correct.

Unless you immediately have something I've dropped on the floor, I think I'll leave it be for your perusal at this time, sound ok?

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autarch commented Dec 25, 2019

Hi Kenneth, I just released a 0.76-TRIAL version with this change included. Please let me know if it works for you.

I'm also going to post on my blog and ask people to test it. This is a big change and I'm a bit nervous that it could break some plugins or codebase out there, so I want to get some confirmation that it works in the wild.

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kenneth-olwing commented Dec 25, 2019

Completely understandable. Thanks for your work!

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kenneth-olwing commented Jan 3, 2020

Hi, back in the saddle after xmas/newyears. GreEtings!

I'm getting various test errors/warnings at the moment with the trial, so be sure to keep it on hold :-)

I've literally just tried various 'cpanm --test-only' on the tarball so I have no better insight yet. However, on both Linux/Windows I get warnings like:

t/Basic.t ...................... 81/? could not find tidyall.ini or .tidyallrc upwards from '/tmp/Code-TidyAll-f582/global_ignore' at /home/nfs/oktk/.cpanm/work/1578046183.15903/Code-TidyAll-0.76/lib/Code/TidyAll.pm line 736.
could not find tidyall.ini or .tidyallrc upwards from '/tmp/Code-TidyAll-f582/plugin_ignore' at /home/nfs/oktk/.cpanm/work/1578046183.15903/Code-TidyAll-0.76/lib/Code/TidyAll.pm line 736.

(on windows also test 104, same thing).

On Windows it appears to give me different things depending on what else I have installed, although this is the simplest:

t/Plugin-GenericTransformer.t .. 1/?
#   Failed test 'new contents [generic transformer preserves linefeed line endings]'
#   at t/lib/TestFor/Code/TidyAll/Plugin.pm line 70.
#   (in TestFor::Code::TidyAll::Plugin::GenericTransformer->test_main)
# +---+------------------------------+---------------------+
# | Ln|Got                           |Expected             |
# +---+------------------------------+---------------------+
# *  1|'61.0D.0A.62.0D.0A.63.0D.0A'  |'61.0A.62.0A.63.0A'  *
# +---+------------------------------+---------------------+

On another setup, same base Strawberry Perl but with more modules installed I get more confusing errors, like:

#   Failed test 'new contents [generic transformer preserves linefeed line endings]'
#   at t/lib/TestFor/Code/TidyAll/Plugin.pm line 70.
#   (in TestFor::Code::TidyAll::Plugin::GenericTransformer->test_main)
# +---+--------+---+-----------------------+
# | Ln|Got     | Ln|Expected               |
# +---+--------+---+-----------------------+
# *  1|'a\r\n  *  1|'61.0A.62.0A.63.0A'\n  *
# *  2|b       *   |                       |
# *  3|c       *   |                       |
# *  4|'       *   |                       |
# +---+--------+---+-----------------------+

which makes no sense to me. Plus also more errors similar to this. Shouldn't be like that of course so I'm going to try to track it down...

For reference, I'm currently using Perl 5.30.0 at this point. On Linux, it's home built from source, on Windows it's strawberry-perl-5.30.0.1-64bit-portable.zip from strawberry.org.
Basically, it's:

  1. Unzip
  2. Open a cmd.exe and run the '\portableshell.bat'
  3. cpanm Code::TidyAll (to install the 0.75 and it's dependencies)
  4. cpanm -v --test-only
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kenneth-olwing commented Jan 3, 2020

Whoa, the cut and pasted lines got a bit bigger than I expected...hope you can read it anyway...:-)

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kenneth-olwing commented Jan 3, 2020

FYI, the "t/Basic.t ...................... 81/? could not find tidyall.ini or .tidyallrc upwards from ..." warning bit appears to have been in the 0.75 dist as well so it's just a minor nuisance in drawing eyes to it...

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kenneth-olwing commented Jan 3, 2020

Tiny error in t\lib\TestFor\Code\TidyAll\Plugin\GenericTransformer.pm, line 44:
$lf_file->spew($lf);
should be
$lf_file->spew_raw($lf);
This fixes the test error.

Next, I'll track down why I get more and, and more nonsensical, errors when I have a more fully configured Perl.

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autarch commented Jan 3, 2020

Yep, I'd found that missing spew_raw while working on another branch off this one.

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autarch commented Jan 3, 2020

The warning from t/Basic.t is expected and not a new issue (though it'd be nice to shut it up).

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kenneth-olwing commented Jan 3, 2020

The issue turned out to be a sensitivity to one of my Perls installed in a path with spaces (eg. 'C:\Program Files\Perl....'.

I've pushed a branch 'ken1-pr97-fixes' to my fork to merge from. It fixes three things:

  1. A general error testing file contents
  2. Several errors caused by Perl in path with spaces
  3. Removes nuisance output regarding missing tidyall.ini/.tidyallrc

Not sure how you like to do things - a new trial 0.76 or 0.77? Either way, please put up a new one...:-)

Thanks,
ken1

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autarch commented Jan 4, 2020

I just made a 0.77 trial release.

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kenneth-olwing commented Jan 7, 2020

Great - my initial scenario that prompted this PR seems to be fixed.

On the minus side so to speak, I don't really use any particular plugins beyond tidy/critic so more input from others if possible is certainly a good idea...

Thanks for your help!

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