Add new show command
#43
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I realize there are probably many ways to do this better, but I decided to give it a shot in order to get more acquainted with the codebase. |
| sub get_commands { | ||
| return { | ||
| show => { | ||
| handler => \&run, |
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Here we need to add need_config => 1, (see below)
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On a separate note, I think the command needs a new name. 'show' (and I guess What we have here is an explanation of how config works. It's not an original config, but a transformed one. So I'm more inclined towards |
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Yes, On a first read I said, ok, I'm fine making this Getting back to the original inspiration, Along those lines, I think for Serge it would be beneficial to keep the CLI surface as small as possible, and allow showing with a single command entire configuration files, as well as specific parts of them, because in the end they display an interpreted version of configuration files. For instance: $ serge show foo.serge
<expanded contents of the config file>
$ serge show foo.serge destination_languages
<list of destination languages>The option to filter on properties would require more thought (is the output displayed per-job? or does it merge properties across jobs? etc.). While it is very good we are already thinking about this use case, I'd say let's address its implementation separately. |
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When configurations use inheritance, it is handy to see the expanded configuration to get a better feel of what is going to be run. While Config::Neat already provides a command for this, having a `show` command helps with the feature being discoverable.
| my ($self) = @_; | ||
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| my @config_files = $self->{parent}->get_config_files; | ||
| die "Multiple configuration files not allowed\n" unless $#config_files == 0; |
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I wasn't sure if you would prefer to use $#config_files == 0 or rather scalar @config_files == 1. Please let me know if you have any preferences.
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I find scalar(@config_files) == 1 easier to read. $# is less common, requires extra Perl knowledge, and it looks like a check for a zero-length list if you're just skimming code.
You could further simplify the predicate to @config_files == 1.
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Just checking in on the status of this PR. It looks really helpful. We're in the process of rolling out Serge and I was looking forward to using this feature to debug config files. |
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@prat0088 note that for debugging config files you can already use This PR introduces the same functionality under |
Codecov Report
@@ Coverage Diff @@
## master #43 +/- ##
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- Coverage 54.51% 54.47% -0.05%
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Files 93 94 +1
Lines 6954 6967 +13
Branches 1738 1739 +1
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+ Hits 3791 3795 +4
- Misses 2491 2500 +9
Partials 672 672
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When configurations use inheritance, it is handy to see the expanded
configuration to get a better feel of what is going to be run. While
Config::Neat already provides a command for this, having a
showcommand helps with the feature being discoverable.
Fixes #40.