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Re: git glossary --help ?




Hi Junio,

On 07/04/2019 14:43, Junio C Hamano wrote:
Duy Nguyen <pclouds@xxxxxxxxx> writes:

Phew... I didn't break anything!

That behavior has been gone since 2c6b6d9f7d (help: make option --help
open man pages only for Git commands, 2016-08-26). Ralf did not
mention why he thought "git <concept> --help" was a bad idea. But it
was considered a bug by Junio [1]

[1] https://public-inbox.org/git/CAPc5daXicjUDi6B-MA8Sn=_UZ_jHvc8SE4ZXt2dHbbDQkD7=WA@xxxxxxxxxxxxxx/
I do not think you are reading me correctly.

Yes, I do consider that "git foo --help" that does not say "there is
no subcomand 'foo' in Git suite" is a bug.  But that is only for
'foo' that is clearly meant as a command.

I do not imagine anybody labelling "git help glossary" as a bug.

I am fairly neutral about "git glossary --help".  I personally would
not ask git like so, as "glossary" is clearly not a command name,
and the "--help" option is clearly meant as an option to the
subcommand, which means that the request logically does not make
much sense.

But unlike "git foo --help", if the word that ought to name a
subcommand instead names a known concept, e.g. "glossary", I do not
think it is too bad if we DWIMmed what the user meant to say,
i.e. turning "git glossary --help" into "git help glossary".

Given the earlier report that started the thread Duy linked, I guess there will need to be a balance between the two expectations.

The DWIMming  may need to both report that it's not a command, but then offer the concept guide as the primary target if correct, or perhaps as one of the alternate "commands" if closely named to a guide (e.g. revisions vs revision).

One of the issues back then was the lack of a complete list of 'guides' to check against, so the badly spelt command logic wasn't brought into play.
--
Philip