Re: [PATCH] add sub command 'youngest' to svn [Was: Re: [PATCH] add sub command 'youngest' to svnrdump]

Hi.

Thank you for the review.
I attach a fixed patch.

[[[
   issue #4299: add sub command 'youngest' to svn

   * subversion/svn/cl.h
     (svn_cl__opt_state_t): Add no_newline member.
     (): Add svn_cl__youngest to the command procedure list.
     
   * subversion/svn/svn.c
     (svn_cl__options): Add --new-line option.
     (svn_cl__longopt_t): Add opt_no_newline to svn_cl__longopt_t.
     (svn_cl__cmd_table): Add 'youngest' entry.
     (sub_main): Add handler for opt_no_newline.
   * subversion/svn/youngest-cmd.c
     (svn_cl__youngest): implement the 'youngest' sub command handler.
   ]]]

-- 
Masaru Tsuchiyama <m.tmatma_at_gmail.com>
> On 07/20/2013 02:42 AM, Masaru Tsuchiyama wrote:
> > Hi.
> >
> > I implement 'youngest' sub command to svn, and attach a patch.
> >
> 
> Masaru,
> 
> Thanks for the patch.  I didn't do a full review of it, but it looks as if you're taking the correct approach.  I did quickly notice some things that could be improved:
> 
> * The patch introduces tab characters.  Our project guidelines insist that only space characters be used for code indentation.
> 
> * "SVN_ERR( svn..."
>            ^^^ No space here.  Should be "SVN_ERR(svn..."
> 
> * I like the introduction of --no-newline, but the project is stingy with short options, reserving them for operations believed to be extremely common.  I'm not convinced that 'svn youngest --no-newline' is such an operation, so I cannot approve the allocation of "-n" for that.
> 
> * Finally, you should ensure that the user passed exactly 0 or 1 targets for the operation before trying to access members of the 'targets' array:
> 
>    /* We want exactly 0 or 1 targets for this subcommand. */
>    if (targets->nelts > 1)
>      return svn_error_create(SVN_ERR_CL_ARG_PARSING_ERROR, 0, NULL);
> 
>    /* Parse the first target into path-or-url. */
>    target_path = APR_ARRAY_IDX(targets, 0, const char *);