Re: PATCH: Add `sourcetrace' option

[Peter <vmail@mycircuit.org>]

On 01/23/2010 11:18 AM, Frank Terbeck wrote:
> Peter wrote:
>    
>> Is there a way to list the files that the shell has read on startup?
>>      
> With this patch, you can invoke zsh like this:
>      % zsh -o sourcetrace
>
> to make zsh tell you which files it sources right before it does. That
> would catch all the files, that are read upon startup, too.
>
> I don't know how much sense it would make to make this part of zsh in
> this or another form; but this was easy enough, so no time wasted.
>
> Regards, Frank
>
> ---
>   Doc/Zsh/options.yo |    8 ++++++++
>   Src/init.c         |    5 +++++
>   Src/options.c      |    1 +
>   Src/zsh.h          |    1 +
>   4 files changed, 15 insertions(+), 0 deletions(-)
>
> diff --git a/Doc/Zsh/options.yo b/Doc/Zsh/options.yo
> index 8c11c82..e19a58a 100644
> --- a/Doc/Zsh/options.yo
> +++ b/Doc/Zsh/options.yo
> @@ -1584,6 +1584,14 @@ Sequences of digits indicating a numeric base such as the `tt(08)'
>   component in `tt(08#77)' are always interpreted as decimal, regardless
>   of leading zeroes.
>   )
> +pindex(SOURCE_TRACE)
> +pindex(NO_SOURCE_TRACE)
> +pindex(SOURCETRACE)
> +pindex(NOSOURCETRACE)
> +item(tt(SOURCE_TRACE))(
> +If set, when sourcing a file zsh will print a message about which file
> +it is about to source.
> +)
>   pindex(TYPESET_SILENT)
>   pindex(NO_TYPESET_SILENT)
>   pindex(TYPESETSILENT)
> diff --git a/Src/init.c b/Src/init.c
> index 123e20e..c59d632 100644
> --- a/Src/init.c
> +++ b/Src/init.c
> @@ -1102,6 +1102,11 @@ source(char *s)
>   	return SOURCE_NOT_FOUND;
>       }
>
> +    if (isset(SOURCETRACE)) {
> +	fprintf(stderr, "sourcetrace>  \"%s\"\n", s);
> +	fflush(stderr);
> +    }
> +
>       /* save the current shell state */
>       fd        = SHIN;            /* store the shell input fd                  */
>       obshin    = bshin;          /* store file handle for buffered shell input */
> diff --git a/Src/options.c b/Src/options.c
> index a5f299e..7055466 100644
> --- a/Src/options.c
> +++ b/Src/options.c
> @@ -233,6 +233,7 @@ static struct optname optns[] = {
>   {{NULL, "shwordsplit",	      OPT_EMULATE|OPT_BOURNE},	 SHWORDSPLIT},
>   {{NULL, "singlecommand",      OPT_SPECIAL},		 SINGLECOMMAND},
>   {{NULL, "singlelinezle",      OPT_KSH},			 SINGLELINEZLE},
> +{{NULL, "sourcetrace",        0},			 SOURCETRACE},
>   {{NULL, "sunkeyboardhack",    0},			 SUNKEYBOARDHACK},
>   {{NULL, "transientrprompt",   0},			 TRANSIENTRPROMPT},
>   {{NULL, "trapsasync",	      0},			 TRAPSASYNC},
> diff --git a/Src/zsh.h b/Src/zsh.h
> index 060f8a6..f2bab06 100644
> --- a/Src/zsh.h
> +++ b/Src/zsh.h
> @@ -1999,6 +1999,7 @@ enum {
>       SHWORDSPLIT,
>       SINGLECOMMAND,
>       SINGLELINEZLE,
> +    SOURCETRACE,
>       SUNKEYBOARDHACK,
>       TRANSIENTRPROMPT,
>       TRAPSASYNC,
>    
Thanks a lot for the patch, this is exactly what I was looking for ...
Peter