Re: [PATCH v4 10/17] trailer: if no input file is passed, read from stdin

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Christian Couder <chriscool@xxxxxxxxxxxxx> writes:

> It is simpler and more natural if the "git interpret-trailers"
> is made a filter as its output already goes to sdtout.

sdtout???

>
> Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
> ---
>  builtin/interpret-trailers.c  |  2 +-
>  t/t7513-interpret-trailers.sh |  7 +++++++
>  trailer.c                     | 15 +++++++++------
>  3 files changed, 17 insertions(+), 7 deletions(-)
>
> diff --git a/builtin/interpret-trailers.c b/builtin/interpret-trailers.c
> index 04b0ae2..ae8e561 100644
> --- a/builtin/interpret-trailers.c
> +++ b/builtin/interpret-trailers.c
> @@ -23,7 +23,7 @@ int cmd_interpret_trailers(int argc, const char **argv, const char *prefix)
>  
>  	struct option options[] = {
>  		OPT_BOOL(0, "trim-empty", &trim_empty, N_("trim empty trailers")),
> -		OPT_FILENAME(0, "infile", &infile, N_("use message from file")),
> +		OPT_FILENAME(0, "infile", &infile, N_("use message from file, instead of stdin")),
>  		OPT_END()
>  	};
>  
> diff --git a/t/t7513-interpret-trailers.sh b/t/t7513-interpret-trailers.sh
> index 8be333c..f5ef81f 100755
> --- a/t/t7513-interpret-trailers.sh
> +++ b/t/t7513-interpret-trailers.sh
> @@ -205,4 +205,11 @@ test_expect_success 'using "ifMissing = doNothing"' '
>  	test_cmp expected actual
>  '
>  
> +test_expect_success 'with input from stdin' '
> +	cat complex_message_body >expected &&
> +	printf "Bug #42\nFixes: \nAcked-by= \nAcked-by= Junio\nAcked-by= Peff\nReviewed-by: \nSigned-off-by: \n" >>expected &&
> +	git interpret-trailers "review:" "fix=53" "cc=Linus" "ack: Junio" "fix=22" "bug: 42" "ack: Peff" < complex_message >actual &&
> +	test_cmp expected actual
> +'
> +
>  test_done
> diff --git a/trailer.c b/trailer.c
> index 8681aed..73a65e0 100644
> --- a/trailer.c
> +++ b/trailer.c
> @@ -464,8 +464,13 @@ static struct strbuf **read_input_file(const char *infile)
>  {
>  	struct strbuf sb = STRBUF_INIT;
>  
> -	if (strbuf_read_file(&sb, infile, 0) < 0)
> -		die_errno(_("could not read input file '%s'"), infile);
> +	if (infile) {
> +		if (strbuf_read_file(&sb, infile, 0) < 0)
> +			die_errno(_("could not read input file '%s'"), infile);
> +	} else {
> +		if (strbuf_read(&sb, fileno(stdin), 0) < 0)
> +			die_errno(_("could not read from stdin"));
> +	}
>  
>  	return strbuf_split(&sb, '\n');
>  }
> @@ -530,10 +535,8 @@ void process_trailers(const char *infile, int trim_empty, int argc, const char *
>  
>  	git_config(git_trailer_config, NULL);
>  
> -	/* Print the non trailer part of infile */
> -	if (infile) {
> -		process_input_file(infile, &infile_tok_first, &infile_tok_last);
> -	}
> +	/* Print the non trailer part of infile (or stdin if infile is NULL) */
> +	process_input_file(infile, &infile_tok_first, &infile_tok_last);
>  
>  	arg_tok_first = process_command_line_args(argc, argv);
--
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