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From: William Chargin <wchargin@gmail.com>
To: Jeff King <peff@peff.net>
Cc: Git Mailing List <git@vger.kernel.org>
Subject: Re: Parsing trailers
Date: Wed, 2 Jan 2019 23:43:55 -0800	[thread overview]
Message-ID: <CAFW+GMD9P-E4xCP+K5JAX70a6cgoHUzOXU-Tv3w6yhKGT_GaEg@mail.gmail.com> (raw)
In-Reply-To: <20190103070744.GA24149@sigill.intra.peff.net>

> That's what "%(trailers:only)" does (even if the original separator was
> something else). It also trims any extra whitespace.

Ooh, this is good to know: thanks. (I had found `print_tok_val` in
`trailer.c` and assumed that this was the only place with the output
logic, but I now see that `format_trailer_info` also exists in the same
file.)

> IMHO this is a bug in --parse. It was always meant to give sane,
> normalized output

Okay; this is good to hear. In that case, what would you think about
changing `interpret-trailers` as a whole to always emit colons? (Note
that the command is already lossy: even with no flags, it replaces each
separator character with the first character of `trailer.separators`.)
This has the advantage that we avoid adding a configuration option of
dubious value—it’s not clear to me why a user would actually _want_ to
change the separator to anything other than a colon. The patch should be
quite simple, too (only tested lightly on my machine):

diff --git a/trailer.c b/trailer.c
index 0796f326b3..722040e48c 100644
--- a/trailer.c
+++ b/trailer.c
@@ -156,7 +156,7 @@ static void print_tok_val(FILE *outfile, const
char *tok, const char *val)
        if (strchr(separators, c))
                fprintf(outfile, "%s%s\n", tok, val);
        else
-               fprintf(outfile, "%s%c %s\n", tok, separators[0], val);
+               fprintf(outfile, "%s: %s\n", tok, val);
 }

Is this veering too much from “bug fix” toward “backward-incompatible
behavior change” for your comfort?

I agree that either this or your (1) and (2) would eliminate the need
for `-z`, which is nice.

Best,
WC

  reply	other threads:[~2019-01-03  7:44 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-23 22:41 William Chargin
2018-12-24 10:58 ` Christian Couder
2018-12-24 18:52   ` William Chargin
2018-12-26  4:33     ` Christian Couder
2018-12-26 21:30       ` William Chargin
2019-01-03  7:07 ` Jeff King
2019-01-03  7:43   ` William Chargin [this message]
2019-01-03  7:50     ` Jeff King

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