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interpret-trailers: add an option to unfold values

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The point of "--only-trailers" is to give a caller an output
that's easy for them to parse. Getting rid of the
non-trailer material helps, but we still may see more
complicated syntax like whitespace continuation. Let's add
an option to unfold any continuation, giving the output as a
single "key: value" line per trailer.

As a bonus, this could be used even without --only-trailers
to clean up unusual formatting in the incoming data.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King
2017-08-15 06:23:29 -04:00
committed by Junio C Hamano
parent fdbdb64f49
commit 000023961a
5 changed files with 56 additions and 0 deletions
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builtin/interpret-trailers.c
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@ -26,6 +26,7 @@ int cmd_interpret_trailers(int argc, const char **argv, const char *prefix)
OPT_BOOL(0, "trim-empty", &opts.trim_empty, N_("trim empty trailers")),
OPT_BOOL(0, "only-trailers", &opts.only_trailers, N_("output only the trailers")),
OPT_BOOL(0, "only-input", &opts.only_input, N_("do not apply config rules")),
OPT_BOOL(0, "unfold", &opts.unfold, N_("join whitespace-continued values")),
OPT_STRING_LIST(0, "trailer", &trailers, N_("trailer"),
N_("trailer(s) to add")),
OPT_END()