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99e09dafd7
The last few commits have added command line options that can turn interpret-trailers into a parsing tool. Since they'd most often be used together, let's provide a convenient single option for callers to invoke this mode. This is implemented as a callback rather than a boolean so that its effect is applied immediately, as if those options had been specified. Later options can then override them. E.g.: git interpret-trailers --parse --no-unfold would work. Let's also update the documentation to make clear that this parsing mode behaves quite differently than the normal "add trailers to the input" mode. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/*
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* Builtin "git interpret-trailers"
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*
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* Copyright (c) 2013, 2014 Christian Couder <chriscool@tuxfamily.org>
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*
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*/
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#include "cache.h"
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#include "builtin.h"
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#include "parse-options.h"
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#include "string-list.h"
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#include "trailer.h"
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static const char * const git_interpret_trailers_usage[] = {
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N_("git interpret-trailers [--in-place] [--trim-empty] [(--trailer <token>[(=|:)<value>])...] [<file>...]"),
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NULL
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};
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static int parse_opt_parse(const struct option *opt, const char *arg,
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int unset)
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{
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struct process_trailer_options *v = opt->value;
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v->only_trailers = 1;
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v->only_input = 1;
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v->unfold = 1;
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return 0;
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}
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int cmd_interpret_trailers(int argc, const char **argv, const char *prefix)
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{
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struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT;
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struct string_list trailers = STRING_LIST_INIT_NODUP;
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struct option options[] = {
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OPT_BOOL(0, "in-place", &opts.in_place, N_("edit files in place")),
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OPT_BOOL(0, "trim-empty", &opts.trim_empty, N_("trim empty trailers")),
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OPT_BOOL(0, "only-trailers", &opts.only_trailers, N_("output only the trailers")),
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OPT_BOOL(0, "only-input", &opts.only_input, N_("do not apply config rules")),
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OPT_BOOL(0, "unfold", &opts.unfold, N_("join whitespace-continued values")),
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{ OPTION_CALLBACK, 0, "parse", &opts, NULL, N_("set parsing options"),
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PARSE_OPT_NOARG | PARSE_OPT_NONEG, parse_opt_parse },
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OPT_STRING_LIST(0, "trailer", &trailers, N_("trailer"),
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N_("trailer(s) to add")),
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OPT_END()
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};
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argc = parse_options(argc, argv, prefix, options,
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git_interpret_trailers_usage, 0);
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if (opts.only_input && trailers.nr)
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usage_msg_opt(
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_("--trailer with --only-input does not make sense"),
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git_interpret_trailers_usage,
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options);
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if (argc) {
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int i;
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for (i = 0; i < argc; i++)
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process_trailers(argv[i], &opts, &trailers);
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} else {
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if (opts.in_place)
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die(_("no input file given for in-place editing"));
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process_trailers(NULL, &opts, &trailers);
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}
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string_list_clear(&trailers, 0);
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return 0;
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}
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