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3d2b5f2f49
To prepare introduction of new options some of which will be synonyms to existing options, let every option handling code just call corresponding function. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
120 lines
2.7 KiB
C
120 lines
2.7 KiB
C
#include "diff-merges.h"
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#include "revision.h"
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static void suppress(struct rev_info *revs)
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{
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revs->separate_merges = 0;
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revs->first_parent_merges = 0;
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revs->combine_merges = 0;
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revs->dense_combined_merges = 0;
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}
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static void set_separate(struct rev_info *revs)
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{
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suppress(revs);
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revs->separate_merges = 1;
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}
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static void set_m(struct rev_info *revs)
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{
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/*
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* To "diff-index", "-m" means "match missing", and to the "log"
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* family of commands, it means "show full diff for merges". Set
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* both fields appropriately.
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*/
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set_separate(revs);
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revs->match_missing = 1;
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}
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static void set_combined(struct rev_info *revs)
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{
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revs->combine_merges = 1;
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revs->dense_combined_merges = 0;
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}
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static void set_dense_combined(struct rev_info *revs)
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{
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revs->combine_merges = 1;
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revs->dense_combined_merges = 1;
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}
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static void set_diff_merges(struct rev_info *revs, const char *optarg)
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{
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if (!strcmp(optarg, "off")) {
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suppress(revs);
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} else {
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die(_("unknown value for --diff-merges: %s"), optarg);
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}
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}
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/*
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* Public functions. They are in the order they are called.
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*/
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int diff_merges_parse_opts(struct rev_info *revs, const char **argv)
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{
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int argcount = 1;
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const char *optarg;
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const char *arg = argv[0];
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if (!strcmp(arg, "-m"))
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set_m(revs);
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else if (!strcmp(arg, "-c"))
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set_combined(revs);
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else if (!strcmp(arg, "--cc"))
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set_dense_combined(revs);
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else if (!strcmp(arg, "--no-diff-merges"))
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suppress(revs);
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else if (!strcmp(arg, "--combined-all-paths"))
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revs->combined_all_paths = 1;
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else if ((argcount = parse_long_opt("diff-merges", argv, &optarg)))
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set_diff_merges(revs, optarg);
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else
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return 0;
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revs->explicit_diff_merges = 1;
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return argcount;
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}
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void diff_merges_suppress(struct rev_info *revs)
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{
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suppress(revs);
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}
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void diff_merges_default_to_first_parent(struct rev_info *revs)
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{
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if (!revs->explicit_diff_merges)
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revs->separate_merges = 1;
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if (revs->separate_merges)
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revs->first_parent_merges = 1;
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}
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void diff_merges_default_to_dense_combined(struct rev_info *revs)
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{
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if (!revs->explicit_diff_merges)
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set_dense_combined(revs);
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}
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void diff_merges_set_dense_combined_if_unset(struct rev_info *revs)
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{
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if (!revs->combine_merges)
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set_dense_combined(revs);
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}
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void diff_merges_setup_revs(struct rev_info *revs)
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{
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if (revs->combine_merges == 0)
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revs->dense_combined_merges = 0;
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if (revs->separate_merges == 0)
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revs->first_parent_merges = 0;
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if (revs->combined_all_paths && !revs->combine_merges)
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die("--combined-all-paths makes no sense without -c or --cc");
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if (revs->combine_merges) {
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revs->diff = 1;
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/* Turn --cc/-c into -p --cc/-c when -p was not given */
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if (!revs->diffopt.output_format)
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revs->diffopt.output_format = DIFF_FORMAT_PATCH;
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}
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}
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