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77 lines
2.0 KiB
77 lines
2.0 KiB
4 years ago
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#include "diff-merges.h"
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#include "revision.h"
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void init_diff_merge_revs(struct rev_info *revs)
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{
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revs->ignore_merges = -1;
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}
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int parse_diff_merge_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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/*
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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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revs->ignore_merges = 0;
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revs->match_missing = 1;
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} else if (!strcmp(arg, "-c")) {
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revs->diff = 1;
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revs->dense_combined_merges = 0;
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revs->combine_merges = 1;
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} else if (!strcmp(arg, "--cc")) {
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revs->diff = 1;
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revs->dense_combined_merges = 1;
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revs->combine_merges = 1;
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} else if (!strcmp(arg, "--no-diff-merges")) {
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revs->ignore_merges = 1;
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} else if (!strcmp(arg, "--combined-all-paths")) {
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revs->diff = 1;
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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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if (!strcmp(optarg, "off")) {
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revs->ignore_merges = 1;
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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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} else
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argcount = 0;
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return argcount;
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}
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void setup_diff_merges_revs(struct rev_info *revs)
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{
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if (revs->combine_merges && revs->ignore_merges < 0)
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revs->ignore_merges = 0;
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if (revs->ignore_merges < 0)
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revs->ignore_merges = 1;
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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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}
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void rev_diff_merges_first_parent_defaults_to_enable(struct rev_info *revs)
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{
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if (revs->first_parent_only && revs->ignore_merges < 0)
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revs->ignore_merges = 0;
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}
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void rev_diff_merges_default_to_dense_combined(struct rev_info *revs)
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{
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if (revs->ignore_merges < 0) {
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/* There was no "-m" variant on the command line */
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revs->ignore_merges = 0;
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if (!revs->first_parent_only && !revs->combine_merges) {
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/* No "--first-parent", "-c", or "--cc" */
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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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}
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}
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