merge-ort-wrappers.c

   1 #include "cache.h"
   2 #include "merge-ort.h"
   3 #include "merge-ort-wrappers.h"
   4
   5 #include "commit.h"
   6
   7 static int unclean(struct merge_options *opt, struct tree *head)
   8 {
   9         /* Sanity check on repo state; index must match head */
  10         struct strbuf sb = STRBUF_INIT;
  11
  12         if (head && repo_index_has_changes(opt->repo, head, &sb)) {
  13                 fprintf(stderr, _("Your local changes to the following files would be overwritten by merge:\n  %s"),
  14                     sb.buf);
  15                 strbuf_release(&sb);
  16                 return -1;
  17         }
  18
  19         return 0;
  20 }
  21
  22 int merge_ort_nonrecursive(struct merge_options *opt,
  23                            struct tree *head,
  24                            struct tree *merge,
  25                            struct tree *merge_base)
  26 {
  27         struct merge_result result;
  28
  29         if (unclean(opt, head))
  30                 return -1;
  31
  32         if (oideq(&merge_base->object.oid, &merge->object.oid)) {
  33                 printf_ln(_("Already up to date."));
  34                 return 1;
  35         }
  36
  37         memset(&result, 0, sizeof(result));
  38         merge_incore_nonrecursive(opt, merge_base, head, merge, &result);
  39         merge_switch_to_result(opt, head, &result, 1, 1);
  40
  41         return result.clean;
  42 }
  43
  44 int merge_ort_recursive(struct merge_options *opt,
  45                         struct commit *side1,
  46                         struct commit *side2,
  47                         struct commit_list *merge_bases,
  48                         struct commit **result)
  49 {
  50         struct tree *head = repo_get_commit_tree(opt->repo, side1);
  51         struct merge_result tmp;
  52
  53         if (unclean(opt, head))
  54                 return -1;
  55
  56         memset(&tmp, 0, sizeof(tmp));
  57         merge_incore_recursive(opt, merge_bases, side1, side2, &tmp);
  58         merge_switch_to_result(opt, head, &tmp, 1, 1);
  59         *result = NULL;
  60
  61         return tmp.clean;
  62 }