merge-ort-wrappers.c

   1 #include "git-compat-util.h"
   2 #include "gettext.h"
   3 #include "hash.h"
   4 #include "merge-ort.h"
   5 #include "merge-ort-wrappers.h"
   6 #include "read-cache-ll.h"
   7 #include "tree.h"
   8
   9 #include "commit.h"
  10
  11 static int unclean(struct merge_options *opt, struct tree *head)
  12 {
  13         /* Sanity check on repo state; index must match head */
  14         struct strbuf sb = STRBUF_INIT;
  15
  16         if (head && repo_index_has_changes(opt->repo, head, &sb)) {
  17                 error(_("Your local changes to the following files would be overwritten by merge:\n  %s"),
  18                       sb.buf);
  19                 strbuf_release(&sb);
  20                 return -1;
  21         }
  22
  23         return 0;
  24 }
  25
  26 int merge_ort_nonrecursive(struct merge_options *opt,
  27                            struct tree *head,
  28                            struct tree *merge,
  29                            struct tree *merge_base)
  30 {
  31         struct merge_result result;
  32
  33         if (unclean(opt, head))
  34                 return -1;
  35
  36         if (oideq(&merge_base->object.oid, &merge->object.oid)) {
  37                 printf_ln(_("Already up to date."));
  38                 return 1;
  39         }
  40
  41         memset(&result, 0, sizeof(result));
  42         merge_incore_nonrecursive(opt, merge_base, head, merge, &result);
  43         merge_switch_to_result(opt, head, &result, 1, 1);
  44
  45         return result.clean;
  46 }
  47
  48 int merge_ort_recursive(struct merge_options *opt,
  49                         struct commit *side1,
  50                         struct commit *side2,
  51                         const struct commit_list *merge_bases,
  52                         struct commit **result)
  53 {
  54         struct tree *head = repo_get_commit_tree(opt->repo, side1);
  55         struct merge_result tmp;
  56
  57         if (unclean(opt, head))
  58                 return -1;
  59
  60         memset(&tmp, 0, sizeof(tmp));
  61         merge_incore_recursive(opt, merge_bases, side1, side2, &tmp);
  62         merge_switch_to_result(opt, head, &tmp, 1, 1);
  63         *result = NULL;
  64
  65         return tmp.clean;
  66 }