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-rw-r--r--diff-lib.c41
1 files changed, 30 insertions, 11 deletions
diff --git a/diff-lib.c b/diff-lib.c
index 61812f48c2..346fdcf0b0 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -219,9 +219,9 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
continue;
} else if (revs->diffopt.ita_invisible_in_index &&
ce_intent_to_add(ce)) {
- diff_addremove(&revs->diffopt, '+', ce->ce_mode,
- the_hash_algo->empty_tree, 0,
- ce->name, 0);
+ newmode = ce_mode_from_stat(ce, st.st_mode);
+ diff_addremove(&revs->diffopt, '+', newmode,
+ &null_oid, 0, ce->name, 0);
continue;
}
@@ -405,14 +405,8 @@ static void do_oneway_diff(struct unpack_trees_options *o,
/* if the entry is not checked out, don't examine work tree */
cached = o->index_only ||
(idx && ((idx->ce_flags & CE_VALID) || ce_skip_worktree(idx)));
- /*
- * Backward compatibility wart - "diff-index -m" does
- * not mean "do not ignore merges", but "match_missing".
- *
- * But with the revision flag parsing, that's found in
- * "!revs->ignore_merges".
- */
- match_missing = !revs->ignore_merges;
+
+ match_missing = revs->match_missing;
if (cached && idx && ce_stage(idx)) {
struct diff_filepair *pair;
@@ -571,3 +565,28 @@ int index_differs_from(struct repository *r,
object_array_clear(&rev.pending);
return (rev.diffopt.flags.has_changes != 0);
}
+
+static struct strbuf *idiff_prefix_cb(struct diff_options *opt, void *data)
+{
+ return data;
+}
+
+void show_interdiff(const struct object_id *oid1, const struct object_id *oid2,
+ int indent, struct diff_options *diffopt)
+{
+ struct diff_options opts;
+ struct strbuf prefix = STRBUF_INIT;
+
+ memcpy(&opts, diffopt, sizeof(opts));
+ opts.output_format = DIFF_FORMAT_PATCH;
+ opts.output_prefix = idiff_prefix_cb;
+ strbuf_addchars(&prefix, ' ', indent);
+ opts.output_prefix_data = &prefix;
+ diff_setup_done(&opts);
+
+ diff_tree_oid(oid1, oid2, "", &opts);
+ diffcore_std(&opts);
+ diff_flush(&opts);
+
+ strbuf_release(&prefix);
+}