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-rw-r--r--merge-recursive.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/merge-recursive.c b/merge-recursive.c
index 10dca5644b..aee1769a7a 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -1712,6 +1712,14 @@ static char *find_path_for_conflict(struct merge_options *opt,
return new_path;
}
+/*
+ * Toggle the stage number between "ours" and "theirs" (2 and 3).
+ */
+static inline int flip_stage(int stage)
+{
+ return (2 + 3) - stage;
+}
+
static int handle_rename_rename_1to2(struct merge_options *opt,
struct rename_conflict_info *ci)
{
@@ -1756,14 +1764,14 @@ static int handle_rename_rename_1to2(struct merge_options *opt,
* such cases, we should keep the added file around,
* resolving the conflict at that path in its favor.
*/
- add = &ci->ren1->dst_entry->stages[2 ^ 1];
+ add = &ci->ren1->dst_entry->stages[flip_stage(2)];
if (is_valid(add)) {
if (update_file(opt, 0, add, a->path))
return -1;
}
else
remove_file_from_index(opt->repo->index, a->path);
- add = &ci->ren2->dst_entry->stages[3 ^ 1];
+ add = &ci->ren2->dst_entry->stages[flip_stage(3)];
if (is_valid(add)) {
if (update_file(opt, 0, add, b->path))
return -1;
@@ -1776,7 +1784,7 @@ static int handle_rename_rename_1to2(struct merge_options *opt,
* rename/add collision. If not, we can write the file out
* to the specified location.
*/
- add = &ci->ren1->dst_entry->stages[2 ^ 1];
+ add = &ci->ren1->dst_entry->stages[flip_stage(2)];
if (is_valid(add)) {
add->path = mfi.blob.path = a->path;
if (handle_file_collision(opt, a->path,
@@ -1797,7 +1805,7 @@ static int handle_rename_rename_1to2(struct merge_options *opt,
return -1;
}
- add = &ci->ren2->dst_entry->stages[3 ^ 1];
+ add = &ci->ren2->dst_entry->stages[flip_stage(3)];
if (is_valid(add)) {
add->path = mfi.blob.path = b->path;
if (handle_file_collision(opt, b->path,
@@ -1846,7 +1854,7 @@ static int handle_rename_rename_2to1(struct merge_options *opt,
path_side_1_desc = xstrfmt("version of %s from %s", path, a->path);
path_side_2_desc = xstrfmt("version of %s from %s", path, b->path);
ostage1 = ci->ren1->branch == opt->branch1 ? 3 : 2;
- ostage2 = ostage1 ^ 1;
+ ostage2 = flip_stage(ostage1);
ci->ren1->src_entry->stages[ostage1].path = a->path;
ci->ren2->src_entry->stages[ostage2].path = b->path;
if (merge_mode_and_contents(opt, a, c1,