This commit hooks together all the directory rename logic by making the
necessary changes to the rename struct, it's dst_entry, and the
diff_filepair under consideration.
Signed-off-by: Elijah Newren
---
merge-recursive.c | 187 +++-
t/t6043-merge-rename-directories.sh | 50 +-
2 files changed, 211 insertions(+), 26 deletions(-)
diff --git a/merge-recursive.c b/merge-recursive.c
index 38dc0eefaf..7c78dc2dc1 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -177,6 +177,7 @@ static int oid_eq(const struct object_id *a, const struct
object_id *b)
enum rename_type {
RENAME_NORMAL = 0,
+ RENAME_DIR,
RENAME_DELETE,
RENAME_ONE_FILE_TO_ONE,
RENAME_ONE_FILE_TO_TWO,
@@ -607,6 +608,7 @@ struct rename {
*/
struct stage_data *src_entry;
struct stage_data *dst_entry;
+ unsigned add_turned_into_rename:1;
unsigned processed:1;
};
@@ -641,6 +643,27 @@ static int update_stages(struct merge_options *opt, const
char *path,
return 0;
}
+static int update_stages_for_stage_data(struct merge_options *opt,
+ const char *path,
+ const struct stage_data *stage_data)
+{
+ struct diff_filespec o, a, b;
+
+ o.mode = stage_data->stages[1].mode;
+ oidcpy(&o.oid, &stage_data->stages[1].oid);
+
+ a.mode = stage_data->stages[2].mode;
+ oidcpy(&a.oid, &stage_data->stages[2].oid);
+
+ b.mode = stage_data->stages[3].mode;
+ oidcpy(&b.oid, &stage_data->stages[3].oid);
+
+ return update_stages(opt, path,
+is_null_sha1(o.oid.hash) ? NULL : &o,
+is_null_sha1(a.oid.hash) ? NULL : &a,
+is_null_sha1(b.oid.hash) ? NULL : &b);
+}
+
static void update_entry(struct stage_data *entry,
struct diff_filespec *o,
struct diff_filespec *a,
@@ -1117,6 +1140,18 @@ static int merge_file_one(struct merge_options *o,
return merge_file_1(o, &one, &a, &b, branch1, branch2, mfi);
}
+static int conflict_rename_dir(struct merge_options *o,
+ struct diff_filepair *pair,
+ const char *rename_branch,
+ const char *other_branch)
+{
+ const struct diff_filespec *dest = pair->two;
+
+ if (update_file(o, 1, &dest->oid, dest->mode, dest->path))
+ return -1;
+ return 0;
+}
+
static int handle_change_delete(struct merge_options *o,
const char *path, const char *old_path,
const struct object_id *o_oid, int o_mode,
@@ -1386,6 +1421,24 @@ static int conflict_rename_rename_2to1(struct
merge_options *o,
if (!ret)
ret = update_file(o, 0, &mfi_c2.oid, mfi_c2.mode,
new_path2);
+ /*
+* unpack_trees() actually populates the index for us for
+* "normal" rename/rename(2to1) situtations so that the
+* correct entries are at the higher stages, which would
+* make the call below to update_stages_for_stage_data
+* unnecessary. However, if either of the renames came
+* from a directory rename, then unpack_trees() will not
+* have gotten the right data loaded into the index, so we
+* need to do so now. (While it'd be tempting to move this
+* call to update_stages_for_stage_data() to
+* apply_directory_rename_modifications(), that would break
+* our intermediate calls to would_lose_untracked() since
+* those rely on the current in-memory index. See also the
+* big "NOTE" in update_stages()).
+*/
+ if (update_stages_for_stage_data(o, path, ci->dst_entry1))
+ ret = -1;
+
free(new_path2);
free(new_path1);
}
@@ -1919,6 +1972,111 @@ static char *check_for_directory_rename(struct
merge_options *o,
return new_path;
}
+static void apply_directory_rename_modifications(struct merge_options *o,
+struct diff_filepair *pair,
+char *new_path,
+struct rename *re,
+struct tree *tree,
+struct tree *o_tree,
+struct tree *a_tree,
+struct tree *b_tree,
+struct string_list *entries,
+
