daemon: Strictly parse the "extra arg" part of the command

diff --git a/merge-recursive.c b/merge-recursive.c
index 3e1bc3e07f234089656397361b2b83b59bdc19a7..f5df9b961b2999e4824b900d61d28c254b2ef858 100644 (file)
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -520,8 +520,12 @@ static void update_file_flags(struct merge_options *o,
                unsigned long size;
 
                if (S_ISGITLINK(mode))
-                       die("cannot read object %s '%s': It is a submodule!",
-                           sha1_to_hex(sha), path);
+                       /*
+                        * We may later decide to recursively descend into
+                        * the submodule directory and update its index
+                        * and/or work tree, but we do not do that now.
+                        */
+                       goto update_index;
 
                buf = read_sha1_file(sha, &type, &size);
                if (!buf)
@@ -929,11 +933,12 @@ static int process_renames(struct merge_options *o,
                                       ren1_src, ren1_dst, branch1,
                                       branch2);
                                update_file(o, 0, ren1->pair->two->sha1, ren1->pair->two->mode, ren1_dst);
-                               update_stages(ren1_dst, NULL,
-                                               branch1 == o->branch1 ?
-                                               ren1->pair->two : NULL,
-                                               branch1 == o->branch1 ?
-                                               NULL : ren1->pair->two, 1);
+                               if (!o->call_depth)
+                                       update_stages(ren1_dst, NULL,
+                                                       branch1 == o->branch1 ?
+                                                       ren1->pair->two : NULL,
+                                                       branch1 == o->branch1 ?
+                                                       NULL : ren1->pair->two, 1);
                        } else if (!sha_eq(dst_other.sha1, null_sha1)) {
                                const char *new_path;
                                clean_merge = 0;
@@ -1116,21 +1121,13 @@ static int process_entry(struct merge_options *o,
                                 o->branch1, o->branch2);
 
                clean_merge = mfi.clean;
-               if (mfi.clean)
-                       update_file(o, 1, mfi.sha, mfi.mode, path);
-               else if (S_ISGITLINK(mfi.mode))
-                       output(o, 1, "CONFLICT (submodule): Merge conflict in %s "
-                              "- needs %s", path, sha1_to_hex(b.sha1));
-               else {
+               if (!mfi.clean) {
+                       if (S_ISGITLINK(mfi.mode))
+                               reason = "submodule";
                        output(o, 1, "CONFLICT (%s): Merge conflict in %s",
                                        reason, path);
-
-                       if (o->call_depth)
-                               update_file(o, 0, mfi.sha, mfi.mode, path);
-                       else
-                               update_file_flags(o, mfi.sha, mfi.mode, path,
-                                             0 /* update_cache */, 1 /* update_working_directory */);
                }
+               update_file(o, mfi.clean, mfi.sha, mfi.mode, path);
        } else if (!o_sha && !a_sha && !b_sha) {
                /*
                 * this entry was deleted altogether. a_mode == 0 means