fast-import: prevent producing bad delta

diff --git a/sha1_name.c b/sha1_name.c
index ec836117d9b0a33f798b272584ec2908c938a49e..ff5992acc971ac5a67fa3d4def1e0c064b90519f 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -1012,11 +1012,13 @@ static void diagnose_invalid_sha1_path(const char *prefix,
                if (!get_tree_entry(tree_sha1, fullname,
                                    sha1, &mode)) {
                        die("Path '%s' exists, but not '%s'.\n"
-                           "Did you mean '%s:%s'?",
+                           "Did you mean '%s:%s' aka '%s:./%s'?",
                            fullname,
                            filename,
                            object_name,
-                           fullname);
+                           fullname,
+                           object_name,
+                           filename);
                }
                die("Path '%s' does not exist in '%s'",
                    filename, object_name);
@@ -1065,9 +1067,10 @@ static void diagnose_invalid_index_path(int stage,
                if (ce_namelen(ce) == fullnamelen &&
                    !memcmp(ce->name, fullname, fullnamelen))
                        die("Path '%s' is in the index, but not '%s'.\n"
-                           "Did you mean ':%d:%s'?",
+                           "Did you mean ':%d:%s' aka ':%d:./%s'?",
                            fullname, filename,
-                           ce_stage(ce), fullname);
+                           ce_stage(ce), fullname,
+                           ce_stage(ce), filename);
        }
 
        if (!lstat(filename, &st))