update-index: do not die too early in a read-only repository.

diff --git a/config.c b/config.c
index b6082f597c118d75a9342d1e0bf5788c7a8257ee..d82107124a53bca99ee65ea31dceb3871bf6796f 100644 (file)
--- a/config.c
+++ b/config.c
@@ -661,6 +661,11 @@ int git_config_set_multivar(const char* key, const char* value,
                                goto out_free;
                        }
                        c = tolower(c);
+               } else if (c == '\n') {
+                       fprintf(stderr, "invalid key (newline): %s\n", key);
+                       free(store.key);
+                       ret = 1;
+                       goto out_free;
                }
                store.key[i] = c;
        }
@@ -891,7 +896,7 @@ int git_config_rename_section(const char *old_name, const char *new_name)
                                if (buf[i] != old_name[j++])
                                        break;
                        }
-                       if (buf[i] == ']') {
+                       if (buf[i] == ']' && old_name[j] == 0) {
                                /* old_name matches */
                                ret++;
                                store.baselen = strlen(new_name);