path: always pass in commondir to update_common_dir

diff --git a/builtin/merge.c b/builtin/merge.c
index a4a098f40f8e3e61c3f8b730a6b22a83c3c23566..900bafdb45d0b28ab5497cfd251535266fc92be5 100644 (file)
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -7,6 +7,7 @@
  */
 
 #include "cache.h"
+#include "config.h"
 #include "parse-options.h"
 #include "builtin.h"
 #include "lockfile.h"
@@ -415,7 +416,7 @@ static void finish(struct commit *head_commit,
                        DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;
                opts.detect_rename = DIFF_DETECT_RENAME;
                diff_setup_done(&opts);
-               diff_tree_sha1(head->hash, new_head->hash, "", &opts);
+               diff_tree_oid(head, new_head, "", &opts);
                diffcore_std(&opts);
                diff_flush(&opts);
        }
@@ -839,9 +840,7 @@ static int suggest_conflicts(void)
        struct strbuf msgbuf = STRBUF_INIT;
 
        filename = git_path_merge_msg();
-       fp = fopen(filename, "a");
-       if (!fp)
-               die_errno(_("Could not open '%s' for writing"), filename);
+       fp = xfopen(filename, "a");
 
        append_conflicts_hint(&msgbuf);
        fputs(msgbuf.buf, fp);