send-email: also pick up cc addresses from -by trailers

diff --git a/builtin/write-tree.c b/builtin/write-tree.c
index 299a121531c6d54d519d4daa9f52dada1ab84d4c..cdcbf8264e8c6e9b56977b99ad28160754d8fb7c 100644 (file)
--- a/builtin/write-tree.c
+++ b/builtin/write-tree.c
@@ -24,9 +24,8 @@ int cmd_write_tree(int argc, const char **argv, const char *unused_prefix)
        struct option write_tree_options[] = {
                OPT_BIT(0, "missing-ok", &flags, N_("allow missing objects"),
                        WRITE_TREE_MISSING_OK),
-               { OPTION_STRING, 0, "prefix", &prefix, N_("<prefix>/"),
-                 N_("write tree object for a subdirectory <prefix>") ,
-                 PARSE_OPT_LITERAL_ARGHELP },
+               OPT_STRING(0, "prefix", &prefix, N_("<prefix>/"),
+                          N_("write tree object for a subdirectory <prefix>")),
                { OPTION_BIT, 0, "ignore-cache-tree", &flags, NULL,
                  N_("only useful for debugging"),
                  PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, NULL,
@@ -38,7 +37,7 @@ int cmd_write_tree(int argc, const char **argv, const char *unused_prefix)
        argc = parse_options(argc, argv, unused_prefix, write_tree_options,
                             write_tree_usage, 0);
 
-       ret = write_cache_as_tree(oid.hash, flags, prefix);
+       ret = write_cache_as_tree(&oid, flags, prefix);
        switch (ret) {
        case 0:
                printf("%s\n", oid_to_hex(&oid));