send-email: automatically determine transfer-encoding

diff --git a/builtin/difftool.c b/builtin/difftool.c
index aad0e073ee61648a73843ceddffbab6047c9721b..bc97d4aef2db2d76e3ffddfc4759e52688f3974e 100644 (file)
--- a/builtin/difftool.c
+++ b/builtin/difftool.c
@@ -610,7 +610,7 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
                        continue;
 
                if (!indices_loaded) {
-                       static struct lock_file lock;
+                       struct lock_file lock = LOCK_INIT;
                        strbuf_reset(&buf);
                        strbuf_addf(&buf, "%s/wtindex", tmpdir);
                        if (hold_lock_file_for_update(&lock, buf.buf, 0) < 0 ||
@@ -695,12 +695,11 @@ int cmd_difftool(int argc, const char **argv, const char *prefix)
                         N_("use `diff.guitool` instead of `diff.tool`")),
                OPT_BOOL('d', "dir-diff", &dir_diff,
                         N_("perform a full-directory diff")),
-               { OPTION_SET_INT, 'y', "no-prompt", &prompt, NULL,
+               OPT_SET_INT_F('y', "no-prompt", &prompt,
                        N_("do not prompt before launching a diff tool"),
-                       PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 0},
-               { OPTION_SET_INT, 0, "prompt", &prompt, NULL, NULL,
-                       PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_HIDDEN,
-                       NULL, 1 },
+                       0, PARSE_OPT_NONEG),
+               OPT_SET_INT_F(0, "prompt", &prompt, NULL,
+                       1, PARSE_OPT_NONEG | PARSE_OPT_HIDDEN),
                OPT_BOOL(0, "symlinks", &symlinks,
                         N_("use symlinks in dir-diff mode")),
                OPT_STRING('t', "tool", &difftool_cmd, N_("<tool>"),