Revert WIP parts of previous I didn't mean to commit yet.

client.c

@@ -252,13 +252,16 @@ client_main(struct event_base *base, int argc, char **argv, int flags,
 		 * flag.
 		 */
 		cmdlist = cmd_list_parse(argc, argv, NULL, 0, &cause);
-		if (cmdlist != NULL) {
+		if (cmdlist == NULL) {
-			TAILQ_FOREACH(cmd, &cmdlist->list, qentry) {
+			fprintf(stderr, "%s\n", cause);
-				if (cmd->entry->flags & CMD_STARTSERVER)
+			return (1);
-					cmdflags |= CMD_STARTSERVER;
-			}
-			cmd_list_free(cmdlist);
 		}
+		cmdflags &= ~CMD_STARTSERVER;
+		TAILQ_FOREACH(cmd, &cmdlist->list, qentry) {
+			if (cmd->entry->flags & CMD_STARTSERVER)
+				cmdflags |= CMD_STARTSERVER;
+		}
+		cmd_list_free(cmdlist);
 	}
 
 	/* Create client process structure (starts logging). */

cmd-string.c

@@ -54,15 +54,17 @@ cmd_string_ungetc(size_t *p)
 	(*p)--;
 }
 
-int
+struct cmd_list *
-cmd_string_split(const char *s, int *rargc, char ***rargv)
+cmd_string_parse(const char *s, const char *file, u_int line, char **cause)
 {
-	size_t		p = 0;
+	size_t		  p = 0;
-	int		ch, argc = 0, append = 0;
+	int		  ch, i, argc = 0;
-	char	      **argv = NULL, *buf = NULL, *t;
+	char		**argv = NULL, *buf = NULL, *t;
-	const char     *whitespace, *equals;
+	const char	 *whitespace, *equals;
-	size_t		len = 0;
+	size_t		  len = 0;
+	struct cmd_list	 *cmdlist = NULL;
 
+	*cause = NULL;
 	for (;;) {
 		ch = cmd_string_getc(s, &p);
 		switch (ch) {
@@ -113,67 +115,43 @@ cmd_string_split(const char *s, int *rargc, char ***rargv)
 				argc--;
 				memmove(argv, argv + 1, argc * (sizeof *argv));
 			}
-			goto done;
+			if (argc == 0)
+				goto out;
+
+			cmdlist = cmd_list_parse(argc, argv, file, line, cause);
+			goto out;
 		case '~':
-			if (buf != NULL) {
+			if (buf == NULL) {
-				append = 1;
+				t = cmd_string_expand_tilde(s, &p);
+				if (t == NULL)
+					goto error;
+				cmd_string_copy(&buf, t, &len);
 				break;
 			}
-			t = cmd_string_expand_tilde(s, &p);
+			/* FALLTHROUGH */
-			if (t == NULL)
-				goto error;
-			cmd_string_copy(&buf, t, &len);
-			break;
 		default:
-			append = 1;
-			break;
-		}
-		if (append) {
 			if (len >= SIZE_MAX - 2)
 				goto error;
+
 			buf = xrealloc(buf, len + 1);
 			buf[len++] = ch;
-		}
+			break;
-		append = 0;
-	}
-
-done:
-	*rargc = argc;
-	*rargv = argv;
-
-	free(buf);
-	return (0);
-
-error:
-	if (argv != NULL)
-		cmd_free_argv(argc, argv);
-	free(buf);
-	return (-1);
-}
-
-struct cmd_list *
-cmd_string_parse(const char *s, const char *file, u_int line, char **cause)
-{
-	struct cmd_list	 *cmdlist = NULL;
-	int		  argc;
-	char		**argv;
-
-	*cause = NULL;
-	if (cmd_string_split(s, &argc, &argv) != 0)
-		goto error;
-	if (argc != 0) {
-		cmdlist = cmd_list_parse(argc, argv, file, line, cause);
-		if (cmdlist == NULL) {
-			cmd_free_argv(argc, argv);
-			goto error;
 		}
 	}
-	cmd_free_argv(argc, argv);
-	return (cmdlist);
 
 error:
 	xasprintf(cause, "invalid or unknown command: %s", s);
-	return (NULL);
+
+out:
+	free(buf);
+
+	if (argv != NULL) {
+		for (i = 0; i < argc; i++)
+			free(argv[i]);
+		free(argv);
+	}
+
+	return (cmdlist);
 }
 
 static void

cmd.c

@@ -308,74 +308,21 @@ cmd_stringify_argv(int argc, char **argv)
 	return (buf);
 }
 
-static int
-cmd_try_alias(int *argc, char ***argv)
-{
-	struct options_entry	 *o;
-	int			  old_argc = *argc, new_argc;
-	char			**old_argv = *argv, **new_argv;
-	u_int			  size, idx;
-	int			  i;
-	size_t			  wanted;
-	const char		 *s, *cp = NULL;
-
-	o = options_get_only(global_options, "command-alias");
-	if (o == NULL || options_array_size(o, &size) == -1 || size == 0)
-		return (-1);
-
-	wanted = strlen(old_argv[0]);
-	for (idx = 0; idx < size; idx++) {
-		s = options_array_get(o, idx);
-		if (s == NULL)
-			continue;
-
-		cp = strchr(s, '=');
-		if (cp == NULL || (size_t)(cp - s) != wanted)
-			continue;
-		if (strncmp(old_argv[0], s, wanted) == 0)
-			break;
-	}
-	if (idx == size)
-		return (-1);
-
-	if (cmd_string_split(cp + 1, &new_argc, &new_argv) != 0)
-		return (-1);
-
-	*argc = new_argc + old_argc - 1;
-	*argv = xcalloc((*argc) + 1, sizeof **argv);
-
-	for (i = 0; i < new_argc; i++)
-		(*argv)[i] = xstrdup(new_argv[i]);
-	for (i = 1; i < old_argc; i++)
-		(*argv)[new_argc + i - 1] = xstrdup(old_argv[i]);
-
-	log_debug("alias: %s=%s", old_argv[0], cp + 1);
-	for (i = 0; i < *argc; i++)
-		log_debug("alias: argv[%d] = %s", i, (*argv)[i]);
-
-	cmd_free_argv(new_argc, new_argv);
-	return (0);
-}
-
 struct cmd *
 cmd_parse(int argc, char **argv, const char *file, u_int line, char **cause)
 {
-	const char		*name;
 	const struct cmd_entry **entryp, *entry;
 	struct cmd		*cmd;
 	struct args		*args;
 	char			 s[BUFSIZ];
-	int			 ambiguous, allocated = 0;
+	int			 ambiguous = 0;
 
 	*cause = NULL;
 	if (argc == 0) {
 		xasprintf(cause, "no command");
 		return (NULL);
 	}
-	name = argv[0];
 
-retry:
-	ambiguous = 0;
 	entry = NULL;
 	for (entryp = cmd_table; *entryp != NULL; entryp++) {
 		if ((*entryp)->alias != NULL &&
@@ -395,17 +342,10 @@ retry:
 		if (strcmp(entry->name, argv[0]) == 0)
 			break;
 	}
-	if ((ambiguous || entry == NULL) &&
-	    server_proc != NULL &&
-	    !allocated &&
-	    cmd_try_alias(&argc, &argv) == 0) {
-		allocated = 1;
-		goto retry;
-	}
 	if (ambiguous)
 		goto ambiguous;
 	if (entry == NULL) {
-		xasprintf(cause, "unknown command: %s", name);
+		xasprintf(cause, "unknown command: %s", argv[0]);
 		return (NULL);
 	}
 
@@ -425,8 +365,6 @@ retry:
 		cmd->file = xstrdup(file);
 	cmd->line = line;
 
-	if (allocated)
-		cmd_free_argv(argc, argv);
 	return (cmd);
 
 ambiguous:
@@ -440,7 +378,7 @@ ambiguous:
 			break;
 	}
 	s[strlen(s) - 2] = '\0';
-	xasprintf(cause, "ambiguous command: %s, could be: %s", name, s);
+	xasprintf(cause, "ambiguous command: %s, could be: %s", argv[0], s);
 	return (NULL);
 
 usage:

key-bindings.c

@@ -383,7 +383,7 @@ key_bindings_init(void)
 	for (i = 0; i < nitems(defaults); i++) {
 		cmdlist = cmd_string_parse(defaults[i], "<default>", i, &cause);
 		if (cmdlist == NULL)
-			fatalx("bad default key: %s", defaults[i]);
+			fatalx("bad default key");
 		cmdq_append(NULL, cmdq_get_command(cmdlist, NULL, NULL, 0));
 		cmd_list_free(cmdlist);
 	}

options-table.c

@@ -65,13 +65,6 @@ const struct options_table_entry options_table[] = {
 	  .default_num = 20
 	},
 
-	{ .name = "command-alias",
-	  .type = OPTIONS_TABLE_ARRAY,
-	  .scope = OPTIONS_TABLE_SERVER,
-	  .default_str = "split-pane=split-window,"
-	                 "splitp=split-window"
-	},
-
 	{ .name = "default-terminal",
 	  .type = OPTIONS_TABLE_STRING,
 	  .scope = OPTIONS_TABLE_SERVER,

tmux.h

@@ -1823,7 +1823,6 @@ void printflike(2, 3) cmdq_print(struct cmdq_item *, const char *, ...);
 void printflike(2, 3) cmdq_error(struct cmdq_item *, const char *, ...);
 
 /* cmd-string.c */
-int		 cmd_string_split(const char *, int *, char ***);
 struct cmd_list	*cmd_string_parse(const char *, const char *, u_int, char **);
 
 /* cmd-wait-for.c */