Run the source-file pattern through glob(3).

cfg.c

@@ -28,11 +28,11 @@
 
 #include "tmux.h"
 
-char			 *cfg_file;
-int			  cfg_finished;
-static char		**cfg_causes;
-static u_int		  cfg_ncauses;
-struct client		 *cfg_client;
+char		 *cfg_file;
+int		  cfg_finished;
+static char	**cfg_causes;
+static u_int	  cfg_ncauses;
+struct client	 *cfg_client;
 
 static enum cmd_retval
 cfg_done(__unused struct cmdq_item *item, __unused void *data)

cmd-source-file.c

@@ -18,7 +18,10 @@
 
 #include <sys/types.h>
 
+#include <errno.h>
+#include <glob.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "tmux.h"
 
@@ -48,23 +51,28 @@ cmd_source_file_exec(struct cmd *self, struct cmdq_item *item)
 	struct client		*c = item->client;
 	int			 quiet;
 	struct cmdq_item	*new_item;
+	enum cmd_retval		 retval;
+	glob_t			 g;
+	int			 i;
 
-	quiet = args_has(args, 'q');
-	switch (load_cfg(args->argv[0], c, item, quiet)) {
-	case -1:
-		if (cfg_finished)
-			cfg_print_causes(item);
+	if (glob(args->argv[0], 0, NULL, &g) != 0) {
+		cmdq_error(item, "%s: %s", args->argv[0], strerror(errno));
 		return (CMD_RETURN_ERROR);
-	case 0:
-		if (cfg_finished)
-			cfg_print_causes(item);
-		return (CMD_RETURN_NORMAL);
+	}
+	quiet = args_has(args, 'q');
+
+	retval = CMD_RETURN_NORMAL;
+	for (i = 0; i < g.gl_pathc; i++) {
+		if (load_cfg(g.gl_pathv[i], c, item, quiet) != 0)
+			retval = CMD_RETURN_ERROR;
 	}
 	if (cfg_finished) {
 		new_item = cmdq_get_callback(cmd_source_file_done, NULL);
 		cmdq_insert_after(item, new_item);
 	}
-	return (CMD_RETURN_NORMAL);
+
+	globfree(&g);
+	return (retval);
 }
 
 static enum cmd_retval

tmux.1

@@ -921,7 +921,10 @@ show debugging information about jobs and terminals.
 .Xc
 .D1 (alias: Ic source )
 Execute commands from
-.Ar path .
+.Ar path
+(which may be a
+.Xr glob 3
+pattern).
 If
 .Fl q
 is given, no error will be returned if

tmux.h

@@ -76,7 +76,7 @@ struct tmuxproc;
 
 #define READ_CHANGE_HITS 3
 
-/* Attribute to make gcc check printf-like arguments. */
+/* Attribute to make GCC check printf-like arguments. */
 #define printflike(a, b) __attribute__ ((format (printf, a, b)))
 
 /* Number of items in array. */