Merge branch 'obsd-master'

Sync from OpenBSD.

* obsd-master:
  Add halfpage commands to mode command string table (missed by accident), from Thomas Adam.
  Clarify some points about config files, notably that they are only read at server start. From Thomas Adam.
  Use a utility function for common code to show errors in config file, from Thomas Adam.

cfg.c

@@ -173,3 +173,25 @@ load_cfg(const char *path, struct cmd_ctx *ctxin, struct causelist *causes)
 
 	return (retval);
 }
+
+void
+show_cfg_causes(struct session *s)
+{
+	struct window_pane	*wp;
+	char			*cause;
+	u_int			 i;
+
+	if (s == NULL || ARRAY_EMPTY(&cfg_causes))
+		return;
+
+	wp = s->curw->window->active;
+
+	window_pane_set_mode(wp, &window_copy_mode);
+	window_copy_init_for_output(wp);
+	for (i = 0; i < ARRAY_LENGTH(&cfg_causes); i++) {
+		cause = ARRAY_ITEM(&cfg_causes, i);
+		window_copy_add(wp, "%s", cause);
+		free(cause);
+	}
+	ARRAY_FREE(&cfg_causes);
+}

cmd-new-session.c

@@ -58,14 +58,13 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
 	struct args		*args = self->args;
 	struct session		*s, *old_s, *groupwith;
 	struct window		*w;
-	struct window_pane	*wp;
 	struct environ		 env;
 	struct termios		 tio, *tiop;
 	struct passwd		*pw;
 	const char		*newname, *target, *update, *cwd, *errstr;
 	char			*cmd, *cause;
 	int			 detached, idx;
-	u_int			 sx, sy, i;
+	u_int			 sx, sy;
 
 	newname = args_get(args, 's');
 	if (newname != NULL) {
@@ -257,17 +256,8 @@ cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
 	 * If there are still configuration file errors to display, put the new
 	 * session's current window into more mode and display them now.
 	 */
-	if (cfg_finished && !ARRAY_EMPTY(&cfg_causes)) {
-		wp = s->curw->window->active;
-		window_pane_set_mode(wp, &window_copy_mode);
-		window_copy_init_for_output(wp);
-		for (i = 0; i < ARRAY_LENGTH(&cfg_causes); i++) {
-			cause = ARRAY_ITEM(&cfg_causes, i);
-			window_copy_add(wp, "%s", cause);
-			free(cause);
-		}
-		ARRAY_FREE(&cfg_causes);
-	}
+	if (cfg_finished)
+		show_cfg_causes(s);
 
 	return (detached ? CMD_RETURN_NORMAL : CMD_RETURN_ATTACH);
 }

mode-key.c

@@ -105,6 +105,8 @@ const struct mode_key_cmdstr mode_key_cmdstr_copy[] = {
 	{ MODEKEYCOPY_DOWN, "cursor-down" },
 	{ MODEKEYCOPY_ENDOFLINE, "end-of-line" },
 	{ MODEKEYCOPY_GOTOLINE, "goto-line" },
+	{ MODEKEYCOPY_HALFPAGEDOWN, "halfpage-down" },
+	{ MODEKEYCOPY_HALFPAGEUP, "halfpage-up" },
 	{ MODEKEYCOPY_HISTORYBOTTOM, "history-bottom" },
 	{ MODEKEYCOPY_HISTORYTOP, "history-top" },
 	{ MODEKEYCOPY_JUMP, "jump-forward" },

server.c

@@ -105,11 +105,8 @@ server_create_socket(void)
 int
 server_start(int lockfd, char *lockfile)
 {
-	struct window_pane	*wp;
-	int	 		 pair[2];
-	char			*cause;
-	struct timeval		 tv;
-	u_int			 i;
+	int	 	pair[2];
+	struct timeval	tv;
 
 	/* The first client is special and gets a socketpair; create it. */
 	if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pair) != 0)
@@ -179,17 +176,9 @@ server_start(int lockfd, char *lockfile)
 	 * If there is a session already, put the current window and pane into
 	 * more mode.
 	 */
-	if (!RB_EMPTY(&sessions) && !ARRAY_EMPTY(&cfg_causes)) {
-		wp = RB_MIN(sessions, &sessions)->curw->window->active;
-		window_pane_set_mode(wp, &window_copy_mode);
-		window_copy_init_for_output(wp);
-		for (i = 0; i < ARRAY_LENGTH(&cfg_causes); i++) {
-			cause = ARRAY_ITEM(&cfg_causes, i);
-			window_copy_add(wp, "%s", cause);
-			free(cause);
-		}
-		ARRAY_FREE(&cfg_causes);
-	}
+	if (!RB_EMPTY(&sessions) && !ARRAY_EMPTY(&cfg_causes))
+		show_cfg_causes(RB_MIN(sessions, &sessions));
+
 	cfg_finished = 1;
 
 	server_add_accept(0);

tmux.1

@@ -124,13 +124,19 @@ loads the system configuration file from
 .Pa /etc/tmux.conf ,
 if present, then looks for a user configuration file at
 .Pa ~/.tmux.conf .
+.Pp
 The configuration file is a set of
 .Nm
 commands which are executed in sequence when the server is first started.
-.Pp
-If a command in the configuration file fails,
 .Nm
-will report an error and exit without executing further commands.
+loads configuration files once when the server process has started.
+The
+.Ic source-file
+command may be used to load a file later.
+.Pp
+.Nm
+shows any error messages from commands in configuration files in the first
+session created, and continues to process the rest of the configuration file.
 .It Fl L Ar socket-name
 .Nm
 stores the server socket in a directory under

tmux.h

@@ -1516,6 +1516,7 @@ extern int       cfg_finished;
 extern struct causelist cfg_causes;
 void printflike2 cfg_add_cause(struct causelist *, const char *, ...);
 int		 load_cfg(const char *, struct cmd_ctx *, struct causelist *);
+void		 show_cfg_causes(struct session *);
 
 /* format.c */
 int		 format_cmp(struct format_entry *, struct format_entry *);