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	Correctly aggregate together errors from nested config files (with
source-file). Fix by Thomas Adam, reported by Sam Livingstone-Gray
This commit is contained in:
		@@ -42,35 +42,32 @@ enum cmd_retval
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cmd_source_file_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
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	struct args		*args = self->args;
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	struct causelist	 causes;
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	char			*cause;
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	struct window_pane	*wp;
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	int			 retval;
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	u_int			 i;
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	char			*cause;
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	ARRAY_INIT(&causes);
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	retval = load_cfg(args->argv[0], ctx, &cfg_causes);
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	retval = load_cfg(args->argv[0], ctx, &causes);
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	if (ARRAY_EMPTY(&causes))
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	/*
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	 * If the context for the cmdclient came from tmux's configuration
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	 * file, then return the status of this command now, regardless of the
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	 * error condition. Any errors from parsing a configuration file at
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	 * startup will be handled for us by the server.
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	 */
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	if (cfg_references > 0 ||
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	    (ctx->curclient == NULL && ctx->cmdclient == NULL))
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		return (retval);
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	if (retval == 1 && !RB_EMPTY(&sessions) && ctx->cmdclient != NULL) {
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		wp = RB_MIN(sessions, &sessions)->curw->window->active;
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		window_pane_set_mode(wp, &window_copy_mode);
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		window_copy_init_for_output(wp);
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		for (i = 0; i < ARRAY_LENGTH(&causes); i++) {
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			cause = ARRAY_ITEM(&causes, i);
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			window_copy_add(wp, "%s", cause);
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			free(cause);
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		}
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	} else {
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		for (i = 0; i < ARRAY_LENGTH(&causes); i++) {
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			cause = ARRAY_ITEM(&causes, i);
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			ctx->print(ctx, "%s", cause);
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			free(cause);
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		}
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	/*
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	 * We were called from the command-line in which case print the errors
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	 * gathered here directly.
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	 */
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	for (i = 0; i < ARRAY_LENGTH(&cfg_causes); i++) {
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		cause = ARRAY_ITEM(&cfg_causes, i);
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		ctx->print(ctx, "%s", cause);
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		free(cause);
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	}
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	ARRAY_FREE(&causes);
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	ARRAY_FREE(&cfg_causes);
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	return (retval);
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}
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