From 230e39ec3558142c94858efae53c36ab0efbcf59 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicm@openbsd.org>
Date: Wed, 29 Dec 2010 21:28:32 +0000
Subject: Allow the config file parser and source-file to return "don't exit"
 to the client to let attach work from configuration files.

---
 cfg.c             | 10 +++++-----
 cmd-source-file.c | 22 +++++++++++++++++++---
 2 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/cfg.c b/cfg.c
index 406cf219..75e0414f 100644
--- a/cfg.c
+++ b/cfg.c
@@ -80,6 +80,7 @@ load_cfg(const char *path, struct cmd_ctx *ctxin, struct causelist *causes)
 	size_t		 len;
 	struct cmd_list	*cmdlist;
 	struct cmd_ctx	 ctx;
+	int		 retval;
 
 	if ((f = fopen(path, "rb")) == NULL) {
 		cfg_add_cause(causes, "%s: %s", path, strerror(errno));
@@ -88,6 +89,7 @@ load_cfg(const char *path, struct cmd_ctx *ctxin, struct causelist *causes)
 	n = 0;
 
 	line = NULL;
+	retval = 0;
 	while ((buf = fgetln(f, &len))) {
 		if (buf[len - 1] == '\n')
 			buf[len - 1] = '\0';
@@ -125,19 +127,17 @@ load_cfg(const char *path, struct cmd_ctx *ctxin, struct causelist *causes)
 		ctx.info = cfg_print;
 
 		cfg_cause = NULL;
-		cmd_list_exec(cmdlist, &ctx);
+		if (cmd_list_exec(cmdlist, &ctx) == 1)
+			retval = 1;
 		cmd_list_free(cmdlist);
 		if (cfg_cause != NULL) {
 			cfg_add_cause(causes, "%s: %d: %s", path, n, cfg_cause);
 			xfree(cfg_cause);
-			continue;
 		}
 	}
 	if (line != NULL)
 		xfree(line);
 	fclose(f);
 
-	if (ARRAY_LENGTH(causes) != 0)
-		return (-1);
-	return (0);
+	return (retval);
 }
diff --git a/cmd-source-file.c b/cmd-source-file.c
index 93a0800c..5ba7ed8b 100644
--- a/cmd-source-file.c
+++ b/cmd-source-file.c
@@ -91,19 +91,35 @@ cmd_source_file_exec(struct cmd *self, struct cmd_ctx *ctx)
 	struct cmd_source_file_data	*data = self->data;
 	struct causelist		 causes;
 	char				*cause;
+	struct window_pane		*wp;
+	int				 retval;
 	u_int				 i;
 
 	ARRAY_INIT(&causes);
-	if (load_cfg(data->path, ctx, &causes) != 0) {
+
+	retval = load_cfg(data->path, ctx, &causes);
+	if (ARRAY_EMPTY(&causes))
+		return (retval);
+
+	if (retval == 1 && !RB_EMPTY(&sessions) && ctx->cmdclient != NULL) {
+		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(&causes); i++) {
+			cause = ARRAY_ITEM(&causes, i);
+			window_copy_add(wp, "%s", cause);
+			xfree(cause);
+		}
+	} else {
 		for (i = 0; i < ARRAY_LENGTH(&causes); i++) {
 			cause = ARRAY_ITEM(&causes, i);
 			ctx->print(ctx, "%s", cause);
 			xfree(cause);
 		}
-		ARRAY_FREE(&causes);
 	}
+	ARRAY_FREE(&causes);
 
-	return (0);
+	return (retval);
 }
 
 void
-- 
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