From e0d006cd8e186d28ce11d20a9ab6f8462de882fe Mon Sep 17 00:00:00 2001
From: Arne Fitzenreiter <arne_f@ipfire.org>
Date: Mon, 30 Mar 2015 13:11:40 +0200
Subject: [PATCH] installer: add option to disable grafic mode for grub.

add novga to kernel commandline for the installer to add
GFXMODE="none" to /etc/default/grub.
---
 config/syslinux/syslinux.cfg |  1 +
 src/installer/main.c         | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/config/syslinux/syslinux.cfg b/config/syslinux/syslinux.cfg
index cfb8113cf6..39521675da 100644
--- a/config/syslinux/syslinux.cfg
+++ b/config/syslinux/syslinux.cfg
@@ -50,6 +50,7 @@ Run the installer in text mode.
 		ENDTEXT
 		KERNEL vmlinuz
 		INITRD instroot
+		APPEND novga
 
 	LABEL unattended
 		MENU LABEL Unattended installation
diff --git a/src/installer/main.c b/src/installer/main.c
index 75c8c5ae0b..c420de3a18 100644
--- a/src/installer/main.c
+++ b/src/installer/main.c
@@ -271,6 +271,7 @@ static struct lang {
 static struct config {
 	int unattended;
 	int serial_console;
+	int novga;
 	int require_networking;
 	int perform_download;
 	int disable_swap;
@@ -280,6 +281,7 @@ static struct config {
 } config = {
 	.unattended = 0,
 	.serial_console = 0,
+	.novga = 0,
 	.require_networking = 0,
 	.perform_download = 0,
 	.disable_swap = 0,
@@ -309,6 +311,10 @@ static void parse_command_line(struct config* c) {
 			if ((strcmp(key, "console") == 0) && (strncmp(val, "ttyS", 4) == 0))
 				c->serial_console = 1;
 
+			// novga
+			else if (strcmp(key, "novga") == 0)
+				c->novga = 1;
+
 			// enable networking?
 			else if (strcmp(token, "installer.net") == 0)
 				c->require_networking = 1;
@@ -825,6 +831,19 @@ int main(int argc, char *argv[]) {
 		replace("/harddisk/etc/inittab", "#7:2345:respawn:", "7:2345:respawn:");
 	}
 
+	/* novga */
+	if (config.novga) {
+		/* grub */
+		FILE* f = fopen(DESTINATION_MOUNT_PATH "/etc/default/grub", "a");
+		if (!f) {
+			errorbox(_("Unable to open /etc/default/grub for writing."));
+			goto EXIT;
+		}
+
+		fprintf(f, "GRUB_GFXMODE=\"none\"\n");
+		fclose(f);
+	}
+
 	rc = hw_install_bootloader(destination, logfile);
 	if (rc) {
 		errorbox(_("Unable to install the bootloader."));
-- 
2.39.5