From 5a8c6778fe784c4a0a9f0d5ff84b95b4ed18d26e Mon Sep 17 00:00:00 2001
From: Chris Lamb <chris@chris-lamb.co.uk>
Date: Fri, 8 Aug 2008 18:36:08 +0100
Subject: [PATCH] Print friendly error message on live-initramfs panic.

---
 scripts/live           |  3 +++
 scripts/live-functions | 43 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+)

diff --git a/scripts/live b/scripts/live
index d3c86a2..fb61d01 100755
--- a/scripts/live
+++ b/scripts/live
@@ -1350,6 +1350,9 @@ mountroot ()
 	tail -f live.log >&7 &
 	tailpid="${!}"
 
+	# Ensure 'panic' function is overridden
+    	. /scripts/live-functions
+
 	Arguments
 
 	set_usplash_timeout
diff --git a/scripts/live-functions b/scripts/live-functions
index c5055a0..d86a3f6 100644
--- a/scripts/live-functions
+++ b/scripts/live-functions
@@ -58,3 +58,46 @@ lang2locale() {
 		echo "C"
 	fi
 }
+
+# Override panic from scripts/functions
+panic() {
+
+	DEB_1="\033[1;31m ,''\`. \033[0m"
+	DEB_2="\033[1;31m: :' : \033[0m"
+	DEB_3="\033[1;31m\`. \`'  \033[0m"
+	DEB_4="\033[1;31m  \`-   \033[0m"
+
+	LIVELOG="\033[1;37m/live.log\033[0m"
+	DEBUG="\033[1;37mdebug\033[0m"
+
+	# Reset redirections to avoid buffering
+	exec 1>&6 6>&-
+	exec 2>&7 7>&-
+	kill ${tailpid}
+
+	printf "\n\n"
+	printf "     ${DEB_1}\n"
+	printf "     ${DEB_2}  \033[1;37mBOOT FAILED !!!\033[0m\n"
+	printf "     ${DEB_3}\n"
+	printf "     ${DEB_4}  This Debian Live image failed to boot.\n\n"
+
+	printf "  Please file a bug against the 'live-initramfs' package or email the Debian\n"
+	printf "  Live mailing list at <debian-live-devel@lists.alioth.debian.org>, making\n"
+	printf "  sure to note the exact version, name and distribution of the image you were\n"
+	printf "  attempting to boot.\n\n"
+
+	printf "  The file ${LIVELOG} contains some debugging information but booting with the\n"
+	printf "  ${DEBUG} command-line parameter will greatly increase its verbosity which is\n"
+	printf "  extremely useful when diagnosing issues.\n\n"
+
+	if [ -n "${panic}" ]; then
+		printf "  live-initramfs will now restart your system. "
+	else
+		printf "  live-initramfs will now start a shell. "
+	fi
+	printf "The error message was:\n\n    "
+
+	# Call original panic
+	. /scripts/functions
+	panic "$@"
+}
-- 
2.1.4