From 52220bab96e2cc691d2d958fa74e0b4c95168466 Mon Sep 17 00:00:00 2001
From: Eric Hameleers <alien@slackware.com>
Date: Wed, 16 Dec 2015 12:58:35 +0100
Subject: liveinit: add debug code for development (disabled by default).

---
 liveinit | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'liveinit')

diff --git a/liveinit b/liveinit
index 53ac8f5..0c32d33 100755
--- a/liveinit
+++ b/liveinit
@@ -41,6 +41,9 @@ PERSISTENCE="@PERSISTENCE@"
 # By default, let the media determine if we can write persistent changes:
 VIRGIN=0
 
+# Used for debugging the init; set to '1' to enable explicit pauses>
+DEBUG=0
+
 INITRD=$(cat /initrd-name)
 WAIT=$(cat /wait-for-root)
 KEYMAP=$(cat /keymap)
@@ -64,6 +67,9 @@ for ARG in $(cat /proc/cmdline); do
     0|1|2|3|4|5|6|S|s|single)
       RUNLEVEL=$ARG
     ;;
+    debug)
+      DEBUG=1
+    ;;
     hostname=*)
       LIVE_HOSTNAME=$(echo $ARG | cut -f2 -d=)
     ;;
@@ -112,6 +118,17 @@ for ARG in $(cat /proc/cmdline); do
   esac
 done
 
+debugit () {
+  [ $DEBUG -eq 0 ] && return
+  echo "DEBUG>> -- blkid info -- :"
+  blkid | while read LINE ; do echo "DEBUG>> $LINE" ; done
+  echo "DEBUG>> -- mount info -- :"
+  mount | while read LINE ; do echo "DEBUG>> $LINE" ; done
+  echo "DEBUG>> -- Press ENTER to continue -- : "
+  read JUNK
+  return
+}
+
 # If udevd is available, use it to generate block devices
 # else use mdev to read sysfs and generate the needed devices 
 if [ -x /sbin/udevd -a -x /sbin/udevadm ]; then
@@ -227,6 +244,8 @@ if [ "$RESCUE" = "" ]; then
     echo "${INITRD}:  Try adding \"rootdelay=20\" to the boot command."
   fi
 
+  debugit
+
   # Start assembling our live system components below /mnt/live :
   mkdir /mnt/live
 
@@ -309,6 +328,8 @@ if [ "$RESCUE" = "" ]; then
   mkdir -p /mnt/overlay
   mount -t overlay -o workdir=${OVLWORK},upperdir=${UPPERDIR},lowerdir=${RODIRS} overlay /mnt/overlay
 
+  debugit
+
   # Make the underpinning RAM fs accessible in the live system (for fun):
   mkdir -p /mnt/overlay/mnt/live
   mount --bind /mnt/live /mnt/overlay/mnt/live
-- 
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