volatile mode

this leaves us in a shell in the middle of the boot process
useful in development and other situations
kernel append can be volatile=yes or volatile=premount

1 files changed, 15 insertions, 2 deletions

diff --git a/dyneIII/live-init-scripts/scripts/live b/dyneIII/live-init-scripts/scripts/live
index 82f5413..ac0d322 100755
--- a/dyneIII/live-init-scripts/scripts/live
+++ b/dyneIII/live-init-scripts/scripts/live
@@ -352,6 +352,10 @@ Arguments ()
 UNIONTYPE="${ARGUMENT#union=}"
 export UNIONTYPE
 ;;
+ volatile=*)
+ VOLATILE="${ARGUMENT#volatile=}"
+ export VOLATILE
+ ;;
 esac
 done
 
@@ -913,7 +917,7 @@ do_httpmount ()
 then
 if [ -d "${alt_mountpoint}" ]
 then
- umount "${alt_mountpoint}"
+ umount "${alt_mountpoint}"
 rmdir "${alt_mountpoint}"
 fi
 umount "${mountpoint}"
@@ -1574,7 +1578,7 @@ check_dev ()
 ISO_DEVICE=$(dirname ${ISO_DEVICE})
 [ -b "$ISO_DEVICE" ] && break
 i=$(($i -1))
- done
+ done
 fi
 
 if [ "$ISO_DEVICE" = "/" ]
@@ -1841,6 +1845,10 @@ mountroot ()
 run_scripts /scripts/live-premount
 log_end_msg
 
+ if [ "${VOLATILE}" = "premount" ]; then
+ PS1='(volatile) ' /bin/sh -i </dev/console >/dev/console 2>&1
+ fi
+
 # Needed here too because some things (*cough* udev *cough*)
 # changes the timeout
 
@@ -1992,8 +2000,13 @@ mountroot ()
 umount "${rootmnt}/dev"
 fi
 
+ if [ -n "${VOLATILE}" ]; then
+ PS1='(volatile) ' /bin/sh -i </dev/console >/dev/console 2>&1
+ fi
+
 exec 1>&6 6>&-
 exec 2>&7 7>&-
 kill ${tailpid}
 [ -w "${rootmnt}/var/log/" ] && cp live-boot.log "${rootmnt}/var/log/" 2>/dev/null
+
 }