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-rwxr-xr-xbin/g-i-installation.sh40
1 files changed, 24 insertions, 16 deletions
diff --git a/bin/g-i-installation.sh b/bin/g-i-installation.sh
index e19fa747..189de748 100755
--- a/bin/g-i-installation.sh
+++ b/bin/g-i-installation.sh
@@ -231,6 +231,8 @@ normal_action() {
monitor_system() {
MODE=$1
+ # FIXME: this is kind of wicked / badly named:
+ # if called with $2=something, TRIGGER_NR will be 0, thus there will never be any keys pressed....
TRIGGERED=$2
TRIGGER_NR=0
cd $RESULTS
@@ -261,8 +263,23 @@ monitor_system() {
vncdo -s $DISPLAY key ctrl
# take a screenshot for later publishing
backup_screenshot
+ #
+ # search for known text ocr of screenshot and break out of this loop if certain content is found
+ #
+ GOCR=$(mktemp)
+ gocr snapshot_${PRINTF_NR}.ppm > $GOCR
+ LAST_LINE=$(tail -1 $GOCR |cut -d "]" -f2- || true)
+ STACK_LINE=$(egrep "(Call Trace|end trace)" $GOCR || true)
+ rm $GOCR
+ if [ "$LAST_LINE" = " Power down." ] ; then
+ echo "QEMU was powered down, continuing."
+ break
+ elif [ ! -z "$STACK_LINE" ] ; then
+ echo "WARNING: got a stack-trace, probably on power-down."
+ break
+ fi
fi
- # let's drive this further
+ # let's drive this further (once/if triggered)
case $MODE in
rescue) rescue_action
;;
@@ -270,33 +287,24 @@ monitor_system() {
;;
*) ;;
esac
- # test if this screenshot is the same as the one 400 screenshots ago, and if so, probably stop this...
+ # every 100 screenshots, starting from the 400ths one...
if [ $(($NR % 100)) -eq 0 ] && [ $NR -gt 400 ] ; then
# from help let: "Exit Status: If the last ARG evaluates to 0, let returns 1; let returns 0 otherwise."
let OLD=NR-400
PRINTF_OLD=$(printf "%06d" $OLD)
+ # test if this screenshot is the same as the one 400 screenshots ago
if diff -q snapshot_${PRINTF_NR}.ppm snapshot_${PRINTF_OLD}.ppm ; then
set -x
- GOCR=$(mktemp)
- gocr snapshot_${PRINTF_NR}.ppm > $GOCR
- LAST_LINE=$(tail -1 $GOCR |cut -d "]" -f2- || true)
- STACK_LINE=$(egrep "(Call Trace|end trace)" $GOCR || true)
- rm $GOCR
- if [ "$LAST_LINE" = " Power down." ] ; then
- echo "QEMU was powered down, continuing."
- backup_screenshot
- break
- elif [ ! -z "$STACK_LINE" ] ; then
- echo "WARNING: got a stack-trace, probably on power-down."
- backup_screenshot
- break
- elif [ ! -z "$TRIGGERED" ] ; then
+ # if so and if TRIGGERED != ""
+ if [ ! -z "$TRIGGERED" ] ; then
echo ERROR snapshot_${PRINTF_NR}.ppm snapshot_${PRINTF_OLD}.ppm match, ending installation.
ls -la snapshot_${PRINTF_NR}.ppm snapshot_${PRINTF_OLD}.ppm
figlet "Installation hangs."
break
else
+ # fail next time screenshot matchs
TRIGGERED="true"
+ # really kick off trigger:
let TRIGGER_NR=NR-1
echo $TRIGGER_NR
fi