diff options
| -rwxr-xr-x | bin/g-i-installation.sh | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/bin/g-i-installation.sh b/bin/g-i-installation.sh index 2ba2095f..b9d8b6e3 100755 --- a/bin/g-i-installation.sh +++ b/bin/g-i-installation.sh @@ -525,22 +525,27 @@ monitor_system() { PRINTF_OLD=$(printf "%06d" $OLD) # test if this screenshot is basically the same as the one 400 screenshots ago # 400 pixels difference between to images is tolerated, to ignore updating clocks - PIXEL=$(compare -metric AE snapshot_${PRINTF_NR}.ppm snapshot_${PRINTF_OLD}.ppm /dev/null 2>&1 || echo 100000) # FIXME: this is a broken workaround - echo "$PIXEL pixel difference between snapshot_${PRINTF_NR}.ppm and snapshot_${PRINTF_OLD}.ppm" - if [ $PIXEL -lt 400 ] ; then - # unless TRIGGER_MODE is empty, matching images means its over - if [ ! -z "$TRIGGER_MODE" ] ; then - echo "Warning: 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 - # this is only reached once in rescue mode - # and the next matching screenshots will cause a failure... - TRIGGER_MODE="already_matched" - # really kick off trigger: - let TRIGGER_NR=NR + PIXEL=$(compare -metric AE snapshot_${PRINTF_NR}.ppm snapshot_${PRINTF_OLD}.ppm /dev/null 2>&1 ) + # usually this returns an integer, but not always.... + if [[ "$PIXEL" =~ ^[0-9]+$ ]] ; then + echo "$PIXEL pixel difference between snapshot_${PRINTF_NR}.ppm and snapshot_${PRINTF_OLD}.ppm" + if [ $PIXEL -lt 400 ] ; then + # unless TRIGGER_MODE is empty, matching images means its over + if [ ! -z "$TRIGGER_MODE" ] ; then + echo "Warning: 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 + # this is only reached once in rescue mode + # and the next matching screenshots will cause a failure... + TRIGGER_MODE="already_matched" + # really kick off trigger: + let TRIGGER_NR=NR + fi fi + else + echo "snapshot_${PRINTF_NR}.ppm and snapshot_${PRINTF_OLD}.ppm have different sizes." fi fi # if TRIGGER_MODE matches NR, we are triggered too |