| #!/sbin/sh |
| |
| # Validate that the incoming OTA is compatible with an already-installed |
| # system |
| |
| if [ -f /data/system/packages.xml -a -f /tmp/releasekey ]; then |
| relCert=$(grep -A3 'package name="com.android.providers.calendar"' /data/system/packages.xml | grep "cert index" | head -n 1 | sed -e 's|.*"\([[:digit:]]\)".*|\1|g') |
| |
| grep "cert index=\"$relCert\"" /data/system/packages.xml | grep -q `cat /tmp/releasekey` |
| if [ $? -ne 0 ]; then |
| echo "You have an installed system that isn't signed with this build's key, aborting..." |
| # Edify doesn't abort on non-zero executions, so let's trash the key and use sha1sum instead |
| echo "INVALID" > /tmp/releasekey |
| exit 1 |
| fi |
| fi |
| |
| exit 0 |