#!/bin/bash
#
# This script check that changes don't lead to code size regressions.
# (Size of the language core (== minimal port should not grow)).
#

setglobal REFERENCE = "$HOME/persist/firmware.bin"
#REFERENCE=/tmp/micropython
#TRAVIS_PULL_REQUEST=false

if test -f $REFERENCE {
    setglobal size_old = $[stat -c%s $REFERENCE]
    setglobal size_new = $[stat -c%s minimal/build/firmware.bin]
    echo "Old size: $size_old new size: $size_new"
    if test $size_new -gt $size_old {
        echo "Validation failure: Core code size increased"
        if test $TRAVIS_PULL_REQUEST != "false" {
            exit 1
        }
    }
} else {
    echo "Warning: reference file doesn't exist, code size check didn't run"
}