$BITRISE_CACHE_DIR seems to change between builds

Question & Answer
2

Hello there, I have a script for custom build numbers, but this could be easily be rewritten to this purpose as well I think

make sure to add $BITRISE_SOURCE_DIR/magicnum.txt to the cache push step

#!/usr/bin/env bash
# fail if any commands fails
set -e
# debug log
set -x

if [ ! -f $BITRISE_SOURCE_DIR/magicnum.txt ]
then
  touch $BITRISE_SOURCE_DIR/magicnum.txt
fi

inc=$(<$BITRISE_SOURCE_DIR/magicnum.txt)
if [ -z "$inc" ]
then
  echo 1000 > $BITRISE_SOURCE_DIR/magicnum.txt
  inc=$(<$BITRISE_SOURCE_DIR/magicnum.txt)
fi


if [ $BITRISE_TRIGGERED_WORKFLOW_TITLE == "test" ]
then
  build_number_offset=1
  envman add --key MY_BUILD_NUMBER --value $((build_number_offset + inc))
  echo $(( inc + 1 )) > ./magicnum.txt
fi
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