sign

#!/bin/bash

Output() {
  echo "$(date -d "1970-01-01 UTC $2 seconds") - $1"
}

Duration() {
  local S=$(echo $FINISH_TIME $BEGIN_TIME | awk '{print$1-$2}')
  ((h=S/3600))
  ((m=S%3600/60))
  ((s=S%60))
  printf "Signing took: %dh:%dm:%ds\n" $h $m $s
}

Begin() {
  BEGIN_TIME=$(date +%s)
  Output Begin $BEGIN_TIME "$1"
}

Finish() {
  FINISH_TIME=$(date +%s)
  Output Finished $FINISH_TIME "$1"
  Duration
}

[ $# -eq 0 ] && { echo "Usage: $0 'input'"; exit 1; }

SIGNDIR=~/bin/keys

INPUT="$1"
OUTPUT="${INPUT%.*}"-signed.apk
Begin
echo "Signing ${INPUT##*/} as ${OUTPUT##*/}"
java -jar $SIGNDIR/signapk.jar $SIGNDIR/testkey.x509.pem $SIGNDIR/testkey.pk8 "$INPUT" "$OUTPUT"
echo "Done!"
Finish
read -p "Press [Enter] to continue."