gen-patch-zip.sh

   1 #!/bin/bash
   2
   3 # Usage: gen-patch-zip [out-file]
   4 #
   5 # Generates an encrypted patch ZIP for all releases. If out-file is
   6 # specified, the encrypted patch ZIP is output to that file. Otherwise, the
   7 # patch ZIP is output to ./patch.zip.
   8 # -- vyhd
   9
  10 set -e
  11
  12 # include convenience functions and constants
  13 source common.sh
  14
  15 # the path containing the game data to be used for the patch
  16 PATCH_DIR="$ASSETS_DIR/patch-data"
  17
  18 # the patch file containing our data, using ./patch.zip by default.
  19 # if we have an argument, zip and encrypt into that file instead.
  20 PATCH_FILE=${1:-patch.zip}
  21
  22 # does in-place encryption (well, using a temp file)
  23 function encrypt-patch {
  24         TMP_FILE="/tmp/oitg-patch-enc-tmp"
  25
  26         if [ -z $1 ]; then
  27                 echo "you didn't give me anything to encrypt!"
  28                 return 1
  29         fi
  30
  31         # leave this visible in case it throws an error
  32         $ITG2_UTIL_PATH -p "$1" "$TMP_FILE"
  33
  34         mv "$TMP_FILE" "$1"
  35 }
  36
  37 # Require that the encryption file actually exists
  38 has_file "$ITG2_UTIL_PATH" "$ITG2_UTIL_FILE must be built in $ITG2_UTIL_DIR first."
  39
  40 # delete the patch file if it exists, or zip will try to update it
  41 rm -f "$PATCH_FILE"
  42
  43 # we need this so we can put patch.zip in the CWD
  44 CWD=`pwd`
  45
  46 # mild hack: wipe that CWD if we're using an absolute path
  47 if [ ${PATCH_FILE:0:1} == "/" ]; then CWD=""; fi
  48
  49 cd "$PATCH_DIR"
  50 echo "Zipping files into $PATCH_FILE..."
  51 zip -rq "$CWD/$PATCH_FILE" ./*/
  52 cd - 0&> /dev/null
  53
  54 echo "Encrypting patch data..."
  55 encrypt-patch "$PATCH_FILE"
  56
  57 echo "Patch successfully created: $PATCH_FILE"