patch

#!/usr/bin/env bash

if [[ ! -f "/usr/local/bin/smv" ]]; then
    echo "error: Could not find SmartVersion executable in /usr/local/bin."
    exit 1
fi

if [[ $1 == "" ]]; then
    echo "usage: ./patch source-file target-file"
    exit 1
fi

if [[ $2 == "" ]]; then
    echo "usage: ./patch source-file target-file"
    exit 1
fi

if [[ ! -f "$1" ]]; then
    echo "error: Could not find source file."
    exit 1
fi

if [[ ! -f "$2" ]]; then
    echo "error: Could not find target file."
    exit 1
fi

# -nbhashbits 24 -compressratio 192: https://forums.mydigitallife.net/threads/smartversion-tools-scripts.79415/page-14#post-1599203
if ! "/usr/bin/env" "smv" BuildPatch "${1%.*}_to_${2%.*}.svf" $1 $2 -nbhashbits 24 -compressratio 192 -sha1 -sha256; then
    echo "error: Could not patch files."
    exit 1
fi

echo "success: Successfully patched files."
exit 0