#!/bin/sh -eu

# Check for mistakes in tarball distribution

# Make sure we don't distribute gz files
find $1/dist -name '*.gz' -print | tee /dev/stderr | sort | while read file; do
        echo "Refusing to distribute gzip files" >&2
        exit 1
done

# Make sure files are patchable
find $1/dist -type f | while read file; do
    # We don't care about these files
    case $file in
    *.png|*.svg|*.gif|*.map|*.woff|*.ttf|*.gz| \
    *machines/include/logo.js|*machines/include/keysymdef.js)
        continue
        ;;
    esac

    # The ratio between lines and characters must be below 1:x
    ratio=100

    wc $file | while read lines words bytes rest; do
        if [ "$lines" -eq 0 ]; then
            lines=1
        fi
        if [ "$bytes" -eq 0 ]; then
            bytes=1
        fi

        value=$(expr "$bytes" / "$lines")
        if [ "$value" -gt "$ratio" ]; then
            echo "Refusing to distribute unpatchable file: $file (line:byte 1:$value)" >&2
            exit 1
        fi
    done
done

# Make sure all po files are valid
find $1/po -name '*.po' -print | while read file; do
    if ! msgfmt "$file" -o /dev/null; then
        echo "Refusing to distribute invalid po file: $file" >&2
        exit 1
    fi
done