build-patch

#!/bin/bash

set -e

shopt -s nullglob

base_suffix=.
source "$(dirname "$(readlink -f "$0")")/$base_suffix/.global"

if [ "$3" == "" ]; then
    usage "build-patch <patch-source-dir> <fileset-api-level> <fileset-dir> [ <target-dir-to-create> [ <java-version> ] ]"
fi

patch_source_dir="${1%/}"
api_level="$2"
fileset_dir="${3%/}"
patch_build_dir="${4%/}"
java_version="${5:-$default_java_version}"

check_dir "$patch_source_dir"
check_fileset "$fileset_dir"

if [ "$patch_build_dir" == "" ]; then
    patch_build_dir="$(basename "$patch_source_dir")-dex"
fi

echo ">>> target directory: $patch_build_dir"
mkdir "$patch_build_dir"

tmp_dir="$patch_build_dir/tmp"
mkdir "$tmp_dir"

### dedex fileset

dedex_dir="$fileset_dir/dedex"
if [ ! -d "$dedex_dir" ]; then
    dedex_dir="$fileset_dir/dedex-auto"
    if [ ! -d "$dedex_dir" ]; then
        echo ">>> dedex fileset"
        dedex_dir="$tmp_dir/dedex"
        "$base_dir/dedex-fileset" "$fileset_dir" "$dedex_dir"
    fi
fi

### build patch parts

parts_dir="$tmp_dir/parts"
mkdir "$parts_dir"

bootclasspath=( "$dedex_dir"/{core{,-libart,-oj},ext,framework{,2}}.jar.dedex.jar )

build_patch_part() {

    local name="$1"

    echo ">>> build patch: $name"

    local source_dir="$patch_source_dir/$name"

    classpath=( "$dedex_dir/${name}.dedex.jar" "$dexpatcher_annotation_jar" )

    local part_dir="$parts_dir/$name"
    mkdir "$part_dir"

    #local classes_dir="$part_dir/classes"
    #mkdir "$classes_dir"
    local classes_dir="$part_dir"

    run_javac \
        -bootclasspath "$(join_with_char ':' "${bootclasspath[@]}")" \
        -classpath "$(join_with_char ':' "${classpath[@]}")" \
        -source "$java_version" -target "$java_version" \
        -d "$classes_dir" \
        -g:none \
        "$source_dir"{,"("[!"<>"]*")"}/*.java

    patch_dex="$patch_build_dir/${name}.dex"

    run_dx --dex --output "$patch_dex" "$dexpatcher_annotation_jar" "$classes_dir"

}

for part in "$patch_source_dir"/*.{jar,apk}; do
    build_patch_part "$(basename "$part")"
done

rm -rf "$tmp_dir"

### apply patch (dry-run)

echo
echo "*** apply fileset patch (dry-run)"

"$base_dir/patch-fileset" "$patch_build_dir" "$api_level" "$fileset_dir" --dry-run

echo "*** build-patch: success"