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source $BP_DIR/lib/binaries.sh

create_signature() {

echo "$(node --version); $(npm --version)"

}

save_signature() {

echo "$(create_signature)" > $CACHE_DIR/node/signature

}

load_signature() {

if test -f $CACHE_DIR/node/signature; then

cat $CACHE_DIR/node/signature

else

echo ""

fi

}

get_cache_status() {

if ! ${NODE_MODULES_CACHE:-true}; then

echo "disabled by config"

elif [ "$(create_signature)" != "$(load_signature)" ]; then

echo "new runtime signature"

else

echo "valid"

fi

}

get_cache_directories() {

local dirs1=$(read_json "$BUILD_DIR/package.json" ".cacheDirectories | .[]?")

local dirs2=$(read_json "$BUILD_DIR/package.json" ".cache_directories | .[]?")

if [ -n "$dirs1" ]; then

echo "$dirs1"

else

echo "$dirs2"

fi

}

restore_cache_directories() {

local build_dir=${1:-}

local cache_dir=${2:-}

for cachepath in ${@:3}; do

if [ -e "$build_dir/$cachepath" ]; then

echo "- $cachepath (exists - skipping)"

else

if [ -e "$cache_dir/node/$cachepath" ]; then

echo "- $cachepath"

mkdir -p $(dirname "$build_dir/$cachepath")

mv "$cache_dir/node/$cachepath" "$build_dir/$cachepath"

else

echo "- $cachepath (not cached - skipping)"

fi

fi

done

}

clear_cache() {

rm -rf $CACHE_DIR/node

mkdir -p $CACHE_DIR/node

}

save_cache_directories() {

local build_dir=${1:-}

local cache_dir=${2:-}

for cachepath in ${@:3}; do

if [ -e "$build_dir/$cachepath" ]; then

echo "- $cachepath"

mkdir -p "$cache_dir/node/$cachepath"

cp -a "$build_dir/$cachepath" $(dirname "$cache_dir/node/$cachepath")

else

echo "- $cachepath (nothing to cache)"

fi

done

}