Patch file for @yarnpkg/libzip
1. Stop using docker
2. Use local copy of zlib-ng and @arcanis/libzip
   instead of downloading from internet
--- a/packages/yarnpkg-libzip/artifacts/build.sh
+++ b/packages/yarnpkg-libzip/artifacts/build.sh
@@ -17,33 +17,15 @@
 LIBZIP_ROOT="$THIS_DIR/libzip-$LIBZIP_VERSION"
 
 [[ -f "$ZLIB_ROOT/build/libz.a" ]] || (
-  if ! [[ -e zlib-"$ZLIB_VERSION".zip ]]; then
-    wget -O ./zlib-"$ZLIB_VERSION".zip "https://github.com/zlib-ng/zlib-ng/archive/refs/tags/$ZLIB_VERSION.zip"
-  fi
-
-  if ! [[ -e "$ZLIB_ROOT" ]]; then
-    unzip ./zlib-"$ZLIB_VERSION".zip
-  fi
+  ln -s ../../../zlib-ng ./zlib-ng-"$ZLIB_VERSION"
+  cd zlib-ng-"$ZLIB_VERSION"
 
   mkdir -p "$ZLIB_ROOT/build"
+  cd "$ZLIB_ROOT/build"
 
-  docker run --rm \
-    -v "$ZLIB_ROOT:/zlib" \
-    -u $(id -u):$(id -g) \
-    --env CHOST="wasm32" \
-    --env CFLAGS="-O3" \
-    -w "/zlib/build" \
-    emscripten/emsdk:$EMSDK_VERSION \
-    emconfigure ../configure --warn --zlib-compat --static
-
-  docker run --rm \
-    -v "$ZLIB_ROOT:/zlib" \
-    -u $(id -u):$(id -g) \
-    -w "/zlib/build" \
-    emscripten/emsdk:$EMSDK_VERSION \
-    emmake make -j2
+  CHOST="wasm32" CFLAGS="-O3" emconfigure ../configure --warn --zlib-compat --static
+  emmake make -j2
 
-  cd "$ZLIB_ROOT/build"
   mkdir -p local/lib local/include
   cp libz.a local/lib/
   cp zconf.h zlib.h zlib_name_mangling.h local/include/
@@ -52,34 +34,13 @@
 )
 
 [[ -f "$LIBZIP_ROOT/build/lib/libzip.a" ]] || (
-  if [[ -n "$LIBZIP_REPO" ]]; then
-    if ! [[ -e libzip-"$LIBZIP_VERSION" ]]; then
-      git clone https://github.com/"$LIBZIP_REPO" libzip-"$LIBZIP_VERSION"
-
-      cd libzip-"$LIBZIP_VERSION"
-      git checkout "$LIBZIP_COMMIT"
-      cd ..
-    fi
-  else
-    if ! [[ -e libzip-"$LIBZIP_VERSION".tar.gz ]]; then
-      wget -O ./libzip-"$LIBZIP_VERSION".tar.gz "https://libzip.org/download/libzip-$LIBZIP_VERSION.tar.gz"
-    fi
-
-    if ! [[ -e libzip-"$LIBZIP_VERSION" ]]; then
-      tar xvf ./libzip-"$LIBZIP_VERSION".tar.gz
-    fi
-  fi
+  ln -s ../../../arcanis-libzip ./libzip-"$LIBZIP_VERSION"
+  cd libzip-"$LIBZIP_VERSION"
 
   mkdir -p "$LIBZIP_ROOT/build"
+  cd "$LIBZIP_ROOT/build"
 
-  docker run --rm \
-    -v "$LIBZIP_ROOT:/libzip" \
-    -v "$ZLIB_ROOT:/zlib" \
-    -u $(id -u):$(id -g) \
-    -w "/libzip/build" \
-    --env CFLAGS="-O3" \
-    emscripten/emsdk:$EMSDK_VERSION \
-    emcmake cmake -Wno-dev \
+  CFLAGS="-O3" emcmake cmake -Wno-dev \
     -DBUILD_SHARED_LIBS=OFF \
     -DENABLE_LOCALTIME=OFF \
     -DENABLE_COMMONCRYPTO=OFF \
@@ -87,19 +48,13 @@
     -DENABLE_MBEDTLS=OFF \
     -DENABLE_OPENSSL=OFF \
     -DENABLE_WINDOWS_CRYPTO=OFF \
-    -DZLIB_LIBRARY=/zlib/build/local/lib/libz.a \
-    -DZLIB_INCLUDE_DIR=/zlib/build/local/include \
+    -DZLIB_LIBRARY="$ZLIB_ROOT/build/local/lib/libz.a" \
+    -DZLIB_INCLUDE_DIR="$ZLIB_ROOT/build/local/include" \
+    -DCMAKE_CROSSCOMPILING_EMULATOR="/usr/bin/node" \
     ..
 
-  docker run --rm \
-    -v "$LIBZIP_ROOT:/libzip" \
-    -v "$ZLIB_ROOT:/zlib" \
-    -u $(id -u):$(id -g) \
-    -w "/libzip/build" \
-    emscripten/emsdk:$EMSDK_VERSION \
-    emmake make zip
+  emmake make zip
 
-  cd "$LIBZIP_ROOT/build"
   mkdir -p local/lib local/include
   cp lib/libzip.a local/lib/
   cp config.h zipconf.h ../lib/zip.h ../lib/compat.h ../lib/zipint.h local/include/
@@ -112,18 +67,11 @@
   shift
 
   # Options are documented at https://github.com/emscripten-core/emscripten/blob/86131037aa4f1c7bf6021081dd28fae12bdedba1/src/settings.js
-  docker run --rm \
-    -v "$THIS_DIR:/src" \
-    -v "$LIBZIP_ROOT:/libzip" \
-    -v "$ZLIB_ROOT:/zlib" \
-    -u $(id -u):$(id -g) \
-    -w "/src" \
-    emscripten/emsdk:$EMSDK_VERSION \
-    emcc \
+  emcc \
     -o ./$name.js \
     -s WASM=1 \
     -s EXPORTED_FUNCTIONS="$(cat ./exported.json)" \
-    -s EXPORTED_RUNTIME_METHODS='["cwrap", "getValue"]' \
+    -s EXPORTED_RUNTIME_METHODS='["cwrap", "getValue", "HEAPU8"]' \
     -s ALLOW_MEMORY_GROWTH=1 \
     -s SUPPORT_BIG_ENDIAN=1 \
     -s TEXTDECODER=2 \
@@ -136,12 +84,12 @@
     -s NODEJS_CATCH_EXIT=0 \
     -s NODEJS_CATCH_REJECTION=0 \
     "$@" \
-    -I/libzip/build/local/include \
-    -I/zlib/build/local/include \
+    -I"$LIBZIP_ROOT/build/local/include" \
+    -I"$ZLIB_ROOT/build/local/include" \
     -O3 \
     ./lib/*.c \
-    /libzip/build/local/lib/libzip.a \
-    /zlib/build/local/lib/libz.a
+    "$LIBZIP_ROOT/build/local/lib/libzip.a" \
+    "$ZLIB_ROOT/build/local/lib/libz.a"
 
   cat >../sources/"$name".js \
     <(echo "var frozenFs = Object.assign({}, require('fs'));") \
@@ -151,8 +99,9 @@
   echo "Built wasm ($name)"
 }
 
+cd "$THIS_DIR"
 build libzipSync -s WASM_ASYNC_COMPILATION=0 &
 build libzipAsync -s WASM_ASYNC_COMPILATION=1 &
 wait
-
-yarn prettier --write ../sources/*.js
+unlink ./zlib-ng-"$ZLIB_VERSION"
+unlink ./libzip-"$LIBZIP_VERSION"