diff --git a/scripts/build_artifacts.sh b/scripts/build_artifacts.sh
index 9ec4d5c..de1addc 100755
--- a/scripts/build_artifacts.sh
+++ b/scripts/build_artifacts.sh
@@ -1,47 +1,76 @@
 #!/usr/bin/env bash
 set -eo pipefail
 
-if [ ! -d "$root/linux" ] ; then
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+ROOT=$(realpath ${DIR}/../.vendor)
+
+echo "Vendor build root: $ROOT"
+
+if [ ! -d "$ROOT/linux" ] ; then
     echo "Please first call scripts/fetch_third_party.sh"
+    exit 1
 fi
 
-root=$(git rev-parse --show-toplevel)/third_party
-
-# nasm + Python 3.7 + iasl
-if [ ! -d "$root/edk2" ] ; then
-    git clone --recurse-submodules https://github.com/tianocore/edk2 $root/edk2
+if [ ! -d "$ROOT/edk2" ] ; then
+    git clone --single-branch --branch edk2-stable201908 --depth=1 --recurse-submodules https://github.com/tianocore/edk2 $ROOT/edk2
 fi
-cd $root/edk2
-git checkout --recurse-submodules edk2-stable201908
-. edksetup.sh
-make -C $root/edk2/BaseTools/Source/C
-build -DTPM2_ENABLE -DSECURE_BOOT_ENABLE -t GCC5 -a X64 -b RELEASE -p $PWD/OvmfPkg/OvmfPkgX64.dsc
 
-musl_prefix=$root/musl-prefix
+(
+  cd $ROOT/edk2
+  . edksetup.sh
+  make -C BaseTools/Source/C
+  build -DTPM2_ENABLE -DSECURE_BOOT_ENABLE -t GCC5 -a X64 -b RELEASE -p $PWD/OvmfPkg/OvmfPkgX64.dsc
 
-cd $root/linux
-make headers_install ARCH=x86_64 INSTALL_HDR_PATH=$musl_prefix
+  cp Build/OvmfX64/RELEASE_GCC5/FV/{OVMF_CODE.fd,OVMF_VARS.fd} $ROOT/../.artifacts
+)
 
-mkdir -p $root/musl
-curl -L https://www.musl-libc.org/releases/musl-1.1.23.tar.gz | tar -xzf - -C $root/musl --strip-components 1
-cd $root/musl
+musl_prefix=$ROOT/musl-prefix
 
-./configure --prefix=$musl_prefix --syslibdir=$musl_prefix/lib
-make -j8
-make install
+(
+  cd $ROOT/linux
+  make headers_install ARCH=x86_64 INSTALL_HDR_PATH=$musl_prefix
+)
 
-mkdir -p $root/util-linux
-curl -L https://git.kernel.org/pub/scm/utils/util-linux/util-linux.git/snapshot/util-linux-2.34.tar.gz | tar -xzf - -C $root/util-linux --strip-components 1
-cd $root/util-linux
-./autogen.sh
-./configure CC=$musl_prefix/bin/musl-gcc --without-systemd --without-udev --without-btrfs --disable-pylibmount --without-tinfo --prefix=$musl_prefix --disable-makeinstall-chown --disable-makeinstall-setuid --with-bashcompletiondir=$musl_prefix/usr/share/bash-completion
-make -j8
-make install
+mkdir -p $ROOT/musl
+curl -L https://www.musl-libc.org/releases/musl-1.1.23.tar.gz | tar -xzf - -C $ROOT/musl --strip-components 1
 
-mkdir -p $root/xfsprogs-dev
-curl -L https://git.kernel.org/pub/scm/fs/xfs/xfsprogs-dev.git/snapshot/xfsprogs-dev-5.2.1.tar.gz | tar -xzf - -C $root/xfsprogs-dev --strip-components 1
-cd $root/xfsprogs-dev
-patch -p1 < ../../patches/xfsprogs-dev/*.patch
-./configure CC=$musl_prefix/bin/musl-gcc "CFLAGS=-static -I$musl_prefix/include -L$musl_prefix/lib" "LDFLAGS=-L$musl_prefix/lib"
-make -j8 mkfs
-cp $root/xfsprogs-dev/mkfs/mkfs.xfs
\ No newline at end of file
+(
+  cd $ROOT/musl
+
+  ./configure --prefix=$musl_prefix --syslibdir=$musl_prefix/lib
+  make -j8
+  make install
+)
+
+mkdir -p $ROOT/util-linux
+curl -L https://git.kernel.org/pub/scm/utils/util-linux/util-linux.git/snapshot/util-linux-2.34.tar.gz | tar -xzf - -C $ROOT/util-linux --strip-components 1
+
+(
+  cd $ROOT/util-linux
+  ./autogen.sh
+  ./configure \
+    CC=$musl_prefix/bin/musl-gcc \
+    --without-systemd \
+    --without-udev \
+    --without-btrfs \
+    --disable-pylibmount \
+    --without-tinfo \
+    --prefix=$musl_prefix \
+    --disable-makeinstall-chown \
+    --disable-makeinstall-setuid \
+    --with-bashcompletiondir=$musl_prefix/usr/share/bash-completion
+  make -j8
+  make install
+)
+
+mkdir -p $ROOT/xfsprogs-dev
+curl -L https://git.kernel.org/pub/scm/fs/xfs/xfsprogs-dev.git/snapshot/xfsprogs-dev-5.2.1.tar.gz | tar -xzf - -C $ROOT/xfsprogs-dev --strip-components 1
+
+(
+  cd $ROOT/xfsprogs-dev
+  patch -p1 < ../../patches/xfsprogs-dev/*.patch
+  make configure
+  ./configure CC=$musl_prefix/bin/musl-gcc "CFLAGS=-static -I$musl_prefix/include -L$musl_prefix/lib" "LDFLAGS=-L$musl_prefix/lib"
+  make -j8 mkfs
+  cp $ROOT/xfsprogs-dev/mkfs/mkfs.xfs $ROOT/../.artifacts
+)