diff --git a/cibuild.sh b/cibuild.sh
index 1cef5c4d..8ba7165a 100755
--- a/cibuild.sh
+++ b/cibuild.sh
@@ -182,29 +182,42 @@ fi
 # TODO: check if some versionned *.sql files can be omitted
 # TODO: for bigger extensions than pgvector make separate packaging.
 
-# include current pglite source for easy local rebuild with just npm run build:js.
-
 if echo "$*"|grep "node"
 then
     echo "================================================="
-    mkdir -p /tmp/sdk/packages/
-    cp -r packages/pglite /tmp/sdk/packages/
-    cp -vf /tmp/web/repl/postgres.{js,data,wasm} $PGLITE/release/
-    cp -vf /tmp/web/repl/libecpg.so $PGLITE/release/postgres.so
+    mkdir -p /tmp/sdk/
 
     # remove versionned symlinks
     rm ${PGROOT}/lib/lib*.so.? 2>/dev/null
     if $CI
     then
-        tar -cpRz ${PGROOT} > /tmp/sdk/pg.tar.gz
+        tar -cpR ${PGROOT} > /tmp/sdk/pg.tar
     fi
 fi
 
 # run linkweb after node build because it will remove some wasm .so used by node from fs
 # they don't need to be in MEMFS as they are fetched.
+
+
+# include current pglite source for easy local rebuild with just npm run build:js.
+
+
 if echo "$*"|grep "linkweb"
 then
     echo "================================================="
+    if [ -d pglite ]
+    then
+        # work tree
+        pushd pglite/packages/pglite
+        PGLITE=$(pwd)
+    else
+        # release tree
+        pushd packages/pglite
+        PGLITE=$(pwd)
+    fi
+    popd
+
+    export PGLITE
 
     # build web version
     pushd build/postgres
@@ -218,8 +231,21 @@ then
         cp -r $WEBROOT/* /tmp/web/
     fi
     popd
+
+    # copy neeeded files for a minimal js/ts/extension build
+    # these don't use NODE FS !!!
+
+    mkdir -p ${PGROOT}/sdk/packages/
+    cp -r $PGLITE ${PGROOT}/sdk/packages/
+
+    if $CI
+    then
+        tar -cpR ${PGROOT} > /tmp/sdk/pg.tar
+    fi
+
 fi
 
+[ -f /tmp/sdk/pg.tar ] && gzip -9 /tmp/sdk/pg.tar
 
 # pglite also use web build files, so make it last.
 
diff --git a/cibuild/linkweb.sh b/cibuild/linkweb.sh
index 47824fb0..c37f9cc9 100755
--- a/cibuild/linkweb.sh
+++ b/cibuild/linkweb.sh
@@ -139,8 +139,8 @@ mkdir -p ${WEBROOT}/repl
 </html>" > index.html
 
 mv index.html ${WEBROOT}/
-mv -v postgres.* ${WEBROOT}/repl/
-mv ${PGROOT}/lib/libecpg.so ${WEBROOT}/repl/
+cp -v postgres.* ${WEBROOT}/repl/
+cp ${PGROOT}/lib/libecpg.so ${WEBROOT}/repl/
 
 
 cp $GITHUB_WORKSPACE/tests/vtx.js ${WEBROOT}/repl/
diff --git a/cibuild/pglite-ts.sh b/cibuild/pglite-ts.sh
index 6b7d056c..efc4c1d7 100644
--- a/cibuild/pglite-ts.sh
+++ b/cibuild/pglite-ts.sh
@@ -49,16 +49,17 @@ END
     if $CI
     then
         npm run build:js
-        npm pack
-        mv electric-sql-pglite-*.tgz /tmp/sdk/
-        mkdir -p ${WEBROOT}/node_modules/@electric-sql/pglite
-        echo "------------------------------"
-        #find ${PGLITE}/dist/
-        echo "------------------------------"
-        cp -r ${PGLITE}/{../../LICENSE,package.json,README.md} ${PGLITE}/dist ${WEBROOT}/node_modules/@electric-sql/pglite/
-        pushd ${WEBROOT}
-        zip /tmp/sdk/pglite.zip -q -r node_modules
-        popd
+        if $CI
+        then
+            npm pack
+            mv electric-sql-pglite-*.tgz /tmp/sdk/
+        else
+            mkdir -p ${WEBROOT}/node_modules/@electric-sql/pglite
+            cp -r ${PGLITE}/{../../LICENSE,package.json,README.md} ${PGLITE}/dist ${WEBROOT}/node_modules/@electric-sql/pglite/
+            pushd ${WEBROOT}
+            zip /tmp/sdk/pglite.zip -q -r node_modules
+            popd
+        fi
     fi
 
     popd