Make dep install script work

scripts/fetch-develop.deps.sh

@@ -8,9 +8,6 @@
 
 curbranch=`git rev-parse --abbrev-ref HEAD`
 
-mkdir -p node_modules
-cd node_modules
-
 function dodep() {
     org=$1
     repo=$2
@@ -18,10 +15,32 @@ function dodep() {
     git clone https://github.com/$org/$repo.git $repo
     pushd $repo
     git checkout $curbranch || git checkout develop
-    npm install
     echo "$repo set to branch "`git rev-parse --abbrev-ref HEAD`
     popd
 }
 
 dodep matrix-org matrix-js-sdk
 dodep matrix-org matrix-react-sdk
+
+mkdir -p node_modules
+cd node_modules
+
+ln -s ../matrix-js-sdk ./
+pushd matrix-js-sdk
+npm install
+popd
+
+ln -s ../matrix-react-sdk ./
+pushd matrix-react-sdk
+mkdir -p node_modules
+cd node_modules
+ln -s ../../matrix-js-sdk matrix-js-sdk
+cd ..
+npm install
+popd
+# Link the reskindex binary in place: if we used npm link,
+# npm would do this for us, but we don't because we'd have
+# to define the npm prefix somewhere so it could put the
+# intermediate symlinks there. Instead, we do it ourselves.
+mkdir -p .bin
+ln -s ../matrix-react-sdk/scripts/reskindex.js .bin/reskindex