Add keytar build scripts

scripts/build-keytar-darwin.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+PLATFORM="darwin"
+ARCH="x64"
+
+NODE_API_VERSION="53"
+ELECTRON_VERSION="1.6.15"
+
+scripts/build-keytar.sh $PLATFORM $ARCH $NODE_API_VERSION $ELECTRON_VERSION
+
+NODE_API_VERSION="64"
+ELECTRON_VERSION="4.0.0-beta.7"
+
+scripts/build-keytar.sh $PLATFORM $ARCH $NODE_API_VERSION $ELECTRON_VERSION

scripts/build-keytar-linux.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+PLATFORM="linux"
+ARCH="x64"
+
+NODE_API_VERSION="53"
+ELECTRON_VERSION="1.6.15"
+
+scripts/build-keytar.sh $PLATFORM $ARCH $NODE_API_VERSION $ELECTRON_VERSION
+
+NODE_API_VERSION="64"
+ELECTRON_VERSION="4.0.0-beta.7"
+
+scripts/build-keytar.sh $PLATFORM $ARCH $NODE_API_VERSION $ELECTRON_VERSION

scripts/build-keytar.sh

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+#!/bin/sh
+
+PLATFORM="$1"
+ARCH="$2"
+NODE_API_VERSION="$3"
+ELECTRON_VERSION="$4"
+ELECTRON_URL="https://atom.io/download/electron"
+
+DIRECTORY="release-tmp/keytar.node/keytar-4.3.0"
+FILENAME="$PLATFORM-$ARCH-$NODE_API_VERSION.node"
+
+if [ `node -p 'process.platform'` != "$PLATFORM" ]; then
+    echo "You must be running on $PLATFORM to build keytar for it."
+    exit 1
+fi
+
+cd node_modules/keytar
+
+mv build/Release release-tmp
+
+if [ -f release-tmp/keytar.node ]; then
+    rm release-tmp/keytar.node
+fi
+
+if [ -f $DIRECTORY/$FILENAME ]; then
+    echo "A binding already exists at $DIRECTORY/$FILENAME - deleting it"
+    rm $DIRECTORY/$FILENAME
+fi
+
+# Build the keytar binding
+# This will be placed at build/Release/keytar.node
+echo "Building keytar for $PLATFORM-$ARCH with Node.js API version $NODE_API_VERSION for Electron $ELECTRON_VERSION"
+../.bin/node-gyp rebuild --target=$ELECTRON_VERSION --arch $ARCH --dist-url=$ELECTRON_URL
+
+# Move it to the right place
+echo "Moving keytar.node to $DIRECTORY"
+mkdir -p $DIRECTORY
+mv build/Release/keytar.node $DIRECTORY/$FILENAME
+rm -rf build/Release
+
+mv release-tmp build/Release