spruce up build.sh

build.sh

@@ -3,34 +3,41 @@
 set -o xtrace
 set -eu
 
-cd electron
-npm install
+ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
-cd ../lbry
-git fetch
-git reset --hard origin/master
-git cherry-pick bd75e88ebebb67897c62a1ee1d3228fd269677dc
-pip install -r requirements.txt
-pip install .
-git reset --hard origin/master
+(
+  cd "$ROOT/electron"
+  npm install
+)
 
-cd ../lbrynet
-pyinstaller lbry.py -y --windowed --onefile --icon=../lbry/packaging/osx/lbry-osx-app/app.icns
+(
+  cd "$ROOT/lbry"
+  git fetch
+  git reset --hard origin/master
+  git cherry-pick bd75e88ebebb67897c62a1ee1d3228fd269677dc
+  pip install -r requirements.txt
+  pip install .
+  git reset --hard origin/master
+)
 
-cd ../lbry-web-ui
-git fetch
-git reset --hard origin/master
-# git reset --hard origin/development
-git cherry-pick 06224b1d2cf4bf1f63d95031502260dd9c3ec5c1
-npm install
-node_modules/.bin/node-sass --output dist/css --sourcemap=none scss/
-node_modules/.bin/webpack
-git reset --hard origin/master
-# git reset --hard origin/development
+(
+  cd "$ROOT/lbrynet"
+  pyinstaller lbry.py -y --windowed --onefile --icon="$ROOT/lbry/packaging/osx/lbry-osx-app/app.icns"
+)
 
-cd ..
-cp -R lbry-web-ui/dist electron/
+(
+  cd "$ROOT/lbry-web-ui"
+  git fetch
+  git reset --hard origin/master
+  git cherry-pick 06224b1d2cf4bf1f63d95031502260dd9c3ec5c1
+  npm install
+  node_modules/.bin/node-sass --output dist/css --sourcemap=none scss/
+  node_modules/.bin/webpack
+  git reset --hard origin/master
+)
 
-mv lbrynet/dist/lbry electron/dist
+cp --recursive "$ROOT/lbry-web-ui/dist" "$ROOT/electron/"
+
+mv "$ROOT/lbrynet/dist/lbry" "$ROOT/electron/dist"
 
 echo 'Build complete. Run `electron electron` to launch the app'