Fix Hackage uploads

.travis.yml

@@ -52,5 +52,11 @@ script:
   - stack sdist
 
 after_success:
-  - stack exec runghc tools/upload-package.hs
   - stack exec runghc tools/attach-binary.hs
+
+deploy:
+  provider: script
+  on:
+    tags: true
+  skip_cleanup: true
+  script: yes | stack upload .

tools/install-stack.ps1

@@ -1,8 +1,8 @@
-# if (Test-Path c:/bin/stack.exe) {} else {
+if (Test-Path c:/bin/stack.exe) {} else {
   curl -OutFile stack.zip -Uri https://github.com/commercialhaskell/stack/releases/download/v2.3.0.1/stack-2.3.0.1-windows-x86_64.zip
   7z x stack.zip stack.exe
   mkdir c:/bin
   mv stack.exe c:/bin
-# }
+}
 
 stack --version

tools/install-stack.sh

@@ -1,15 +1,15 @@
 #!/usr/bin/env sh
 set -o errexit -o xtrace
 
-# if test ! -f "$HOME/.local/bin/stack"
-# then
+if test ! -f "$HOME/.local/bin/stack"
+then
   URL="https://github.com/commercialhaskell/stack/releases/download/v2.3.0.1/stack-2.3.0.1-$TRAVIS_OS_NAME-x86_64.tar.gz"
   curl --location "$URL" --output stack.tar.gz
   gunzip stack.tar.gz
   tar -x -f stack.tar --strip-components 1
   mkdir -p "$HOME/.local/bin"
   mv stack "$HOME/.local/bin/"
   rm stack.tar
-# fi
+fi
 
 stack --version