fix windows build and test it

.github/workflows/test.yaml

@@ -11,13 +11,16 @@ on:
 jobs:
   test:
     name: Basic Test
+    defaults:
+      run:
+        shell: bash
     strategy:
       fail-fast: false
       matrix:
         os:
           - ubuntu-latest
           - macos-latest
-          # - windows-latest TODO(jason): Enable when we install in the correct location.
+          - windows-latest
     runs-on: ${{ matrix.os }}
 
     steps:

README.md

@@ -1,5 +1,7 @@
 # Setup `chainctl`
 
+[![Test](https://github.com/chainguard-dev/setup-chainctl/actions/workflows/test.yaml/badge.svg)](https://github.com/chainguard-dev/setup-chainctl/actions/workflows/test.yaml)
+
 This action installs the latest `chainctl` binary for a particular environment
 and authenticates with it using identity tokens.
 
@@ -25,3 +27,9 @@ steps:
 ```
 
 See [Authenticating to Chainguard Registry](https://edu.chainguard.dev/chainguard/chainguard-images/registry/authenticating/#authenticating-with-github-actions) for more information about creating an identity to pull images from cgr.dev from GitHub Actions, using `setup-chainctl`.
+
+# Runner Support
+
+The action is tested to work on Linux, MacOS and Windows runners.
+
+Note: If you use it on Windows, you must use `shell: bash`.

action.yaml

@@ -72,14 +72,16 @@ runs:
         fi
 
         url="https://dl.${{ inputs.environment }}/chainctl/latest/chainctl_${os}_${arch}"
+        out="chainctl"
         if [[ "${os}" == "windows" ]]; then
           url="${url}.exe"
+          out="${out}.exe"
         fi
         echo "Downloading chainctl from ${url}"
 
-        curl -o ./chainctl -fsL "${url}"
-        chmod +x ./chainctl
-        mv ./chainctl /usr/local/bin
+        curl -o ./${out} -fsL "${url}"
+        chmod +x ./${out}
+        echo "$(pwd)" >> $GITHUB_PATH
 
     - name: Authenticate with Chainguard (assumed identity)
       shell: bash