Refactor installer to a single curl step

Change-type: patch
Signed-off-by: Kyle Harding <[email protected]>

action.yml

@@ -24,58 +24,59 @@ runs:
       id: latest
       shell: bash
       working-directory: ${{ runner.temp }}
+      env:
+        REPO: balena-io/balena-cli
       run: |
-        release="$(curl -s https://api.github.com/repos/balena-io/balena-cli/releases/latest | jq -r '.tag_name')"
+        release="$(curl -s "https://api.github.com/repos/${REPO}/releases/latest" | jq -r '.tag_name')"
         echo "release=${release}" >> "${GITHUB_OUTPUT}"
 
-    - name: Restore balena CLI cache
+    - name: Restore tool cache
       if: inputs.skip-cache != 'true'
       id: cache
       uses: actions/cache@v4
       with:
         path: ${{ runner.tool_cache }}/balena-cli
         key: balena-cli-${{ runner.os }}-${{ runner.arch }}-${{ steps.latest.outputs.release || inputs.cli-version }}
 
-    - name: Download balena CLI (Linux X64)
-      if: runner.os == 'Linux' && ! steps.cache.outputs.cache-hit
+    - name: Get runner os
+      if: steps.cache.outputs.cache-hit != true
+      id: os
+      shell: bash
       working-directory: ${{ runner.temp }}
-      shell: bash --noprofile --norc -eo pipefail -x {0}
-      env:
-        REPO: https://github.com/balena-io/balena-cli
-        VERSION: ${{ steps.latest.outputs.release || inputs.cli-version }}
-        ARCH: ${{ runner.arch }}
-        OS: linux
       run: |
-        curl -fsSL "${REPO}/releases/download/${VERSION}/balena-cli-${VERSION}-${OS}-${ARCH,,}-standalone.zip" -o balena-cli.zip
-        unzip balena-cli.zip -d .
+        case "${{ runner.os }}" in
+          Linux) echo "target=linux" >> "${GITHUB_OUTPUT}" ;;
+          macOS) echo "target=macOS" >> "${GITHUB_OUTPUT}" ;;
+          Windows) echo "target=windows" >> "${GITHUB_OUTPUT}" ;;
+          *) echo "::error::Unsupported os: ${{ runner.os }}" ; exit 1 ;;
+        esac
 
-    - name: Download balena CLI (Windows X64)
-      if: runner.os == 'Windows' && ! steps.cache.outputs.cache-hit
+    - name: Get runner arch
+      if: steps.cache.outputs.cache-hit != true
+      id: arch
+      shell: bash
       working-directory: ${{ runner.temp }}
-      shell: bash --noprofile --norc -eo pipefail -x {0}
-      env:
-        REPO: https://github.com/balena-io/balena-cli
-        VERSION: ${{ steps.latest.outputs.release || inputs.cli-version }}
-        ARCH: ${{ runner.arch }}
-        OS: windows
       run: |
-        curl -fsSL "${REPO}/releases/download/${VERSION}/balena-cli-${VERSION}-${OS}-${ARCH,,}-standalone.zip" -o balena-cli.zip
-        unzip balena-cli.zip -d .
+        case "${{ runner.arch }}" in
+          X64) echo "target=x64" >> "${GITHUB_OUTPUT}" ;;
+          ARM64) echo "target=arm64" >> "${GITHUB_OUTPUT}" ;;
+          *) echo "::error::Unsupported arch: ${{ runner.arch }}" ; exit 1 ;;
+        esac
 
-    - name: Download balena CLI (macOS)
-      if: runner.os == 'macOS' && ! steps.cache.outputs.cache-hit
+    - name: Download balena CLI
+      if: steps.cache.outputs.cache-hit != true
       working-directory: ${{ runner.temp }}
       shell: bash --noprofile --norc -eo pipefail -x {0}
       env:
-        REPO: https://github.com/balena-io/balena-cli
+        REPO: balena-io/balena-cli
         VERSION: ${{ steps.latest.outputs.release || inputs.cli-version }}
-        ARCH: ${{ runner.arch }}
-        OS: macOS
+        OS: ${{ steps.os.outputs.target }}
+        ARCH: ${{ steps.arch.outputs.target }}
       run: |
-        curl -fsSL "${REPO}/releases/download/${VERSION}/balena-cli-${VERSION}-${OS}-${ARCH,,}-standalone.zip" -o balena-cli.zip
+        curl -fsSL "http://github.com/${REPO}/releases/download/${VERSION}/balena-cli-${VERSION}-${OS}-${ARCH}-standalone.zip" -o balena-cli.zip
         unzip balena-cli.zip -d .
 
-    - name: Install balena CLI to tool cache
+    - name: Update tool cache
       uses: AnimMouse/tool-cache@v1
       with:
         folder_name: balena-cli