fix: improve envs

Signed-off-by: Carlos A Becker <[email protected]>

Author: caarlos0

.github/workflows/nightly.yml

@@ -18,25 +18,16 @@ jobs:
     runs-on: ${{ matrix.os }}
     env:
       DOCKER_CLI_EXPERIMENTAL: "enabled"
+      flags: ""
     steps:
-      - shell: bash
-        run: |
-          if test '${{ github.event_name }}' = "workflow_dispatch"; then
-            echo "flags=--nightly" >> $GITHUB_ENV
-          else
-            echo "flags=" >> $GITHUB_ENV
-          fi
-          case '${{ matrix.os }}' in
-          ubuntu-latest)
-            echo "goos=linux" >> $GITHUB_ENV
-            ;;
-          macos-latest)
-            echo "goos=darwin" >> $GITHUB_ENV
-            ;;
-          windows-latest)
-            echo "goos=windows" >> $GITHUB_ENV
-            ;;
-          esac
+      - if: ${{ github.event_name == 'workflow_dispatch' }}
+        run: echo "flags=--nightly" >> $GITHUB_ENV
+      - if: matrix.os == 'ubuntu-latest'
+        run: echo "goos=linux" >> $GITHUB_ENV
+      - if: matrix.os == 'macos-latest'
+        run: echo "goos=darwin" >> $GITHUB_ENV
+      - if: matrix.os == 'windows-latest'
+        run: echo "goos=windows" >> $GITHUB_ENV
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0