just create one step and make sure it works as expected

Author: IndrajeetPatil

.github/workflows/check-full.yaml

@@ -27,7 +27,7 @@ jobs:
 
           - { os: ubuntu-latest, r: "devel", http-user-agent: "release" }
           - { os: ubuntu-latest, r: "devel", locale: "en_US" }
-          #- { os: ubuntu-latest, r: "release", locale: "zh_CN" }
+          - { os: ubuntu-latest, r: "release", locale: "zh_CN" }
           - { os: ubuntu-latest, r: "oldrel-1" }
           - { os: ubuntu-latest, r: "oldrel-2" }
           - { os: ubuntu-latest, r: "oldrel-3" }
@@ -39,16 +39,9 @@ jobs:
 
     steps:
       - name: Set locale
-        if: matrix.config.locale == 'en_US'
-        run: |
-          sudo locale-gen en_US
-          echo "LC_ALL=en_US" >> $GITHUB_ENV
-
-      - name: Set locale
-        if: matrix.config.locale == 'zh_CN'
-        run: |
-          sudo locale-gen zh_CN
-          echo "LC_ALL=zh_CN" >> $GITHUB_ENV
+        env:
+          OVERRIDE_LOCALE: "${{ matrix.config.locale }}"
+        run: echo $OVERRIDE_LOCALE >> $GITHUB_ENV
 
       - uses: actions/checkout@v4
 

.gitignore

@@ -16,3 +16,4 @@ revdep/
 touchstone/*
 !touchstone/config.json
 !touchstone/script.R
+.vscode