https://git.ruby-lang.org/ruby.git/commit/?id=a7ec88ad61

From a7ec88ad61eba8cda3f99805e6077cb515c0ad08 Mon Sep 17 00:00:00 2001
From: Kazuhiro NISHIYAMA <zn@m...>
Date: Fri, 25 Oct 2019 10:45:46 +0900
Subject: Add `shell: cmd`

Use cmd instead of new default shell for `call`.
https://github.blog/changelog/2019-10-17-github-actions-default-shell-on-windows-runners-is-changing-to-powershell/

https://github.com/ruby/ruby/commit/7bcc639c720b59eb2199601963bcfa720168185b/checks#step:6:5
```
call : The term 'call' is not recognized as the name of a cmdlet, function, script file, or operable program.
```

diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 754afa6..bb1c290 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -43,16 +43,19 @@ jobs: https://github.com/ruby/ruby/blob/trunk/.github/workflows/windows.yml#L43
         run: |
           call "C:\Program Files (x86)\Microsoft Visual Studio\${{ matrix.vs }}\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
           win32/configure.bat --disable-install-doc --without-ext=+,dbm,gdbm --enable-bundled-libffi --with-opt-dir=C:/vcpkg/installed/x64-windows
+        shell: cmd
       - name: nmake
         run: |
           call "C:\Program Files (x86)\Microsoft Visual Studio\${{ matrix.vs }}\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
           set YACC=win_bison
           nmake up
           nmake
+        shell: cmd
       - name: nmake test
         run: |
           call "C:\Program Files (x86)\Microsoft Visual Studio\${{ matrix.vs }}\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
           nmake ${{ matrix.test_task }}
+        shell: cmd
       - uses: k0kubun/action-slack@v...
         with:
           payload: |
-- 
cgit v0.10.2


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