GitHub Actions: vagrant box using cache

Reference: https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows

Thanks to `Masatake YAMATO` comment in #3491 (comment)

Signed-off-by: leleliu008 <[email protected]>

Author: leleliu008

.github/workflows/testing-bsds.yml renamed to .github/workflows/testing-bsds.yml.bak

@@ -18,6 +18,13 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
+    - uses: actions/cache@v2
+      with:
+        path: ~/.vagrant.d/boxes
+        key: vagrant-generic-freebsd-${{ matrix.freebsd-version }}
+        restore-keys: |
+          vagrant-generic-freebsd-${{ matrix.freebsd-version }}
+
     # https://app.vagrantup.com/boxes/search?utf8=%E2%9C%93&sort=downloads&provider=&q=freebsd
     # https://github.com/leleliu008/github-actions-vagrant
     - uses: leleliu008/github-actions-vagrant@v2
@@ -45,6 +52,13 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
+    - uses: actions/cache@v2
+      with:
+        path: ~/.vagrant.d/boxes
+        key: vagrant-generic-openbsd-7
+        restore-keys: |
+          vagrant-generic-openbsd-7
+
     - uses: leleliu008/github-actions-vagrant@v2
       with:
         mem: 2048
@@ -81,6 +95,13 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
+    - uses: actions/cache@v2
+      with:
+        path: ~/.vagrant.d/boxes
+        key: vagrant-generic-netbsd-9
+        restore-keys: |
+          vagrant-generic-netbsd-9
+
     - uses: leleliu008/github-actions-vagrant@v2
       with:
         mem: 2048

.github/workflows/testing-freebsd.yml.bak renamed to .github/workflows/testing-freebsd.yml

@@ -18,6 +18,13 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
+    - uses: actions/cache@v2
+      with:
+        path: ~/.vagrant.d/boxes
+        key: vagrant-generic-freebsd-${{ matrix.freebsd-version }}
+        restore-keys: |
+          vagrant-generic-freebsd-${{ matrix.freebsd-version }}
+
     # https://app.vagrantup.com/boxes/search?utf8=%E2%9C%93&sort=downloads&provider=&q=freebsd
     # https://github.com/leleliu008/github-actions-vagrant
     - uses: leleliu008/github-actions-vagrant@v2

.github/workflows/testing-netbsd.yml.bak renamed to .github/workflows/testing-netbsd.yml

@@ -13,6 +13,13 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
+    - uses: actions/cache@v2
+      with:
+        path: ~/.vagrant.d/boxes
+        key: vagrant-generic-netbsd-9
+        restore-keys: |
+          vagrant-generic-netbsd-9
+
     - uses: leleliu008/github-actions-vagrant@v2
       with:
         mem: 2048

.github/workflows/testing-openbsd.yml.bak renamed to .github/workflows/testing-openbsd.yml

@@ -13,10 +13,17 @@ jobs:
     steps:
     - uses: actions/checkout@v2
 
+    - uses: actions/cache@v2
+      with:
+        path: ~/.vagrant.d/boxes
+        key: vagrant-generic-openbsd-7
+        restore-keys: |
+          vagrant-generic-openbsd-7
+
     - uses: leleliu008/github-actions-vagrant@v2
       with:
         mem: 2048
-        box: generic/openbsd6
+        box: generic/openbsd7
         log: warn
         run: |
           export AUTOCONF_VERSION=2.69