github.com/ByteTerrace/packer@v1.3.2/packer/test-fixtures/build-env.json (about)

     1  {
     2      "variables": {
     3          "var": "{{env `PACKER_TEST_ENV`}}"
     4      },
     5  
     6      "builders": [{
     7          "type": "test",
     8          "value": "{{user `var`}}"
     9      }]
    10  }