[direnv] Fix version path, run example tests on PRs (#832)

## Summary

This fixed a bad path (was missing root dir) when writing
`.devbox/version` file.

I also changed out cli-tests so that it runs example tests in PRs (but
we should not require them)

## How was it tested?

Untested

Author: mikeland73

.github/workflows/cli-tests.yaml

@@ -77,11 +77,18 @@ jobs:
   test:
     strategy:
       matrix:
+        is-main:
+          - ${{ github.ref == 'refs/heads/main' }}
         os: [ubuntu-latest, macos-latest]
+        # This is an optimization that runs tests twice, with and without
+        # the examples. We can require non-example tests to complete before
+        # merging, while keeping the others as an additional non-required signal
+        run-example-tests: [true, false]
         exclude:
-          # This expression basically says run mac tests if on main branch or
-          # if this job is triggered by another workflow with "with: run-mac-tests: true"
-          - os: ${{ (github.ref == 'refs/heads/main' || inputs.run-mac-tests) && 'dummy' || 'macos-latest' }}
+          - is-main: false
+            os: macos-latest
+          - is-main: true
+            run-example-tests: false
     runs-on: ${{ matrix.os }}
     timeout-minutes: ${{ (github.ref == 'refs/heads/main' || inputs.run-mac-tests) && 20 || 10 }}
     steps:
@@ -108,7 +115,7 @@ jobs:
           nix-build-user-count: 4
       - name: Run tests
         env:
-          DEVBOX_EXAMPLE_TESTS: "${{ (github.ref == 'refs/heads/main' || inputs.run-example-tests) && 1 || 0 }}"
+          DEVBOX_EXAMPLE_TESTS: ${{ matrix.run-example-tests }}
         run: |
           go test ./...
 

internal/impl/generate.go

@@ -61,7 +61,11 @@ func generateForShell(rootPath string, plan *plansdk.ShellPlan, pluginManager *p
 		}
 	}
 
-	return os.WriteFile(".devbox/version", []byte(build.Version), 0644)
+	return os.WriteFile(
+		filepath.Join(rootPath, ".devbox/version"),
+		[]byte(build.Version),
+		0644,
+	)
 }
 
 // Cache and buffers for generating templated files.