fix: environment handling windows (host mode) (#1732)

* fix: environment handling windows (host mode)

* fixup

* fixup

* add more tests

* fixup

* fix setenv

* fixes

* [skip ci] Apply suggestions from code review

Co-authored-by: Jason Song <i@wolfogre.com>

* Update side effects

---------

Co-authored-by: Jason Song <i@wolfogre.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

pkg/container/executions_environment.go

@@ -10,4 +10,6 @@ type ExecutionsEnvironment interface {
 	DefaultPathVariable() string
 	JoinPathVariable(...string) string
 	GetRunnerContext(ctx context.Context) map[string]interface{}
+	// On windows PATH and Path are the same key
+	IsEnvironmentCaseInsensitive() bool
 }

pkg/container/host_environment.go

@@ -419,3 +419,7 @@ func (e *HostEnvironment) ReplaceLogWriter(stdout io.Writer, stderr io.Writer) (
 	e.StdOut = stdout
 	return org, org
 }
+
+func (*HostEnvironment) IsEnvironmentCaseInsensitive() bool {
+	return runtime.GOOS == "windows"
+}

pkg/container/linux_container_environment_extensions.go

@@ -71,3 +71,7 @@ func (*LinuxContainerEnvironmentExtensions) GetRunnerContext(ctx context.Context
 		"tool_cache": "/opt/hostedtoolcache",
 	}
 }
+
+func (*LinuxContainerEnvironmentExtensions) IsEnvironmentCaseInsensitive() bool {
+	return false
+}