hst: rename net and abstract fields

This makes more sense and matches the container library.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/app/app_nixos_linux_test.go

@@ -27,7 +27,7 @@ var testCasesNixos = []sealTestCase{
 			Shell:       m("/run/current-system/sw/bin/zsh"),
 
 			Container: &hst.ContainerConfig{
-				Userns: true, Net: true, MapRealUID: true, Env: nil, AutoEtc: true,
+				Userns: true, HostNet: true, MapRealUID: true, Env: nil, AutoEtc: true,
 				Filesystem: []hst.FilesystemConfigJSON{
 					f(&hst.FSBind{Source: m("/bin")}),
 					f(&hst.FSBind{Source: m("/usr/bin/")}),

internal/app/container_linux.go

@@ -32,8 +32,8 @@ func newContainer(s *hst.ContainerConfig, os sys.State, prefix string, uid, gid
 		SeccompFlags:   s.SeccompFlags,
 		SeccompPresets: s.SeccompPresets,
 		RetainSession:  s.Tty,
-		HostNet:        s.Net,
-		HostAbstract:   s.Abstract,
+		HostNet:        s.HostNet,
+		HostAbstract:   s.HostAbstract,
 
 		// the container is canceled when shim is requested to exit or receives an interrupt or termination signal;
 		// this behaviour is implemented in the shim

internal/app/seal_linux.go

@@ -238,11 +238,11 @@ func (seal *outcome) finalise(ctx context.Context, sys sys.State, config *hst.Co
 		}
 
 		conf := &hst.ContainerConfig{
-			Userns:   true,
-			Net:      true,
-			Abstract: true,
-			Tty:      true,
-			AutoEtc:  true,
+			Userns:       true,
+			HostNet:      true,
+			HostAbstract: true,
+			Tty:          true,
+			AutoEtc:      true,
 
 			AutoRoot:  container.AbsFHSRoot,
 			RootFlags: container.BindWritable,