feat: make env var required for edit command

src/home.rs

@@ -37,9 +37,7 @@ impl NHRunnable for HomeArgs {
 
 impl HomeEditArgs {
     fn edit(&self) -> Result<()> {
-        let flakeref = self.flakeref.clone().expect("NH_HOME_FLAKE not set");
-
-        commands::edit(flakeref)
+        commands::edit(self.flakeref.clone())
     }
 }
 

src/interface.rs

@@ -97,7 +97,7 @@ pub enum OsRebuildType {
 #[derive(Debug, Args)]
 pub struct OsEditArgs {
     #[arg(env = "NH_OS_FLAKE", value_hint = clap::ValueHint::DirPath)]
-    pub flakeref: Option<FlakeRef>,
+    pub flakeref: FlakeRef,
 }
 
 #[derive(Debug, Args)]
@@ -286,7 +286,7 @@ pub struct HomeRebuildArgs {
 #[derive(Debug, Args)]
 pub struct HomeEditArgs {
     #[arg(env = "NH_HOME_FLAKE", value_hint = clap::ValueHint::DirPath)]
-    pub flakeref: Option<FlakeRef>,
+    pub flakeref: FlakeRef,
 }
 
 #[derive(Debug, Parser)]

src/nixos.rs

@@ -28,8 +28,7 @@ impl NHRunnable for interface::OsArgs {
 
 impl OsEditArgs {
     fn edit(&self) -> Result<()> {
-        let flakeref = self.flakeref.clone().expect("NH_OS_FLAKE not set");
-        commands::edit(flakeref)
+        commands::edit(self.flakeref.clone())
     }
 }