Align tedge-apt-plugin with tedge services/plugins

tedge-apt-plugin specific treatment in tedge/main.rs
was only for exiting with 1 and not 2
when the command line cannot be parsed.

Signed-off-by: Didier Wenzek <didier.wenzek@free.fr>

Author: didier-wenzek

crates/core/tedge/src/cli/mod.rs

@@ -7,6 +7,7 @@ use c8y_firmware_plugin::FirmwarePluginOpt;
 use c8y_remote_access_plugin::C8yRemoteAccessPluginOpt;
 pub use connect::*;
 use tedge_agent::AgentOpt;
+use tedge_apt_plugin::AptCli;
 use tedge_config::cli::CommonArgs;
 use tedge_mapper::MapperOpt;
 use tedge_watchdog::WatchdogOpt;
@@ -51,15 +52,18 @@ pub enum TEdgeOptMulticall {
 
 #[derive(clap::Parser, Debug)]
 pub enum Component {
-    TedgeMapper(MapperOpt),
+    C8yFirmwarePlugin(FirmwarePluginOpt),
+
+    C8yRemoteAccessPlugin(C8yRemoteAccessPluginOpt),
 
     TedgeAgent(AgentOpt),
 
-    C8yFirmwarePlugin(FirmwarePluginOpt),
+    #[clap(alias = "apt")]
+    TedgeAptPlugin(AptCli),
 
-    TedgeWatchdog(WatchdogOpt),
+    TedgeMapper(MapperOpt),
 
-    C8yRemoteAccessPlugin(C8yRemoteAccessPluginOpt),
+    TedgeWatchdog(WatchdogOpt),
 
     TedgeWrite(TedgeWriteOpt),
 }

crates/core/tedge/src/main.rs

@@ -32,11 +32,6 @@ static ALLOCATOR: Cap<alloc::System> = Cap::new(alloc::System, usize::MAX);
 fn main() -> anyhow::Result<()> {
     let executable_name = executable_name();
 
-    if matches!(executable_name.as_deref(), Some("apt" | "tedge-apt-plugin")) {
-        let try_opt = AptCli::try_parse();
-        tedge_apt_plugin::run_and_exit(try_opt);
-    }
-
     let opt = parse_multicall(&executable_name, std::env::args_os());
     match opt {
         TEdgeOptMulticall::Component(Component::TedgeMapper(opt)) => {
@@ -64,6 +59,9 @@ fn main() -> anyhow::Result<()> {
             block_on(tedge_watchdog::run(opt))
         }
         TEdgeOptMulticall::Component(Component::TedgeWrite(opt)) => tedge_write::bin::run(opt),
+        TEdgeOptMulticall::Component(Component::TedgeAptPlugin(opt)) => {
+            tedge_apt_plugin::run_and_exit(opt)
+        }
         TEdgeOptMulticall::Tedge { cmd, common } => {
             let tedge_config_location =
                 tedge_config::TEdgeConfigLocation::from_custom_root(&common.config_dir);
@@ -131,6 +129,18 @@ where
     Args: IntoIterator<Item = Arg>,
     Arg: Into<OsString> + Clone,
 {
+    if matches!(executable_name.as_deref(), Some("apt" | "tedge-apt-plugin")) {
+        // the apt plugin must be treated apart
+        // as we want to exit 1 and not 2 when the command line cannot be parsed
+        match AptCli::try_parse() {
+            Ok(apt) => return TEdgeOptMulticall::Component(Component::TedgeAptPlugin(apt)),
+            Err(e) => {
+                eprintln!("{}", RichFormatter::format_error(&e));
+                std::process::exit(1);
+            }
+        }
+    }
+
     let cmd = TEdgeOptMulticall::command();
 
     let is_known_subcommand = executable_name

plugins/tedge_apt_plugin/src/lib.rs

@@ -346,16 +346,7 @@ fn get_config(config_dir: &Path) -> Option<TEdgeConfig> {
     }
 }
 
-pub fn run_and_exit(cli: Result<AptCli, clap::Error>) -> ! {
-    let mut apt = match cli {
-        Ok(aptcli) => aptcli,
-        Err(err) => {
-            err.print().expect("Failed to print help message");
-            // re-write the clap exit_status from 2 to 1, if parse fails
-            std::process::exit(1)
-        }
-    };
-
+pub fn run_and_exit(mut apt: AptCli) -> ! {
     if let PluginOp::List { name, maintainer } = &mut apt.operation {
         if let Some(config) = get_config(apt.common.config_dir.as_std_path()) {
             if name.is_none() {