updated clap

.vscode/settings.json

@@ -1,3 +1,4 @@
 {
-    "editor.formatOnSave": true
+    "editor.formatOnSave": true,
+    "rust.clippy_preference": "on"
 }

Cargo.lock

@@ -86,24 +86,33 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "3.0.14"
+version = "3.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b63edc3f163b3c71ec8aa23f9bd6070f77edbf3d1d198b164afa90ff00e4ec62"
+checksum = "85a35a599b11c089a7f49105658d089b8f2cf0882993c17daf6de15285c2c35d"
 dependencies = [
  "atty",
  "bitflags",
+ "clap_lex",
  "indexmap",
- "os_str_bytes",
  "strsim",
  "termcolor",
- "textwrap 0.14.2",
+ "textwrap 0.15.0",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a37c35f1112dad5e6e0b1adaff798507497a18fceeb30cceb3bae7d1427b9213"
+dependencies = [
+ "os_str_bytes",
 ]
 
 [[package]]
 name = "clone-shim"
 version = "0.1.0"
 dependencies = [
- "clap 3.0.14",
+ "clap 3.1.15",
  "close_fds",
  "criterion",
  "env_logger",
@@ -429,9 +438,6 @@ name = "os_str_bytes"
 version = "6.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8e22443d1643a904602595ba1cd8f7d896afe56d26712531c5ff73a15b2fbf64"
-dependencies = [
- "memchr",
-]
 
 [[package]]
 name = "plotters"
@@ -673,9 +679,9 @@ dependencies = [
 
 [[package]]
 name = "textwrap"
-version = "0.14.2"
+version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0066c8d12af8b5acd21e00547c3797fde4e8677254a7ee429176ccebbe93dd80"
+checksum = "b1141d4d61095b28419e22cb0bbf02755f5e54e0526f97f1e3d1d160e60885fb"
 
 [[package]]
 name = "thiserror"

src/main.rs

@@ -4,19 +4,43 @@ use clone_shim::{run, RunArgs};
 
 use std::path::Path;
 
-use clap::{App, AppSettings};
+use clap::{Arg, Command};
 
 fn main() {
     // process arguments
-    let matches = App::new("clone-shim")
+    let matches = Command::new("clone-shim")
         .version(env!("GIT_HASH"))
         .author("Jake Hillion <jake@hillion.co.uk>")
-        .about("Launch a multi entrypoint app, cloning as requested by an external specification or the ELF.")
+        .about("Launch a void process application.")
-        .arg(clap::Arg::new("spec").long("specification").short('s').help("Provide the specification as an external JSON file.").takes_value(true))
+        .trailing_var_arg(true)
-        .setting(AppSettings::TrailingVarArg)
+        .arg(
-        .arg(clap::Arg::new("verbose").long("verbose").short('v').help("Use verbose logging.").takes_value(false))
+            Arg::new("spec")
-        .arg(clap::Arg::new("debug").long("debug").short('d').help("Stop each spawned application process so that it can be attached to.").takes_value(false))
+                .long("specification")
-        .arg(clap::Arg::new("binary").index(1).help("Binary and arguments to launch with the shim").required(true).multiple_values(true))
+                .short('s')
+                .help("Provide the specification as an external JSON file.")
+                .takes_value(true),
+        )
+        .arg(
+            Arg::new("verbose")
+                .long("verbose")
+                .short('v')
+                .help("Use verbose logging.")
+                .takes_value(false),
+        )
+        .arg(
+            Arg::new("debug")
+                .long("debug")
+                .short('d')
+                .help("Stop each spawned application process so that it can be attached to.")
+                .takes_value(false),
+        )
+        .arg(
+            Arg::new("binary")
+                .index(1)
+                .help("Binary and arguments to launch with the shim")
+                .required(true)
+                .multiple_values(true),
+        )
         .get_matches();
 
     // setup logging