handle extra subcommand name from cargo

src/main.rs

@@ -1,3 +1,5 @@
+use std::ffi::OsString;
+
 use clap::Parser;
 
 mod vcs;
@@ -5,7 +7,9 @@ mod vcs;
 use vcs::cli::*;
 
 fn main() {
-    let args = Cli::parse();
+    // running with cargo vcs causes the vcs arg to be sent along
+    // we need to unhack this for Clap
+    let args = parse_args();
 
     let work_dir = args
         .path
@@ -40,3 +44,15 @@ fn main() {
         }
     }
 }
+
+fn parse_args() -> Cli {
+    // running with cargo vcs causes the vcs arg to be sent along
+    // we need to unhack this for Clap
+    let mut all_args: Vec<OsString> = std::env::args_os().collect();
+    let vcsstr = String::from("vcs");
+    let osvcsstr = OsString::from(vcsstr);
+    if all_args.get(1) == Some(&osvcsstr) {
+        all_args.remove(1);
+    }
+    Cli::parse_from(all_args)
+}