fix(complete)!: Remove CompleteCommand

This just has too many caveats to be worth maintaining

clap_complete/Cargo.toml

@@ -38,7 +38,6 @@ clap = { path = "../", version = "4.5.15", default-features = false, features =
 clap_lex = { path = "../clap_lex", version = "0.7.0", optional = true }
 is_executable = { version = "1.0.1", optional = true }
 shlex = { version = "1.3.0", optional = true }
-unicode-xid = { version = "0.2.2", optional = true }
 
 [dev-dependencies]
 snapbox = { version = "0.6.0", features = ["diff", "dir", "examples"] }
@@ -51,13 +50,12 @@ automod = "1.0.14"
 
 [[example]]
 name = "dynamic"
-required-features = ["unstable-dynamic", "unstable-command"]
+required-features = ["unstable-dynamic"]
 
 [features]
 default = []
-unstable-doc = ["unstable-dynamic", "unstable-command"] # for docs.rs
+unstable-doc = ["unstable-dynamic"] # for docs.rs
 unstable-dynamic = ["dep:clap_lex", "dep:shlex", "dep:is_executable", "clap/unstable-ext"]
-unstable-command = ["unstable-dynamic", "dep:unicode-xid", "clap/derive", "dep:is_executable", "clap/unstable-ext"]
 debug = ["clap/debug"]
 
 [lints]

clap_complete/examples/dynamic.rs

@@ -1,8 +1,5 @@
-use clap::FromArgMatches;
-use clap::Subcommand;
-
 fn command() -> clap::Command {
-    let cmd = clap::Command::new("dynamic")
+    clap::Command::new("dynamic")
         .arg(
             clap::Arg::new("input")
                 .long("input")
@@ -15,20 +12,15 @@ fn command() -> clap::Command {
                 .short('F')
                 .value_parser(["json", "yaml", "toml"]),
         )
-        .args_conflicts_with_subcommands(true);
-    clap_complete::CompleteCommand::augment_subcommands(cmd)
+        .args_conflicts_with_subcommands(true)
 }
 
 fn main() {
     clap_complete::CompleteEnv::with_factory(command).complete();
 
     let cmd = command();
     let matches = cmd.get_matches();
-    if let Ok(completions) = clap_complete::CompleteCommand::from_arg_matches(&matches) {
-        completions.complete(&mut command());
-    } else {
-        println!("{matches:#?}");
-    }
+    println!("{matches:#?}");
 }
 
 #[test]

clap_complete/examples/exhaustive.rs

@@ -1,6 +1,4 @@
 use clap::builder::PossibleValue;
-#[cfg(feature = "unstable-command")]
-use clap::{FromArgMatches, Subcommand};
 use clap_complete::{generate, Generator, Shell};
 
 fn main() {
@@ -15,12 +13,6 @@ fn main() {
         return;
     }
 
-    #[cfg(feature = "unstable-command")]
-    if let Ok(completions) = clap_complete::CompleteCommand::from_arg_matches(&matches) {
-        completions.complete(&mut cli());
-        return;
-    };
-
     println!("{:?}", matches);
 }
 
@@ -30,7 +22,7 @@ fn print_completions<G: Generator>(gen: G, cmd: &mut clap::Command) {
 
 #[allow(clippy::let_and_return)]
 fn cli() -> clap::Command {
-    let cli = clap::Command::new("exhaustive")
+    clap::Command::new("exhaustive")
         .version("3.0")
         .propagate_version(true)
         .args([
@@ -197,8 +189,5 @@ fn cli() -> clap::Command {
                     .long("email")
                     .value_hint(clap::ValueHint::EmailAddress),
             ]),
-        ]);
-    #[cfg(feature = "unstable-command")]
-    let cli = clap_complete::CompleteCommand::augment_subcommands(cli);
-    cli
+        ])
 }