Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/third_party/rust/clap/examples/derive_ref/augment_subcommands.rs b/third_party/rust/clap/examples/derive_ref/augment_subcommands.rs
new file mode 100644
index 0000000000..299c7f8cf6
--- /dev/null
+++ b/third_party/rust/clap/examples/derive_ref/augment_subcommands.rs
@@ -0,0 +1,21 @@
+use clap::{Command, FromArgMatches as _, Parser, Subcommand as _};
+
+#[derive(Parser, Debug)]
+enum Subcommands {
+    Derived {
+        #[clap(short, long)]
+        derived_flag: bool,
+    },
+}
+
+fn main() {
+    let cli = Command::new("Built CLI");
+    // Augment with derived subcommands
+    let cli = Subcommands::augment_subcommands(cli);
+
+    let matches = cli.get_matches();
+    let derived_subcommands = Subcommands::from_arg_matches(&matches)
+        .map_err(|err| err.exit())
+        .unwrap();
+    println!("Derived subcommands: {:#?}", derived_subcommands);
+}