Adding upstream version 115.7.0esr.upstream/115.7.0esr

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

1 files changed, 53 insertions, 0 deletions

diff --git a/third_party/rust/clap/examples/derive_ref/flatten_hand_args.rs b/third_party/rust/clap/examples/derive_ref/flatten_hand_args.rs
new file mode 100644
index 0000000000..2969457e18
--- /dev/null
+++ b/third_party/rust/clap/examples/derive_ref/flatten_hand_args.rs
@@ -0,0 +1,53 @@
+use clap::error::Error;
+use clap::{Arg, ArgMatches, Args, Command, FromArgMatches, Parser};
+
+#[derive(Debug)]
+struct CliArgs {
+    foo: bool,
+    bar: bool,
+    quuz: Option<String>,
+}
+
+impl FromArgMatches for CliArgs {
+    fn from_arg_matches(matches: &ArgMatches) -> Result<Self, Error> {
+        Ok(Self {
+            foo: matches.is_present("foo"),
+            bar: matches.is_present("bar"),
+            quuz: matches.value_of("quuz").map(|quuz| quuz.to_owned()),
+        })
+    }
+    fn update_from_arg_matches(&mut self, matches: &ArgMatches) -> Result<(), Error> {
+        self.foo |= matches.is_present("foo");
+        self.bar |= matches.is_present("bar");
+        if let Some(quuz) = matches.value_of("quuz") {
+            self.quuz = Some(quuz.to_owned());
+        }
+        Ok(())
+    }
+}
+
+impl Args for CliArgs {
+    fn augment_args(cmd: Command<'_>) -> Command<'_> {
+        cmd.arg(Arg::new("foo").short('f').long("foo"))
+            .arg(Arg::new("bar").short('b').long("bar"))
+            .arg(Arg::new("quuz").short('q').long("quuz").takes_value(true))
+    }
+    fn augment_args_for_update(cmd: Command<'_>) -> Command<'_> {
+        cmd.arg(Arg::new("foo").short('f').long("foo"))
+            .arg(Arg::new("bar").short('b').long("bar"))
+            .arg(Arg::new("quuz").short('q').long("quuz").takes_value(true))
+    }
+}
+
+#[derive(Parser, Debug)]
+struct Cli {
+    #[clap(short, long)]
+    top_level: bool,
+    #[clap(flatten)]
+    more_args: CliArgs,
+}
+
+fn main() {
+    let args = Cli::parse();
+    println!("{:#?}", args);
+}