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-rw-r--r--vendor/clap/examples/multicall-busybox.rs47
1 files changed, 47 insertions, 0 deletions
diff --git a/vendor/clap/examples/multicall-busybox.rs b/vendor/clap/examples/multicall-busybox.rs
new file mode 100644
index 000000000..9260e1d70
--- /dev/null
+++ b/vendor/clap/examples/multicall-busybox.rs
@@ -0,0 +1,47 @@
+use std::path::PathBuf;
+use std::process::exit;
+
+use clap::{value_parser, Arg, ArgAction, Command};
+
+fn applet_commands() -> [Command; 2] {
+ [
+ Command::new("true").about("does nothing successfully"),
+ Command::new("false").about("does nothing unsuccessfully"),
+ ]
+}
+
+fn main() {
+ let cmd = Command::new(env!("CARGO_CRATE_NAME"))
+ .multicall(true)
+ .subcommand(
+ Command::new("busybox")
+ .arg_required_else_help(true)
+ .subcommand_value_name("APPLET")
+ .subcommand_help_heading("APPLETS")
+ .arg(
+ Arg::new("install")
+ .long("install")
+ .help("Install hardlinks for all subcommands in path")
+ .exclusive(true)
+ .action(ArgAction::Set)
+ .default_missing_value("/usr/local/bin")
+ .value_parser(value_parser!(PathBuf)),
+ )
+ .subcommands(applet_commands()),
+ )
+ .subcommands(applet_commands());
+
+ let matches = cmd.get_matches();
+ let mut subcommand = matches.subcommand();
+ if let Some(("busybox", cmd)) = subcommand {
+ if cmd.contains_id("install") {
+ unimplemented!("Make hardlinks to the executable here");
+ }
+ subcommand = cmd.subcommand();
+ }
+ match subcommand {
+ Some(("false", _)) => exit(1),
+ Some(("true", _)) => exit(0),
+ _ => unreachable!("parser should ensure only valid subcommand names are used"),
+ }
+}