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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:11:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:13:23 +0000 |
commit | 20431706a863f92cb37dc512fef6e48d192aaf2c (patch) | |
tree | 2867f13f5fd5437ba628c67d7f87309ccadcd286 /vendor/clap-3.2.20/examples/pacman.rs | |
parent | Releasing progress-linux version 1.65.0+dfsg1-2~progress7.99u1. (diff) | |
download | rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.tar.xz rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.zip |
Merging upstream version 1.66.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/clap-3.2.20/examples/pacman.rs')
-rw-r--r-- | vendor/clap-3.2.20/examples/pacman.rs | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/vendor/clap-3.2.20/examples/pacman.rs b/vendor/clap-3.2.20/examples/pacman.rs new file mode 100644 index 000000000..aee7cd892 --- /dev/null +++ b/vendor/clap-3.2.20/examples/pacman.rs @@ -0,0 +1,111 @@ +use clap::{Arg, ArgAction, Command}; + +fn main() { + let matches = Command::new("pacman") + .about("package manager utility") + .version("5.2.1") + .subcommand_required(true) + .arg_required_else_help(true) + .author("Pacman Development Team") + // Query subcommand + // + // Only a few of its arguments are implemented below. + .subcommand( + Command::new("query") + .short_flag('Q') + .long_flag("query") + .about("Query the package database.") + .arg( + Arg::new("search") + .short('s') + .long("search") + .help("search locally installed packages for matching strings") + .conflicts_with("info") + .takes_value(true) + .multiple_values(true), + ) + .arg( + Arg::new("info") + .long("info") + .short('i') + .conflicts_with("search") + .help("view package information") + .takes_value(true) + .multiple_values(true), + ), + ) + // Sync subcommand + // + // Only a few of its arguments are implemented below. + .subcommand( + Command::new("sync") + .short_flag('S') + .long_flag("sync") + .about("Synchronize packages.") + .arg( + Arg::new("search") + .short('s') + .long("search") + .conflicts_with("info") + .takes_value(true) + .multiple_values(true) + .help("search remote repositories for matching strings"), + ) + .arg( + Arg::new("info") + .long("info") + .conflicts_with("search") + .short('i') + .action(ArgAction::SetTrue) + .help("view package information"), + ) + .arg( + Arg::new("package") + .help("packages") + .required_unless_present("search") + .takes_value(true) + .multiple_values(true), + ), + ) + .get_matches(); + + match matches.subcommand() { + Some(("sync", sync_matches)) => { + if sync_matches.contains_id("search") { + let packages: Vec<_> = sync_matches + .get_many::<String>("search") + .expect("contains_id") + .map(|s| s.as_str()) + .collect(); + let values = packages.join(", "); + println!("Searching for {}...", values); + return; + } + + let packages: Vec<_> = sync_matches + .get_many::<String>("package") + .expect("is present") + .map(|s| s.as_str()) + .collect(); + let values = packages.join(", "); + + if sync_matches.get_flag("info") { + println!("Retrieving info for {}...", values); + } else { + println!("Installing {}...", values); + } + } + Some(("query", query_matches)) => { + if let Some(packages) = query_matches.get_many::<String>("info") { + let comma_sep = packages.map(|s| s.as_str()).collect::<Vec<_>>().join(", "); + println!("Retrieving info for {}...", comma_sep); + } else if let Some(queries) = query_matches.get_many::<String>("search") { + let comma_sep = queries.map(|s| s.as_str()).collect::<Vec<_>>().join(", "); + println!("Searching Locally for {}...", comma_sep); + } else { + println!("Displaying all locally installed packages..."); + } + } + _ => unreachable!(), // If all subcommands are defined above, anything else is unreachable + } +} |