cli: port from structopt to clap v4

Cargo.toml

@@ -20,20 +20,21 @@ path = "src/main.rs"
 
 [dependencies]
 bodhi = "2.0.1"
-chrono = { version = "0.4.19", default-features = false }
+chrono = { version = "0.4.19", features = ["clock", "std"], default-features = false }
+clap = { version = "4", features = ["derive", "color", "suggestions", "wrap_help"]}
 dirs = "4"
 rpassword = "5.0.1"
 secret-service = "2.0.1"
 serde = { version = "1.0.134", features = ["derive"] }
 serde_json = "1.0.78"
-structopt = { version = "0.3.25", features = ["color", "suggestions", "wrap_help"] }
 term_size = "0.3.2"
 tokio = { version = "1.14", features = ["fs", "macros", "rt-multi-thread"] }
 toml = "0.5.8"
 
 [build-dependencies]
 bodhi = "2.0.1"
-structopt = "0.3.25"
+clap = { version = "4", features = ["derive"]}
+clap_complete = "4"
 
 [profile.release]
 codegen-units = 1

build.rs

@@ -1,9 +1,14 @@
-use structopt::clap::Shell;
+use clap::CommandFactory;
+use clap_complete::{generate_to, Shell};
 
 include!("src/cli.rs");
 
 fn main() {
-    let outdir = std::env::var("OUT_DIR").unwrap();
-    let mut app = BaseCommand::clap();
-    app.gen_completions("bodhi-cli", Shell::Bash, outdir);
+    let out_dir = std::env::var("OUT_DIR").unwrap();
+    let bin_name = std::env::var("CARGO_PKG_NAME").unwrap();
+    let mut command = BaseCommand::command();
+
+    generate_to(Shell::Bash, &mut command, &bin_name, &out_dir).unwrap();
+    generate_to(Shell::Fish, &mut command, &bin_name, &out_dir).unwrap();
+    generate_to(Shell::Zsh, &mut command, &bin_name, &out_dir).unwrap();
 }