From 9164286525fbe5449012f09fcdcff97f278ff51e Mon Sep 17 00:00:00 2001
From: Nora Widdecke <nora@sequoia-pgp.org>
Date: Fri, 13 May 2022 00:06:14 +0200
Subject: add a subcommands

I tried to have both subcommands in one Enum, that derives Parser, but
that adds another layer of subcommands for which I haven't found
a workaround.
---
 sq/src/sq-usage.rs | 30 ++++++++++++++++++++++++++++++
 sq/src/sq.rs       |  8 ++++++++
 sq/src/sq_cli.rs   | 23 ++++++++++++++++++++++-
 3 files changed, 60 insertions(+), 1 deletion(-)

diff --git a/sq/src/sq-usage.rs b/sq/src/sq-usage.rs
index 66ba9d38..1977f77d 100644
--- a/sq/src/sq-usage.rs
+++ b/sq/src/sq-usage.rs
@@ -66,6 +66,10 @@
 //!             Low-level packet manipulation
 //!     revoke
 //!             Generates revocation certificates
+//!     baz
+//!             baz help text
+//!     foo
+//!             foo help text
 //!     help
 //!             Print this message or the help of the given subcommand(s)
 //! ```
@@ -2038,6 +2042,32 @@
 //!
 //! For more information try --help
 //! ```
+//!
+//! ## Subcommand baz
+//!
+//! ```text
+//! baz help text
+//!
+//! USAGE:
+//!     sq baz --quux <QUUX>
+//!
+//! OPTIONS:
+//!     -h, --help           Print help information
+//!     -q, --quux <QUUX>    quux argument
+//! ```
+//!
+//! ## Subcommand foo
+//!
+//! ```text
+//! foo help text
+//!
+//! USAGE:
+//!     sq foo [OPTIONS]
+//!
+//! OPTIONS:
+//!     -b, --bar     bar flag
+//!     -h, --help    Print help information
+//! ```
 
 #![doc(html_favicon_url = "https://docs.sequoia-pgp.org/favicon.png")]
 #![doc(html_logo_url = "https://docs.sequoia-pgp.org/logo.svg")]
diff --git a/sq/src/sq.rs b/sq/src/sq.rs
index bb481065..326958b0 100644
--- a/sq/src/sq.rs
+++ b/sq/src/sq.rs
@@ -706,6 +706,14 @@ fn main() -> Result<()> {
             commands::certify::certify(config, m)?;
         },
 
+        Some(("foo",  m)) => {
+            use clap::FromArgMatches;
+            let fc = sq_cli::FooCommand::from_arg_matches(m)?;
+            println!("hello foo :), {:?}", fc)
+        }
+        Some((_,  m)) => {
+            println!("hello :), {:?}", m)
+        }
         _ => unreachable!(),
     }
 
diff --git a/sq/src/sq_cli.rs b/sq/src/sq_cli.rs
index 4c9d3846..2a8b037b 100644
--- a/sq/src/sq_cli.rs
+++ b/sq/src/sq_cli.rs
@@ -1,6 +1,7 @@
 /// Command-line parser for sq.
 
 use clap::{Command, Arg, ArgGroup};
+use clap::{Parser, CommandFactory};
 
 pub fn build() -> Command<'static> {
     configure(Command::new("sq"),
@@ -1923,7 +1924,27 @@ $ sq autocrypt encode-sender --prefer-encrypt mutual juliet.pgp
                                          attribute"))
                 )
         )
-    };
+    }
+    .subcommand(FooCommand::command())
+    .subcommand(BazCommand::command());
 
     app
 }
+
+#[derive(Parser, Debug)]
+#[clap(name = "foo")]
+#[clap(about="foo help text")]
+pub struct FooCommand {
+    /// bar flag
+    #[clap(short, long)]
+    bar: bool,
+}
+
+#[derive(Parser, Debug)]
+#[clap(name = "baz")]
+#[clap(about="baz help text")]
+pub struct BazCommand {
+    /// quux argument
+    #[clap(short, long)]
+    quux: String,
+}
-- 
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