From bf7280554a22ed21f517ef315ceff265906c69e8 Mon Sep 17 00:00:00 2001
From: Sven-Hendrik Haase <svenstaro@gmail.com>
Date: Mon, 21 Feb 2022 00:50:39 +0100
Subject: Add man page support using --print-manpage (fixes #730)

---
 src/args.rs | 4 ++++
 src/main.rs | 7 +++++++
 2 files changed, 11 insertions(+)

(limited to 'src')

diff --git a/src/args.rs b/src/args.rs
index 77925a2..841db3a 100644
--- a/src/args.rs
+++ b/src/args.rs
@@ -156,6 +156,10 @@ pub struct CliArgs {
     #[clap(long = "print-completions", value_name = "shell", arg_enum)]
     pub print_completions: Option<Shell>,
 
+    /// Generate man page
+    #[clap(long = "print-manpage")]
+    pub print_manpage: bool,
+
     /// TLS certificate to use
     #[cfg(feature = "tls")]
     #[clap(long = "tls-cert", requires = "tls-key", value_hint = ValueHint::FilePath)]
diff --git a/src/main.rs b/src/main.rs
index 63a620d..de10d7d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -40,6 +40,13 @@ fn main() -> Result<()> {
         return Ok(());
     }
 
+    if args.print_manpage {
+        let clap_app = args::CliArgs::command();
+        let man = clap_mangen::Man::new(clap_app);
+        man.render(&mut io::stdout())?;
+        return Ok(());
+    }
+
     let miniserve_config = MiniserveConfig::try_from_args(args)?;
 
     run(miniserve_config).map_err(|e| {
-- 
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