added manpage generation

Cargo.toml

@@ -8,7 +8,7 @@ license = "MIT"
 readme = "README.md"
 edition = "2021"
 rust-version = "1.65.0"
-build = "build_shell_completions.rs"
+build = "build_shell_completions_and_man_pages.rs"
 
 
 [dependencies]
@@ -34,6 +34,7 @@ clap = { version = "4.0.32", features = ["wrap_help", "derive", "env"] }
 once_cell = "1.16.0"
 clap = { version = "4.0.32", features = ["derive", "env"] }
 clap_complete = "4.0.7"
+clap_mangen = "0.2.6"
 
 
 [profile.release]

PKGBUILD

@@ -30,16 +30,20 @@ package() {
     install -D -m755 "target/release/nv" "$pkgdir/usr/bin/nv"
 
     # Find last build directory where completions was generated
-    completions_dir=$(find "target" -name "shell_completions" -type d -printf "%T+\t%p\n" | sort | awk 'NR==1{print $2}')
+    out_dir=$(find "target" -name "assets" -type d -printf "%T+\t%p\n" | sort | awk 'NR==1{print $2}')
 
     # Install shell completions
-    install -D -m644 "$completions_dir/_page" "$pkgdir/usr/share/zsh/site-functions/_page"
-    install -D -m644 "$completions_dir/page.bash" "$pkgdir/usr/share/bash-completion/completions/page.bash"
-    install -D -m644 "$completions_dir/page.fish" "$pkgdir/usr/share/fish/completions/page.fish"
+    install -D -m644 "$out_dir/_page" "$pkgdir/usr/share/zsh/site-functions/_page"
+    install -D -m644 "$out_dir/page.bash" "$pkgdir/usr/share/bash-completion/completions/page.bash"
+    install -D -m644 "$out_dir/page.fish" "$pkgdir/usr/share/fish/completions/page.fish"
 
-    install -D -m644 "$completions_dir/_nv" "$pkgdir/usr/share/zsh/site-functions/_nv"
-    install -D -m644 "$completions_dir/nv.bash" "$pkgdir/usr/share/bash-completion/completions/nv.bash"
-    install -D -m644 "$completions_dir/nv.fish" "$pkgdir/usr/share/fish/completions/nv.fish"
+    install -D -m644 "$out_dir/_nv" "$pkgdir/usr/share/zsh/site-functions/_nv"
+    install -D -m644 "$out_dir/nv.bash" "$pkgdir/usr/share/bash-completion/completions/nv.bash"
+    install -D -m644 "$out_dir/nv.fish" "$pkgdir/usr/share/fish/completions/nv.fish"
+
+    # Install man pages
+    install -D -m644 "$out_dir/page.1" "$pkgdir/usr/share/man/man1/page.1"
+    install -D -m644 "$out_dir/nv.1" "$pkgdir/usr/share/man/man1/nv.1"
 
     # Install MIT license
     install -D -m644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"

build_shell_completions_and_man_pages.rs

@@ -0,0 +1,84 @@
+use clap_complete::shells::{Zsh, Bash, Fish};
+use clap::CommandFactory;
+
+use std::{fs, path::{PathBuf, Path}};
+
+
+#[cfg(feature = "pager")]
+#[allow(dead_code)]
+mod pager {
+    include!("src/pager/cli.rs");
+}
+
+#[cfg(feature = "picker")]
+#[allow(dead_code)]
+mod picker {
+    include!("src/picker/cli.rs");
+}
+
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let out_dir = PathBuf::from(
+        std::env::var("OUT_DIR")
+            .unwrap()
+    ).join("assets");
+
+    fs::create_dir_all(&out_dir)?;
+    eprintln!("Assets would be generated in: {}", out_dir.display());
+
+    #[cfg(feature = "pager")]
+    {
+        let mut app = pager::Options::command();
+        clap_complete::generate_to(Zsh , &mut app, "page", &out_dir)?;
+        clap_complete::generate_to(Bash, &mut app, "page", &out_dir)?;
+        clap_complete::generate_to(Fish, &mut app, "page", &out_dir)?;
+
+        let page_1 = Path::new(&out_dir)
+            .join("page.1");
+        let mut page_1 = fs::File::create(page_1)?;
+        let man = clap_mangen::Man::new(app);
+        man.render_title(&mut page_1)?;
+        man.render_description_section(&mut page_1)?;
+        let mut options_section = vec![];
+        man.render_options_section(&mut options_section)?;
+        let options_section = String::from_utf8(options_section)?
+            .replace("{n} ~ ~ ~", "")
+            .replace("{n} ^ ~ ~ ~", "")
+            .replace("[", "【\\fB")
+            .replace("]", "\\fR】")
+            .replace("【\\fBFILE\\fR】", "[FILE]..")
+            .replace("【\\fB\\fIFILE\\fR\\fR】", "[FILE]..");
+        use std::io::Write;
+        write!(page_1, "{options_section}")?;
+        man.render_authors_section(&mut page_1)?;
+    }
+
+    #[cfg(feature = "picker")]
+    {
+        let mut app = picker::Options::command();
+        clap_complete::generate_to(Zsh , &mut app, "nv", &out_dir)?;
+        clap_complete::generate_to(Bash, &mut app, "nv", &out_dir)?;
+        clap_complete::generate_to(Fish, &mut app, "nv", &out_dir)?;
+
+        let nv_1 = Path::new(&out_dir)
+            .join("nv.1");
+        let mut nv_1 = fs::File::create(nv_1)?;
+        let man = clap_mangen::Man::new(app);
+        man.render_title(&mut nv_1)?;
+        man.render_description_section(&mut nv_1)?;
+        let mut options_section = vec![];
+        man.render_options_section(&mut options_section)?;
+        let options_section = String::from_utf8(options_section)?
+            .replace("{n} ~ ~ ~", "")
+            .replace("{n} ^ ~ ~ ~", "")
+            .replace("[", "【\\fB")
+            .replace("]", "\\fR】")
+            .replace("【\\fBFILE\\fR】", "[FILE]..")
+            .replace("【\\fB\\fIFILE\\fR\\fR】", "[FILE]..");
+        use std::io::Write;
+        write!(nv_1, "{options_section}")?;
+        man.render_authors_section(&mut nv_1)?;
+    }
+
+    Ok(())
+}