Add ZSH completions and fix build notice

Cargo.toml

@@ -11,7 +11,7 @@ repository = "https://github.com/vmchale/tin-summer"
 version = "1.21.13"
 
 [metadata.deb]
-extended-description = "Command-line tool written as a partial replacement for du. Automitically sniffs our build artifacts and can optionally clean them as well."
+extended-description = "Command-line tool written as a partial replacement for du. Automatically sniffs our build artifacts and can optionally clean them as well."
 license-file = ["LICENSE"]
 
 [[bin]]
@@ -46,6 +46,7 @@ deutsch = []
 english = []
 fish = []
 francais = []
+zsh = []
 
 [lib]
 name = "liboskar"

README.md

@@ -33,13 +33,7 @@ page](https://github.com/vmchale/tin-summer/releases).
 If your platform doesn't have binaries, or you just want to build from source, get [cargo](https://rustup.rs/). Then:
 
 ```bash
- $ cargo install tin-summer
-```
-
-Make sure you are on nightly; otherwise
-
-```bash
- $ rustup run nightly cargo install tin-summer
+$ cargo install tin-summer
 ```
 
 ## Use

build.rs

@@ -24,14 +24,25 @@ fn main() {
     let yaml = load_yaml!("src/cli/options-fr.yml");
     #[cfg(feature = "deutsch")]
     let yaml = load_yaml!("src/cli/options-de.yml");
-    let mut app = App::from_yaml(yaml).version(crate_version!());
 
     // generate bash completions if desired
     #[cfg(feature = "bash")]
-    app.gen_completions("sn", Shell::Bash, env!("BASH_COMPLETIONS_DIR"));
+    {
+        let mut app = App::from_yaml(yaml).version(crate_version!());
+        app.gen_completions("sn", Shell::Bash, env!("BASH_COMPLETIONS_DIR"));
+    }
 
     // generate fish completions if desired
-    let mut app_snd = App::from_yaml(yaml).version(crate_version!());
     #[cfg(feature = "fish")]
-    app_snd.gen_completions("sn", Shell::Fish, env!("FISH_COMPLETIONS_DIR"));
+    {
+        let mut app = App::from_yaml(yaml).version(crate_version!());
+        app.gen_completions("sn", Shell::Fish, env!("FISH_COMPLETIONS_DIR"));
+    }
+
+    // generate fish completions if desired
+    #[cfg(feature = "zsh")]
+    {
+        let mut app = App::from_yaml(yaml).version(crate_version!());
+        app.gen_completions("sn", Shell::Zsh, env!("ZSH_COMPLETIONS_DIR"));
+    }
 }