Update package config

Cargo.toml

@@ -18,9 +18,9 @@ description = "Look up words via online dictionaries"
 # Will automatically link to the corresponding docs.rs page if not given.
 # Must set it because docs.rs only render libraries.
 # ref: https://doc.rust-lang.org/cargo/reference/manifest.html#the-documentation-field
-#documentation = ""
-#homepage = ""
-#repository = ""
+documentation = "https://github.com/zdict/rust-zdict"
+homepage = "https://github.com/zdict/rust-zdict"
+repository = "https://github.com/zdict/rust-zdict"
 
 
 [dependencies]

README.md

@@ -1,3 +1,41 @@
 # zdict
 
 A Rust version of [zdict](https://github.com/zdict/zdict).
+
+
+## Install
+
+```console
+cargo install --git https://github.com/zdict/rust-zdict
+```
+
+
+## Usage
+
+```
+zdict
+
+USAGE:
+    zd [FLAGS] [OPTIONS] <word>...
+    zd <SUBCOMMAND>
+
+ARGS:
+    <word>...    Search translation of words
+
+FLAGS:
+    -d, --disable-db-cache    Temporarily not using the result from db cache. (still save the result
+                              into db)
+    -h, --help                Print help information
+        --show-provider       Show dictionary provider
+        --show-url            Show URL
+    -v, --verbose             Use verbose output
+    -V, --version             Print version information
+
+OPTIONS:
+        --dict <DICT>    Choose the dictionary [possible values: yahoo, urban, all]
+
+SUBCOMMANDS:
+    dicts    Show currently supported dictionaries
+```
+
+![](https://user-images.githubusercontent.com/829295/137491540-e1db8ba4-0129-4d6e-af82-21b5399cfbb4.png)

src/dict.rs

@@ -113,17 +113,20 @@ fn lookup<Entry: Lookup>(word: &str, opts: &Opts, db_cache: Option<&Cache>) {
 }
 
 fn show_failure<Entry: Lookup>(err: BoxError, word: &str) {
-    let repo = "https://github.com/zdict/rust-zdict/";
-    let issues = format!("{}issues", repo);
     println!("\
         {err:?}\n\
         {err}\n\
         ================================================================================\n\
-        Entryionary: {} ({})\n\
-        Word: '{}'\n\
+        Entryionary: {dict_title} ({dict_name})\n\
+        Word: '{word}'\n\
         ================================================================================\n\
         \n\
         Houston, we got a problem 😢\n\
-        Please report the error message above to {}\
-    ", Entry::DICT.title, Entry::DICT.name, word, issues, err=err);
+        Please report the error message above to {issues}",
+        dict_title = Entry::DICT.title,
+        dict_name = Entry::DICT.name,
+        word = word,
+        issues = format!("{}/issues", env!("CARGO_PKG_REPOSITORY")),
+        err = err
+    );
 }