Add support for spaces in commands (#75)

For example "git commit".

Fixes #74.

src/main.rs

@@ -44,7 +44,7 @@ const VERSION: &str = env!("CARGO_PKG_VERSION");
 const USAGE: &str = "
 Usage:
 
-    tldr [options] <command>
+    tldr [options] <command>...
     tldr [options]
 
 Options:
@@ -79,7 +79,7 @@ const MAX_CACHE_AGE: i64 = 2_592_000; // 30 days
 
 #[derive(Debug, Deserialize)]
 struct Args {
-    arg_command: Option<String>,
+    arg_command: Option<Vec<String>>,
     flag_help: bool,
     flag_version: bool,
     flag_list: bool,
@@ -303,6 +303,7 @@ fn main() {
 
     // Show command from cache
     if let Some(ref command) = args.arg_command {
+        let command = command.join("-");
         // Check cache for freshness
         check_cache(&args, &cache);
 

tests/lib.rs

@@ -257,3 +257,21 @@ fn test_correct_rendering_with_config() {
         .success()
         .stdout(similar(expected));
 }
+
+#[test]
+fn test_spaces_find_command() {
+    let testenv = TestEnv::new();
+
+    testenv
+        .command()
+        .args(&["--update"])
+        .assert()
+        .success()
+        .stdout(contains("Successfully updated cache."));
+
+    testenv
+        .command()
+        .args(&["git", "checkout"])
+        .assert()
+        .success();
+}