remove shellwords crate

Cargo.toml

@@ -33,7 +33,6 @@ regex = "1.0"
 rustyline = "5.0.4"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-shellwords = "1.0"
 siphasher = "0.3"
 syslog = "4.0"
 tokio = { version = "0.2.0-alpha.4" }

src/cli/command.rs

@@ -314,25 +314,7 @@ pub fn print_bash_completion(def: &CommandLineInterface) {
         Err(_) => return,
     };
 
-    let mut args = match shellwords::split(&cmdline) {
-        Ok(v) => v,
-        Err(_) => return,
-    };
-
-    if args.len() == 0 { return; }
-
-    args.remove(0); //no need for program name
-
-    if cmdline.ends_with(char::is_whitespace) {
-        //eprintln!("CMDLINE {:?}", cmdline);
-        args.push("".into());
-    }
-
-    let completions = if !args.is_empty() && args[0] == "help" {
-        get_help_completion(def, &help_command_def(), &args[1..])
-    } else {
-        get_nested_completion(def, &args)
-    };
+    let (_start, completions) = super::get_completions(def, &cmdline, true);
 
     for item in completions {
         println!("{}", item);

src/cli/completion.rs

@@ -172,6 +172,39 @@ fn test_shellword_split_unclosed() {
     );
 }
 
+pub fn get_completions(
+    cmd_def: &CommandLineInterface,
+    line: &str,
+    skip_first: bool,
+) -> (usize, Vec<String>) {
+
+    let (mut args, start ) = match shellword_split_unclosed(line, false) {
+        (mut args, None) => {
+            args.push("".into());
+            (args, line.len())
+        }
+        (mut args, Some((start , arg, _quote))) => {
+            args.push(arg);
+            (args, start)
+        }
+    };
+
+    if skip_first {
+
+        if args.len() == 0 { return (0, Vec::new()); }
+
+        args.remove(0); // no need for program name
+    }
+
+    let completions = if !args.is_empty() && args[0] == "help" {
+        get_help_completion(cmd_def, &help_command_def(), &args[1..])
+    } else {
+        get_nested_completion(cmd_def, &args)
+    };
+
+    (start, completions)
+}
+
 pub struct CliHelper {
     cmd_def:  CommandLineInterface,
 }
@@ -199,24 +232,7 @@ impl rustyline::completion::Completer for CliHelper {
 
         let line = &line[..pos];
 
-        let (args, start ) = match shellword_split_unclosed(line, false) {
-            (mut args, None) => {
-                args.push("".into());
-                (args, pos)
-            }
-            (mut args, Some((start , arg, _quote))) => {
-                args.push(arg);
-                (args, start)
-            }
-        };
-
-        let def = &self.cmd_def;
-
-        let completions = if !args.is_empty() && args[0] == "help" {
-            get_help_completion(&def, &help_command_def(), &args[1..])
-        } else {
-            get_nested_completion(&def, &args)
-        };
+        let (start, completions) = super::get_completions(&self.cmd_def, line, false);
 
         return Ok((start, completions));
     }