Normalizing formatting with cargo fmt

src/error.rs

@@ -23,9 +23,7 @@ pub struct CommandError {
 
 impl CommandError {
     pub fn new(msg: String) -> CommandError {
-        CommandError{
-            msg: msg
-        }
+        CommandError { msg: msg }
     }
 }
 

src/events.rs

@@ -18,7 +18,7 @@ pub enum WatchEventType {
     Touched,
     Changed,
     Error,
-    Ignore
+    Ignore,
 }
 
 impl From<DebouncedEvent> for WatchEventType {
@@ -32,7 +32,7 @@ impl From<DebouncedEvent> for WatchEventType {
             DebouncedEvent::NoticeRemove(_) => WatchEventType::Ignore,
             DebouncedEvent::NoticeWrite(_) => WatchEventType::Ignore,
             DebouncedEvent::Rescan => WatchEventType::Ignore,
-            DebouncedEvent::Error(_, _) => WatchEventType::Ignore
+            DebouncedEvent::Error(_, _) => WatchEventType::Ignore,
         }
     }
 }

src/exec.rs

@@ -14,7 +14,7 @@
 use std::thread;
 use std::time::Duration;
 
-use subprocess::{Exec,PopenError,ExitStatus};
+use subprocess::{Exec, PopenError, ExitStatus};
 
 use traits::Process;
 use error::CommandError;
@@ -39,7 +39,11 @@ pub struct ExecProcess<'a> {
 
 impl<'a> ExecProcess<'a> {
     pub fn new(test_cmd: &'a str, cmd: &'a str, poll: Duration) -> ExecProcess<'a> {
-        ExecProcess{test_cmd: test_cmd, cmd: cmd, poll: poll}
+        ExecProcess {
+            test_cmd: test_cmd,
+            cmd: cmd,
+            poll: poll,
+        }
     }
 }
 

src/file.rs

@@ -12,12 +12,12 @@
 //  See the License for the specific language governing permissions and
 //  limitations under the License.
 use std::thread;
-use std::sync::{Arc,Mutex};
+use std::sync::{Arc, Mutex};
 use std::time::Duration;
 use std::path::Path;
 use std::sync::mpsc::channel;
 
-use notify::{Watcher,RecursiveMode,watcher};
+use notify::{Watcher, RecursiveMode, watcher};
 
 use traits::Process;
 use error::CommandError;
@@ -32,8 +32,17 @@ pub struct FileProcess<'a> {
 }
 
 impl<'a> FileProcess<'a> {
-    pub fn new(cmd: &'a str, file: &'a str, method: WatchEventType, poll: Duration) -> FileProcess<'a> {
-        FileProcess{ cmd: cmd, file: file, method: method, poll: poll}
+    pub fn new(cmd: &'a str,
+               file: &'a str,
+               method: WatchEventType,
+               poll: Duration)
+               -> FileProcess<'a> {
+        FileProcess {
+            cmd: cmd,
+            file: file,
+            method: method,
+            poll: poll,
+        }
     }
 }
 
@@ -57,7 +66,10 @@ fn spawn_runner_thread(lock: Arc<Mutex<bool>>, cmd: String, poll: Duration) {
     });
 }
 
-fn wait_for_fs_events(lock: Arc<Mutex<bool>>, method: WatchEventType, file: &str) -> Result<(), CommandError> {
+fn wait_for_fs_events(lock: Arc<Mutex<bool>>,
+                      method: WatchEventType,
+                      file: &str)
+                      -> Result<(), CommandError> {
     // Notify requires a channel for communication.
     let (tx, rx) = channel();
     let mut watcher = try!(watcher(tx, Duration::from_secs(1)));
@@ -66,26 +78,22 @@ fn wait_for_fs_events(lock: Arc<Mutex<bool>>, method: WatchEventType, file: &str
     println!("Watching {:?}", file);
     loop {
         let evt: WatchEventType = match rx.recv() {
-            Ok(event) => {
-                WatchEventType::from(event)
-            },
-            Err(_) => {
-                WatchEventType::Error
-            }
+            Ok(event) => WatchEventType::from(event),
+            Err(_) => WatchEventType::Error,
         };
         match evt {
             WatchEventType::Ignore => {
                 // We ignore this one.
-            },
+            }
             WatchEventType::Error => {
                 // We log this one.
-            },
+            }
             WatchEventType::Touched => {
                 if method == WatchEventType::Touched {
                     let mut signal = lock.lock().unwrap();
                     *signal = true;
                 }
-            },
+            }
             WatchEventType::Changed => {
                 let mut signal = lock.lock().unwrap();
                 *signal = true;
@@ -96,15 +104,15 @@ fn wait_for_fs_events(lock: Arc<Mutex<bool>>, method: WatchEventType, file: &str
 
 impl<'a> Process for FileProcess<'a> {
     fn run(&self) -> Result<(), CommandError> {
-    // NOTE(jwall): this is necessary because notify::fsEventWatcher panics
-    // if the path doesn't exist. :-(
-    if !Path::new(self.file).exists() {
-        return Err(CommandError::new(format!("No such path! {0}", self.file).to_string()))
-    }
-    // TODO(jeremy): Is this sufficent or do we want to ignore
-    // any events that come in while the command is running?
-    let lock = Arc::new(Mutex::new(false));
-    spawn_runner_thread(lock.clone(), self.cmd.to_string(), self.poll);
-    wait_for_fs_events(lock, self.method.clone(), self.file)
+        // NOTE(jwall): this is necessary because notify::fsEventWatcher panics
+        // if the path doesn't exist. :-(
+        if !Path::new(self.file).exists() {
+            return Err(CommandError::new(format!("No such path! {0}", self.file).to_string()));
+        }
+        // TODO(jeremy): Is this sufficent or do we want to ignore
+        // any events that come in while the command is running?
+        let lock = Arc::new(Mutex::new(false));
+        spawn_runner_thread(lock.clone(), self.cmd.to_string(), self.poll);
+        wait_for_fs_events(lock, self.method.clone(), self.file)
     }
 }

src/main.rs

@@ -11,7 +11,7 @@
 //  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 //  See the License for the specific language governing permissions and
 //  limitations under the License.
-//! runwhen - A utility that runs commands on user defined triggers.
+// runwhen - A utility that runs commands on user defined triggers.
 #[macro_use]
 extern crate clap;
 extern crate humantime;
@@ -44,21 +44,29 @@ fn do_flags<'a>() -> clap::ArgMatches<'a> {
             (@subcommand watch =>
              (about: "Trigger that fires when a file or directory changes.")
              // TODO(jeremy): We need to support filters
-             (@arg file: -f --file +takes_value "File/Directory to watch. (default current working directory)")
-             (@arg filetouch: --touch "Watches for attribute modifications as well as content changes.")
-             (@arg wait: --poll +takes_value "How frequently to poll for events (default 5s)")
+             (@arg file: -f --file +takes_value
+              "File/Directory to watch. (default current working directory)")
+             (@arg filetouch: --touch
+              "Watches for attribute modifications as well as content changes.")
+             (@arg wait: --poll +takes_value
+              "How frequently to poll for events (default 5s)")
             )
             (@subcommand timer =>
              (about: "Trigger that fires on a timer.")
-             (@arg duration: -t --duration +required +takes_value "Defines timer frequency.")
-             (@arg repeat: -n --repeat +takes_value "Defines an optional max number times to run on repeat.")
+             (@arg duration: -t --duration +required +takes_value
+              "Defines timer frequency.")
+             (@arg repeat: -n --repeat +takes_value
+              "Defines an optional max number times to run on repeat.")
             )
             (@subcommand success =>
              (about: "Trigger that fires if a command runs successful.")
-             (@arg ifcmd: --if +required +takes_value "The command to test for successful exit from")
-             (@arg wait: --poll +takes_value "How frequently to test command (default 5s)")
+             (@arg ifcmd: --if +required +takes_value
+              "The command to test for successful exit from")
+             (@arg wait: --poll +takes_value
+              "How frequently to test command (default 5s)")
             )
-    ).get_matches()
+    )
+        .get_matches()
 }
 
 fn main() {
@@ -78,9 +86,10 @@ fn main() {
         process = Some(Box::new(FileProcess::new(cmd, file, method, dur)));
     } else if let Some(matches) = app.subcommand_matches("timer") {
         // Unwrap because this flag is required.
-        let dur = humantime::parse_duration(matches.value_of("duration").expect("duration flag is required"));
+        let dur = humantime::parse_duration(matches.value_of("duration")
+            .expect("duration flag is required"));
         match dur {
-            Ok(duration) =>{
+            Ok(duration) => {
                 let max_repeat = if let Some(val) = matches.value_of("repeat") {
                     match u32::from_str(val) {
                         Ok(n) => Some(n),
@@ -94,7 +103,7 @@ fn main() {
                     None
                 };
                 process = Some(Box::new(TimerProcess::new(cmd, duration, max_repeat)));
-            },
+            }
             Err(msg) => {
                 println!("Malformed duration {:?}", msg);
                 process::exit(1);
@@ -103,8 +112,7 @@ fn main() {
     } else if let Some(matches) = app.subcommand_matches("success") {
         // unwrap because this is required.
         let ifcmd = matches.value_of("ifcmd").expect("ifcmd flag is required");
-        let dur = humantime::parse_duration(
-            matches.value_of("poll").unwrap_or("5s"));
+        let dur = humantime::parse_duration(matches.value_of("poll").unwrap_or("5s"));
         process = match dur {
             Ok(duration) => Some(Box::new(ExecProcess::new(ifcmd, cmd, duration))),
             Err(msg) => {
@@ -114,16 +122,18 @@ fn main() {
         }
     }
     match process {
-        Some(process) => match process.run() {
-            Ok(_) => return,
-            Err(err) => {
-                println!("{0}", err);
-                process::exit(1)
+        Some(process) => {
+            match process.run() {
+                Ok(_) => return,
+                Err(err) => {
+                    println!("{0}", err);
+                    process::exit(1)
+                }
             }
-        },
+        }
         None => {
             println!("You must specify a subcommand.");
             process::exit(1)
-        },
+        }
     }
 }

src/timer.rs

@@ -21,12 +21,16 @@ use exec::run_cmd;
 pub struct TimerProcess<'a> {
     cmd: &'a str,
     poll_duration: Duration,
-    max_repeat: Option<u32>
+    max_repeat: Option<u32>,
 }
 
 impl<'a> TimerProcess<'a> {
     pub fn new(cmd: &'a str, poll_duration: Duration, max_repeat: Option<u32>) -> TimerProcess<'a> {
-        TimerProcess{cmd: cmd, poll_duration: poll_duration, max_repeat: max_repeat}
+        TimerProcess {
+            cmd: cmd,
+            poll_duration: poll_duration,
+            max_repeat: max_repeat,
+        }
     }
 }
 
@@ -41,7 +45,9 @@ impl<'a> Process for TimerProcess<'a> {
                 println!("{:?}", err)
             }
             thread::sleep(self.poll_duration);
-            if self.max_repeat.is_some() { counter += 1 }
+            if self.max_repeat.is_some() {
+                counter += 1
+            }
         }
     }
 }