Remove default signal from clap, leave it for parse

Fixes #239

cli/src/args.rs

@@ -68,9 +68,7 @@ pub fn get_args(tagged_filterer: bool) -> Result<ArgMatches<'static>> {
 			.short("s")
 			.long("signal")
 			.takes_value(true)
-			.value_name("signal")
-			.default_value("SIGTERM")
-			.hidden(cfg!(windows)))
+			.value_name("signal"))
 		.arg(Arg::with_name("kill")
 			.help_heading(Some(OPTSET_BEHAVIOUR))
 			.hidden(true)

cli/src/filterer/globset.rs

@@ -279,48 +279,33 @@ fn os_split_leading() {
 #[test]
 fn os_strip_none() {
 	let os = OsString::from("abc");
-	assert_eq!(
-		os_strip_prefix(os, b'.'),
-		OsString::from("abc")
-	);
+	assert_eq!(os_strip_prefix(os, b'.'), OsString::from("abc"));
 }
 
 #[cfg(test)]
 #[test]
 fn os_strip_left() {
 	let os = OsString::from(".abc");
-	assert_eq!(
-		os_strip_prefix(os, b'.'),
-		OsString::from("abc")
-	);
+	assert_eq!(os_strip_prefix(os, b'.'), OsString::from("abc"));
 }
 
 #[cfg(test)]
 #[test]
 fn os_strip_not_right() {
 	let os = OsString::from("abc.");
-	assert_eq!(
-		os_strip_prefix(os, b'.'),
-		OsString::from("abc.")
-	);
+	assert_eq!(os_strip_prefix(os, b'.'), OsString::from("abc."));
 }
 
 #[cfg(test)]
 #[test]
 fn os_strip_only_left() {
 	let os = OsString::from(".abc.");
-	assert_eq!(
-		os_strip_prefix(os, b'.'),
-		OsString::from("abc.")
-	);
+	assert_eq!(os_strip_prefix(os, b'.'), OsString::from("abc."));
 }
 
 #[cfg(test)]
 #[test]
 fn os_strip_only_once() {
 	let os = OsString::from("..abc");
-	assert_eq!(
-		os_strip_prefix(os, b'.'),
-		OsString::from(".abc")
-	);
+	assert_eq!(os_strip_prefix(os, b'.'), OsString::from(".abc"));
 }

cli/tests/snapshots/help__help_unix.snap

@@ -1,5 +1,6 @@
 ---
 source: cli/tests/help.rs
+assertion_line: 16
 expression: "String::from_utf8(output.stdout).unwrap()"
 
 ---
@@ -39,8 +40,7 @@ OPTIONS:
     -w, --watch <path>...                    Watch a specific file or directory
         --force-poll <interval>              Force polling mode (interval in milliseconds)
         --shell <shell>                      Use a different shell, or `none`. E.g. --shell=bash
-    -s, --signal <signal>                    Specify the signal to send when using --on-busy-update=signal [default:
-                                             SIGTERM]
+    -s, --signal <signal>                    Specify the signal to send when using --on-busy-update=signal
 
 ARGS:
     <command>...    Command to execute

cli/tests/snapshots/help__help_windows.snap

@@ -40,6 +40,7 @@ OPTIONS:
         --force-poll <interval>              Force polling mode (interval in milliseconds)
         --shell <shell>                      Use a different shell, or `none`. Try --shell=powershell, which will become
                                              the default in 2.0.
+    -s, --signal <signal>                    Specify the signal to send when using --on-busy-update=signal
 
 ARGS:
     <command>...    Command to execute