Merge pull request #33 from slp/fix-multiple-args

Restrict the number of values of "-p" and "-v"

Author: slp

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "krunvm"
-version = "0.2.1"
+version = "0.2.2"
 authors = ["Sergio Lopez <slp@redhat.com>"]
 description = "Create microVMs from OCI images"
 repository = "https://github.com/containers/krunvm"

Cargo.toml

@@ -195,7 +195,8 @@ fn main() {
                         .short("v")
                         .help("Volume in form \"host_path:guest_path\" to be exposed to the guest")
                         .takes_value(true)
-                        .multiple(true),
+                        .multiple(true)
+                        .number_of_values(1),
                 )
                 .arg(
                     Arg::with_name("remove-ports")
@@ -208,7 +209,8 @@ fn main() {
                         .short("p")
                         .help("Port in format \"host_port:guest_port\" to be exposed to the host")
                         .takes_value(true)
-                        .multiple(true),
+                        .multiple(true)
+                        .number_of_values(1),
                 )
                 .arg(
                     Arg::with_name("new-name")
@@ -279,15 +281,17 @@ fn main() {
                         .short("v")
                         .help("Volume in form \"host_path:guest_path\" to be exposed to the guest")
                         .takes_value(true)
-                        .multiple(true),
+                        .multiple(true)
+                        .number_of_values(1),
                 )
                 .arg(
                     Arg::with_name("port")
                         .long("port")
                         .short("p")
                         .help("Port in format \"host_port:guest_port\" to be exposed to the host")
                         .takes_value(true)
-                        .multiple(true),
+                        .multiple(true)
+                        .number_of_values(1),
                 )
                 .arg(
                     Arg::with_name("name")