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-rw-r--r--src/options.rs9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/options.rs b/src/options.rs
index 40a7b4b..ec015f9 100644
--- a/src/options.rs
+++ b/src/options.rs
@@ -68,6 +68,8 @@ impl Options {
opts.optflag("u", "accessed", "display timestamp of last access for a file");
opts.optflag("U", "created", "display timestamp of creation for a file");
opts.optflag("x", "across", "sort multi-column view entries across");
+
+ opts.optflag("", "version", "display version of exa");
opts.optflag("?", "help", "show list of command-line options");
if xattr::feature_implemented() {
@@ -82,6 +84,9 @@ impl Options {
if matches.opt_present("help") {
return Err(Misfire::Help(opts.usage("Usage:\n exa [options] [files...]")));
}
+ else if matches.opt_present("version") {
+ return Err(Misfire::Version);
+ }
let sort_field = match matches.opt_str("sort") {
Some(word) => try!(SortField::from_word(word)),
@@ -191,6 +196,9 @@ pub enum Misfire {
/// this enum isn't named Error!
Help(String),
+ /// The user wanted the version number.
+ Version,
+
/// Two options were given that conflict with one another.
Conflict(&'static str, &'static str),
@@ -219,6 +227,7 @@ impl fmt::Display for Misfire {
match *self {
InvalidOptions(ref e) => write!(f, "{}", e),
Help(ref text) => write!(f, "{}", text),
+ Version => write!(f, "exa {}", env!("CARGO_PKG_VERSION")),
Conflict(a, b) => write!(f, "Option --{} conflicts with option {}.", a, b),
Useless(a, false, b) => write!(f, "Option --{} is useless without option --{}.", a, b),
Useless(a, true, b) => write!(f, "Option --{} is useless given option --{}.", a, b),