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Merge pull request #615 from JanLikar/version

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Add --version switch
This commit is contained in:
Nick Cameron 2015-12-07 07:32:16 +13:00
commit 26297c56df
1 changed files with 19 additions and 0 deletions
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19
src/bin/rustfmt.rs
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@ -33,6 +33,8 @@ enum Operation {
Format(Vec<PathBuf>, WriteMode),
/// Print the help message.
Help,
// Print version information
Version,
/// Print detailed configuration help.
ConfigHelp,
/// Invalid program input, including reason.
@ -82,6 +84,7 @@ fn update_config(config: &mut Config, matches: &Matches) {
fn execute() -> i32 {
let mut opts = Options::new();
opts.optflag("h", "help", "show this message");
opts.optflag("V", "version", "show version information");
opts.optflag("v", "verbose", "show progress");
opts.optopt("",
"write-mode",
@ -111,6 +114,10 @@ fn execute() -> i32 {
print_usage(&opts, "");
0
}
Operation::Version => {
print_version();
0
}
Operation::ConfigHelp => {
Config::print_docs();
0
@ -166,6 +173,14 @@ fn print_usage(opts: &Options, reason: &str) {
println!("{}", opts.usage(&reason));
}
fn print_version() {
println!("{}.{}.{}{}",
option_env!("CARGO_PKG_VERSION_MAJOR").unwrap_or("X"),
option_env!("CARGO_PKG_VERSION_MINOR").unwrap_or("X"),
option_env!("CARGO_PKG_VERSION_PATCH").unwrap_or("X"),
option_env!("CARGO_PKG_VERSION_PRE").unwrap_or(""));
}
fn determine_operation(matches: &Matches) -> Operation {
if matches.opt_present("h") {
return Operation::Help;
@ -175,6 +190,10 @@ fn determine_operation(matches: &Matches) -> Operation {
return Operation::ConfigHelp;
}
if matches.opt_present("version") {
return Operation::Version;
}
// if no file argument is supplied, read from stdin
if matches.free.is_empty() {