feat(#197): --version, -v

cli/src/args.rs

@@ -19,18 +19,17 @@
 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 // SOFTWARE.
-use clap::{Parser, Subcommand};
+use clap::{ArgAction, Parser, Subcommand};
 
 // @todo #41:15min Add --report argument.
 // Let's add --report option for generating reports in desired formats:
 // We should support following formats: xml, tex, and txt. User should have
 // ability to generate report in multiple formats as well: --report tex,xml,txt.
-// @todo #79:25min Add --v option for verbose output.
-// Let's add --v option for verbose output and debug logs. When this option is
-// passed, we should show debug logs too.
 #[derive(Parser, Debug)]
-#[command(name = "fakehub")]
+#[command(name = "fakehub", version = env!("CARGO_PKG_VERSION"))]
 pub(crate) struct Args {
+ #[arg(short = 'v', action = ArgAction::Version)]
+ v: Option<bool>,
  #[command(subcommand)]
  pub(crate) command: Command,
 }

cli/tests/integration_test.rs

@@ -45,6 +45,25 @@ mod tests {
  Ok(())
  }
 
+ #[tag("deep")]
+ #[test]
+ fn outputs_version() -> Result<()> {
+ let assertion = Command::cargo_bin("fakehub")?.arg("--version").assert();
+ let bytes = assertion.get_output().stdout.as_slice();
+ let output = str::from_utf8(bytes)?;
+ assert!(output.contains(env!("CARGO_PKG_VERSION")));
+ Ok(())
+ }
+
+ #[test]
+ fn outputs_version_from_short() -> Result<()> {
+ let assertion = Command::cargo_bin("fakehub")?.arg("-v").assert();
+ let bytes = assertion.get_output().stdout.as_slice();
+ let output = str::from_utf8(bytes)?;
+ assert!(output.contains(env!("CARGO_PKG_VERSION")));
+ Ok(())
+ }
+
  #[tag("deep")]
  #[test]
  fn outputs_start_opts() -> Result<()> {