add version command

src/commands/mod.rs

@@ -7,6 +7,7 @@ mod gambling;
 mod eval;
 pub mod self_roles;
 mod settings;
+mod version;
 
 use crate::common::{Data, Error, Context};
 
@@ -35,5 +36,6 @@ pub fn commands() -> Vec<Command<Data, Error>> {
         eval::eval(),
         self_roles::role(),
         settings::setting(),
+        version::version(),
     ]
 }

src/commands/version.rs

@@ -0,0 +1,8 @@
+use crate::common::{Context, Error};
+
+/// Tells you the current version of BigBirb
+#[poise::command(slash_command, prefix_command)]
+pub async fn version(ctx: Context<'_>) -> Result<(), Error> {
+    ctx.reply(format!("version {} ({}/{})", env!("CARGO_PKG_VERSION"), env!("GIT_BRANCH"), env!("GIT_HASH"))).await?;
+    Ok(())
+}