From d63bedda7c9197e23e24f5340f6f80a2a4981296 Mon Sep 17 00:00:00 2001
From: Anthony Foxclaw <35226681+tonytins@users.noreply.github.com>
Date: Fri, 7 Feb 2020 00:02:43 -0500
Subject: [PATCH] Added version to REPL

---
 Cargo.lock  | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml  |  2 ++
 src/repl.rs | 22 +++++++++++++++++-
 3 files changed, 87 insertions(+), 1 deletion(-)

diff --git a/Cargo.lock b/Cargo.lock
index ffe0633..5307978 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,3 +3,67 @@
 [[package]]
 name = "corten"
 version = "0.1.0"
+dependencies = [
+ "metacrate",
+ "rbtag",
+]
+
+[[package]]
+name = "metacrate"
+version = "0.1.0"
+source = "git+https://github.com/tonytins/metacrate#efab304454bd48946d52efa0912b65898f37b1c9"
+
+[[package]]
+name = "proc-macro2"
+version = "0.4.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
+name = "quote"
+version = "0.6.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "rbtag"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72c64936fcc0b811890a9d90020f3df5cec9c604efde88af7db6a35d365132a3"
+dependencies = [
+ "rbtag_derive",
+]
+
+[[package]]
+name = "rbtag_derive"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b75511b710ccca8adbb211e04763bd8c78fed585b0ec188a20ed9b0dd95567c4"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "syn"
+version = "0.15.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
+[[package]]
+name = "unicode-xid"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
diff --git a/Cargo.toml b/Cargo.toml
index 2c0b105..f65c093 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,3 +7,5 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+rbtag = "0.3"
+metacrate = { git = "https://github.com/tonytins/metacrate" }
\ No newline at end of file
diff --git a/src/repl.rs b/src/repl.rs
index fe470ca..b85c0c6 100644
--- a/src/repl.rs
+++ b/src/repl.rs
@@ -4,6 +4,21 @@ use std::num::ParseIntError;
 use std::io::Write;
 
 use crate::vm::VM;
+use metacrate::crate_version;
+use rbtag::{BuildDateTime, BuildInfo};
+
+#[derive(BuildDateTime, BuildInfo)]
+struct BuildTag;
+
+/// Remove "-clean" from the commit id
+fn normalize_commit_id(id: &str) -> String {
+    let clean_stat = "-clean";
+
+    match id.contains(clean_stat) {
+        true => id.replace(clean_stat, ""),
+        false => id.to_string(),
+    }
+}
 
 pub struct REPL {
     command_buffer: Vec<String>,
@@ -21,7 +36,12 @@ impl REPL {
     /// Runs a similar VM execution loop but the instructions are taken from
     /// the user directly at the terminal and not from pre-compiled byte code
     pub fn run(&mut self) {
-        println!("Welcome to the Corten REPL");
+        let ver_id = format!(
+            "{}+{}",
+            crate_version!(),
+            normalize_commit_id(BuildTag {}.get_build_commit())
+        );
+        println!("Corten {}", ver_id);
         loop {
             // Allocates a new string in which to store the user types each iteration
             let mut buffer = String::new();