Show Git SHA information when printing version information (#120)

Cargo.lock

@@ -1529,6 +1529,7 @@ dependencies = [
  "unicode-segmentation",
  "unicode-width",
  "url",
+ "vergen",
 ]
 
 [[package]]
@@ -3135,6 +3136,12 @@ dependencies = [
  "base64 0.21.0",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f3208ce4d8448b3f3e7d168a73f5e0c43a61e32930de3bceeccedb388b6bf06"
+
 [[package]]
 name = "ryu"
 version = "1.0.13"
@@ -3974,6 +3981,17 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
 
+[[package]]
+name = "vergen"
+version = "8.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b3c89c2c7e50f33e4d35527e5bf9c11d6d132226dbbd1753f0fbe9f19ef88c6"
+dependencies = [
+ "anyhow",
+ "rustversion",
+ "time 0.3.20",
+]
+
 [[package]]
 name = "version_check"
 version = "0.9.4"

Cargo.toml

@@ -12,6 +12,12 @@ exclude = [".github", "CONTRIBUTING.md"]
 keywords = ["matrix", "chat", "tui", "vim"]
 categories = ["command-line-utilities"]
 rust-version = "1.66"
+build = "build.rs"
+
+[build-dependencies.vergen]
+version = "8"
+default-features = false
+features = ["build", "git", "gitcl",]
 
 [dependencies]
 arboard = "3.2.0"

build.rs

@@ -0,0 +1,7 @@
+use std::error::Error;
+use vergen::EmitBuilder;
+
+fn main() -> Result<(), Box<dyn Error>> {
+    EmitBuilder::builder().git_sha(true).emit()?;
+    Ok(())
+}

src/config.rs

@@ -89,8 +89,13 @@ fn validate_profile_names(names: &HashMap<String, ProfileConfig>) {
     }
 }
 
+const VERSION: &str = match option_env!("VERGEN_GIT_SHA") {
+    None => env!("CARGO_PKG_VERSION"),
+    Some(_) => concat!(env!("CARGO_PKG_VERSION"), " (", env!("VERGEN_GIT_SHA"), ")"),
+};
+
 #[derive(Parser)]
-#[clap(version, about, long_about = None)]
+#[clap(version = VERSION, about, long_about = None)]
 #[clap(propagate_version = true)]
 pub struct Iamb {
     #[clap(short = 'P', long, value_parser)]

src/windows/mod.rs

@@ -538,7 +538,7 @@ impl Window<IambInfo> for IambWindow {
                     title.into(),
                 ];
                 Spans(v)
-            }
+            },
         }
     }