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CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Version output displays `git` revision information.
+
 ## [0.3.0] - 2020-03-30
 
 ### Added

build.rs

@@ -0,0 +1,14 @@
+fn main() {
+    let git_describe = std::process::Command::new("git")
+        .args(&["describe", "--tags", "--broken"])
+        .output()
+        .ok()
+        .and_then(|proc| String::from_utf8(proc.stdout).ok());
+
+    let version_info = match git_describe {
+        Some(description) if !description.is_empty() => description,
+        _ => format!("v{}-unknown", env!("CARGO_PKG_VERSION")),
+    };
+
+    println!("cargo:rustc-env=ZOXIDE_VERSION={}", version_info);
+}

src/main.rs

@@ -8,7 +8,7 @@ use anyhow::Result;
 use structopt::StructOpt;
 
 #[derive(Debug, StructOpt)]
-#[structopt(about = "A cd command that learns your habits")]
+#[structopt(about = "A cd command that learns your habits", version = env!("ZOXIDE_VERSION"))]
 enum Zoxide {
     Add(subcommand::Add),
     Import(subcommand::Import),