copy build.rs from jcli crate

Author: filip-dulic-bloxico

jcli-lib/build.rs

@@ -0,0 +1,19 @@
+fn main() {
+    let pkg_version = if let Ok(date) = std::env::var("DATE") {
+        format!("{}.{}", env!("CARGO_PKG_VERSION"), date)
+    } else {
+        env!("CARGO_PKG_VERSION").to_string()
+    };
+
+    println!("cargo:rustc-env=CARGO_PKG_VERSION={}", pkg_version);
+
+    let version = versionisator::Version::new(
+        env!("CARGO_MANIFEST_DIR"),
+        env!("CARGO_PKG_NAME").to_string(),
+        pkg_version,
+    );
+
+    println!("cargo:rustc-env=FULL_VERSION={}", version.full());
+    println!("cargo:rustc-env=SIMPLE_VERSION={}", version.simple());
+    println!("cargo:rustc-env=SOURCE_VERSION={}", version.hash());
+}