ksud: unify version

userspace/ksud/build.rs

@@ -0,0 +1,43 @@
+use std::env;
+use std::fs::File;
+use std::io::Write;
+use std::path::Path;
+use std::process::Command;
+
+fn get_git_version() -> (u32, String) {
+    let version_code = String::from_utf8(
+        Command::new("git")
+            .args(["rev-list", "--count", "HEAD"])
+            .output()
+            .expect("Failed to get git count")
+            .stdout,
+    )
+    .expect("Failed to read git count stdout");
+    let version_code: u32 = version_code.trim().parse().expect("Failed to parse git count");
+    let version_code = 10000 + 200 + version_code; // For historical reasons
+
+    let version_name = String::from_utf8(
+        Command::new("git")
+            .args(["describe", "--tags", "--always"])
+            .output()
+            .expect("Failed to get git version")
+            .stdout,
+    )
+    .expect("Failed to read git version stdout");
+    (version_code, version_name)
+}
+
+fn main() {
+    let (code, name)= get_git_version();
+    let out_dir = env::var("OUT_DIR").expect("Failed to get $OUT_DIR");
+    let out_dir = Path::new(&out_dir);
+    File::create(Path::new(out_dir).join("VERSION_CODE"))
+        .expect("Failed to create VERSION_CODE")
+        .write_all(code.to_string().as_bytes())
+        .expect("Failed to write VERSION_CODE");
+
+    File::create(Path::new(out_dir).join("VERSION_NAME"))
+        .expect("Failed to create VERSION_NAME")
+        .write_all(name.trim().as_bytes())
+        .expect("Failed to write VERSION_NAME");
+}