feat: add common_version customization (#7869)

* feat: add product name customization

* chore: update tests

src/common/version/build.rs

@@ -29,6 +29,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     let refresh = profile == "release";
 
     println!("cargo:rerun-if-env-changed=RUSTC");
+    println!("cargo:rerun-if-env-changed=GREPTIME_PRODUCT_NAME");
 
     // The "CARGO_WORKSPACE_DIR" is set manually (not by Rust itself) in Cargo config file, to
     // solve the problem where the "CARGO_MANIFEST_DIR" is not what we want when this repo is
@@ -44,6 +45,9 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     let product_version = load_product_version(&workspace_root);
     println!("cargo:rustc-env=GREPTIME_PRODUCT_VERSION={product_version}");
 
+    let product_name = load_product_name();
+    println!("cargo:rustc-env=GREPTIME_PRODUCT_NAME={product_name}");
+
     let repository = open_repository(&workspace_root);
 
     if refresh {
@@ -100,6 +104,10 @@ fn load_product_version(workspace_root: &Path) -> String {
         .unwrap_or_else(|| env::var("CARGO_PKG_VERSION").unwrap())
 }
 
+fn load_product_name() -> String {
+    env::var("GREPTIME_PRODUCT_NAME").unwrap_or_else(|_| "GreptimeDB".to_string())
+}
+
 fn emit_workspace_watch_list(
     workspace_root: &Path,
     repository: Option<&Repository>,

src/common/version/src/lib.rs

@@ -109,6 +109,10 @@ pub const fn version() -> &'static str {
     BUILD_INFO.version
 }
 
+pub const fn product_name() -> &'static str {
+    env!("GREPTIME_PRODUCT_NAME")
+}
+
 pub const fn verbose_version() -> &'static str {
     const_format::formatcp!(
         "\nbranch: {}\ncommit: {}\nclean: {}\nversion: {}",