Rebuild common on version change

Do not fetch library updates with xtask publish

alvr/common/build.rs

@@ -1,10 +1,10 @@
 use std::{fs, path::Path};
 
 fn get_version(dir_name: &str) -> String {
-    let cargo_data = toml::from_slice::<toml::Value>(
-        &fs::read(Path::new("..").join(dir_name).join("Cargo.toml")).unwrap(),
-    )
-    .unwrap();
+    let cargo_path = Path::new("..").join(dir_name).join("Cargo.toml");
+    println!("cargo:rerun-if-changed={}", cargo_path.to_string_lossy());
+
+    let cargo_data = toml::from_slice::<toml::Value>(&fs::read(cargo_path).unwrap()).unwrap();
 
     cargo_data["package"]["version"].as_str().unwrap().into()
 }

alvr/xtask/src/main.rs

@@ -1,10 +1,12 @@
 use fs_extra::{self as fsx, dir as dirx};
 use pico_args::Arguments;
 use std::{
+    env,
     error::Error,
     fs,
+    io::{Read, Write},
     path::{Path, PathBuf},
-    process::{Command, Stdio}, io::{Write, Read}, env,
+    process::{Command, Stdio},
 };
 
 const HELP_STR: &str = r#"
@@ -169,7 +171,7 @@ fn zip_dir(dir: &Path) -> BResult {
     Ok(())
 }
 
-pub fn build_server(is_release: bool) -> BResult {
+pub fn build_server(is_release: bool, fetch_crates: bool) -> BResult {
     let build_type = if is_release { "release" } else { "debug" };
     let build_flag = if is_release { "--release" } else { "" };
 
@@ -182,7 +184,9 @@ pub fn build_server(is_release: bool) -> BResult {
     reset_server_build_folder()?;
     fs::create_dir_all(&driver_dst_dir)?;
 
-    run("cargo update")?;
+    if fetch_crates {
+        run("cargo update")?;
+    }
 
     run(&format!(
         "cargo build -p alvr_server_driver -p alvr_web_server -p alvr_server_bootstrap {}",
@@ -264,7 +268,7 @@ pub fn build_client(is_release: bool) -> BResult {
 }
 
 pub fn build_publish() -> BResult {
-    build_server(true)?;
+    build_server(true, false)?;
     build_client(true)?;
     zip_dir(&server_build_dir())?;
 
@@ -312,7 +316,7 @@ fn main() {
 
         if args.finish().is_ok() {
             match subcommand.as_str() {
-                "build-server" => ok_or_exit(build_server(is_release)),
+                "build-server" => ok_or_exit(build_server(is_release, true)),
                 "build-client" => ok_or_exit(build_client(is_release)),
                 "publish" => ok_or_exit(build_publish()),
                 "clean" => remove_build_dir(),