feat: use config json

src/main.rs

@@ -11,32 +11,38 @@ use std::path::{Path, PathBuf};
 use rust_util::util_file;
 pub use docker_util::DockerCmd;
 
-const MIRROR_USTC: &str = "git://mirrors.ustc.edu.cn/crates.io-index";
-
 fn main() {
     information!("dockerbuild v0.1");
 
-    let docker_image = "rust:1.47";
+    let docker_build_config = config::load_docker_build_config().expect("Read config failed, not found or parse error!");
+    let docker_image = &docker_build_config.image.expect("Image is not configed in config file!");
 
     let docker_registry_path_buf =get_resolved_docker_registry(docker_image).expect("Cannot find $HOME !");
     let docker_registry = docker_registry_path_buf.to_str().expect("Cannot find $HOME !!");
 
-    let p = Path::new(&docker_registry);
-    if !p.exists() {
-        if let Err(e) = fs::create_dir_all(&docker_registry) {
-            failure!("Create dir failed: {:?}, error: {}", p, e);
-            return;
-        }
-    }
+    check_docker_registry_exists(&docker_registry).expect("Check docker registry exists failed!");
 
     let args_iter = env::args().skip(1);
     let args = args_iter.map(|a| a.to_owned()).collect::<Vec<_>>();
     let mut docker_cmd = DockerCmd::new(docker_image);
-    docker_cmd.add_volumn(docker_registry, "/usr/local/cargo/registry")
-              .mirror(MIRROR_USTC);
+    docker_cmd.add_volumn(docker_registry, "/usr/local/cargo/registry");
+    if let Some(mirror) = &docker_build_config.mirror {
+        docker_cmd.mirror(mirror);
+    }
     docker_cmd.exec(&args).unwrap();
 }
 
+fn check_docker_registry_exists(docker_registry: &str) -> Option<()> {
+    let p = Path::new(docker_registry);
+    if !p.exists() {
+        if let Err(e) = fs::create_dir_all(&docker_registry) {
+            failure!("Create dir failed: {:?}, error: {}", p, e);
+            return None;
+        }
+    }
+    Some(())
+}
+
 fn get_resolved_docker_registry(image: &str) -> Option<PathBuf> {
     util_file::get_absolute_path(&get_docker_registry(image))
 }