src/remote.rs: add a function to check remote paths

src/remote.rs

@@ -138,11 +138,46 @@ pub fn show() -> () {
     display_remotes(dic_remote);
 }
 
+/// Turn a remote URL into an absolute path if located in the current
+/// filesystem
+///
+/// # Arguments
+/// - `url`: The URL to canonicalize or not
+fn add_url(url: String) -> String {
+    let tmp = url.split(":").collect::<Vec<&str>>();
+    if tmp.len() == 1 {
+        let path = PathBuf::from(&url);
+        if !path.is_dir() {
+            eprintln!("{}: The local path {} is not a directory !", "error".red(), &url.yellow());
+            exit(1);
+        }
+        path.canonicalize().unwrap().to_str().unwrap().to_string()
+    } else if tmp.len() == 2 && tmp.get(0).unwrap() == &"file" {
+        let path = PathBuf::from(tmp.get(1).unwrap());
+        if !path.is_dir() {
+            eprintln!("{}: The local path {} is not a directory !", "error".red(), &url.yellow());
+            exit(1);
+        }
+        path.canonicalize().unwrap().to_str().unwrap().to_string()
+    } else if tmp.len() == 2 {
+        let tmp_url = tmp.get(1).unwrap();
+        if !tmp_url.starts_with("/") {
+            eprintln!("{}: The remote path {} must be absolute !", "error".red(), &url.yellow());
+            exit(1);
+        }
+        url
+    } else {
+        eprintln!("{}: The path {} is not well defined !", "error".red(), &url.yellow());
+        exit(1);
+    }
+}
+
+
 /// Function that update the current gblk config file for the project folder
 /// # Arguments
 /// - `key` : The remote name to update
 /// - `value`: The value of the key to update
-/// - `global: A bolean indicating whether to update the  global or the local configuration
+/// - `global`: A bolean indicating whether to update the  global or the local configuration
 pub(crate) fn update_config(key: &str, value: &str, global: bool) -> () {
     let mut my_config = parse_config(global);
     let mut remotes = match my_config.gblk_remote {
@@ -152,14 +187,14 @@ pub(crate) fn update_config(key: &str, value: &str, global: bool) -> () {
     let mut updated = false;
     for r in remotes.iter_mut() {
         if r.name == key {
-            r.url = value.to_owned();
+            r.url = add_url(value.to_owned());
             updated = true;
         }
     }
     if !updated {
         remotes.push(RemoteConfig {
             name: key.to_owned(),
-            url: value.to_owned(),
+            url: add_url(value.to_owned()),
         })
     }
     my_config.gblk_remote = Some(remotes);