fix: resolve path error and improve versioning error

crates/cli/src/cli.rs

@@ -51,8 +51,9 @@ fn main() -> anyhow::Result<()> {
     // Project type + Path entry
     let target_type = TargetType::ScarbProject; // by default we assume the user is in a scarb project
     let is_current_dir_scarb = env::current_dir()?.join("scarb.toml").exists();
-    let path = if is_current_dir_scarb {
-        env::current_dir()?.to_str().unwrap().trim().to_string()
+    let utf8_path = if is_current_dir_scarb {
+        let current_path = env::current_dir()?.to_str().unwrap().trim().to_string();
+        Utf8PathBuf::from(&current_path)
     } else {
         loop {
             // TODO, add TargetType::File path input here
@@ -62,22 +63,21 @@ fn main() -> anyhow::Result<()> {
                 .expect("Aborted at path input, terminating...")
                 .trim()
                 .to_string();
-            let utf8_path: Utf8PathBuf = Utf8PathBuf::from(&input_path);
-            if utf8_path.exists() {
-                break input_path;
+            let mut utf8_input_path: Utf8PathBuf = Utf8PathBuf::from(&input_path);
+            // Resolve path
+            if utf8_input_path.starts_with("~") {
+                if let Some(home) = home_dir() {
+                    let home_utf8 = Utf8PathBuf::from_path_buf(home).unwrap();
+                    utf8_input_path = home_utf8.join(utf8_input_path.strip_prefix("~").unwrap());
+                }
+            }
+            if utf8_input_path.exists() {
+                break utf8_input_path;
             } else {
                 println!("Path does not exist. Please try again.");
             }
         }
     };
-    // Resolve path
-    let mut utf8_path = Utf8PathBuf::from(&path);
-    if utf8_path.starts_with("~") {
-        if let Some(home) = home_dir() {
-            let home_utf8 = Utf8PathBuf::from_path_buf(home).unwrap();
-            utf8_path = home_utf8.join(utf8_path.strip_prefix("~").unwrap());
-        }
-    }
 
     // Start the whole process
     let _spinner_style = ProgressStyle::with_template("{prefix:.bold.dim} {spinner} {wide_msg}")

crates/cli/src/utils.rs

@@ -1,6 +1,8 @@
 use dyn_compiler::dyn_compiler::{SupportedCairoVersions, SupportedScarbVersions};
 use std::process::Command;
 
+const SCARB_VERSION_OUTPUT_LINES: usize = 3;
+
 pub fn detect_local_tools() -> (SupportedScarbVersions, SupportedCairoVersions) {
     let versioning = Command::new("scarb").arg("--version").output().expect(
         "
@@ -11,6 +13,13 @@ pub fn detect_local_tools() -> (SupportedScarbVersions, SupportedCairoVersions)
     );
 
     let versioning_str = String::from_utf8(versioning.stdout).unwrap();
+    let version_list = versioning_str
+        .split('\n')
+        .filter(|x| !x.is_empty())
+        .collect::<Vec<&str>>();
+    if version_list.len() != SCARB_VERSION_OUTPUT_LINES {
+        panic!("{}", String::from_utf8(versioning.stderr).unwrap());
+    }
     let scarb_version = versioning_str.split('\n').collect::<Vec<&str>>()[0]
         .split(" ")
         .collect::<Vec<&str>>()[1];