fix bug in detecting recursive dependencies

Cargo.lock

@@ -1326,6 +1326,7 @@ version = "1.5.2"
 name = "leo-package"
 version = "1.5.2"
 dependencies = [
+ "indexmap",
  "lazy_static",
  "serde",
  "thiserror",

leo/commands/package/fetch.rs

@@ -25,8 +25,7 @@ use leo_package::root::{
 };
 
 use anyhow::{anyhow, Result};
-use indexmap::set::IndexSet;
-use std::collections::HashMap;
+use indexmap::{set::IndexSet, IndexMap};
 use structopt::StructOpt;
 use tracing::span::Span;
 
@@ -85,7 +84,7 @@ impl Fetch {
         context: Context,
         mut tree: IndexSet<String>,
         lock_file: &mut LockFile,
-        dependencies: HashMap<String, Dependency>,
+        dependencies: IndexMap<String, Dependency>,
     ) -> Result<()> {
         // Go through each dependency in Leo.toml and add it to the imports.
         // While adding, pull dependencies of this package as well and check for recursion.

package/Cargo.toml

@@ -17,6 +17,9 @@ include = [ "Cargo.toml", "src", "README.md", "LICENSE.md" ]
 license = "GPL-3.0"
 edition = "2018"
 
+[dependencies.indexmap]
+version = "1.7"
+
 [dependencies.serde]
 version = "1.0"
 features = [ "derive" ]

package/src/root/lock_file.rs

@@ -16,6 +16,7 @@
 
 use crate::{errors::LockFileError, root::Dependency};
 
+use indexmap::IndexMap;
 use serde::{Deserialize, Serialize};
 use std::{
     borrow::Cow,
@@ -43,8 +44,8 @@ pub struct Package {
     pub version: String,
     pub author: String,
     pub import_name: Option<String>,
-    #[serde(skip_serializing_if = "HashMap::is_empty", default)]
-    pub dependencies: HashMap<String, String>,
+    #[serde(skip_serializing_if = "IndexMap::is_empty", default)]
+    pub dependencies: IndexMap<String, String>,
 }
 
 impl LockFile {
@@ -125,7 +126,7 @@ impl TryFrom<&Path> for LockFile {
 
 impl Package {
     /// Fill dependencies from Leo Manifest data.
-    pub fn add_dependencies(&mut self, dependencies: &HashMap<String, Dependency>) {
+    pub fn add_dependencies(&mut self, dependencies: &IndexMap<String, Dependency>) {
         for (import_name, dependency) in dependencies.iter() {
             self.dependencies
                 .insert(import_name.clone(), Package::from(dependency).to_string());

package/src/root/manifest.rs

@@ -16,6 +16,7 @@
 
 use crate::{errors::ManifestError, package::Package};
 
+use indexmap::IndexMap;
 use serde::Deserialize;
 use std::{
     borrow::Cow,
@@ -45,7 +46,7 @@ pub struct Dependency {
 pub struct Manifest {
     pub project: Package,
     pub remote: Option<Remote>,
-    pub dependencies: Option<HashMap<String, Dependency>>,
+    pub dependencies: Option<IndexMap<String, Dependency>>,
 }
 
 impl Manifest {
@@ -53,7 +54,7 @@ impl Manifest {
         Ok(Self {
             project: Package::new(package_name)?,
             remote: author.map(|author| Remote { author }),
-            dependencies: Some(HashMap::<String, Dependency>::new()),
+            dependencies: Some(IndexMap::<String, Dependency>::new()),
         })
     }
 
@@ -81,7 +82,7 @@ impl Manifest {
         self.project.description.clone()
     }
 
-    pub fn get_package_dependencies(&self) -> Option<HashMap<String, Dependency>> {
+    pub fn get_package_dependencies(&self) -> Option<IndexMap<String, Dependency>> {
         self.dependencies.clone()
     }