Cook recipes with depedencies

src/bin/cook.rs

@@ -1090,18 +1090,37 @@ fn main() {
     let mut matching = true;
     let mut dry_run = false;
     let mut fetch_only = false;
+    let mut with_package_deps = false;
     let mut quiet = false;
     let mut recipe_names = Vec::new();
     for arg in env::args().skip(1) {
         match arg.as_str() {
             "--" if matching => matching = false,
             "-d" | "--dry-run" if matching => dry_run = true,
+            "--with-package-deps" if matching => with_package_deps = true,
             "--fetch-only" if matching => fetch_only = true,
             "-q" | "--quiet" if matching => quiet = true,
             _ => recipe_names.push(arg),
         }
     }
 
+    if with_package_deps {
+        recipe_names = match CookRecipe::get_package_deps_recursive(&recipe_names, 16) {
+            Ok(ok) => ok,
+            Err(err) => {
+                eprintln!(
+                    "{}{}cook - error:{}{} {}",
+                    style::Bold,
+                    color::Fg(color::AnsiValue(196)),
+                    color::Fg(color::Reset),
+                    style::Reset,
+                    err,
+                );
+                process::exit(1);
+            }
+        };
+    }
+
     let recipes = match CookRecipe::new_recursive(&recipe_names, 16) {
         Ok(ok) => ok,
         Err(err) => {

src/recipe.rs

@@ -175,6 +175,37 @@ impl CookRecipe {
 
         Ok(recipes)
     }
+
+    pub fn get_package_deps_recursive(names: &[String], recursion: usize) -> Result<Vec<String>, String> {
+        if recursion == 0 {
+            return Err(format!(
+                "recursion limit while processing package dependencies: {:#?}",
+                names
+            ));
+        }
+
+        let mut recipes = Vec::new();
+        for name in names {
+            let recipe = Self::new(name.clone())?;
+
+            let dependencies =
+                Self::get_package_deps_recursive(&recipe.recipe.package.dependencies, recursion - 1).map_err(
+                    |err| format!("{}: failed on loading package dependencies:\n{}", name, err),
+                )?;
+
+            for dependency in dependencies {
+                if !recipes.contains(&dependency) {
+                    recipes.push(dependency);
+                }
+            }
+
+            if !recipes.contains(&name) {
+                recipes.push(name.clone());
+            }
+        }
+
+        Ok(recipes)
+    }
 }
 
 #[cfg(test)]
@@ -216,7 +247,6 @@ mod tests {
                 },
                 package: PackageRecipe {
                     dependencies: Vec::new(),
-                    shared_deps: Vec::new(),
                 },
             }
         );
@@ -259,7 +289,6 @@ mod tests {
                 },
                 package: PackageRecipe {
                     dependencies: Vec::new(),
-                    shared_deps: Vec::new(),
                 },
             }
         );