add uninstall support

Cargo.lock

@@ -197,7 +197,7 @@ checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
 
 [[package]]
 name = "curze"
-version = "0.1.1"
+version = "0.2.0"
 dependencies = [
  "clap",
  "home",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "curze"
-version = "0.1.1"
+version = "0.2.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

src/main.rs

@@ -19,6 +19,11 @@ enum Commands {
         /// Packages to install.
         name: Vec<String>,
     },
+    /// Uninstalls a list of packages.
+    Uninstall {
+        /// Packages to uninstall.
+        name: Vec<String>,
+    },
 }
 
 fn main() {
@@ -34,6 +39,15 @@ fn main() {
                 }
             }
         }
+        Some(Commands::Uninstall { name }) => {
+            if name.is_empty() {
+                println!("EROR: No packages named for uninstall.");
+            } else {
+                for package in name {
+                    uninstall_package(package.to_string());
+                }
+            }
+        }
         None => {println!("NOTE: Run curze help for subcommands and options.")}
     }
 }
@@ -81,7 +95,7 @@ fn install_package(package: String) {
                                     .current_dir(format!("{}/.local/share/curze/cache/{}", home, realised_name))
                                     .output();
             if result_of_install.is_ok() {
-                fs::copy(format!("{}/.local/share/curze/cache/{}/.curze/version", home, realised_name), format!("{}/.local/share/curze/{}.version", home, realised_name));
+                let _ = fs::copy(format!("{}/.local/share/curze/cache/{}/.curze/version", home, realised_name), format!("{}/.local/share/curze/{}.version", home, realised_name));
                 println!("NOTE: {} successfully installed!", package);
             } else {
                 println!("EROR: Installation failed!");
@@ -94,6 +108,47 @@ fn install_package(package: String) {
     }
 }
 
+fn uninstall_package(package: String) {
+    println!("NOTE: Preparing to uninstall {}.", package);
+
+    let realised_name = package.clone().replace("/",".");
+    let home_out = fetch_home_dir();
+    let home;
+    if home_out.is_some() {
+        home = home_out.unwrap().clone();
+    } else {
+        println!("EROR: Your home directory could not be found. Installation halted.");
+        return;
+    }
+
+    if Path::new(&format!("{}/.local/share/curze/{}.version", home, realised_name)).exists() {
+        if Path::new(&format!("{}/.local/share/curze/cache/{}/", home, realised_name)).exists() { }
+        else {
+            println!("NOTE: Local copy of package doesn't exist. Pulling now.");
+            let cache_result = handle_package_cache(package.clone());
+            if cache_result {}
+            else {
+                println!("EROR: Local copy of package cannot be obtained. Uninstallation halted.");
+                return;
+            }
+        }
+        println!("NOTE: Uninstalling {}.", package);
+        let result_of_uninstall = Command::new("sh")
+                                .arg("-c")
+                                .arg(".curze/uninstall.sh")
+                                .current_dir(format!("{}/.local/share/curze/cache/{}", home, realised_name))
+                                .output();
+        if result_of_uninstall.is_ok() {
+            let _ = fs::remove_file(format!("{}/.local/share/curze/{}.version", home, realised_name));
+            println!("NOTE: {} successfully uninstalled!", package);
+        } else {
+            println!("EROR: Uninstallation failed!");
+        }
+    } else {
+        println!("EROR: {} is not installed! Uninstallation halted!", package);
+    }
+}
+
 fn handle_package_cache(package: String) -> bool {
     let realised_name = package.clone().replace("/",".");
     let home_out = fetch_home_dir();