feat(cli): add "current"

allow viewing of current git user
todo: clean up the awful code in main

src/cli.rs

@@ -13,6 +13,7 @@ pub enum Commands {
     Use(UseArgs),
     Add(AddArgs),
     Remove(RemoveArgs),
+    Current(CurrentArgs),
 }
 
 #[derive(Debug, Args)]
@@ -35,3 +36,9 @@ pub struct AddArgs {
 pub struct RemoveArgs {
     pub profile_name: String,
 }
+
+#[derive(Debug, Args)]
+pub struct CurrentArgs {
+    #[arg(short, long)]
+    pub global: bool,
+}

src/main.rs

@@ -35,9 +35,17 @@ fn main() {
             }
 
             let profile = profile.unwrap();
-            let global = if args.global { "--global" } else { "" };
-            utils::run_command("git", &["config", "user.name", &profile.username, global]);
-            utils::run_command("git", &["config", "user.email", &profile.email, global]);
+
+            utils::run_command(
+                "git",
+                &add_global_if(&["config", "user.name", &profile.username], args.global),
+            )
+            .expect("command failed");
+            utils::run_command(
+                "git",
+                &add_global_if(&["config", "user.email", &profile.email], args.global),
+            )
+            .expect("command failed");
         }
         Commands::Add(args) => {
             let mut profiles = config::get_profile_list().expect("unable to get list of profiles");
@@ -64,5 +72,28 @@ fn main() {
             config::write_profile_list(profiles).expect("unable to write profile file");
             println!("profile removed")
         }
+        Commands::Current(args) => {
+            let mut name =
+                utils::run_command("git", &add_global_if(&["config", "user.name"], args.global))
+                    .expect("command failed");
+            let mut email = utils::run_command(
+                "git",
+                &add_global_if(&["config", "user.email"], args.global),
+            )
+            .expect("command failed");
+
+            name.pop();
+            email.pop();
+
+            println!("current user: {} ({})", name, email);
+        }
     }
 }
+
+fn add_global_if<'a>(args: &[&'a str], global: bool) -> Vec<&'a str> {
+    let mut result = args.to_vec();
+    if global {
+        result.insert(1, "--global");
+    }
+    result
+}

src/utils.rs

@@ -1,10 +1,16 @@
 use std::process::Command;
 
-pub fn run_command(command: &str, args: &[&str]) {
-    let mut child = Command::new(command)
+pub fn run_command(command: &str, args: &[&str]) -> Result<String, String> {
+    let child = Command::new(command)
         .args(args)
-        .spawn()
+        .output()
         .expect("failed to execute process");
 
-    let _ = child.wait().expect("failed to wait on child");
+    if child.status.success() {
+        let stdout = String::from_utf8(child.stdout).unwrap();
+        Ok(stdout.to_owned())
+    } else {
+        let stderr = String::from_utf8(child.stderr).unwrap();
+        Err(stderr)
+    }
 }