handle errors in editing files

src/cmd.rs

@@ -1,15 +1,18 @@
 use std::os::unix::process::CommandExt;
 use std::path::PathBuf;
-use std::process::Command;
+use std::process::{Command, ExitStatus};
 
+use anyhow::{anyhow, Result};
+
+use crate::env::get_editor;
 use crate::Package;
 
-pub fn run_edit_command(files: &[PathBuf]) {
-    let mut cmd = Command::new("nvim");
+pub fn run_edit_command(files: &[PathBuf]) -> Result<ExitStatus> {
+    let mut cmd = Command::new(get_editor()?);
     for f in files {
         cmd.arg(f.to_string_lossy().to_string());
     }
-    cmd.exec();
+    cmd.status().map_err(|e| anyhow!(e))
 }
 
 pub fn run_install_command(diff: Vec<Package>) {