Call programs from full and relative paths

Allow user to input a fullpath or relative path to a file that should be
forked to.

1 files changed, 15 insertions, 9 deletions

diff --git a/src/main.rs b/src/main.rs
index 5f73a15..7fc8991 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,6 +2,7 @@ use ctrlc;
 use std::fs;
 use std::io;
 use std::io::Write;
+use std::path::Path;
 use std::process::Command;
 
 fn eval(paths: &[&str], prompt: &str) {
@@ -42,7 +43,7 @@ fn eval(paths: &[&str], prompt: &str) {
 
         // Parse command and arguments
         let mut split = input.split(' ');
-        let cmd = match split.next() {
+        let mut cmd = match split.next() {
             Some(str) if str.trim().is_empty() => continue,
             Some(str) => str.trim(),
             None => continue,
@@ -74,14 +75,19 @@ fn eval(paths: &[&str], prompt: &str) {
             }
         }
 
-        // Check if the command exists
-        let cmd = match bins.iter().find(|b| b.split("/").last().unwrap() == cmd) {
-            Some(cmd) => cmd,
-            None => {
-                println!("Command not found");
-                continue;
-            }
-        };
+        // Check if the file exists, if given a pull or relative path
+        // TODO: Check if file at the path is executable (i.e. +x)
+        if !Path::new(cmd).exists() {
+            // Check if the command exists in $PATH if a full or relative path
+            // was not given, or if the path does not exist
+            cmd = match bins.iter().find(|b| b.split("/").last().unwrap() == cmd) {
+                Some(cmd) => cmd,
+                None => {
+                    println!("Command not found");
+                    continue;
+                }
+            };
+        }
 
         // Run the command (and wait for it to finish)
         let mut child = match Command::new(cmd).args(args).spawn() {