src/create_hooks.rs: add a delete hooks option and create 2 new aliases

src/create_hooks.rs

+use std::fs;
 use std::fs::File;
 use std::fs::OpenOptions;
 use std::io::Write;
@@ -93,18 +94,27 @@ fn update_config_file() {
         eprintln!("Error: The file .git/config wasn't found");
         exit(19);
     }
+    let content = fs::read_to_string(&git_config).unwrap();
+    let alias = format!(
+        "{}\n\t{}\n\t{}",
+        "co = checkout -q",
+        "conh = -c core.hooksPath=/dev/null checkout",
+        "cnh = -c core.hooksPath=/dev/null commit"
+    );
+    if !content.contains(&alias) {
         let mut file = OpenOptions::new()
             .write(true)
             .append(true)
             .open(&git_config)
             .unwrap();
-    writeln!(file, "[alias]\n\tco = checkout -q").unwrap();
+        writeln!(file, "[alias]\n\t{}", alias).unwrap();
+    }
 }
 
 /// Create 2 files in `.git/hooks` folder
 ///
 /// 1. Create post-commit hook
-/// 3. Create post-checkout hook
+/// 2. Create post-checkout hook
 ///
 /// # Arguments
 /// * `compression`: The compression that will automatically be used to save the results folder (no, lz4, zstd, zlib or lzma) after a git commit
@@ -138,3 +148,25 @@ pub fn create_hooks(compression: &str, mode: &str) {
         create_file(&git_folder, fname, &content);
     }
 }
+
+/// Delete 2 hooks files in `.git/hooks` folder
+///
+/// 1. Create post-commit hook
+/// 2. Create post-checkout hook
+pub fn delete_hooks() {
+    let git_folder = get_hooks_folder();
+    let file_name = vec!["post-commit", "post-checkout"];
+    for cfile in file_name {
+        let mut hfile = git_folder.to_owned();
+        hfile.push(cfile);
+        let cmd = format!("rm {}", hfile.to_str().unwrap());
+        let output = Command::new("sh").arg("-c").arg(cmd).output().unwrap();
+        match output.status.code().unwrap() {
+            0 => (),
+            num => {
+                eprintln!("{}", String::from_utf8(output.stderr).unwrap());
+                exit(num)
+            }
+        }
+    }
+}