diff --git a/.gitignore b/.gitignore
index 8c0d7bb..c3ab214 100755
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
 /target
 .idea
-Cargo.lock
 /pkg
 *tar*
\ No newline at end of file
diff --git a/example-mlc.toml b/example-mlc.toml
index 2ce043f..2daee34 100644
--- a/example-mlc.toml
+++ b/example-mlc.toml
@@ -2,14 +2,14 @@ mode = "repository"
 name = "test"
 
 repo = [
-	"1::ame",
+	"1::amethyst",
 	"1::jade",
 	"2::notop-git",
 	"3::slippy-rb"
 ]
 
 urls = [
-	"https://git.tar.black/crystal/%repo%",
+	"https://github.com/crystal-linux/%repo%",
 	"https://aur.archlinux.org/%repo%",
 	"https://github.com/jnats/%repo%"
 ]
@@ -18,8 +18,8 @@ urls = [
 # these packages will be expanded based on the index number they have (index_number::package)
 # to demonstrate, the ones in this config will expand to the following:
 #
-# https://git.tar.black/crystal/ame
-# https://git.tar.black/crystal/jade
+# https://github.com/crystal-linux/ame
+# https://github.com/crystal-linux/jade
 # https://aur.archlinux.org/notop-git
 # https://github.com/jnats/slippy-rb
 #
diff --git a/flake.nix b/flake.nix
index 8211a80..f72710c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -34,5 +34,7 @@
           clippy
         ];
       };
+
+      formatter = pkgs.alejandra;
     });
 }
diff --git a/src/args.rs b/src/args.rs
index c569353..fecad99 100644
--- a/src/args.rs
+++ b/src/args.rs
@@ -59,6 +59,10 @@ pub enum Operation {
         /// Pulls from all git repositories from mlc.toml branching from current directory
         #[clap(long="all", action=ArgAction::SetTrue, conflicts_with="package(s)")]
         all: bool,
+
+        /// Excludes packages from given operation
+        #[clap(short='x', long="exclude", action=ArgAction::Append, takes_value=true)]
+        exclude: Vec<String>,
     },
 
     /// Create and/or open local config file
diff --git a/src/internal/mod.rs b/src/internal/mod.rs
index 8148264..fbf1f31 100755
--- a/src/internal/mod.rs
+++ b/src/internal/mod.rs
@@ -1,4 +1,4 @@
 mod strings;
 pub mod structs;
 
-pub use strings::*;
\ No newline at end of file
+pub use strings::*;
diff --git a/src/main.rs b/src/main.rs
index 1db73ff..2249831 100755
--- a/src/main.rs
+++ b/src/main.rs
@@ -59,12 +59,13 @@ fn main() {
         Operation::Init => operations::init(),
         Operation::Build {
             packages,
-            all,
             exclude,
             no_regen,
             ..
-        } => operations::build(packages, all, exclude, no_regen),
-        Operation::Pull { packages, all, .. } => operations::pull(packages, all),
+        } => operations::build(packages, exclude, no_regen),
+        Operation::Pull {
+            packages, exclude, ..
+        } => operations::pull(packages, exclude),
         Operation::RepoGen => {
             let config = read_cfg();
             if config.mode != "repository" {
diff --git a/src/operations/build.rs b/src/operations/build.rs
index a41e7c1..18c4bda 100644
--- a/src/operations/build.rs
+++ b/src/operations/build.rs
@@ -1,10 +1,8 @@
 use crate::repository::generate;
 use crate::{crash, info, repository, workspace};
 
-pub fn build(mut packages: Vec<String>, all: bool, exclude: Vec<String>, no_regen: bool) {
-    let all = if packages.is_empty() {
-        true
-    };
+pub fn build(mut packages: Vec<String>, exclude: Vec<String>, no_regen: bool) {
+    let all = packages.is_empty();
 
     let config = workspace::read_cfg();
 
diff --git a/src/operations/pull.rs b/src/operations/pull.rs
index febc865..0cf9387 100644
--- a/src/operations/pull.rs
+++ b/src/operations/pull.rs
@@ -17,10 +17,8 @@ fn do_the_pulling(packages: Vec<String>) {
     }
 }
 
-pub fn pull(packages: Vec<String>, all: bool) {
-    let all = if packages.is_empty() {
-        true
-    };
+pub fn pull(packages: Vec<String>, exclude: Vec<String>) {
+    let all = packages.is_empty();
     if all {
         let stdout = Command::new("ls").arg("-1").output().unwrap().stdout;
         let dirs_string = String::from_utf8_lossy(&stdout);
@@ -28,6 +26,10 @@ pub fn pull(packages: Vec<String>, all: bool) {
         let mut dirs = dirs_string.lines().collect::<Vec<&str>>();
 
         dirs.retain(|x| *x != "mlc.toml");
+        for x in exclude {
+            dirs.retain(|y| *y != x);
+        }
+
         let dirs_mapped = dirs.iter().map(|x| x.to_string()).collect();
 
         do_the_pulling(dirs_mapped);