diff --git a/example/mlc.toml b/example/mlc.toml
index f1cc194..b1e407f 100644
--- a/example/mlc.toml
+++ b/example/mlc.toml
@@ -1,15 +1,21 @@
+[base]
 mode = "repository"
+smart_pull = true
+
+[mode.repository]
 name = "test"
 sign = false
-smart_pull = true
+build_on_update = true
 
-repo = [
+[mode.workspace]
+
+[repositories]
+name = [
 	"1::amethyst",
 	"1::jade!",
 	"2::notop-git",
 	"3::slippy-rb"
 ]
-
 urls = [
 	"https://github.com/crystal-linux/%repo%",
 	"https://aur.archlinux.org/%repo%",
diff --git a/src/internal/exit_codes.rs b/src/internal/exit_codes.rs
index 4d28575..a464d08 100644
--- a/src/internal/exit_codes.rs
+++ b/src/internal/exit_codes.rs
@@ -7,4 +7,5 @@ pub enum AppExitCode {
     RepoNotFound = 6,
     ConfigNotFound = 7,
     NoPkgs = 8,
+    ConfigParseError = 9,
 }
diff --git a/src/internal/structs.rs b/src/internal/structs.rs
index ff8b575..978eda0 100755
--- a/src/internal/structs.rs
+++ b/src/internal/structs.rs
@@ -1,37 +1,66 @@
 use serde_derive::Deserialize;
 
+//// Config structs
 #[derive(Debug, Deserialize)]
 pub struct Config {
     pub mode: String,
-    pub name: Option<String>,
+    pub name: String,
     pub sign: bool,
     pub smart_pull: bool,
+    pub build_on_update: bool,
     pub repo: Vec<Repo>,
 }
 
 #[derive(Debug, Deserialize)]
-pub struct Repo {
-    pub name: String,
-    pub url: String,
-    pub priority: usize,
+pub struct UnexpandedConfig {
+    pub base: ConfigBase,
+    pub mode: ConfigMode,
+    pub repositories: ConfigRepositories,
 }
 
 #[derive(Debug, Deserialize)]
-pub struct UnexpandedConfig {
+pub struct ConfigBase {
     pub mode: String,
-    pub name: Option<String>,
-    pub sign: bool,
     pub smart_pull: bool,
-    pub repo: Vec<String>,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct ConfigMode {
+    pub repository: ConfigModeRepository,
+    pub workspace: ConfigModeWorkspace,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct ConfigModeRepository {
+    pub name: String,
+    pub sign: bool,
+    pub build_on_update: bool,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct ConfigModeWorkspace {}
+
+#[derive(Debug, Deserialize)]
+pub struct ConfigRepositories {
+    pub name: Vec<String>,
     pub urls: Vec<String>,
 }
 
+//// Repository structs
+#[derive(Debug, Deserialize)]
+pub struct Repo {
+    pub name: String,
+    pub url: String,
+    pub priority: usize,
+}
+
 #[derive(Debug)]
 pub struct SplitRepo {
     pub indx: usize,
     pub name: String,
 }
 
+//// Build operation structs
 #[derive(Debug)]
 pub struct ErroredPackage {
     pub name: String,
diff --git a/src/main.rs b/src/main.rs
index 26aa8fc..5117a23 100755
--- a/src/main.rs
+++ b/src/main.rs
@@ -24,32 +24,48 @@ fn main() {
 
     let args: Args = Args::parse();
 
-    if Path::exists("mlc.toml".as_ref()) && Path::exists(".git".as_ref()) {
-        info!(
-            "In a git repository, pulling latest mlc.toml. It is advised you run mlc pull/update"
-        );
-        Command::new("git")
-            .arg("pull")
-            .spawn()
-            .unwrap()
-            .wait()
-            .unwrap();
-    }
-
     let exclude = &args.exclude;
     let verbose = args.verbose;
 
     if Path::exists("../.git".as_ref()) {
         info!("Parent directory is a git directory, pulling latest mlc.toml. It is advised you run mlc pull/update in all malachite directories");
+
         let dir = env::current_dir().unwrap();
         env::set_current_dir("../").unwrap();
-        Command::new("git")
-            .arg("pull")
-            .spawn()
-            .unwrap()
-            .wait()
-            .unwrap();
-        env::set_current_dir(dir).unwrap();
+        log!(verbose, "Current dir: {:?}", env::current_dir().unwrap());
+
+        if read_cfg(args.verbose).smart_pull {
+            log!(verbose, "Smart pull");
+            Command::new("git")
+                .args(&["remote", "update"])
+                .spawn()
+                .unwrap()
+                .wait()
+                .unwrap();
+            let output = Command::new("git").arg("status").output().unwrap();
+            if String::from_utf8(output.stdout)
+                .unwrap()
+                .contains("Your branch is behind")
+            {
+                Command::new("git")
+                    .arg("pull")
+                    .spawn()
+                    .unwrap()
+                    .wait()
+                    .unwrap();
+            } else {
+                info!("No changes to pull");
+            }
+        } else {
+            log!(verbose, "Normal pull");
+            Command::new("git")
+                .arg("pull")
+                .spawn()
+                .unwrap()
+                .wait()
+                .unwrap();
+            env::set_current_dir(dir).unwrap();
+        }
     }
 
     match args.subcommand.unwrap_or(Operation::Clone) {
@@ -66,7 +82,7 @@ fn main() {
                     "Cannot build packages in workspace mode"
                 )
             }
-            info!("Generating repository: {}", config.name.unwrap());
+            info!("Generating repository: {}", config.name);
             repository::generate(verbose);
         }
         Operation::Config => operations::config(verbose),
diff --git a/src/operations/pull.rs b/src/operations/pull.rs
index 849a80d..d704b94 100644
--- a/src/operations/pull.rs
+++ b/src/operations/pull.rs
@@ -4,7 +4,7 @@ use std::process::Command;
 use crate::info;
 use crate::{crash, internal::AppExitCode, log, workspace::read_cfg};
 
-fn do_the_pulling(repos: Vec<String>, verbose: bool, smart_pull: bool) {
+fn do_the_pulling(repos: Vec<String>, verbose: bool, smart_pull: bool, build_on_update: bool) {
     for repo in repos {
         // Set root dir to return after each git pull
         let root_dir = env::current_dir().unwrap();
@@ -42,6 +42,11 @@ fn do_the_pulling(repos: Vec<String>, verbose: bool, smart_pull: bool) {
                     .unwrap()
                     .wait()
                     .unwrap();
+
+                // If build_on_update is set, rebuild package
+                if build_on_update {
+                    unimplemented!()
+                }
             } else {
                 // If there are no changes, alert the user
                 info!("No changes to pull");
@@ -76,6 +81,9 @@ pub fn pull(packages: Vec<String>, exclude: Vec<String>, verbose: bool) {
     // Read smart_pull from config
     let smart_pull = config.smart_pull;
     log!(verbose, "Smart pull: {}", smart_pull);
+    // Read build_on_update from config
+    let build_on_update = config.build_on_update;
+    log!(verbose, "Build on update: {}", build_on_update);
 
     // Read repos from config
     let repos = config
@@ -105,5 +113,5 @@ pub fn pull(packages: Vec<String>, exclude: Vec<String>, verbose: bool) {
 
     // Pull!
     log!(verbose, "Pulling {:?}", repos_applicable);
-    do_the_pulling(repos_applicable, verbose, smart_pull);
+    do_the_pulling(repos_applicable, verbose, smart_pull, build_on_update);
 }
diff --git a/src/repository/repo.rs b/src/repository/repo.rs
index 9dab54a..2896a13 100644
--- a/src/repository/repo.rs
+++ b/src/repository/repo.rs
@@ -10,7 +10,7 @@ pub fn generate(verbose: bool) {
     log!(verbose, "Config: {:?}", config);
 
     // Get repository name from config
-    let name = config.name.unwrap();
+    let name = config.name;
     log!(verbose, "Name: {}", name);
 
     // If repository exists, delete it
diff --git a/src/workspace/read.rs b/src/workspace/read.rs
index 9ae9e35..7df1cb0 100755
--- a/src/workspace/read.rs
+++ b/src/workspace/read.rs
@@ -16,11 +16,20 @@ pub fn read_cfg(verbose: bool) -> Config {
 
     // Reading the config file to an UnexpandedConfig struct
     let file = fs::read_to_string("mlc.toml").unwrap();
-    let config: UnexpandedConfig = toml::from_str(&file).unwrap();
+    let config: UnexpandedConfig = toml::from_str(&file).unwrap_or_else(|e| {
+        crash!(
+            AppExitCode::ConfigParseError,
+            "Error parsing config file: {}",
+            e
+        );
+        // This is unreachable, but rustc complains about it otherwise
+        std::process::exit(1);
+    });
+
     log!(verbose, "Config file read: {:?}", config);
 
     // Crash if incorrect mode is set
-    if config.mode != "workspace" && config.mode != "repository" {
+    if config.base.mode != "workspace" && config.base.mode != "repository" {
         crash!(
             AppExitCode::InvalidMode,
             "Invalid mode in mlc.toml, must be either \"repository\" or \"workspace\""
@@ -30,7 +39,7 @@ pub fn read_cfg(verbose: bool) -> Config {
     let mut expanded_repos: Vec<Repo> = vec![];
 
     // Parsing repos from the config file
-    for x in config.repo {
+    for x in config.repositories.name {
         log!(verbose, "Parsing repo: {:?}", x);
         // Splits the repo name and index inta a SplitRepo struct
         let split: Vec<&str> = x.split("::").collect();
@@ -43,7 +52,7 @@ pub fn read_cfg(verbose: bool) -> Config {
         // Parses all necessary values for expanding the repo to a Repo struct
         let index = split_struct.indx;
         let name = split_struct.name.replace('!', "");
-        let url = config.urls[index - 1].replace("%repo%", &name);
+        let url = config.repositories.urls[index - 1].replace("%repo%", &name);
         let priority = &split_struct.name.matches('!').count();
 
         // Creates and pushes Repo struct to expanded_repos
@@ -58,10 +67,11 @@ pub fn read_cfg(verbose: bool) -> Config {
 
     // Returns parsed config file
     let conf = Config {
-        mode: config.mode,
-        sign: config.sign,
-        name: config.name,
-        smart_pull: config.smart_pull,
+        mode: config.base.mode,
+        smart_pull: config.base.smart_pull,
+        sign: config.mode.repository.sign,
+        name: config.mode.repository.name,
+        build_on_update: config.mode.repository.build_on_update,
         repo: expanded_repos,
     };
     log!(verbose, "Config: {:?}", conf);