diff --git a/src/args.rs b/src/args.rs
index ee47063..167b130 100644
--- a/src/args.rs
+++ b/src/args.rs
@@ -28,7 +28,7 @@ pub struct Args {
 #[derive(Debug, Clone, Subcommand)]
 pub enum Operation {
     /// Installs a package from either the AUR or the Pacman-defined repositories
-    #[clap(bin_name = "ame", name = "install", visible_aliases = & ["-S"])]
+    #[clap(bin_name = "ame", name = "install", visible_aliases = & ["-S"], aliases = & ["-Sa", "-Sr"])]
     Install(InstallArgs),
 
     /// Removes a previously installed package
@@ -36,11 +36,11 @@ pub enum Operation {
     Remove(RemoveArgs),
 
     /// Searches for packages matching a regex-supported pattern in the AUR and/or the repos
-    #[clap(bin_name = "ame", name = "search", visible_aliases = & ["-Ss"])]
+    #[clap(bin_name = "ame", name = "search", visible_aliases = & ["-Ss"], aliases = & ["-Ssa", "-Ssr"])]
     Search(SearchArgs),
 
     /// Queries installed packages
-    #[clap(bin_name = "ame", name = "query", visible_aliases = & ["-Q"])]
+    #[clap(bin_name = "ame", name = "query", visible_aliases = & ["-Q"], aliases = & ["-Qa", "-Qr", "-Qm", "-Qn"])]
     Query(QueryArgs),
 
     /// Gets info about a package
@@ -76,11 +76,11 @@ pub struct InstallArgs {
     #[clap(required = true)]
     pub packages: Vec<String>,
 
-    /// Installs only from the AUR
+    /// Installs only from the AUR [-Sa]
     #[clap(long, short)]
     pub aur: bool,
 
-    /// Install the packages from the pacman-defined repositories
+    /// Install the packages only from the pacman-defined repositories [-Sr]
     #[clap(long, short)]
     pub repo: bool,
 }
@@ -94,11 +94,11 @@ pub struct RemoveArgs {
 
 #[derive(Default, Debug, Clone, Parser)]
 pub struct SearchArgs {
-    /// Searches for the relevant packages in both the AUR and repos
+    /// Searches for the relevant packages in both the AUR and repos [-Ssa]
     #[clap(long, short)]
     pub aur: bool,
 
-    /// Searches only local repos for the package
+    /// Searches only pacman repos for the package [-Ssr]
     #[clap(long, short)]
     pub repo: bool,
 
diff --git a/src/main.rs b/src/main.rs
index c9043a1..e987556 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -7,6 +7,7 @@ use clap_complete::{Generator, Shell};
 use internal::commands::ShellCommand;
 use internal::error::SilentUnwrap;
 use std::fs;
+use std::env;
 use std::path::Path;
 use std::str::FromStr;
 
@@ -99,6 +100,17 @@ fn main() {
 fn cmd_install(args: InstallArgs, options: Options, cachedir: &str) {
     // Initialise variables
     let packages = args.packages;
+
+    if args.aur && args.repo {
+        crash!(
+            AppExitCode::Other,
+            "Cannot specify both --aur and --repo"
+        );
+    }
+
+    let aur = args.aur || env::args().collect::<Vec<String>>()[1] == "-Sa";
+    let repo = args.repo || env::args().collect::<Vec<String>>()[1] == "-Sr";
+
     let sorted = sort(&packages, options);
     let config = internal::config::read();
 
@@ -113,11 +125,11 @@ fn cmd_install(args: InstallArgs, options: Options, cachedir: &str) {
         );
     }
 
-    if !sorted.repo.is_empty() {
+    if !repo && !aur && !sorted.repo.is_empty() || repo && !sorted.repo.is_empty() {
         // If repo packages found, install them
         operations::install(&sorted.repo, options);
     }
-    if !sorted.aur.is_empty() {
+    if !repo && !aur && !sorted.aur.is_empty() || aur && !sorted.aur.is_empty() {
         // If AUR packages found, install them
         operations::aur_install(sorted.aur, options, cachedir);
     }
@@ -155,12 +167,12 @@ fn cmd_search(args: &SearchArgs, options: Options) {
     let query_string = args.search.join(" ");
 
     // Logic for searching
-    let both = !args.repo && !args.aur;
-    let repo = args.repo || both;
-    let aur = args.aur || both;
+    let repo = args.repo || env::args().collect::<Vec<String>>()[1] == "-Ssr";
+    let aur = args.aur || env::args().collect::<Vec<String>>()[1] == "-Ssa";
+    let both = !repo && !aur;
 
     // Start repo spinner
-    let repo_results = if repo {
+    let repo_results = if repo || both {
         let rsp = spinner!("Searching repos for {}", query_string);
 
         // Search repos
@@ -173,7 +185,7 @@ fn cmd_search(args: &SearchArgs, options: Options) {
     };
 
     // Start AUR spinner
-    let aur_results = if aur {
+    let aur_results = if aur || both {
         // Strip query of any non-alphanumeric characters
         let query_string = query_string.replace(|c: char| !c.is_alphanumeric() && c != '-', "");
 
diff --git a/src/operations/search.rs b/src/operations/search.rs
index f888a08..d8f2ffd 100644
--- a/src/operations/search.rs
+++ b/src/operations/search.rs
@@ -91,6 +91,12 @@ pub fn repo_search(query: &str, options: Options) -> String {
     // Initialise results vector
     let mut results_vec: Vec<SearchResult> = vec![];
 
+    let clone = lines.clone().collect::<Vec<&str>>();
+    if clone.len() == 1 && clone[0] == "" {
+        // If no results, return empty string
+        return "".to_string();
+    }
+
     // Iterate over lines
     for line in lines {
         let parts: Vec<&str> = line.split('\\').collect();