Add installation commands

src/util/install.py

@@ -0,0 +1,24 @@
+from src.util import command
+
+
+class Install:
+    def is_installed(package: str) -> bool:
+        """Check if the package is already installed in the system"""
+        return_code = command.get_return_code(f"pacman -Qi {package}")
+        return return_code != 1
+
+    def upgrade_pacman() -> None:
+        """Run full sync, refresh the package database and upgrade."""
+        command.execute("pacman -Syu")
+
+    def pacman_install(package: str) -> None:
+        """Install given `package`"""
+        command.execute(f"pacman -S {package}")
+
+    def yay_install(package: str) -> None:
+        """Install give package via `yay` (from AUR)"""
+        command.execute(f"yay -S {package}")
+
+    def git_install(url: str) -> None:
+        """Clone a git repository with given `url`"""
+        command.execute(f"git clone {url}")