[FIX] Only install missing packages

The `-S` flag reinstalls dependencies if they are already present on the
system, the `--needed` flag makes it so that `pacman` skips them instead

.drone.yml

@@ -7,7 +7,7 @@ steps:
     image: archlinux
     pull: always
     commands:
-      - pacman -Suy --noconfirm make git stow sudo vim tmux
+      - pacman -Suy --noconfirm --needed make git stow sudo vim tmux
       - "echo 'root ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers"
       - make link-all
       - make unlink-all

Makefile

@@ -111,7 +111,7 @@ HASKELL_DEPENDENCIES := \
 STOW_TARGET := $(HOME)
 STOW = stow -t $(STOW_TARGET) -R -v
 
-YAY := yay -S --noconfirm
+YAY := yay -S --noconfirm --needed
 
 .PHONY: all
 all: install

bootstrap.sh

@@ -24,7 +24,7 @@ done
 
 # Install pre-requisite packages for installing packages and connecting
 prerequisite() {
-    sudo pacman -Syu --noconfirm base base-devel git stow mosh jq
+    sudo pacman -Syu --noconfirm --needed base base-devel git stow mosh jq
 }
 
 # Install the yay AUR helper