perf: install env checks

script/install.d/50-redis.sh

@@ -6,8 +6,8 @@
 #
 
 if ! command -v redis-cli &>/dev/null; then
-    if [[ "$OSTYPE" == "linux-gnu"* ]]; then
-        if command -v apt-get >/dev/null 2>&1; then
+    case "$DOTS_PKG" in
+        apt)
             redis_keyring_path="/usr/share/keyrings/redis-archive-keyring.gpg"
             if [[ ! -f "$redis_keyring_path" ]]; then
                 curl -fsSL https://packages.redis.io/gpg | sudo gpg --dearmor -o "$redis_keyring_path"
@@ -15,14 +15,17 @@ if ! command -v redis-cli &>/dev/null; then
             echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $(lsb_release -cs) main" \
                 | sudo tee /etc/apt/sources.list.d/redis.list > /dev/null
             sudo apt-get install -qq redis
-        elif command -v pacman >/dev/null 2>&1; then
+            ;;
+        pacman)
             sudo pacman -S --noconfirm redis
-        else
+            ;;
+        brew)
+            brew install redis
+            ;;
+        *)
             log_warn "Skipping Redis install: no supported package manager found"
-        fi
-    elif [[ "$OSTYPE" == "darwin"* ]]; then
-        brew install redis
-    fi
+            ;;
+    esac
 fi
 
 redis-cli --version