perf: install env checks

script/install.d/25-terraform.sh

@@ -6,8 +6,8 @@
 #
 
 if ! command -v terraform &>/dev/null; then
-    if [[ "$OSTYPE" == "linux-gnu"* ]]; then
-        if command -v apt-get >/dev/null 2>&1; then
+    case "$DOTS_PKG" in
+        apt)
             terraform_keyring_path="/usr/share/keyrings/hashicorp-archive-keyring.gpg"
             if [[ ! -f "$terraform_keyring_path" ]]; then
                 curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo gpg --dearmor -o "$terraform_keyring_path"
@@ -17,15 +17,18 @@ if ! command -v terraform &>/dev/null; then
                 sudo tee /etc/apt/sources.list.d/hashicorp.list
             sudo apt-get update -qq &&
                 sudo apt-get install -qq terraform
-        elif command -v pacman >/dev/null 2>&1; then
+            ;;
+        pacman)
             sudo pacman -S --noconfirm terraform
-        else
+            ;;
+        brew)
+            brew tap hashicorp/tap
+            brew install hashicorp/tap/terraform
+            ;;
+        *)
             log_warn "Skipping Terraform install: no supported package manager found"
-        fi
-    elif [[ "$OSTYPE" == "darwin"* ]]; then
-        brew tap hashicorp/tap
-        brew install hashicorp/tap/terraform
-    fi
+            ;;
+    esac
 fi
 
 terraform --version