Allow installer to work directly without saving

installer.sh

@@ -1,84 +1,92 @@
 #!/usr/bin/env bash
-set -e
 
-BINARY_NAME="crib"
-VERSION="v0.0.1-alpha"
+shopt -s extglob
+set -o errtrace
+set -o errexit
+set -o pipefail
 
-if [ -z "$RUBY_VERSION" ]; then
-  if ldconfig -p | grep -q libruby.so.3.4; then
-    HAVE_34=1
-  fi
-  if ldconfig -p | grep -q libruby-3.2.so; then
-    HAVE_32=1
-  fi
+install() {
+  BINARY_NAME="crib"
+  VERSION="v0.0.1-alpha"
 
-  if [ "$HAVE_34" = "1" ] && [ "$HAVE_32" = "1" ]; then
-    echo "Multiple Ruby versions detected."
-    echo "Select Ruby ABI:"
-    echo "  1) Ruby 3.4"
-    echo "  2) Ruby 3.2"
-    read -r choice
-    case "$choice" in
-    1) RUBY_VERSION="3.4" ;;
-    2) RUBY_VERSION="3.2" ;;
-    *)
-      echo "Invalid choice"
+  if [ -z "$RUBY_VERSION" ]; then
+    if ldconfig -p | grep -q libruby.so.3.4; then
+      HAVE_34=1
+    fi
+    if ldconfig -p | grep -q libruby-3.2.so; then
+      HAVE_32=1
+    fi
+
+    if [ "$HAVE_34" = "1" ] && [ "$HAVE_32" = "1" ]; then
+      echo "Multiple Ruby versions detected."
+      echo "Select Ruby ABI:"
+      echo "  1) Ruby 3.4"
+      echo "  2) Ruby 3.2"
+      read -r choice
+      case "$choice" in
+      1) RUBY_VERSION="3.4" ;;
+      2) RUBY_VERSION="3.2" ;;
+      *)
+        echo "Invalid choice"
+        exit 1
+        ;;
+      esac
+    elif [ "$HAVE_34" = "1" ]; then
+      RUBY_VERSION="3.4"
+    elif [ "$HAVE_32" = "1" ]; then
+      RUBY_VERSION="3.2"
+    else
+      echo "No compatible Ruby library found need Ruby 3.2 or 3.4."
       exit 1
-      ;;
-    esac
-  elif [ "$HAVE_34" = "1" ]; then
-    RUBY_VERSION="3.4"
-  elif [ "$HAVE_32" = "1" ]; then
-    RUBY_VERSION="3.2"
-  else
-    echo "No compatible Ruby library found need Ruby 3.2 or 3.4."
+    fi
+  fi
+
+  GITHUB_URL="https://github.com/SyedM-dev/crib/releases/download/$VERSION/crib-linux-x86_64-ruby$RUBY_VERSION"
+
+  missing=()
+  command -v ruby >/dev/null 2>&1 || missing+=("ruby")
+  ldconfig -p | grep libmagic >/dev/null 2>&1 || missing+=("libmagic")
+
+  if [ ${#missing[@]} -ne 0 ]; then
+    echo "Missing dependencies: ${missing[*]}"
+    echo "Install them using your package manager:"
+    echo "Ubuntu/Debian: sudo apt install ruby libmagic1"
+    echo "Arch: sudo pacman -S ruby file"
+    echo "Void: sudo xbps-install -Sy ruby file"
     exit 1
   fi
-fi
 
-GITHUB_URL="https://github.com/SyedM-dev/crib/releases/download/$VERSION/crib-linux-x86_64-ruby$RUBY_VERSION"
+  echo "Installing Crib (Ruby $RUBY_VERSION)"
 
-missing=()
-command -v ruby >/dev/null 2>&1 || missing+=("ruby")
-ldconfig -p | grep libmagic >/dev/null 2>&1 || missing+=("libmagic")
+  echo "Install locally ~/.local/bin or globally /usr/bin? [l/g]"
+  read -r choice
+  case "$choice" in
+  l | L)
+    INSTALL_DIR="$HOME/.local/bin"
+    SUDO=""
+    ;;
+  g | G)
+    INSTALL_DIR="/usr/bin"
+    SUDO="sudo"
+    ;;
+  *)
+    echo "Invalid choice"
+    exit 1
+    ;;
+  esac
 
-if [ ${#missing[@]} -ne 0 ]; then
-  echo "Missing dependencies: ${missing[*]}"
-  echo "Install them using your package manager:"
-  echo "Ubuntu/Debian: sudo apt install ruby libmagic1"
-  echo "Arch: sudo pacman -S ruby file"
-  echo "Void: sudo xbps-install -Sy ruby file"
-  exit 1
-fi
+  $SUDO mkdir -p "$INSTALL_DIR"
 
-echo "Installing Crib (Ruby $RUBY_VERSION)"
+  echo "Downloading binary..."
+  curl -L "$GITHUB_URL" -o /tmp/"$BINARY_NAME"
+  $SUDO install -m 755 /tmp/"$BINARY_NAME" "$INSTALL_DIR/$BINARY_NAME"
+  rm -f /tmp/"$BINARY_NAME"
 
-echo "Install locally ~/.local/bin or globally /usr/bin? [l/g]"
-read -r choice
-case "$choice" in
-(l | L)
-  INSTALL_DIR="$HOME/.local/bin"
-  SUDO=""
-  ;;
-(g | G)
-  INSTALL_DIR="/usr/bin"
-  SUDO="sudo"
-  ;;
-(*)
-  echo "Invalid choice"
-  exit 1
-  ;;
-esac
+  echo
+  echo "✔ Crib installed to $INSTALL_DIR"
+  echo "Run with: $BINARY_NAME"
+  echo "Ruby ABI: $RUBY_VERSION"
+  echo "Add $INSTALL_DIR to PATH if needed."
+}
 
-$SUDO mkdir -p "$INSTALL_DIR"
-
-echo "Downloading binary..."
-curl -L "$GITHUB_URL" -o /tmp/"$BINARY_NAME"
-$SUDO install -m 755 /tmp/"$BINARY_NAME" "$INSTALL_DIR/$BINARY_NAME"
-rm -f /tmp/"$BINARY_NAME"
-
-echo
-echo "✔ Crib installed to $INSTALL_DIR"
-echo "Run with: $BINARY_NAME"
-echo "Ruby ABI: $RUBY_VERSION"
-echo "Add $INSTALL_DIR to PATH if needed."
+install "$@"