@@ -0,0 +1,43 @@
+#!/bin/bash
+set -euo pipefail
+
+REPO_URL="https://iluxz.github.io/MochiOS/repo"
+
+echo "==> mochios public repo"
+echo ""
+
+if command -v pacman &>/dev/null; then
+  echo "detected arch-based system - adding pacman repo..."
+  if grep -q '\[mochi\]' /etc/pacman.conf 2>/dev/null; then
+    echo "  repo already configured"
+  else
+    cat >> /etc/pacman.conf << 'PACMAN'
+
+[mochi]
+SigLevel = Optional TrustAll
+Server = https://github.com/iluxz/MochiOS/raw/gh-pages/os/x86_64
+PACMAN
+    echo "  added [mochi] to /etc/pacman.conf"
+  fi
+
+  echo "installing mochi..."
+  pacman -Sy --noconfirm mochi || {
+    echo "  error: could not install mochi"
+    exit 1
+  }
+  echo "  mochi installed!"
+else
+  echo "downloading static binary..."
+  if [ -w /usr/local/bin ]; then
+    INSTALL_DIR=/usr/local/bin
+  else
+    INSTALL_DIR="$HOME/.local/bin"
+    mkdir -p "$INSTALL_DIR"
+  fi
+  curl -sSfL "$REPO_URL/static/mochi" -o "$INSTALL_DIR/mochi"
+  chmod +x "$INSTALL_DIR/mochi"
+  echo "  installed mochi to $INSTALL_DIR/mochi"
+fi
+
+echo ""
+echo "run 'mochi help' to get started"