Refactor container build and installation pipeline to use configurable Makefile parameters (e.g. DISTROS, base images) and propagate them through all build, install, and test scripts

scripts/uninstall.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "[uninstall] Starting pkgmgr uninstall..."
+
+VENV_DIR="${HOME}/.venvs/pkgmgr"
+
+# ------------------------------------------------------------
+# Remove virtual environment
+# ------------------------------------------------------------
+echo "[uninstall] Removing global user virtual environment if it exists..."
+if [[ -d "$VENV_DIR" ]]; then
+    rm -rf "$VENV_DIR"
+    echo "[uninstall] Removed: $VENV_DIR"
+else
+    echo "[uninstall] No venv found at: $VENV_DIR"
+fi
+
+# ------------------------------------------------------------
+# Remove auto-activation lines from shell RC files
+# ------------------------------------------------------------
+RC_PATTERN='\.venvs\/pkgmgr\/bin\/activate"; if \[ -n "\$${PS1:-}" \]; then echo "Global Python virtual environment '\''~\/\.venvs\/pkgmgr'\'' activated."; fi; fi'
+
+echo "[uninstall] Cleaning up ~/.bashrc and ~/.zshrc entries..."
+for rc in "$HOME/.bashrc" "$HOME/.zshrc"; do
+    if [[ -f "$rc" ]]; then
+        sed -i "/$RC_PATTERN/d" "$rc"
+        echo "[uninstall] Cleaned $rc"
+    else
+        echo "[uninstall] File not found: $rc (skipped)"
+    fi
+done
+
+echo "[uninstall] Done. Restart your shell (or run 'exec bash' or 'exec zsh') to apply changes."