feat(tools): cleanup scripts and Makefile

tools/uninstall.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+# uninstall.sh - Uninstall the PostgreSQL extension from the system's extension directory
+# Usage: ./uninstall.sh [project_name]
+
+set -e # Exit immediately if a command exits with a non-zero status
+
+PROJECT_FILENAME="${1:-pg_morbac}"
+
+if ! command -v pg_config &> /dev/null; then
+    echo "Error: pg_config not found" >&2
+    echo "Install: apt install postgresql-server-dev-all (Debian/Ubuntu), yum install postgresql-devel (RHEL/CentOS), or brew install postgresql (macOS)" >&2
+    exit 1
+fi
+
+EXTDIR=$(pg_config --sharedir)/extension
+if [ ! -d "$EXTDIR" ]; then
+    echo "Error: extension directory not found: $EXTDIR" >&2
+    exit 1
+fi
+
+CONTROL_FILE="$EXTDIR/${PROJECT_FILENAME}.control"
+if [ ! -f "$CONTROL_FILE" ]; then
+    echo "Warning: control file not found: $CONTROL_FILE" >&2
+    echo "Extension may not be installed" >&2
+fi
+
+echo "Uninstalling ${PROJECT_FILENAME} from ${EXTDIR}"
+
+# Remove control file
+if [ -f "$CONTROL_FILE" ]; then
+    rm -f "$CONTROL_FILE"
+    echo "Removed: ${PROJECT_FILENAME}.control"
+fi
+
+# Remove all SQL files (versioned and upgrade scripts)
+SQL_FILES_COUNT=$(find "$EXTDIR" -name "${PROJECT_FILENAME}--*.sql" -type f 2>/dev/null | wc -l)
+if [ "$SQL_FILES_COUNT" -gt 0 ]; then
+    find "$EXTDIR" -name "${PROJECT_FILENAME}--*.sql" -type f -exec rm -f {} \;
+    echo "Removed: ${SQL_FILES_COUNT} SQL file(s)"
+else
+    echo "No SQL files found to remove"
+fi
+
+echo "Uninstallation complete. Drop the extension from databases with: DROP EXTENSION IF EXISTS ${PROJECT_FILENAME} CASCADE;"