Add uninstallers for the coordinator and the worker (release assets)

uninstall.sh

@@ -0,0 +1,83 @@
+#!/usr/bin/env bash
+# SciMesh uninstaller: stops the running component, removes its binary, and —
+# when asked — deletes its data directory.
+#
+#   curl -fsSL https://raw.githubusercontent.com/emil28092005/SciMesh/main/uninstall.sh | bash -s coordinator
+#   curl -fsSL https://raw.githubusercontent.com/emil28092005/SciMesh/main/uninstall.sh | bash -s worker
+#   curl -fsSL https://raw.githubusercontent.com/emil28092005/SciMesh/main/uninstall.sh         # both
+#
+# Data (jobs, artifacts, users, secrets, the managed venv) is kept by default.
+# Pass --purge (or set SCIMESH_PURGE=1) to delete it without asking; without
+# it the script prompts interactively. Because `curl | bash` pipes have no
+# interactive stdin, the default is always "keep data".
+set -eu
+
+COMPONENT="${1:-all}"
+PURGE=0
+for arg in "$@"; do
+  case "$arg" in
+    --purge) PURGE=1 ;;
+  esac
+done
+[ "${SCIMESH_PURGE:-0}" = "1" ] && PURGE=1
+
+INSTALL_DIR="${SCIMESH_INSTALL_DIR:-$HOME/.local/bin}"
+
+remove_component() {
+  case "$1" in
+    coordinator)
+      echo "Stopping the coordinator (serve)…"
+      pkill -x coordinator 2>/dev/null || true
+      echo "Removing $INSTALL_DIR/coordinator…"
+      rm -f "$INSTALL_DIR/coordinator"
+      ;;
+    worker)
+      echo "Stopping the worker agent and its setup wizard…"
+      pkill -x worker-agent 2>/dev/null || true
+      echo "Removing $INSTALL_DIR/worker-agent…"
+      rm -f "$INSTALL_DIR/worker-agent"
+      ;;
+    *) echo "unknown component: $1 (use 'coordinator', 'worker' or 'all')" >&2; exit 1 ;;
+  esac
+}
+
+remove_data() {
+  local dir="$1" label="$2"
+  if [ ! -d "$dir" ]; then
+    return 0
+  fi
+  if [ "$PURGE" = "1" ]; then
+    rm -rf "$dir"
+    echo "Deleted $dir"
+    return 0
+  fi
+  # In a pipe (curl | bash) stdin is exhausted, so the prompt defaults to keep.
+  printf "Delete %s (%s)? [y/N] " "$dir" "$label"
+  read -r answer || answer=""
+  case "$answer" in
+    y|Y|yes|YES) rm -rf "$dir"; echo "Deleted $dir" ;;
+    *) echo "Keeping $dir" ;;
+  esac
+}
+
+case "$COMPONENT" in
+  coordinator)
+    remove_component coordinator
+    remove_data "$HOME/.scimesh" "secrets, databases, artifacts, users, managed venv"
+    ;;
+  worker)
+    remove_component worker
+    remove_data "$HOME/.scimesh-worker" "worker config, runtime venv, logs"
+    ;;
+  all)
+    remove_component coordinator
+    remove_component worker
+    remove_data "$HOME/.scimesh" "secrets, databases, artifacts, users, managed venv"
+    remove_data "$HOME/.scimesh-worker" "worker config, runtime venv, logs"
+    ;;
+  *) echo "unknown component: $COMPONENT (use 'coordinator', 'worker' or 'all')" >&2; exit 1 ;;
+esac
+
+echo
+echo "SciMesh $COMPONENT uninstalled."
+echo "Pass --purge to also delete the data directories without asking."