1 files changed, 62 insertions, 0 deletions
diff --git a/tools/select-mono.sh b/tools/select-mono.sh
new file mode 100755
index 0000000..44dc07b
--- /dev/null
+++ b/tools/select-mono.sh
@@ -0,0 +1,62 @@
+#!/bin/bash
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+
+set -e
+
+MONO_FX_DIR="/Library/Frameworks/Mono.framework/"
+MONO_VERSIONS_DIR="${MONO_FX_DIR}Versions/"
+MONO_CURRENT_SYMLINK="${MONO_VERSIONS_DIR}Current"
+MONO_VERSIONS_AVAILABLE=($(
+  find "$MONO_VERSIONS_DIR" -maxdepth 1 -mindepth 1 -type d -exec basename {} \; 2>/dev/null | sort -Vr
+))
+LATEST_MONO_TARGET_VERSION="${MONO_VERSIONS_AVAILABLE[0]}"
+MONO_TARGET_VERSION="$1"
+
+if [ -z "$LATEST_MONO_TARGET_VERSION" ]; then
+  echo "No Mono installations found in ${MONO_VERSIONS_DIR}"
+  exit 1
+fi
+
+function showAvailableVersions() {
+  echo "Available Mono Versions:"
+  echo "  latest ($LATEST_MONO_TARGET_VERSION)"
+  for version in "${MONO_VERSIONS_AVAILABLE[@]}"; do
+    echo "  ${version}"
+  done
+}
+
+case "$MONO_TARGET_VERSION" in
+''|[/-]h|[/-]?|[/-]help|--help|help)
+  echo "usage: $0 INSTALLED_MONO_VERSION"
+  echo
+  showAvailableVersions
+  exit 2
+  ;;
+latest)
+  MONO_TARGET_VERSION="$LATEST_MONO_TARGET_VERSION"
+  ;;
+esac
+
+showAvailableVersions
+
+MONO_TARGET_VERSION_DIR="${MONO_VERSIONS_DIR}${MONO_TARGET_VERSION}"
+
+if [ ! -d "$MONO_TARGET_VERSION_DIR" ]; then
+  echo "Mono ${MONO_TARGET_VERSION} is not installed in ${MONO_VERSIONS_DIR}"
+  exit 3
+fi
+
+echo "Selecting Mono ${MONO_TARGET_VERSION}"
+
+rm -f "$MONO_CURRENT_SYMLINK"
+ln -s "$MONO_TARGET_VERSION_DIR" "$MONO_CURRENT_SYMLINK"
+mkdir -p /etc/paths.d
+echo "$MONO_CURRENT_SYMLINK/Commands" > /etc/paths.d/mono-commands
+
+if [ "$(readlink "$MONO_CURRENT_SYMLINK")" != "$MONO_TARGET_VERSION_DIR" ]; then
+  echo "Failed to update ${MONO_CURRENT_SYMLINK} to point to ${MONO_TARGET_VERSION_DIR}"
+  exit 4
+fi
+
+mono --version | head -n1
+\ No newline at end of file