Updated setup script to check for the existence of YB_VOYAGER_SEND_DI…

…AGNOSTICS env var in developers' machine env

setup/setup.sh

@@ -1,15 +1,66 @@
 #!/usr/bin/env bash
 
+is_false_value() {
+    case "$1" in
+        "false"|"no"|"0")
+            return 0
+            ;;
+        *)
+            return 1  # Non-false value
+            ;;
+    esac
+}
+
+# Detecting the current shell and updating the corresponding configuration file
+if [[ $SHELL == *"/zsh"* ]]; then
+    config_file=~/.zshrc
+elif [[ $SHELL == *"/bash"* ]]; then
+    config_file=~/.bashrc
+else
+    echo "Unsupported shell. Please add 'export YB_VOYAGER_SEND_DIAGNOSTICS=$requiredEnvVarValue' manually to your shell config."
+    break
+fi
+
+if [ -z "$YB_VOYAGER_SEND_DIAGNOSTICS" ] || ! is_false_value "$YB_VOYAGER_SEND_DIAGNOSTICS"; then
+    echo "YB_VOYAGER_SEND_DIAGNOSTICS is not set or is not set to a recognized false value."
+    while true; do
+        echo "Please enter a valid false value for YB_VOYAGER_SEND_DIAGNOSTICS (\"false\", \"0\", \"no\"):"
+        read requiredEnvVarValue
+        if is_false_value "$requiredEnvVarValue"; then
+            export YB_VOYAGER_SEND_DIAGNOSTICS=$requiredEnvVarValue
+            echo "export YB_VOYAGER_SEND_DIAGNOSTICS=$requiredEnvVarValue" >> $config_file
+            echo "YB_VOYAGER_SEND_DIAGNOSTICS is now set to '$requiredEnvVarValue' in your $config_file."
+            echo "To make this permanent, restart your terminal or run 'source $config_file'."
+            break
+        else
+            echo "Invalid input. The value '$requiredEnvVarValue' is not a recognized false value."
+        fi
+    done
+else
+    echo "YB_VOYAGER_SEND_DIAGNOSTICS is already set to a recognized false value: '$YB_VOYAGER_SEND_DIAGNOSTICS'."
+fi
+
 REPO_ROOT="$(git rev-parse --show-toplevel)"
 SOURCE_HOOK_DIR="$REPO_ROOT/setup/hooks"
 TARGET_HOOK_DIR="$REPO_ROOT/.git/hooks"
 
 # Copy hooks and make them executable
 echo "Installing git hooks..."
 for hook in $(ls $SOURCE_HOOK_DIR); do
-    cp "$SOURCE_HOOK_DIR/$hook" "$TARGET_HOOK_DIR/$hook"
-    chmod +x "$TARGET_HOOK_DIR/$hook"
-    echo "Installed $hook hook"
+    hook_path="$TARGET_HOOK_DIR/$hook"
+    # Backup existing hooks
+    if [ -f "$hook_path" ]; then
+        cp "$hook_path" "${hook_path}.backup"
+    fi
+
+    if cp "$SOURCE_HOOK_DIR/$hook" "$hook_path"; then
+        chmod +x "$hook_path"
+        echo "Installed $hook hook"
+    else
+        echo "Failed to install $hook hook. Check permissions or disk space."
+        exit 1
+    fi
 done
 
 echo "Git hooks setup completed successfully."
+echo "setup.sh script complete, exiting..."