feat: prompt confirmation for fs write operations outside cwd (#90)

tools/fs_write.sh

@@ -6,15 +6,28 @@ set -e
 # If the file doesn't exist, it will be created.
 # Always provide the full intended contents of the file.
 
-# @env FS_BASE_DIR=. The base dir
 # @option --path! The path of the file to write to
 # @option --contents! The full contents to write to the file
 
 main() {
-    path="$FS_BASE_DIR/$argc_path"
-    mkdir -p "$(dirname "$path")"
-    printf "%s" "$argc_contents" > "$path"
-    echo "The contents written to: $path" >> "$LLM_OUTPUT"
+    _guard_path "$argc_path" Write
+    mkdir -p "$(dirname "$argc_path")"
+    printf "%s" "$argc_contents" > "$argc_path"
+    echo "The contents written to: $argc_path" >> "$LLM_OUTPUT"
+}
+
+_guard_path() {
+    path="$(realpath "$1")"
+    action="$2"
+    if [[ ! "$path" == "$(pwd)"* ]]; then
+        if [ -t 1 ]; then
+            read -r -p "$action $path? [Y/n] " ans
+            if [[ "$ans" == "N" || "$ans" == "n" ]]; then
+                echo "Aborted!"
+                exit 1
+            fi
+        fi
+    fi
 }
 
 eval "$(argc --argc-eval "$0" "$@")"