refactor: improve bash code (#125)

* refactor: extract guard_path to utils/guard_path.sh

* add utils/guard_operation.sh

agents/coder/tools.sh

@@ -1,64 +1,19 @@
 #!/usr/bin/env bash
 set -e
 
+ROOT_DIR="${LLM_ROOT_DIR:-$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)}"
+
 # @env LLM_OUTPUT=/dev/stdout The output path
 
 # @cmd Create a new file at the specified path with contents.
 # @option --path! The path where the file should be created
 # @option --contents! The contents of the file
 fs_create() {
-    _guard_path "$argc_path" Create
+    "$ROOT_DIR/utils/guard_path.sh" "$argc_path" "Create '$argc_path'?"
     mkdir -p "$(dirname "$argc_path")"
     printf "%s" "$argc_contents" > "$argc_path"
     echo "File created: $argc_path" >> "$LLM_OUTPUT"
 }
 
-# @cmd Apply changes to a file. Use this when you need to edit an existing file.
-# YOU ALWAYS PROVIDE THE FULL FILE CONTENTS WHEN EDITING. NO PARTIAL CONTENTS OR COMMENTS.
-# YOU MUST PROVIDE THE FULL FILE CONTENTS.
-
-# @option --path! The path of the file to edit
-# @option --contents! The new contents to apply to the file
-# @meta require-tools git
-fs_edit() {
-    if [[ -f "$argc_path" ]]; then
-        _guard_path "$argc_path" Edit
-        changed=0
-        printf "%s" "$argc_contents" | git diff --no-index "$argc_path" - || {
-            changed=1
-        }
-        if [[ "$changed" -eq 0 ]]; then
-            echo "No changes detected." >> "$LLM_OUTPUT"
-        else
-            if [ -t 1 ]; then
-                echo
-                read -r -p "Apply changes? [Y/n] " ans
-                if [[ "$ans" == "N" || "$ans" == "n" ]]; then
-                    echo "Aborted!"
-                    exit 1
-                fi
-            fi
-            printf "%s" "$argc_contents" > "$argc_path"
-            echo "Applied changes" >> "$LLM_OUTPUT"
-        fi
-    else
-        echo "Not found file: $argc_path" >> "$LLM_OUTPUT"
-    fi
-}
-
-_guard_path() {
-    path="$(realpath -m "$1")"
-    action="$2"
-    if [[ ! "$path" == "$(pwd)"* ]]; then
-        if [ -t 1 ]; then
-            read -r -p "$action $path? [Y/n] " ans
-            if [[ "$ans" == "N" || "$ans" == "n" ]]; then
-                echo "Aborted!"
-                exit 1
-            fi
-        fi
-    fi
-}
-
 # See more details at https://github.com/sigoden/argc
 eval "$(argc --argc-eval "$0" "$@")"