deps: add tempfile for fsck index comparison

Co-Authored-By: Proof of Concept <poc@bcachefs.org>

Cargo.lock

@@ -507,6 +507,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_urlencoded",
+ "tempfile",
  "textwrap",
  "tokenizers",
  "tokio",
@@ -996,6 +997,12 @@ dependencies = [
  "regex",
 ]
 
+[[package]]
+name = "fastrand"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f1f227452a390804cdb637b74a86990f2a7d7ba4b7d5693aac9b4dd6defd8d6"
+
 [[package]]
 name = "figment"
 version = "0.10.19"
@@ -2791,6 +2798,19 @@ dependencies = [
  "yaml-rust",
 ]
 
+[[package]]
+name = "tempfile"
+version = "3.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32497e9a4c7b38532efcdebeef879707aa9f794296a4f0244f6f69e9bc8574bd"
+dependencies = [
+ "fastrand",
+ "getrandom 0.4.2",
+ "once_cell",
+ "rustix",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "terminfo"
 version = "0.9.0"

Cargo.toml

@@ -51,6 +51,7 @@ ast-grep-language = { version = "0.42", features = ["builtin-parser"] }
 walkdir = "2"
 
 redb = "4"
+tempfile = "3"
 
 tokio = { version = "1", features = ["full"] }
 tokio-util = { version = "0.7", features = ["compat"] }