From 912ecc1546e8a3698d7d68a9120ddc78fbf934d9 Mon Sep 17 00:00:00 2001
From: Seongmin Lee <git@boltless.me>
Date: Thu, 13 Aug 2026 21:15:00 +0900
Subject: [PATCH] nix: specify outputHash of forked jacquard

Signed-off-by: Seongmin Lee <git@boltless.me>
---
 nix/cargo-lock.nix      | 10 ++++++++++
 nix/pkgs/bobbin.nix     |  2 +-
 nix/pkgs/gitmirror.nix  |  2 +-
 nix/pkgs/knot-crate.nix |  2 +-
 nix/pkgs/shuttle.nix    |  2 +-
 5 files changed, 14 insertions(+), 4 deletions(-)
 create mode 100644 nix/cargo-lock.nix

diff --git a/nix/cargo-lock.nix b/nix/cargo-lock.nix
new file mode 100644
index 00000000..d8847c33
--- /dev/null
+++ b/nix/cargo-lock.nix
@@ -0,0 +1,10 @@
+# Shared cargoLock for every package built from the root Cargo.lock.
+# Bump the hash whenever the jacquard rev in Cargo.toml's [patch.crates-io] changes:
+#   nix-prefetch-git --url https://tangled.org/oppi.li/jacquard --rev <rev> --fetch-submodules
+src: {
+  lockFile = "${src}/Cargo.lock";
+  # One entry covers every crate from the same git rev; importCargoLock keys by commit sha.
+  outputHashes = {
+    "jacquard-0.12.1" = "sha256-cq5E8wkLp64nuSpaSrsZgUmqlBp4tnpxNqt5Zs0EDu0=";
+  };
+}
diff --git a/nix/pkgs/bobbin.nix b/nix/pkgs/bobbin.nix
index 272dbaae..f572de4d 100644
--- a/nix/pkgs/bobbin.nix
+++ b/nix/pkgs/bobbin.nix
@@ -11,7 +11,7 @@ in
 
     inherit src;
 
-    cargoLock.lockFile = "${src}/Cargo.lock";
+    cargoLock = import ../cargo-lock.nix src;
 
     cargoBuildFlags = flags;
     cargoTestFlags = flags;
diff --git a/nix/pkgs/gitmirror.nix b/nix/pkgs/gitmirror.nix
index 275ad9bf..685e6259 100644
--- a/nix/pkgs/gitmirror.nix
+++ b/nix/pkgs/gitmirror.nix
@@ -13,7 +13,7 @@ in
 
     doCheck = false;
 
-    cargoLock.lockFile = "${src}/Cargo.lock";
+    cargoLock = import ../cargo-lock.nix src;
 
     cargoBuildFlags = flags;
     cargoTestFlags = flags;
diff --git a/nix/pkgs/knot-crate.nix b/nix/pkgs/knot-crate.nix
index d8d39f77..3543f852 100644
--- a/nix/pkgs/knot-crate.nix
+++ b/nix/pkgs/knot-crate.nix
@@ -12,7 +12,7 @@ rustPlatform.buildRustPackage {
 
   inherit src;
 
-  cargoLock.lockFile = "${src}/Cargo.lock";
+  cargoLock = import ../cargo-lock.nix src;
 
   nativeBuildInputs = [
     cmake
diff --git a/nix/pkgs/shuttle.nix b/nix/pkgs/shuttle.nix
index 8ff32428..becf2140 100644
--- a/nix/pkgs/shuttle.nix
+++ b/nix/pkgs/shuttle.nix
@@ -12,7 +12,7 @@ in
 
     inherit src;
 
-    cargoLock.lockFile = "${src}/Cargo.lock";
+    cargoLock = import ../cargo-lock.nix src;
 
     nativeBuildInputs = [
       protobuf
-- 
2.51.2