kubo-migrator: fix broken migrations

Two old migrations were broken since Go 1.16 was removed from Nixpkgs. Upstream is not interested in fixing the migrations to work with newer Go versions: ipfs/fs-repo-migrations#163 (comment).
NixOS · Jan 24, 2023 · 5ea0dce · 5ea0dce
1 parent eb95aa0
commit 5ea0dce
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Showing 3 changed files with 47 additions and 15 deletions.
diff --git a/pkgs/applications/networking/kubo-migrator/all-migrations.nix b/pkgs/applications/networking/kubo-migrator/all-migrations.nix
@@ -13,7 +13,7 @@ let
   fs-repo-common = pname: version: buildGoModule {
     inherit pname version;
     inherit (kubo-migrator-unwrapped) src;
-    sourceRoot = "source/${pname}";
+    sourceRoot = "kubo-migrator-src/${pname}";
     vendorSha256 = null;
     doCheck = false;
     meta = kubo-migrator-unwrapped.meta // {

diff --git a/pkgs/applications/networking/kubo-migrator/src.nix b/pkgs/applications/networking/kubo-migrator/src.nix
@@ -0,0 +1,42 @@
+{ lib
+, stdenvNoCC
+, fetchFromGitHub
+, fetchpatch
+}:
+
+stdenvNoCC.mkDerivation rec {
+  name = "kubo-migrator-src";
+
+  src = fetchFromGitHub {
+    owner = "ipfs";
+    repo = "fs-repo-migrations";
+    rev = "fs-repo-11-to-12/v1.0.2";
+    hash = "sha256-CG4utwH+/+Igw+SP3imhl39wijlB53UGtkJG5Mwh+Ik=";
+  };
+
+  patches = [
+    # Make the migrations compatible with Go 1.17 and newer
+    (fetchpatch {
+      name = "fix-fs-repo-10-to-11.patch";
+      url = "https://github.com/ipfs/fs-repo-migrations/pull/163/commits/c3b39a3ccd51e65e1039652235cb6930d3304a08.patch";
+      hash = "sha256-YkFtFsYueCd24WsRINq7Q5wvFjoIVAqlN9yy9y6kNrw=";
+    })
+    (fetchpatch {
+      name = "fix-fs-repo-11-to-12.patch";
+      url = "https://github.com/ipfs/fs-repo-migrations/pull/163/commits/408f58ffdf9869bcb51cd4d8d99d5aefd65df593.patch";
+      hash = "sha256-IkRkwNVDLSU8wWmtFuxM5H0g6Jkkso/i8k5XmjMrLA8=";
+    })
+  ];
+
+  dontConfigure = true;
+  dontBuild = true;
+  doCheck = false;
+  dontFixup = true;
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p "$out"
+    cp -r * .* "$out"
+    runHook postInstall
+  '';
+}
diff --git a/pkgs/applications/networking/kubo-migrator/unwrapped.nix b/pkgs/applications/networking/kubo-migrator/unwrapped.nix
@@ -1,27 +1,17 @@
 { lib
 , buildGoModule
-, fetchFromGitHub
+, callPackage
 }:
 
 buildGoModule rec {
   pname = "kubo-migrator";
   version = "2.0.2";
 
-  src = fetchFromGitHub {
-    owner = "ipfs";
-    repo = "fs-repo-migrations";
-    # Use the latest git tag here, since v2.0.2 does not
-    # contain the latest migration fs-repo-11-to-12/v1.0.2
-    # The fs-repo-migrations code itself is the same between
-    # the two versions but the migration code, which is built
-    # into separate binaries, is not.
-    rev = "fs-repo-11-to-12/v1.0.2";
-    sha256 = "sha256-CG4utwH+/+Igw+SP3imhl39wijlB53UGtkJG5Mwh+Ik=";
-  };
+  src = callPackage ./src.nix { };
 
-  sourceRoot = "source/fs-repo-migrations";
+  sourceRoot = "kubo-migrator-src/fs-repo-migrations";
 
-  vendorSha256 = "sha256-/DqkBBtR/nU8gk3TFqNKY5zQU6BFMc3N8Ti+38mi/jk=";
+  vendorHash = "sha256-/DqkBBtR/nU8gk3TFqNKY5zQU6BFMc3N8Ti+38mi/jk=";
 
   doCheck = false;