From b378599f0a0dcee80049a10f6428bf90bedd6c40 Mon Sep 17 00:00:00 2001
From: stuebinm
Date: Sat, 9 Nov 2024 16:30:39 +0100
Subject: pkgs: rough packaging of mergiraf, a git merge tool

---
 home/home-minimal.nix     | 25 +++++++++++++++++++++++++
 home/packages-minimal.nix |  2 +-
 pkgs/default.nix          |  2 +-
 pkgs/overlay.nix          | 33 +++++++++++++++++++++++++++++++++
 4 files changed, 60 insertions(+), 2 deletions(-)

diff --git a/home/home-minimal.nix b/home/home-minimal.nix
index 42f358d..78d6014 100644
--- a/home/home-minimal.nix
+++ b/home/home-minimal.nix
@@ -138,8 +138,33 @@
       commit.verbose = true;
       rerere.enabled = true;
       branch.sort = "-authordate";
+
+      merge.mergiraf = {
+        name = "mergiraf";
+        driver = "merigraf merge --git %O %A %B -s %S -x %X -y %Y -p %P";
+      };
     };
 
+    attributes = [
+      "*.java merge=mergiraf"
+      "*.rs merge=mergiraf"
+      "*.go merge=mergiraf"
+      "*.js merge=mergiraf"
+      "*.jsx merge=mergiraf"
+      "*.json merge=mergiraf"
+      "*.yml merge=mergiraf"
+      "*.yaml merge=mergiraf"
+      "*.html merge=mergiraf"
+      "*.htm merge=mergiraf"
+      "*.xhtml merge=mergiraf"
+      "*.xml merge=mergiraf"
+      "*.c merge=mergiraf"
+      "*.h merge=mergiraf"
+      "*.cpp merge=mergiraf"
+      "*.hpp merge=mergiraf"
+      "*.cs merge=mergiraf"
+    ];
+
     # diff-so-fancy.enable = true;
     # difftastic.enable = true;
     delta = {
diff --git a/home/packages-minimal.nix b/home/packages-minimal.nix
index fe09bc3..f2294ec 100644
--- a/home/packages-minimal.nix
+++ b/home/packages-minimal.nix
@@ -21,7 +21,7 @@
     # nix tools
     nixpkgs-review nix-top nix-diff nix-tree
     # git
-    gitAndTools.gitAnnex git-bug git-appraise
+    gitAndTools.gitAnnex git-bug git-appraise mergiraf
     # other things
     gauche
     # html, js & co
diff --git a/pkgs/default.nix b/pkgs/default.nix
index f9d50c0..3f8dda3 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -7,7 +7,7 @@
     travelynx crs-tracker crs-php bahnhof-name matrix-to
     hikari_unstable heartwood radicle-interface radicle-tui
     inweb nomsring bookwyrm mollysocket git-annex-remote-remarkable2
-    ntfy-matrix-bot transport_validator;
+    ntfy-matrix-bot transport_validator mergiraf;
 
   pkgs = nixpkgs;
 }
diff --git a/pkgs/overlay.nix b/pkgs/overlay.nix
index 3a37b8f..c7e929e 100644
--- a/pkgs/overlay.nix
+++ b/pkgs/overlay.nix
@@ -50,6 +50,39 @@ in
     cargoLock.lockFile = "${src}/Cargo.lock";
   };
 
+  mergiraf = self.rustPlatform.buildRustPackage rec {
+    pname = "mergiraf";
+    version = "git";
+    src = self.fetchgit {
+      url = "https://codeberg.org/mergiraf/mergiraf";
+      rev = "v0.2.0";
+      hash = "sha256-egtX2daCbPXi5rX2OxbEZA/VI9R4HMj5LRKbUEBFo+E=";
+    };
+    # TODO: probably unnecessary once we are on nixpkgs 24.11; earlier version
+    # hardcode --frozen here, but cargo wants --offline.
+    # the postBuild hook is necessary to set up things for the install hook
+    buildPhase = ''
+      cargo build -j $NIX_BUILD_CORES \
+       --target x86_64-unknown-linux-gnu \
+       --release \
+       --offline
+
+      runHook postBuild
+    '';
+    # no idea why this didn't work with either test or build inputs ..
+    preCheck = ''
+      export PATH=$PATH:${self.gitMinimal}/bin
+    '';
+    cargoLock = {
+      lockFile = "${src}/Cargo.lock";
+      outputHashes = {
+        "tree-sitter-go-0.23.1" = "sha256-elPqkvVYs0vADOuN/umDteWP5hqcXhQAoSkqYDtTxaU=";
+        "tree-sitter-xml-0.7.0" = "sha256-RTWvOUAs3Uql9DKsP1jf9FZZHaZORE40GXd+6g6RQZw=";
+        "tree-sitter-yaml-0.6.1" = "sha256-gS+SjOnGl/86U9VV/y1ca7naYIe7DAOvOv++jCRLTKo=";
+      };
+    };
+  };
+
   rustex = rustPlatform.buildRustPackage rec {
     pname = "rustex";
     version = "git";
-- 
cgit v1.2.3