From 87097f6cb1193350e7d3a1015f419844af7bd737 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Barreteau?=
 <cbarrete@users.noreply.github.com>
Date: Tue, 5 May 2026 23:54:35 -0400
Subject: [PATCH] buck2: 2026-04-15 -> 2026-07-15

Also remove "unstable-" from the package version, as Buck2 now has
proper releases.
---
 pkgs/by-name/bu/buck2/hashes.json | 22 +++++++++++-----------
 pkgs/by-name/bu/buck2/package.nix |  8 ++++----
 2 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/pkgs/by-name/bu/buck2/hashes.json b/pkgs/by-name/bu/buck2/hashes.json
index 5738dd882710..cbf18a92f293 100644
--- a/pkgs/by-name/bu/buck2/hashes.json
+++ b/pkgs/by-name/bu/buck2/hashes.json
@@ -1,17 +1,17 @@
 {
   "aarch64-darwin": {
-    "buck2": "sha256-zBZ2gEPRxyaBYmnRfYfhYDqswqfiXvxYDHrUI92Z1UQ=",
-    "rust-project": "sha256-K86j0E32w0DUwzpPT0NBUiL3rV4Ze8hzfbKDkpy9JXo="
-  },
-  "x86_64-linux": {
-    "buck2": "sha256-IqDsyQ7Omy7QujT85oKrWwyirG7gwfupdxzvRoMRmQs=",
-    "rust-project": "sha256-iFSko4FTvAVlKUxJE/6FzR6H7V2SryRfEi7nRhfyhxQ="
+    "buck2": "sha256-CIysxyxAD6Q4vkBSw2eC9Wsq+GKHqt8T7OXpdy1yRVw=",
+    "rust-project": "sha256-o5m58wQ9zKkpa5GzgLpcLUV9LpA+n+MxVa/9hH9Tr40="
   },
   "aarch64-linux": {
-    "buck2": "sha256-VKV1vltATu3tAPmMiifba7MV9kNFH754FDda6i8cQrU=",
-    "rust-project": "sha256-oqxHdbNzQn1KHObboAd4/LTbilIJgLqMiWCgHLaPFrc="
+    "buck2": "sha256-4jm/cvQKeYfbkCTrbV4yVkL2SWxYnexr5UwQCNJhihk=",
+    "rust-project": "sha256-vGSOwVETwYqwBhkxlSTDJlVcMfbAIzYwDhEKbqz+6ok="
   },
-  "version": "2026-04-15",
-  "preludeGit": "f0896771c4cc1ab8f87e032c5293376c89e5096b",
-  "preludeFod": "sha256-Ga4q9zzifgFDGx0TbcbBoDN29H3A4s1BZnSwwv9Mix0="
+  "x86_64-linux": {
+    "buck2": "sha256-7MPYB90LD+/xpCNoi9WYJjuDOdIj5oVXiocZZFbBnZU=",
+    "rust-project": "sha256-de0SbH6cbjdDhcPpDTjxBo5HgQ8yS1eokQYjQrHKIDY="
+  },
+  "version": "2026-07-15",
+  "preludeGit": "caed0b8c0ee137c4e5e1f800a5054df151f490c2",
+  "preludeFod": "sha256-nMHnBf4vQJIxPgarmLPY38b15DFW2FlAQxDCzJgB+w8="
 }
diff --git a/pkgs/by-name/bu/buck2/package.nix b/pkgs/by-name/bu/buck2/package.nix
index 175d05aadc14..3ac1d273c089 100644
--- a/pkgs/by-name/bu/buck2/package.nix
+++ b/pkgs/by-name/bu/buck2/package.nix
@@ -55,19 +55,19 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "buck2";
-  version = "unstable-${buildHashes.version}"; # TODO (aseipp): kill 'unstable' once a non-prerelease is made
+  version = buildHashes.version;
 
   srcs = [
     # the platform-specific binary — which is also
     # zstd-compressed
     (fetchurl {
-      url = "https://github.com/facebook/buck2/releases/download/${lib.removePrefix "unstable-" finalAttrs.version}/buck2-${platform-suffix}.zst";
+      url = "https://github.com/facebook/buck2/releases/download/${finalAttrs.version}/buck2-${platform-suffix}.zst";
       hash = archHashes.buck2;
     })
     # rust-project, which is used to provide IDE integration Buck2 Rust projects,
     # is part of the official distribution
     (fetchurl {
-      url = "https://github.com/facebook/buck2/releases/download/${lib.removePrefix "unstable-" finalAttrs.version}/rust-project-${platform-suffix}.zst";
+      url = "https://github.com/facebook/buck2/releases/download/${finalAttrs.version}/rust-project-${platform-suffix}.zst";
       hash = archHashes.rust-project;
     })
   ];
@@ -134,7 +134,7 @@ stdenv.mkDerivation (finalAttrs: {
   meta = {
     description = "Fast, hermetic, multi-language build system";
     homepage = "https://buck2.build";
-    changelog = "https://github.com/facebook/buck2/releases/tag/${lib.removePrefix "unstable-" finalAttrs.version}";
+    changelog = "https://github.com/facebook/buck2/releases/tag/${finalAttrs.version}";
     license = with lib.licenses; [
       asl20 # or
       mit