From 73570ddb89ad28f8815e61aceb2f12f2df686175 Mon Sep 17 00:00:00 2001
From: Stella <stellarinfinity@riseup.net>
Date: Sat, 16 Jul 2022 14:39:57 +0300
Subject: [PATCH] dwarfs: init at 0.6.1

Co-authored-by: Thomas <twatson52@mac.com>
---
 pkgs/tools/filesystems/dwarfs/default.nix     | 103 ++++++++++++++++++
 .../filesystems/dwarfs/version_info.patch     |  40 +++++++
 pkgs/top-level/all-packages.nix               |   2 +
 3 files changed, 145 insertions(+)
 create mode 100644 pkgs/tools/filesystems/dwarfs/default.nix
 create mode 100644 pkgs/tools/filesystems/dwarfs/version_info.patch

diff --git a/pkgs/tools/filesystems/dwarfs/default.nix b/pkgs/tools/filesystems/dwarfs/default.nix
new file mode 100644
index 000000000000..22b29b5ed27f
--- /dev/null
+++ b/pkgs/tools/filesystems/dwarfs/default.nix
@@ -0,0 +1,103 @@
+{ lib
+, fetchFromGitHub
+, stdenv
+, substituteAll
+
+, bison
+, boost
+, cmake
+, double-conversion
+, fmt_8
+, fuse3
+, gflags
+, glog
+, gtest
+, jemalloc
+, libarchive
+, libevent
+, libunwind
+, lz4
+, openssl
+, pkg-config
+, ronn
+, xxHash
+, zstd
+}:
+
+stdenv.mkDerivation rec {
+  pname = "dwarfs";
+  version = "0.6.1";
+
+  src = fetchFromGitHub {
+    owner = "mhx";
+    repo = "dwarfs";
+    rev = "v${version}";
+    fetchSubmodules = true;
+    sha256 = "sha256-bGJkgcq8JxueRTX08QpJv1A0O5wXbiIgUY7BrY0Ln/M=";
+  };
+
+  patches = with lib.versions; [
+    (substituteAll {
+      src = ./version_info.patch;
+
+      gitRev = "v${version}";
+      gitDesc = "v${version}";
+      gitBranch = "v${version}";
+      gitId = "v${version}"; # displayed as version number
+
+      versionMajor = major version;
+      versionMinor = minor version;
+      versionPatch = patch version;
+    })
+  ];
+
+  cmakeFlags = [
+    "-DPREFER_SYSTEM_ZSTD=ON"
+    "-DPREFER_SYSTEM_XXHASH=ON"
+    "-DPREFER_SYSTEM_GTEST=ON"
+
+    # may be added under an option in the future
+    # "-DWITH_LEGACY_FUSE=ON"
+    "-DWITH_TESTS=ON"
+  ];
+
+  nativeBuildInputs = [
+    bison
+    cmake
+    pkg-config
+    ronn
+  ];
+
+  buildInputs = [
+    # dwarfs
+    boost
+    fmt_8
+    fuse3
+    jemalloc
+    libarchive
+    lz4
+    xxHash
+    zstd
+
+    # folly
+    double-conversion
+    glog
+    libevent
+    libunwind
+    openssl
+  ];
+
+  doCheck = true;
+  checkInputs = [ gtest ];
+  # this fails inside of the sandbox due to missing access
+  # to the FUSE device
+  GTEST_FILTER = "-tools.everything";
+
+  meta = with lib; {
+    description = "A fast high compression read-only file system";
+    homepage = "https://github.com/mhx/dwarfs";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ keksbg ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/tools/filesystems/dwarfs/version_info.patch b/pkgs/tools/filesystems/dwarfs/version_info.patch
new file mode 100644
index 000000000000..59936302ace0
--- /dev/null
+++ b/pkgs/tools/filesystems/dwarfs/version_info.patch
@@ -0,0 +1,40 @@
+diff --git a/include/dwarfs/version.h b/include/dwarfs/version.h
+new file mode 100755
+index 0000000..9b12c59
+--- /dev/null
++++ b/include/dwarfs/version.h
+@@ -0,0 +1,16 @@
++// autogenerated code, do not modify
++
++#pragma once
++
++#define PRJ_VERSION_MAJOR @versionMajor@
++#define PRJ_VERSION_MINOR @versionMinor@
++#define PRJ_VERSION_PATCH @versionPatch@
++
++namespace dwarfs {
++
++extern char const* PRJ_GIT_REV;
++extern char const* PRJ_GIT_DESC;
++extern char const* PRJ_GIT_BRANCH;
++extern char const* PRJ_GIT_ID;
++
++} // namespace dwarfs
+diff --git a/src/dwarfs/version.cpp b/src/dwarfs/version.cpp
+new file mode 100755
+index 0000000..3af0215
+--- /dev/null
++++ b/src/dwarfs/version.cpp
+@@ -0,0 +1,12 @@
++// autogenerated code, do not modify
++
++#include "dwarfs/version.h"
++
++namespace dwarfs {
++
++char const* PRJ_GIT_REV = "@gitRev@";
++char const* PRJ_GIT_DESC = "@gitDesc@";
++char const* PRJ_GIT_BRANCH = "@gitBranch@";
++char const* PRJ_GIT_ID = "@gitId@";
++
++} // namespace dwarfs
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6ea50d2fc5ba..06383cbdf7bd 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1187,6 +1187,8 @@ with pkgs;
 
   davinci-resolve = callPackage ../applications/video/davinci-resolve { };
 
+  dwarfs = callPackage ../tools/filesystems/dwarfs { };
+
   gamemode = callPackage ../tools/games/gamemode {
     libgamemode32 = pkgsi686Linux.gamemode.lib;
   };