vtebench: init at 0.3.1 (#464489)

pkgs/by-name/vt/vtebench/package.nix

@@ -0,0 +1,75 @@
+{
+  lib,
+  rustPlatform,
+  fetchFromGitHub,
+  makeWrapper,
+  versionCheckHook,
+  bash,
+  gnuplot,
+  gitUpdater,
+}:
+rustPlatform.buildRustPackage (finalAttrs: {
+  pname = "vtebench";
+  version = "0.3.1";
+
+  src = fetchFromGitHub {
+    owner = "alacritty";
+    repo = "vtebench";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-2uuH7JTilKC+yVY+sMG0lMzLFzRefqEyM/L5gnMDIJw=";
+  };
+  cargoHash = "sha256-3PQA5rw5eiqHfQCZPAgN7FF/mPK2YeZd3TT4SCnBp3I=";
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ bash ];
+  strictDeps = true;
+
+  doInstallCheck = true;
+  nativeInstallCheckInputs = [ versionCheckHook ];
+
+  postInstall = ''
+    mkdir -p $out/share/vtebench
+    cp -r benchmarks gnuplot{,_summary}.sh -t $out/share/vtebench
+  '';
+
+  postFixup = ''
+    # The benchmarks and gnuplot helpers are all shell scripts
+    patchShebangs $out/share/vtebench
+
+    # vtebench tries to look for the benchmarks in the `benchmarks` folder
+    # in the current directory by default, but we patch it here to use
+    # the packaged benchmarks instead
+    wrapProgram $out/bin/vtebench \
+      --add-flags "--benchmarks $out/share/vtebench/benchmarks"
+
+    # Neither gnuplot wrapper script is included with vtebench itself,
+    # so we have to make them available as wrapped binaries to avoid users
+    # having to obtain them on their own
+    makeWrapper $out/share/vtebench/gnuplot.sh $out/bin/vtebench-gnuplot \
+      --suffix PATH : ${lib.makeBinPath [ gnuplot ]}
+    makeWrapper $out/share/vtebench/gnuplot_summary.sh $out/bin/vtebench-gnuplot-summary \
+      --suffix PATH : ${lib.makeBinPath [ gnuplot ]}
+  '';
+
+  passthru.updateScript = gitUpdater { rev-prefix = "v"; };
+
+  meta = {
+    description = "Generate benchmarks for terminal emulators";
+    longDescription = ''
+      A tool for benchmarking terminal emulator PTY read performance.
+
+      The `vtebench` binary has been patched to use the default benchmarks
+      automatically. Run `vtebench-gnuplot` or `vtebench-gnuplot-summary`
+      to run the `gnuplot.sh` and `gnuplot_summary.sh` scripts respectively.
+    '';
+    homepage = "https://github.com/alacritty/vtebench";
+    license = with lib.licenses; [
+      asl20
+      mit
+    ];
+    maintainers = with lib.maintainers; [
+      pluiedev
+    ];
+    mainProgram = "vtebench";
+  };
+})