nixpkgs/pkgs/development/libraries/webp-pixbuf-loader/default.nix
2023-03-18 20:22:34 -04:00

73 lines
1.9 KiB
Nix

{ lib
, stdenv
, fetchFromGitHub
, meson
, ninja
, pkg-config
, makeWrapper
, gdk-pixbuf
, libwebp
}:
let
inherit (gdk-pixbuf) moduleDir;
# turning lib/gdk-pixbuf-#.#/#.#.#/loaders into lib/gdk-pixbuf-#.#/#.#.#/loaders.cache
# removeSuffix is just in case moduleDir gets a trailing slash
loadersPath = (lib.strings.removeSuffix "/" gdk-pixbuf.moduleDir) + ".cache";
in
stdenv.mkDerivation rec {
pname = "webp-pixbuf-loader";
version = "0.2.2";
src = fetchFromGitHub {
owner = "aruiz";
repo = "webp-pixbuf-loader";
rev = version;
sha256 = "sha256-TdZK2OTwetLVmmhN7RZlq2NV6EukH1Wk5Iwer2W/aHc=";
};
nativeBuildInputs = [
gdk-pixbuf.dev
meson
ninja
pkg-config
makeWrapper
];
buildInputs = [
gdk-pixbuf
libwebp
];
mesonFlags = [
"-Dgdk_pixbuf_moduledir=${placeholder "out"}/${moduleDir}"
];
postPatch = ''
# It looks for gdk-pixbuf-thumbnailer in this package's bin rather than the gdk-pixbuf bin. We need to patch that.
substituteInPlace webp-pixbuf.thumbnailer.in \
--replace "@bindir@/gdk-pixbuf-thumbnailer" "$out/bin/webp-thumbnailer"
'';
postInstall = ''
GDK_PIXBUF_MODULE_FILE="$out/${loadersPath}" \
GDK_PIXBUF_MODULEDIR="$out/${moduleDir}" \
gdk-pixbuf-query-loaders --update-cache
# It assumes gdk-pixbuf-thumbnailer can find the webp loader in the loaders.cache referenced by environment variable, breaking containment.
# So we replace it with a wrapped executable.
mkdir -p "$out/bin"
makeWrapper "${gdk-pixbuf}/bin/gdk-pixbuf-thumbnailer" "$out/bin/webp-thumbnailer" \
--set GDK_PIXBUF_MODULE_FILE "$out/${loadersPath}"
'';
meta = with lib; {
description = "WebP GDK Pixbuf Loader library";
homepage = "https://github.com/aruiz/webp-pixbuf-loader";
license = licenses.lgpl2Plus;
platforms = platforms.unix;
maintainers = teams.gnome.members ++ [ maintainers.cwyc ];
};
}