From f35535217780644b32ee74c0b02bde131da438ac Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Sat, 12 Sep 2020 23:21:30 +0200
Subject: [PATCH 1/2] emojione: fix build with Inkscape 1

---
 pkgs/data/fonts/emojione/default.nix | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/pkgs/data/fonts/emojione/default.nix b/pkgs/data/fonts/emojione/default.nix
index 6f5168e90d5..d5b9b29dd85 100644
--- a/pkgs/data/fonts/emojione/default.nix
+++ b/pkgs/data/fonts/emojione/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, inkscape, imagemagick, potrace, svgo, scfbuild }:
+{ stdenv, fetchFromGitHub, fetchpatch, inkscape, imagemagick, potrace, svgo, scfbuild }:
 
 stdenv.mkDerivation rec {
   pname = "emojione";
@@ -11,6 +11,22 @@ stdenv.mkDerivation rec {
     sha256 = "1781kxfbhnvylypbkwxc3mx6hi0gcjisfjr9cf0jdz4d1zkf09b3";
   };
 
+  patches = [
+    # Fix build with Inkscape 1.0
+    # https://github.com/eosrei/twemoji-color-font/pull/82
+    (fetchpatch {
+      url = "https://github.com/eosrei/twemoji-color-font/commit/208ad63c2ceb38c528b5237abeb2b85ceedc1d37.patch";
+      sha256 = "7tDWIkpcdir1V6skgXSM3r0FwHy0F6PyJ07OPRsSStA=";
+      postFetch = ''
+        substituteInPlace $out \
+          --replace "inkscape --without-gui" "inkscape --export-png" \
+          --replace TWEMOJI EMOJIONE \
+          --replace "the assets" "the emojione assets" \
+          --replace twemoji emojione
+      '';
+    })
+  ];
+
   preBuild = ''
     sed -i 's,SCFBUILD :=.*,SCFBUILD := scfbuild,' Makefile
     # Shut up inkscape's warnings

From 24a6d1152d61ee52043a665e479009e24aa4ab45 Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Sat, 12 Sep 2020 23:22:37 +0200
Subject: [PATCH 2/2] twemoji-color-font: fix build with Inkscape 1

---
 pkgs/data/fonts/twemoji-color-font/default.nix | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/pkgs/data/fonts/twemoji-color-font/default.nix b/pkgs/data/fonts/twemoji-color-font/default.nix
index a9bf3720c07..23ae8e76b1d 100644
--- a/pkgs/data/fonts/twemoji-color-font/default.nix
+++ b/pkgs/data/fonts/twemoji-color-font/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, inkscape, imagemagick, potrace, svgo, scfbuild }:
+{ stdenv, fetchFromGitHub, fetchpatch, inkscape, imagemagick, potrace, svgo, scfbuild }:
 
 stdenv.mkDerivation rec {
   pname = "twemoji-color-font";
@@ -10,6 +10,19 @@ stdenv.mkDerivation rec {
     sha256 = "00pbgqpkq21wl8fs0q1xp49xb10m48b9sz8cdc58flkd2vqfssw2";
   };
 
+  patches = [
+    # Fix build with Inkscape 1.0
+    # https://github.com/eosrei/twemoji-color-font/pull/82
+    (fetchpatch {
+      url = "https://github.com/eosrei/twemoji-color-font/commit/208ad63c2ceb38c528b5237abeb2b85ceedc1d37.patch";
+      sha256 = "TV8I++BEnVUQg7FNbnrEQ/MLV9n3drmspqjmDZgTGFI=";
+      postFetch = ''
+        substituteInPlace $out \
+          --replace "inkscape --without-gui" "inkscape --export-png"
+      '';
+    })
+  ];
+
   nativeBuildInputs = [ inkscape imagemagick potrace svgo scfbuild ];
   # silence inkscape errors about non-writable home
   preBuild = "export HOME=\"$NIX_BUILD_ROOT\"";