openrussian-cli: unbreak on darwin

We got hit with a bad case of https://github.com/dumblob/mysql2sqlite/issues/75

pkgs/by-name/op/openrussian-cli/package.nix

@@ -5,6 +5,7 @@
 , pkg-config
 , wget
 , unzip
+, mawk
 , sqlite
 , which
 , lua5_3
@@ -30,6 +31,8 @@ stdenv.mkDerivation rec {
       url = "https://github.com/rhaberkorn/openrussian-cli/commit/984e555acbadbd1aed7df17ab53e2c586a2f8f68.patch";
       hash = "sha256-/z4YrEeuejtCtwiFXksFREwgQoWvtI0Kl9w75KDQfF8=";
     })
+    # Work around https://github.com/dumblob/mysql2sqlite/issues/75
+    ./use-mawk.patch
   ];
 
   nativeBuildInputs = [
@@ -40,6 +43,7 @@ stdenv.mkDerivation rec {
     which
     installShellFiles
     makeWrapper
+    mawk
   ];
 
   buildInputs = [ luaEnv ];
@@ -77,7 +81,6 @@ stdenv.mkDerivation rec {
     license = with licenses; [ gpl3Only mit cc-by-sa-40 ];
     maintainers = with maintainers; [ zane ];
     mainProgram = "openrussian";
-    broken = stdenv.isDarwin; # FIXME: The mysql2sqlite script hangs on Darwin.
     platforms = platforms.unix;
   };
 }

pkgs/by-name/op/openrussian-cli/use-mawk.patch

@@ -0,0 +1,13 @@
+diff --git a/Makefile b/Makefile
+index 8fe3880..281ce2d 100644
+--- a/Makefile
++++ b/Makefile
+@@ -25,7 +25,7 @@ openrussian-sql.zip:
+ 
+ openrussian-sqlite3.db : openrussian-sql.zip mysql2sqlite postprocess.sql
+ 	$(RM) $@
+-	unzip -p $< openrussian.sql | awk -f ./mysql2sqlite - | sqlite3 $@
++	unzip -p $< openrussian.sql | mawk -f ./mysql2sqlite - | sqlite3 $@
+ 	sqlite3 $@ -batch <postprocess.sql
+ 
+ # Try to generate all possible pages