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Dont build nerdfonts from source

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This commit is contained in:
Sean Buckley 2021-12-31 23:17:54 -05:00
parent 7af7b3effe
commit 855c469a4f
1 changed files with 12 additions and 35 deletions
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47
pkgs/bck-nerdfont.nix
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@ -1,14 +1,14 @@
{ stdenv { nerdfonts
, lib
, dejavu_fonts
, fetchFromGitHub
, python3 , python3
, runCommand
, writeScript , writeScript
}: }:
let let
py = python3.withPackages (p: [ p.fontforge ]); py = python3.withPackages (p: [ p.fontforge ]);
src = nerdfonts.override { fonts = [ "DejaVuSansMono" ]; };
# Stick a rectangle on the left edge of the # Stick a rectangle on the left edge of the
# powerline symbol to avoid anti-aliasing artifacts # powerline symbol to avoid anti-aliasing artifacts
postprocess = writeScript "postprocess.py" '' postprocess = writeScript "postprocess.py" ''
@ -18,40 +18,17 @@ let
glyph = f[0xE0B0] glyph = f[0xE0B0]
bb = glyph.boundingBox() bb = glyph.boundingBox()
pen = glyph.glyphPen(replace=False) pen = glyph.glyphPen(replace=False)
pen.moveTo(bb[0],bb[1]) pen.moveTo(0, bb[1])
pen.lineTo(bb[0],bb[3]) pen.lineTo(0, bb[3])
pen.lineTo(bb[0]-150,bb[3]) pen.lineTo(-150, bb[3])
pen.lineTo(bb[0]-150,bb[1]) pen.lineTo(-150, bb[1])
pen.closePath() pen.closePath()
os.unlink(sys.argv[1]) os.unlink(sys.argv[1])
f.generate(sys.argv[1]) f.generate(sys.argv[1])
''; '';
in in
stdenv.mkDerivation { runCommand "bck-nerdfont" { inherit src; } ''
name = "bck-nerdfont"; find $src -name '*Complete.ttf' -exec install -D -t $out/share/fonts/truetype {} \;
find $out -name '*Complete.ttf' -exec ${postprocess} {} \;
dontUnpack = true; ''
src = fetchFromGitHub {
owner = "ryanoasis";
repo = "nerd-fonts";
rev = "v2.1.0";
sha256 = "j0cLZHOLyoItdvLOQVQVurY3ARtndv0FZTynaYJPR9E=";
};
buildPhase = ''
# Either Octicons or FontAwesome are required. Take your pick.
# They cause the fontlinux characters to move to the correct slots.
# (see fontlinuxExactEncodingPosition)
find ${dejavu_fonts}/share/fonts/truetype -name 'DejaVuSansMono*' -print0 |
xargs -0n1 ${py}/bin/python $src/font-patcher \
--fontlinux --octicons --powerline \
--postprocess ${postprocess}
'';
installPhase = ''
mkdir -p $out/share/fonts/truetype
cp -v *.ttf $out/share/fonts/truetype/
'';
}