Can't brew install because of checksum error

How do I install this on OSX?

I have tried many fixes, I fixed the 1f037cc29cee8e0c60ab4753d4151741c8170e4849129bac68fdc60925eb971d vs 7ce4f70f1cb03cd0bab7dc94821a89bf71600bd59c763ae0d78c48f33db3d9ac error, that gave me:
/tmp/inkscape-20181213-31009-1m3uku/inkscape-0.92.2/src/extension/internal/pdfinput/pdf-parser.h:299:9: error: unknown type name 'GBool'
               GBool isolated = gFalse, GBool knockout = gFalse,
               ^


I tried: brew install caskformula/caskformula/inkscape --HEAD --branch-0.92
That gave me:
/tmp/inkscape-20181213-35698-1n7iyun/src/extension/internal/pdfinput/svg-builder.cpp:1023:48: error: no member named 'getCString' in 'GooString'
        _font_specification = font->getName()->getCString();
                              ~~~~~~~~~~~~~~~  ^

I tried: brew cask install inkscape
But that wants me to install XQuartz.

When it fails:
Error when installing Inkscape https://github.com/caskformula/homebrew-caskformula/issues/72
inkscape does not start https://github.com/caskformula/homebrew-caskformula/issues/4
Inkscape Error Installation https://github.com/caskformula/homebrew-caskformula/issues/56
Error installing Inkscape https://github.com/caskformula/homebrew-caskformula/issues/46
Inkscape doesn't start https://github.com/caskformula/homebrew-caskformula/issues/43
problem with Inkscape https://github.com/caskformula/homebrew-caskformula/issues/14
Inkscape crashes on macOS 10.13.3 https://github.com/caskformula/homebrew-caskformula/issues/41
Mixed Language display in UI of Inkscape https://github.com/caskformula/homebrew-caskformula/issues/33
Installing inkscape --HEAD on MacOS 10.13.6 https://github.com/caskformula/homebrew-caskformula/issues/60
Inkscape brew install fail on OSX 10.12.6 https://github.com/caskformula/homebrew-caskformula/issues/39
Installation of inkscape fails on MacOS 10.13.4 https://github.com/caskformula/homebrew-caskformula/issues/52
Inkscape brew formula runs successfully but app not in Applications https://github.com/caskformula/homebrew-caskformula/issues/30
inkscape fail on Mac OS Sierra 10.12.6 https://github.com/caskformula/homebrew-caskformula/issues/29
Inkscape fails to install on homebrew new install 10.13.3 High Sierra OS X https://github.com/caskformula/homebrew-caskformula/issues/40
Inkscape on osx 10.13.x fails on goo/GooHash.h https://github.com/caskformula/homebrew-caskformula/issues/55

Most of these issues were filed back in June. Most of them are open.

What does it take to get Inkscape to work on OSX? I had this working but brew upgrade broke my inkscape.