gnu: zathura: Don't propagate girara in dependent packages.
* gnu/packages/pdf.scm (zathura-cb, zathura-ps, zathura-djvu,
zathura-pdf-mupdf, zathura-pdf-poppler)[propagated-inputs]: Remove GIRARA.
gnu: zathura, girara: Use the test-only xorg variant for tests.
* gnu/packages/gtk.scm (girara)[native-inputs]: Replace XORG-SERVER with
XORG-SERVER-1.19.3.
[arguments]: Add #:disallowed-references.
* gnu/packages/pdf.scm (zathura)[native-inputs, arguments]: Likewise.
gnu: zathura: Increase test timeouts.
* gnu/packages/pdf.scm (zathura): Export CK_DEFAULT_TIMEOUT before running
tests.
gnu: ghc-mtl: Remove ghc-transformers from inputs.
* gnu/packages/haskell.scm (ghc-mtl)[arguments]: Explain why we need to allow
a newer version of the transformers package.
[inputs]: Remove ghc-transformers.
gnu: vsearch: Update to 2.7.1.
* gnu/packages/bioinformatics.scm (vsearch): Update to 2.7.1.
services: xorg: Import (ice-9 rdelim).
* gnu/services/xorg.scm (xinitrc): Import (ice-9 rdelim).
gnu: git: Update to 2.16.2.
* gnu/packages/version-control.scm (git): Update to 2.16.2.
gnu: glpk: Update to 4.65.
* gnu/packages/maths.scm (glpk): Update to 4.65.
gnu: xf86-video-vesa: Update to 2.4.0.
* gnu/packages/xorg.scm (xf86-video-vesa): Update to 2.4.0.
gnu: Add colobot.
* gnu/packages/games.scm (colobot): New variable.
gnu: tiled: Update to 1.1.2.
* gnu/packages/game-development.scm (tiled): Update to 1.1.2.
gnu: mpv: Update to 0.28.2.
* gnu/packages/video.scm (mpv): Update to 0.28.2.
gnu: perl-dbd-pg: Update to 3.7.4.
* gnu/packages/databases.scm (perl-dbd-pg): Update to 3.7.4.
gnu: ristretto: Update to 0.8.2.
* gnu/packages/xfce.scm (ristretto): Update to 0.8.2.
gnu: opusfile: Update to 0.10.
* gnu/packages/xiph.scm (opusfile): Update to 0.10.
gnu: erlang: Update phase style.
* gnu/packages/erlang.scm (erlang)[arguments]: Substitute INVOKE for
SYSTEM*, don't use %OUTPUTS, and end phases with #t.
gnu: erlang: Update to 20.2.3.
* gnu/packages/erlang.scm (erlang): Update to 20.2.3.