Add image for gentoo

.gitlab-ci.yml

@@ -29,5 +29,8 @@ debian:
 fedora:
   <<: *build-docker-image
 
+gentoo:
+  <<: *build-docker-image
+
 linting:
   <<: *build-docker-image

gentoo

+FROM gentoo/stage3-amd64
+ENV ACCEPT_KEYWORDS ~amd64
+ENV EMERGE_DEFAULT_OPTS --buildpkg --quiet y --quiet-build y --with-bdeps=y --usepkg
+ENV USE cairo introspection jpeg tiff
+
+RUN mkdir -p /usr/portage \
+&&  emerge-webrsync --quiet \
+&&  eselect locale set en_US.utf8 \
+&&  . /etc/profile \
+&&  emerge app-text/poppler \
+&&  dev-python/pycairo \
+&&  dev-python/pygobject \
+&&  media-libs/exiftool \
+&&  media-libs/mutagen \
+&&  sys-apps/bubblewrap \
+&&  virtual/ffmpeg \
+&&  x11-libs/gdk-pixbuf