Deactivate Gentoo Docker image due to its high maintenance costs

- See issue #380 for details

Signed-off-by: Thomas Lauf <thomas.lauf@tngtech.com>

.travis.yml

@@ -2,10 +2,11 @@ sudo: required
 language: generic
 matrix:
   include:
-    - name: "Gentoo (latest)"
-      os: linux
-      env: CONTAINER=gentoo
-      services: docker
+# Deactivated, see https://github.com/GothenburgBitFactory/timewarrior/issues/380
+#    - name: "Gentoo (latest)"
+#      os: linux
+#      env: CONTAINER=gentoo
+#      services: docker
     - name: "Centos 7"
       os: linux
       env: CONTAINER=centos7

docker-compose.yml

@@ -72,14 +72,15 @@ services:
     security_opt:
       - label=type:container_runtime_t
     tty: true
-  test-gentoo:
-    build:
-      context: .
-      dockerfile: test/docker/gentoo
-    network_mode: "host"
-    security_opt:
-      - label=type:container_runtime_t
-    tty: true
+# Deactivated, see https://github.com/GothenburgBitFactory/timewarrior/issues/380
+#  test-gentoo:
+#    build:
+#      context: .
+#      dockerfile: test/docker/gentoo
+#    network_mode: "host"
+#    security_opt:
+#      - label=type:container_runtime_t
+#    tty: true
   test-opensuse1500:
     build:
       context: .

test/docker/gentoo

@@ -1,3 +1,4 @@
+# Currently deactivated, see https://github.com/GothenburgBitFactory/timewarrior/issues/380
 # image is based on stage3-x86
 FROM gentoo/stage3-x86:latest