Add appimage signing key.

.travis.yml

@@ -132,6 +132,8 @@ matrix:
   - os: osx
     osx_image: xcode10.1
 before_install:
+- openssl aes-256-cbc -K $encrypted_38876355cb3e_key -iv $encrypted_38876355cb3e_iv
+  -in appimage/secret.gpg.enc -out appimage/secret.gpg -d
 - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then eval "${MATRIX_EVAL}" ; fi
 - |
   if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
@@ -221,13 +223,13 @@ script:
 branches:
   only:
   - master
-    - /^v\d+\.\d+(\.\d+)?(-\S*)?$/
+  - "/^v\\d+\\.\\d+(\\.\\d+)?(-\\S*)?$/"
 sudo: required
 cache:
 - directories:
-      - '$HOME/.sonar/cache'
+  - "$HOME/.sonar/cache"
 before_deploy:
-  - './appimage/build.sh'
+- "./appimage/build.sh"
 deploy:
   provider: releases
   file_glob: true
@@ -235,6 +237,6 @@ deploy:
   skip_cleanup: true
   on:
     tags: true
-    condition: '$CXX = clang++-7'
+    condition: "$CXX = clang++-7"
   api_key:
     secure: YGmk5e9am7gwH1pKJVwjHPheaLrSxMIIa5iDvnto9KKaj9VDgsynzPFcwfP6my78qMszdpC7IsjpukpKFBpmifAZ7OQcpEDFp1d91kXcTEM9ILgu3j3kl/gr6nIkzqJO9VAwlYO5H3t5xlD6EZa36FGg0Nlvi2cCuNG7mEyVJy0=

appimage/build.sh

@@ -41,11 +41,15 @@ wget https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/lin
 # make them executable
 chmod +x linuxdeploy-x86_64.AppImage
 
+# import signing key
+gpg --allow-secret-key-import secret.gpg
+
 ./linuxdeploy-x86_64.AppImage \
     --appdir AppDir \
     -e AppDir/usr/bin/conky \
     -i AppDir/usr/share/icons/hicolor/scalable/apps/conky-logomark-violet.svg \
     -d AppDir/usr/share/applications/conky.desktop \
+    --sign \
     --output appimage
 
 mv conky*.AppImage "$OLD_CWD"