chore(CI): Remove knowledge of build context from AppImage build script

* Since nightlies are now published under qTox/qTox, different update
  info is not needed for the zsync file.
* The github action yaml already handles naming files correctly
  otherwise.

.github/workflows/build-test-deploy.yaml

@@ -224,6 +224,8 @@ jobs:
         if: contains(github.ref, 'refs/tags/v')
         id: get_version
         run: echo ::set-output name=VERSION::$(echo $GITHUB_REF | cut -d / -f 3)
+      # The zync file names MUST match the pattern "qTox-*.x86_64.AppImage.zsync"
+      # indefinitely for older versions to be able to update https://github.com/AppImage/AppImageSpec/blob/master/draft.md#github-releases
       - name: Rename appimage for release upload
         if: contains(github.ref, 'refs/tags/v')
         run: |
@@ -250,7 +252,7 @@ jobs:
           prerelease: true
           replacesArtifacts: true
           token: ${{ secrets.GITHUB_TOKEN }}
-          artifacts: "qTox-nightly.x86_64.AppImage"
+          artifacts: "qTox-*.x86_64.AppImage,qTox-*.x86_64.AppImage.zsync"
   build-flatpak:
     name: Flatpak
     runs-on: ubuntu-latest

appimage/build.sh

@@ -54,17 +54,8 @@ readonly LOCAL_LIB_DIR="$QTOX_APP_DIR"/local/lib
 readonly LDQT_BIN="/usr/lib/qt5/bin/linuxdeployqt"
 
 # update information to be embeded in AppImage
-if [ "cron" == "${TRAVIS_EVENT_TYPE:-}" ]
-then
-    # update information for nightly version
-    readonly NIGHTLY_REPO_SLUG=$(echo "$CIRP_GITHUB_REPO_SLUG" | tr "/" "|")
-    readonly UPDATE_INFO="gh-releases-zsync|$NIGHTLY_REPO_SLUG|ci-master-latest|qTox-*-x86_64.AppImage.zsync"
-else
-    # update information for stable version
-    readonly UPDATE_INFO="gh-releases-zsync|qTox|qTox|latest|qTox-*.x86_64.AppImage.zsync"
-fi
-
-export VERSION=$(git -C "${QTOX_SRC_DIR}" rev-parse --short HEAD)
+readonly UPDATE_INFO="gh-releases-zsync|qTox|qTox|latest|qTox-*.x86_64.AppImage.zsync"
+export GIT_VERSION=$(git -C "${QTOX_SRC_DIR}" rev-parse --short HEAD)
 
 echo $QTOX_APP_DIR
 cmake "${QTOX_SRC_DIR}" -DDESKTOP_NOTIFICATIONS=ON -DUPDATE_CHECK=ON -DCMAKE_BUILD_TYPE=Release
@@ -106,16 +97,4 @@ for lib in "${libs[@]}"; do
     patchelf --set-rpath '$ORIGIN' "$LOCAL_LIB_DIR/$lib_file_name"
 done
 
-# this is important, aitool automatically uses the same filename in .zsync meta file.
-# if this name does not match with the one we upload, the update always fails.
-if [ -n "${TRAVIS_TAG-}" ]
-then
-    VERSION_NAME="${TRAVIS_TAG}"
-elif [ -n "${TRAVIS_COMMIT-}" ]
-then
-    VERSION_NAME="${TRAVIS_COMMIT}"
-else
-    VERSION_NAME="${VERSION}"
-fi
-
-appimagetool -u "$UPDATE_INFO" $QTOX_APP_DIR qTox-$VERSION_NAME.x86_64.AppImage
+appimagetool -u "$UPDATE_INFO" $QTOX_APP_DIR qTox-${GIT_VERSION}.x86_64.AppImage