ci: re-enable snap publishing

.gitlab-ci.yml

@@ -54,8 +54,6 @@ test-audit:
 build-linux:
   stage:                           build
   only:                            *releaseable_branches
-  variables:
-    CARGO_TARGET:                  x86_64-unknown-linux-gnu
   script:
     - scripts/gitlab/build-unix.sh
   <<:                              *collect_artifacts
@@ -97,6 +95,23 @@ publish-docker:
   script:
     - scripts/gitlab/publish-docker.sh parity
 
+publish-snap:
+  stage:                           publish
+  only:                            *releaseable_branches
+  image:                           parity/snapcraft:gitlab-ci
+  variables:
+    BUILD_ARCH:                  amd64
+  cache: {}
+  before_script:                   *determine_version
+  dependencies:
+    - build-linux
+  tags:
+    - rust-stable
+  script:
+    - scripts/gitlab/publish-snap.sh
+  allow_failure:                   true
+  <<:                              *collect_artifacts
+
 publish-awss3:
   stage:                           publish
   only:                            *releaseable_branches

scripts/gitlab/publish-snap.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+set -e # fail on any error
+set -u # treat unset variables as error
+
+TRACK=`awk -F '=' '/^track/ {print $2}' ./util/version/Cargo.toml`
+
+case ${TRACK} in
+  nightly) export GRADE="devel" CHANNEL="edge";;
+  beta) export GRADE="stable" CHANNEL="beta";;
+  stable) export GRADE="stable" CHANNEL="stable";;
+  *) echo "No release" exit 0;;
+esac
+
+SNAP_PACKAGE="parity_"$VERSION"_"$BUILD_ARCH".snap"
+
+echo "__________Create snap package__________"
+echo "Release channel :" $GRADE " Branch/tag: " $CI_COMMIT_REF_NAME
+echo $VERSION:$GRADE:$BUILD_ARCH
+cat scripts/snap/snapcraft.template.yaml | envsubst '$VERSION:$GRADE:$BUILD_ARCH:$CARGO_TARGET' > snapcraft.yaml
+cat snapcraft.yaml
+snapcraft --target-arch=$BUILD_ARCH
+ls *.snap
+
+echo "__________Calculating checksums__________"
+rhash --sha256 $SNAP_PACKAGE -o $SNAP_PACKAGE".sha256"
+cat $SNAP_PACKAGE".sha256"
+
+echo "__________Releasing snap package__________"
+echo "Release channel :" $CHANNEL " Branch/tag: " $CI_COMMIT_REF_NAME
+
+echo $SNAPCRAFT_LOGIN_PARITY_BASE64 | base64 --decode > snapcraft.login
+snapcraft login --with snapcraft.login
+snapcraft push --release $CHANNEL $SNAP_PACKAGE
+snapcraft status parity
+snapcraft logout

scripts/snap/parity.desktop

@@ -0,0 +1,8 @@
+[Desktop Entry]
+Type=Application
+Encoding=UTF-8
+Name=Parity Ethereum
+Comment=The fastest and most advanced Ethereum client.
+Exec=parity
+Icon=/usr/share/pixmaps/icon.png
+Terminal=true

scripts/snap/snapcraft.template.yaml

@@ -0,0 +1,57 @@
+name:               parity
+version:            $VERSION
+architectures:      [$BUILD_ARCH]
+grade:              $GRADE
+confinement:        strict
+
+summary:            Fast, light, robust Ethereum implementation
+description:        |
+  Parity's goal is to be the fastest, lightest, and most secure Ethereum
+  client. We are developing Parity using the sophisticated and cutting-edge
+  Rust programming language. Parity is licensed under the GPLv3, and can be
+  used for all your Ethereum needs.
+
+apps:
+  parity:
+    command:        parity
+    plugs:          [home, network, network-bind, mount-observe, x11, unity7, desktop, desktop-legacy, wayland]
+    desktop:        ./usr/share/applications/parity.desktop
+  parity-evm:
+    command:        parity-evm
+    plugs:          [home, network, network-bind]
+  ethkey:
+    command:        ethkey
+    plugs:          [home]
+  ethstore:
+    command:        ethstore
+    plugs:          [home]
+  whisper:
+    command:        whisper
+    plugs:          [home, network-bind]
+
+icon:               ./scripts/snap/icon.png
+
+parts:
+  desktop-icon:
+    source:         ./scripts/snap
+    plugin:         nil
+    override-build:        |
+      mkdir -p $SNAPCRAFT_PART_INSTALL/usr/share/applications
+      mkdir -p $SNAPCRAFT_PART_INSTALL/usr/share/pixmaps
+      cp -v ./parity.desktop $SNAPCRAFT_PART_INSTALL/usr/share/applications/
+      cp -v ./icon.png $SNAPCRAFT_PART_INSTALL/usr/share/pixmaps/
+  parity:
+    source:         ./artifacts/$CARGO_TARGET
+    plugin:         nil
+    override-build:        |
+      mkdir -p $SNAPCRAFT_PART_INSTALL/usr/bin
+      cp -v parity $SNAPCRAFT_PART_INSTALL/usr/bin/parity
+      cp -v parity-evm $SNAPCRAFT_PART_INSTALL/usr/bin/parity-evm
+      cp -v ethkey $SNAPCRAFT_PART_INSTALL/usr/bin/ethkey
+      cp -v ethstore $SNAPCRAFT_PART_INSTALL/usr/bin/ethstore
+      cp -v whisper $SNAPCRAFT_PART_INSTALL/usr/bin/whisper
+    stage-packages: [libc6, libudev1, libstdc++6, cmake, libdb]
+  df:
+    plugin:         nil
+    stage-packages: [coreutils]
+    stage:          [bin/df]