mizar/snap/snapcraft.yaml

name: mizar
adopt-info: mizar
summary: A TCP testing tool, useful and intuitive to use right out of the box.
description: |
  Mizar is a TCP tester/debugger designed to be immediately useful and intuitive to use right out of the box.  
  The purpose of Mizar is to help developers working on software that communicates over TCP protocol by speeding up debugging and testing from the earliest stages of development.  
base: core20

grade: stable
confinement: strict

architectures:
  - build-on: amd64
compression: lzo
layout:
  /etc/nsswitch.conf:
    bind-file: $SNAP/etc/nsswitch.conf

parts:
  mizar:
    plugin: dump
    source: .
    override-build: |
      snapcraftctl build
      ARCHITECTURE=$(dpkg --print-architecture)
      if [ "${ARCHITECTURE}" = "amd64" ]; then
        FILTER="amd64.deb"
      else
        echo "ERROR! Mizar only produces debs for amd64. Failing the build here."
        exit 1
      fi
      # Get the latest releases json
      echo "Get GitHub releases..."
      wget --quiet https://api.github.com/repos/fabio286/mizar/releases/latest -O releases.json
      # Get the version from the tag_name and the download URL.
      VERSION=$(jq . releases.json | grep tag_name | cut -d'"' -f4 | sed s'/release-//')
      DEB_URL=$(cat releases.json | jq -r ".assets[] | select(.name | test(\"${FILTER}\")) | .browser_download_url")
      DEB=$(basename "${DEB_URL}")
      echo "Downloading ${DEB_URL}..."
      wget --quiet "${DEB_URL}" -O "${SNAPCRAFT_PART_INSTALL}/${DEB}"
      echo "Unpacking ${DEB}..."
      dpkg -x "${SNAPCRAFT_PART_INSTALL}/${DEB}" ${SNAPCRAFT_PART_INSTALL}
      rm -f releases.json 2>/dev/null
      rm -f "${SNAPCRAFT_PART_INSTALL}/${DEB}" 2>/dev/null
      echo $VERSION > $SNAPCRAFT_STAGE/version
      # Correct path to icon.
      sed -i 's|Icon=mizar|Icon=/usr/share/icons/hicolor/256x256/apps/mizar\.png|g' ${SNAPCRAFT_PART_INSTALL}/usr/share/applications/mizar.desktop
      # Delete usr/bin/mizar, it's a broken symlink pointing outside the snap.
      rm -f ${SNAPCRAFT_PART_INSTALL}/usr/bin/mizar
      chmod -s ${SNAPCRAFT_PART_INSTALL}/opt/Mizar/chrome-sandbox
      snapcraftctl set-version "$(echo $VERSION)"      
    build-packages:
      - dpkg
      - jq
      - sed
      - wget
    stage-packages:
      - fcitx-frontend-gtk3
      - libappindicator3-1
      - libasound2
      - libcurl4
      - libgconf-2-4
      - libgtk-3-0
      - libnotify4
      - libnspr4
      - libnss3
      - libpcre3
      - libpulse0
      - libxss1
      - libsecret-1-0
      - libxtst6
      - libxkbfile1
      - gcc-10-base
      - libapparmor1
      - libblkid1
      - libbsd0
      - libcom-err2
      - libcrypt1
      - libdb5.3
      - libdbus-1-3
      - libexpat1
      - libffi7
      - libgcc-s1
      - libgcrypt20
      - libglib2.0-0
      - libgmp10
      - libgnutls30
      - libgpg-error0
      - libgssapi-krb5-2
      - libhogweed5
      - libidn2-0
      - libjson-c4
      - libk5crypto3
      - libkeyutils1
      - libkrb5-3
      - libkrb5support0
      - liblz4-1
      - liblzma5
      - libmount1
      - libnettle7
      - libp11-kit0
      - libpcre2-8-0
      - libselinux1
      - libsqlite3-0
      - libssl1.1
      - libstdc++6
      - libsystemd0
      - libtasn1-6
      - libudev1
      - libunistring2
      - libuuid1
      - libwrap0
      - libzstd1
      - zlib1g 
      - libx11-xcb1
      - libdrm2
      - libgbm1
      - libxcb-dri3-0
  cleanup:
    after: [mizar]
    plugin: nil
    build-snaps: [gnome-3-38-2004]
    override-prime: |
      set -eux
      cd /snap/gnome-3-38-2004/current
      find . -type f,l -exec rm -f $SNAPCRAFT_PRIME/{} \;      

  mdns-lookup:
    # Make resolution of ".local" host names (Zero-Conf/mDNS/DNS-SD)
    # working: Take the original nsswitch.conf file from the base
    # Snap and add "mdns4_minimal [NOTFOUND=return]" to its "hosts:" line
    # Also install corresponding mdns4_minimal plug-in
    # See: https://forum.snapcraft.io/t/no-mdns-support-in-snaps-should-core-have-a-modified-nsswitch-conf/
    plugin: nil
    stage-packages:
      - libnss-mdns
    override-prime: |
      set -eux
      sed -Ee 's/^\s*hosts:(\s+)files/hosts:\1files mdns4_minimal \[NOTFOUND=return\]/' /snap/core20/current/etc/nsswitch.conf > $SNAPCRAFT_STAGE/etc/nsswitch.conf
      snapcraftctl prime      
    prime:
      - lib/$SNAPCRAFT_ARCH_TRIPLET/libnss_mdns4_minimal*
      - etc/nsswitch.conf

apps:
  mizar:
    command: opt/Mizar/mizar --no-sandbox
    desktop: usr/share/applications/mizar.desktop
    extensions: [gnome-3-38]
    environment:
      # Fallback to XWayland if running in a Wayland session.
      DISABLE_WAYLAND: 1
    plugs:
      - browser-support
      - cups-control
      - home
      - network
      - opengl
      - pulseaudio
      - removable-media
      - unity7