Remove docker dependency in Linux and replace with podman

.circleci/config.yml

@@ -81,37 +81,6 @@ jobs:
             package_cloud push firstlookmedia/code/ubuntu/groovy deb_dist/dangerzone_${VERSION}-1_all.deb
             package_cloud push firstlookmedia/code/ubuntu/groovy deb_dist/dangerzone_${VERSION}-1.dsc
 
-  build-ubuntu-focal:
-    docker:
-      - image: ubuntu:20.04
-    steps:
-      - run:
-          name: Install dependencies
-          command: |
-            export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true
-            apt-get update
-            apt-get install -y git ssh ruby-dev rubygems python-all dh-python python3 python3-stdeb python3-pyside2.qtcore python3-pyside2.qtgui python3-pyside2.qtwidgets python3-appdirs python3-click python3-xdg python3-requests python3-colorama
-            gem install -N rake
-            gem install -N package_cloud
-      - checkout
-      - run:
-          name: Create the .deb package
-          command: |
-            ./install/linux/build_deb.py
-            dpkg -i deb_dist/dangerzone_*-1_all.deb
-      - run:
-          name: Deploy to packagecloud.io
-          # Linux Mint 20 (ulyana) and 20.1 (ulyssa) are based on Ubuntu 20.04 LTS
-          # https://en.wikipedia.org/wiki/Linux_Mint_version_history
-          command: |
-            VERSION=$(cat share/version.txt)
-            package_cloud push firstlookmedia/code/ubuntu/focal deb_dist/dangerzone_${VERSION}-1_all.deb
-            package_cloud push firstlookmedia/code/ubuntu/focal deb_dist/dangerzone_${VERSION}-1.dsc
-            package_cloud push firstlookmedia/code/linuxmint/ulyana deb_dist/dangerzone_${VERSION}-1_all.deb
-            package_cloud push firstlookmedia/code/linuxmint/ulyana deb_dist/dangerzone_${VERSION}-1.dsc
-            package_cloud push firstlookmedia/code/linuxmint/ulyssa deb_dist/dangerzone_${VERSION}-1_all.deb
-            package_cloud push firstlookmedia/code/linuxmint/ulyssa deb_dist/dangerzone_${VERSION}-1.dsc
-
   build-debian-bullseye:
     docker:
       - image: debian:bullseye
@@ -136,30 +105,6 @@ jobs:
             package_cloud push firstlookmedia/code/debian/bullseye deb_dist/dangerzone_${VERSION}-1_all.deb
             package_cloud push firstlookmedia/code/debian/bullseye deb_dist/dangerzone_${VERSION}-1.dsc
 
-  build-debian-buster:
-    docker:
-      - image: debian:buster
-    steps:
-      - run:
-          name: Install dependencies
-          command: |
-            apt-get update
-            apt-get install -y git ssh ruby-dev rubygems python-all dh-python python3 python3-stdeb python3-pyside2.qtcore python3-pyside2.qtgui python3-pyside2.qtwidgets python3-appdirs python3-click python3-xdg python3-requests python3-colorama
-            gem install --no-ri --no-rdoc rake
-            gem install --no-ri --no-rdoc package_cloud
-      - checkout
-      - run:
-          name: Create the .deb package
-          command: |
-            ./install/linux/build_deb.py
-            dpkg -i deb_dist/dangerzone_*-1_all.deb
-      - run:
-          name: Deploy to packagecloud.io
-          command: |
-            VERSION=$(cat share/version.txt)
-            package_cloud push firstlookmedia/code/debian/buster deb_dist/dangerzone_${VERSION}-1_all.deb
-            package_cloud push firstlookmedia/code/debian/buster deb_dist/dangerzone_${VERSION}-1.dsc
-
   build-fedora-34:
     docker:
       # The package_cloud ruby gem doesn't work properly when installed in fedora 34,
@@ -252,24 +197,12 @@ workflows:
               only: /^v.*/
             branches:
               ignore: /.*/
-      - build-ubuntu-focal:
-          filters:
-            tags:
-              only: /^v.*/
-            branches:
-              ignore: /.*/
       - build-debian-bullseye:
           filters:
             tags:
               only: /^v.*/
             branches:
               ignore: /.*/
-      - build-debian-buster:
-          filters:
-            tags:
-              only: /^v.*/
-            branches:
-              ignore: /.*/
       - build-fedora-34:
           filters:
             tags:

BUILD.md

@@ -5,11 +5,9 @@
 Install dependencies:
 
 ```sh
-sudo apt install -y dh-python python3 python3-stdeb python3-pyside2.qtcore python3-pyside2.qtgui python3-pyside2.qtwidgets python3-appdirs python3-click python3-xdg python3-requests python3-colorama
+sudo apt install -y podman dh-python python3 python3-stdeb python3-pyside2.qtcore python3-pyside2.qtgui python3-pyside2.qtwidgets python3-appdirs python3-click python3-xdg python3-requests python3-colorama
 ```
 
-You also need docker, either by installing the [Docker snap package](https://snapcraft.io/docker), installing the `docker.io` package, or by installing `docker-ce` by following [these instructions for Ubuntu](https://docs.docker.com/install/linux/docker-ce/ubuntu/) or [for Debian](https://docs.docker.com/install/linux/docker-ce/debian/).
-
 Run from source tree:
 
 ```sh
@@ -27,11 +25,9 @@ Create a .deb:
 Install dependencies:
 
 ```sh
-sudo dnf install -y rpm-build python3 python3-setuptools python3-pyside2 python3-appdirs python3-click python3-pyxdg python3-requests python3-colorama
+sudo dnf install -y rpm-build podman python3 python3-setuptools python3-pyside2 python3-appdirs python3-click python3-pyxdg python3-requests python3-colorama
 ```
 
-You also need docker, either by installing the `docker` package, or by installing `docker-ce` by following [these instructions](https://docs.docker.com/install/linux/docker-ce/fedora/).
-
 Run from source tree:
 
 ```sh

install/linux/build_rpm.py

@@ -29,7 +29,7 @@ def main():
 
     print("* Building RPM package")
     subprocess.run(
-        "python3 setup.py bdist_rpm --requires='python3-pyside2,python3-appdirs,python3-click,python3-pyxdg,python3-requests,python3-colorama,(docker or docker-ce)'",
+        "python3 setup.py bdist_rpm --requires='podman,python3-pyside2,python3-appdirs,python3-click,python3-pyxdg,python3-requests,python3-colorama'",
         shell=True,
         cwd=root,
         check=True,

stdeb.cfg

@@ -1,6 +1,6 @@
 [DEFAULT]
 Package3: dangerzone
-Depends3: python3, python3-pyside2.qtcore, python3-pyside2.qtgui, python3-pyside2.qtwidgets, python3-appdirs, python3-click, python3-xdg, python3-requests, python3-colorama
+Depends3: podman, python3, python3-pyside2.qtcore, python3-pyside2.qtgui, python3-pyside2.qtwidgets, python3-appdirs, python3-click, python3-xdg, python3-requests, python3-colorama
 Build-Depends: dh-python, python3, python3-all
 Suite: bionic
 X-Python3-Version: >= 3.6