Separate Ubuntu .deb packages per Ubuntu release (#4357)

Our .deb packages are now very Ubuntu-specific and are packages based on our CI builds.

.CI/CreateAppImage.sh

@@ -57,3 +57,6 @@ exec "$here/usr/bin/chatterino" "$@"' > appdir/AppRun
 chmod a+x appdir/AppRun
 
 ./appimagetool-x86_64.AppImage appdir
+
+# TODO: Create appimage in a unique directory instead maybe idk?
+rm -rf appdir

.CI/CreateUbuntuDeb.sh

@@ -1,6 +1,37 @@
 #!/bin/sh
+
 set -e
 
+breakline() {
+    printf "================================================================================\n\n"
+}
+
+# Configured in the CI step
+install_prefix="appdir/usr"
+
+# The directory we finally pack into our .deb package
+packaging_dir="package"
+
+# Get the Ubuntu Release (e.g. 20.04 or 22.04)
+ubuntu_release="$(lsb_release -rs)"
+
+# Refactor opportunity:
+case "$ubuntu_release" in
+    20.04)
+        dependencies="libc6, libstdc++6, libqt5core5a, libqt5concurrent5, libqt5dbus5, libqt5gui5, libqt5network5, libqt5svg5, libqt5widgets5, qt5-image-formats-plugins, libboost-filesystem1.71.0"
+        ;;
+    22.04)
+        dependencies="libc6, libstdc++6, libqt5core5a, libqt5concurrent5, libqt5dbus5, libqt5gui5, libqt5network5, libqt5svg5, libqt5widgets5, qt5-image-formats-plugins, libboost-filesystem1.74.0"
+        ;;
+    *)
+        echo "Unsupported Ubuntu release $ubuntu_release"
+        exit 1
+        ;;
+esac
+
+echo "Building Ubuntu .deb file on '$ubuntu_release'"
+echo "Dependencies: $dependencies"
+
 if [ ! -f ./bin/chatterino ] || [ ! -x ./bin/chatterino ]; then
     echo "ERROR: No chatterino binary file found. This script must be run in the build folder, and chatterino must be built first."
     exit 1
@@ -8,33 +39,53 @@ fi
 
 chatterino_version=$(git describe 2>/dev/null | cut -c 2-) || true
 if [ -z "$chatterino_version" ]; then
+    # Fall back to this in case the build happened outside of a git repo
     chatterino_version="0.0.0-dev"
-    echo "Falling back to setting the version to '$chatterino_version'"
-else
-    echo "Found Chatterino version $chatterino_version via git"
 fi
 
-rm -vrf "./package" || true  # delete any old packaging dir
+# Make sure no old remnants of a previous packaging remains
+rm -vrf "$packaging_dir"
 
-# create ./package/ from scratch
-mkdir package/DEBIAN -p
-packaging_dir="$(realpath ./package)"
+mkdir -p "$packaging_dir/DEBIAN"
 
 echo "Making control file"
 cat >> "$packaging_dir/DEBIAN/control" << EOF
 Package: chatterino
-Section: net
-Priority: optional
+Version: $chatterino_version
 Architecture: amd64
 Maintainer: Mm2PL <mm2pl@kotmisia.pl>
-Description: Testing out chatterino as a Ubuntu package
-Depends: libc6, libqt5concurrent5, libqt5core5a, libqt5dbus5, libqt5gui5, libqt5multimedia5, libqt5network5, libqt5svg5, libqt5widgets5, libssl1.1, libstdc++6
+Depends: $dependencies
+Section: net
+Priority: optional
+Homepage: https://github.com/Chatterino/chatterino2
+Description: Ubuntu package built for $ubuntu_release
 EOF
-echo "Version: $chatterino_version" >> "$packaging_dir/DEBIAN/control"
+cat "$packaging_dir/DEBIAN/control"
+breakline
 
-echo "Running make install in package dir"
-DESTDIR="$packaging_dir" make INSTALL_ROOT="$packaging_dir" -j"$(nproc)" install; find "$packaging_dir/"
-echo ""
 
-echo "Building package..."
+echo "Running make install"
+make install
+find "$install_prefix"
+breakline
+
+
+echo "Merge install into packaging dir"
+cp -rv "$install_prefix/" "$packaging_dir/"
+find "$packaging_dir"
+breakline
+
+
+echo "Building package"
 dpkg-deb --build "$packaging_dir" "Chatterino-x86_64.deb"
+breakline
+
+
+echo "Package info"
+dpkg --info Chatterino-x86_64.deb
+breakline
+
+
+echo "Package contents"
+dpkg --contents Chatterino-x86_64.deb # Shows folders and files inside .deb file
+breakline