ubuntu tools misc

tools/ubuntu/desktop-upgrade.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+# https://dev.to/chefgs/upgrading-an-end-of-life-eol-ubuntu-os-to-lts-version-3a36
+# https://changelogs.ubuntu.com/meta-release
+
+# shellcheck disable=SC1091
+source /etc/os-release
+
+echo "Loading..."
+mapfile -t codenames < <(curl -s https://changelogs.ubuntu.com/meta-release | grep -oP '(?<=Dist:\s).*')
+thisCodename="$VERSION_CODENAME"
+for idx in "${!codenames[@]}"; do
+    if [ "${codenames[idx]}" = "$thisCodename" ]; then
+        nextCodename=${codenames[((idx+1))]}
+    fi
+done
+
+targetDownloadPath="$(pwd)/upgrade-$nextCodename"
+targetToolPath="$targetDownloadPath/unpacked"
+targetToolFile="$targetDownloadPath/$nextCodename.tar.gz"
+
+echo "Current dist: $thisCodename"
+echo "Next dist:    $nextCodename"
+echo "Target path:  $targetToolFile"
+
+rm -rf "$targetToolPath"
+mkdir -p "$targetToolPath"
+
+echo "Downloading..."
+cd "$targetDownloadPath" || exit 1
+wget "http://archive.ubuntu.com/ubuntu/dists/${nextCodename}-updates/main/dist-upgrader-all/current/${nextCodename}.tar.gz"
+
+echo "Unpacking..."
+tar -xaf "$targetToolFile" -C "$targetToolPath"
+
+echo "Starting..."
+cd ./unpacked || exit 1
+
+# shellcheck disable=SC2086
+sudo ./$nextCodename