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50 lines
956 B
50 lines
956 B
#!/bin/sh
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set -eu
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apt_opt=
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if [ $# -eq 0 ]; then
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: # interactive
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elif [ "${1:-}" = "-y" ]; then
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apt_opt="-y"
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shift
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fi
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obsolete_kernels() {
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local current= latest=
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local v= p=
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if [ $# -gt 2 ]; then
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current="$1" latest="$2"
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shift 2
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for v; do
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COLUMNS=500 dpkg -l "linux*$v*" | sed -n -e 's|^.. \(linux[^ \]\+\)[ \t].*|\1|p'
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done | while read p; do
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case "$p" in
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*-$current|*-$current-*|*-$latest|*-$latest-*)
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echo "$p: SKIP" >&2
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;;
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*)
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printf "$p "
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;;
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esac
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done
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fi
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}
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remove=$(obsolete_kernels \
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"$(uname -r | sed -e 's|-generic$||')" \
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$(ls -1 /boot/vmlinuz-* | \
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sed -e 's|^/boot/vmlinuz-||' -e 's|\.efi\.signed$||' -e 's|-generic$||' | \
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sort -urV))
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aptget="apt-get${apt_opt:+ $apt_opt}"
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cmd="$aptget update"
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if [ -n "$remove" ]; then
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cmd="$cmd && dpkg -P $remove"
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fi
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cmd="$cmd && $aptget autoremove --purge"
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cmd="$cmd && $aptget upgrade && $aptget dist-upgrade"
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set -x
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exec sudo sh -c "$cmd"
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