1 | -- This script will clean up all kernels older than current version. |
---|
2 | -- |
---|
3 | -- This script must be plugged in the following slots: |
---|
4 | -- |
---|
5 | -- Scripts::AptGet::Upgrade |
---|
6 | -- Scripts::AptGet::DistUpgrade |
---|
7 | -- Scripts::Synaptic::Upgrade |
---|
8 | -- Scripts::Synaptic::DistUpgrade |
---|
9 | -- |
---|
10 | -- Author: Daisuke SUZUKI <daiuske@linux.or.jp> |
---|
11 | |
---|
12 | |
---|
13 | if confget("RPM::Remove-Old-Kernels/b", "true") == "false" then |
---|
14 | return |
---|
15 | end |
---|
16 | |
---|
17 | -- remove old kernel and kernel-devel |
---|
18 | knames = {'kernel', 'kernel%-pae', 'kernel%-smp', 'kernel%-devel', 'kernel%-pae%-devel', 'kernel%-smp%-devel'} |
---|
19 | |
---|
20 | -- get current running kernel version |
---|
21 | function get_running_kernel_ver() |
---|
22 | local inp = io.popen("uname -r") |
---|
23 | local currentver = nil |
---|
24 | for line in inp.lines(inp) do |
---|
25 | currentver = string.gsub(line,"pae$","") |
---|
26 | end |
---|
27 | if currentver then |
---|
28 | return currentver |
---|
29 | else |
---|
30 | return 0 |
---|
31 | end |
---|
32 | end |
---|
33 | |
---|
34 | -- get kernel version of vmlinuz.old |
---|
35 | function get_old_kernel_ver() |
---|
36 | local inp = io.popen("readlink /boot/vmlinuz.old") |
---|
37 | local oldver = nil |
---|
38 | for line in inp.lines(inp) do |
---|
39 | oldver = string.gsub(string.gsub(line,"pae$",""),"^vmlinuz%-","") |
---|
40 | end |
---|
41 | if oldver then |
---|
42 | return oldver |
---|
43 | else |
---|
44 | return 0 |
---|
45 | end |
---|
46 | end |
---|
47 | |
---|
48 | -- remove all kernels older than current or vmlinuz.old |
---|
49 | function remove_old_kernels() |
---|
50 | rkver = get_running_kernel_ver() |
---|
51 | okver = get_old_kernel_ver() |
---|
52 | pkgs = pkglist() |
---|
53 | for i, pkg in ipairs(pkgs) do |
---|
54 | ver = pkgvercur(pkg) |
---|
55 | if not pkgisvirtual(pkg) and ver then |
---|
56 | for j, kname in ipairs(knames) do |
---|
57 | if string.find(pkgname(pkg), kname..'#') then |
---|
58 | if ( verstrcmp(verstr(ver), rkver) < 0 and |
---|
59 | verstrcmp(verstr(ver), okver) < 0 ) then |
---|
60 | markremove(pkg) |
---|
61 | end |
---|
62 | end |
---|
63 | end |
---|
64 | end |
---|
65 | end |
---|
66 | end |
---|
67 | |
---|
68 | -- |
---|
69 | if script_slot == "Scripts::AptGet::DistUpgrade" or |
---|
70 | script_slot == "Scripts::AptGet::Upgrade" or |
---|
71 | script_slot == "Scripts::Synaptic::DistUpgrade" or |
---|
72 | script_slot == "Scripts::Synaptic::Upgrade" then |
---|
73 | remove_old_kernels() |
---|
74 | end |
---|
75 | |
---|
76 | -- vim:ts=4:sw=4:et |
---|