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Commit | Line | Data |
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5132916e FG |
1 | #!/usr/bin/perl |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
6 | use File::Basename; | |
7 | ||
8 | my $fd = $ENV{APT_HOOK_INFO_FD}; | |
9 | my $check_file = '/please-remove-proxmox-ve'; | |
10 | my $check_package = 'proxmox-ve'; | |
11 | my $hook_name = basename($0); | |
12 | ||
13 | my $log = sub { | |
14 | my ($line) = @_; | |
15 | print "W: ($hook_name) $line"; | |
16 | }; | |
17 | ||
18 | if (!defined $fd || $fd == 0) { | |
19 | $log->("APT_HOOK_INFO_FD not correctly defined, skipping apt-pve-hook checks\n"); | |
20 | exit 0; | |
21 | } | |
22 | ||
23 | open(my $fh, "<&=${fd}") or die "E: could not open APT_HOOK_INFO_FD (${fd}) - $!\n"; | |
24 | ||
25 | my $cleanup = sub { | |
26 | my ($rc) = @_; | |
27 | ||
28 | close($fh); | |
29 | exit $rc; | |
30 | }; | |
31 | ||
32 | chomp (my $ver = <$fh>); | |
33 | if ($ver ne "VERSION 2") { | |
34 | $log->("apt-pve-hook misconfigured, expecting hook protocol version 2\n"); | |
35 | $cleanup->(0); | |
36 | } | |
37 | ||
38 | my $blank; | |
39 | while (my $line = <$fh>) { | |
40 | chomp $line; | |
41 | ||
42 | if (!defined($blank)) { | |
43 | $blank = 1 if !$line; | |
44 | next; | |
45 | } | |
46 | ||
47 | my ($pkg, $old, $dir, $new, $action) = (split / /, $line, 5); | |
48 | if (!defined($action)) { | |
49 | $log->("apt-pve-hook encountered unexpected line: $line\n"); | |
50 | next; | |
51 | } | |
52 | ||
53 | if ($pkg eq 'proxmox-ve' && $action eq '**REMOVE**') { | |
54 | if (-e $check_file) { | |
55 | $log->("'$check_file' exists, proceeding with removal of package '${check_package}'\n"); | |
56 | unlink $check_file; | |
57 | } else { | |
58 | $log->("!! WARNING !!\n"); | |
59 | $log->("You are attempting to remove the meta-package '${check_package}'!\n"); | |
60 | $log->("\n"); | |
61 | $log->("If you really you want to permanently remove '${check_package}' from your system, run the following command\n"); | |
62 | $log->("\ttouch '${check_file}'\n"); | |
63 | $log->("and repeat your apt-get/apt invocation.\n"); | |
64 | $log->("\n"); | |
65 | $log->("If you are unsure why '$check_package' would be removed, please verify\n"); | |
66 | $log->("\t- your APT repository settings\n"); | |
67 | $log->("\t- that you are using 'apt-get dist-upgrade' or 'apt full-upgrade' to upgrade your system\n"); | |
68 | $cleanup->(1); | |
69 | } | |
70 | } | |
71 | } | |
72 | ||
73 | $cleanup->(0); |