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drwxr-xr-x
7z
39
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7za
40
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7zr
40
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15.84
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HEAD
15.84
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POST
15.84
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[
50.18
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22.16
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22.16
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ab
58.18
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14.27
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7.24
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22.08
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9.99
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46.98
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14.09
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7.24
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78.16
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22.16
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22.09
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22.16
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234.16
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42.16
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26.75
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42.16
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42.09
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34.21
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arj
437.04
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14.87
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15.05
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aspell
150.34
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aspell-import
2
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7.53
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378
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122.48
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54.21
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38.18
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38.18
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34.18
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6.95
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34.13
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114.08
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9.99
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13.99
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66.09
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6.65
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26.51
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28.79
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30.48
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82.11
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3.25
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38.46
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853
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385
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70.13
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389
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389
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14
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62.18
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2.71
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5.99
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74.7
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chrt
30.08
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43.48
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ckbcomp
146.33
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34.18
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10
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10.07
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46.09
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13.99
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col
9.99
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colcrt
10
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9.99
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14.01
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38.21
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17.74
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composer
1.54
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12.53
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cpan
7.96
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cpan5.26-x86_64-linux-gnu
7.99
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cpp
1022.94
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cpp-7
1022.94
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crontab
38.43
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cryptdir
1.44
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50.21
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22.35
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curl
218.07
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cut
42.21
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9.98
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231.04
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21.99
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9.98
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25.98
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13.98
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9.98
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10.07
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19.67
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deb-systemd-invoke
4.33
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2.79
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11.27
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608
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1.68
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647
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2.87
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1.78
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18.59
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1.44
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22.08
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40.86
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88.03
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desktop-file-install
88.03
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76.26
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dh_bash-completion
2.49
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1.36
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diff
142.34
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diff3
62.21
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146.51
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dircolors
46.19
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dirmngr
533.55
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dirmngr-client
106.76
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dirname
30.18
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dislocate
7.75
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18.59
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9.39
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dpkg
290.5
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150.34
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138.41
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18.58
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146.4
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118.34
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70.25
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66.26
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du
98.21
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166.52
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17.74
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240.11
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68.4
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30.69
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41.17
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2.99
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18.07
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enchant-lsmod
9.99
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34.18
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34.08
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193.19
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ex
2.55
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38.21
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10
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7.53
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378
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1.44
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1.44
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7.75
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686
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10.63
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2.56
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5.26
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29.78
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4.45
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8.68
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504
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306
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280
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11.12
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16.18
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643
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2.03
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4.75
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6.45
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22.27
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46.18
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factor
74.21
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faillog
18.29
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fallocate
26.08
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fc-cache
14.07
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fc-cat
14.07
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fc-list
10.07
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fc-match
10.07
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fc-pattern
10.07
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fc-query
10.07
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fc-scan
10.07
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fc-validate
10.07
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fcgistarter
9.99
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file
22.26
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file-roller
505.57
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find
232.5
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30.16
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fmt
42.18
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fold
34.18
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18.08
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9.99
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ftp
98.7
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ftp-rfc
686
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funzip
21.99
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futurize
384
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14.08
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2.51
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geqn
193.19
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getconf
30.13
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getent
30.49
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getkeycodes
10.07
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getopt
14.07
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gettext
34.08
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gettext.sh
4.52
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ginstall-info
43.09
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git
2.27
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git-receive-pack
2.27
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git-shell
1.26
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git-upload-archive
2.27
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git-upload-pack
1.27
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gnome-help
54.07
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google-drive-ocamlfuse
6.68
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gpasswd
74.05
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gpg
997.6
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gpg-agent
392.7
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gpg-connect-agent
154.85
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gpg-wks-server
187.02
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gpg-zip
3.36
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gpgconf
166.32
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gpgparsemail
26.07
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gpgsm
491.09
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gpgsplit
78.45
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gpgv
427.02
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gpic
204.03
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groff
105.31
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grog
2.71
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grops
165.72
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grotty
121.34
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groups
34.18
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grub-editenv
239.93
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grub-file
659.79
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grub-fstest
789.65
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grub-glue-efi
235.77
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grub-kbdcomp
1.64
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grub-menulst2cfg
216.04
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grub-mkfont
264.34
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grub-mkimage
328.84
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grub-mklayout
240.09
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grub-mknetdir
373.41
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grub-mkpasswd-pbkdf2
244.12
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grub-mkrelpath
235.49
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grub-mkrescue
822.23
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grub-mkstandalone
449.74
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grub-mount
608.21
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grub-ntldr-img
38.16
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grub-render-label
676.16
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grub-script-check
259.62
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grub-syslinux2cfg
624.68
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gtbl
126.2
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gtk-builder-tool
26.42
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gtk-launch
14.15
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gtk-query-settings
9.99
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gtk-update-icon-cache
30.47
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h2ph
28.54
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h2xs
59.44
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hd
26.1
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head
42.21
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helpztags
2.46
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hexdump
26.1
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host
126.66
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hostid
30.18
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hostnamectl
18.07
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htcacheclean
30
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htdbm
21.99
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htdigest
13.99
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htpasswd
17.99
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hwe-support-status
10.58
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i386
18.34
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iconv
62.25
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id
42.21
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info
245.72
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infobrowser
245.72
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infocmp
58.07
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infotocap
82.11
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innochecksum
3.52
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install
142.25
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install-info
43.09
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instmodsh
4.27
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ionice
26.08
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ipcmk
26.14
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ipcrm
26.08
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ipcs
50.08
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iptables-xml
92.74
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ischroot
10.04
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ispell-wrapper
7.05
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join
46.21
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json_pp
3.87
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jsonlint-php
2.61
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kbdinfo
14.07
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-rwxr-xr-x
kbxutil
158.69
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-rwxr-xr-x
kernel-install
4.4
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-rwxr-xr-x
kibitz
10.63
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-rwxr-xr-x
killall
27.12
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laptop-detect
3.73
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last
42.08
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lastb
42.08
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-rwxr-xr-x
lastlog
18.07
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lcf
7.6
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ldd
5.29
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-rwxr-xr-x
less
166.76
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lessecho
10.02
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-rwxr-xr-x
lessfile
8.36
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lesskey
19.39
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lesspipe
8.36
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letsencrypt
385
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lexgrog
90.57
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-rwxr-xr-x
libnetcfg
15.41
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link
30.18
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linux-boot-prober
1.54
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linux-check-removal
3.99
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linux-update-symlinks
6.17
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linux-version
2.63
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linux32
18.34
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linux64
18.34
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listres
10.41
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lnstat
22.35
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-rwxr-xr-x
loadkeys
206.57
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-rwxr-xr-x
loadunimap
26.13
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locale
49.41
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locale-check
10
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localectl
22.07
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localedef
330.8
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locate
42.08
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logger
46.67
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logname
30.18
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logresolve
10
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look
10.23
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lorder
2.82
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lpunlock
2.56
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lsattr
10
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lsb_release
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62.08
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42.08
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38.08
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79.67
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114.43
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325.21
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48.12
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10.05
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2.65
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2.36
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15.84
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74.36
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6.48
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6.48
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5.76
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5.76
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1.76
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74.36
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10.07
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2.11
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104.5
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126.72
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30.47
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22.13
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122.48
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30.14
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42.21
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42.21
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42.13
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10.07
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2.14
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15.78
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62.18
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42.08
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9.99
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26.04
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25.99
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29.78
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45.95
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3.73
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3.78
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3.81
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21.17
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3.45
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3.69
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3.49
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3.4
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4.32
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3.71
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3.73
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3.96
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3.73
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26.3
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27.16
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3.78
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7.66
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3.7
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3.73
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4.17
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3.73
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38.1
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3.7
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3.71
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26.08
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122.48
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28.79
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908
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98.7
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19.53
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39.4
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34.08
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34.18
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42.27
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34.18
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34.18
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3.25
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30.28
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130.51
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26.07
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66.02
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46.12
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62.24
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66.21
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2.16
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706.98
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4.44
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4.64
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166.76
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86.08
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4.45
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58.24
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34.21
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388
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178.37
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34.18
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152
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14.13
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59.87
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59.87
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793
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814
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727
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13.99
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2
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9.98
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2
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44.78
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125
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10.61
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44.78
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3.58
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98.7
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26.09
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14.47
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14.47
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phar.phar7.2
14.47
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phar7.2
14.47
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4.68
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php7.2
4.68
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204.03
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240.11
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8.16
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62.49
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62.49
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38.21
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13.99
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18.07
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21.99
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26.09
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13.99
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4.43
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14.22
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30.09
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4.04
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14.73
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10.72
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3.86
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3.57
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2.47
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70.27
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5.52
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46.2
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5.52
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5.52
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9.99
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17.74
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30.18
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22
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50.18
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34.59
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442
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13.27
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18.07
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17.99
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17.99
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17.99
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17.99
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70.24
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10.07
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11.83
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79
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26.07
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46.21
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14.07
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14.07
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3.42
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22
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18.13
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38.08
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10.07
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30
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18.07
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208
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710.79
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496.43
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22.35
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17.74
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57
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34.18
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2.55
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10.22
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98.14
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9.99
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30.07
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26.08
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50.09
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17.74
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18.34
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10.07
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14.05
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10.07
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10.1
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26.08
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10.07
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42.08
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39.4
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54.21
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54.21
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58.21
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58.21
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18.07
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14.07
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58.21
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54.18
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26.08
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18.08
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710.79
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26.08
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30.2
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110.47
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18.7
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54.63
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9.99
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710.79
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338.13
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354.14
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1.42
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10.41
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1.73
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782
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782
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410.16
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410.16
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78.21
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46.18
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2.58
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145.59
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145.59
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54.81
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38.19
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110.73
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10.07
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14.07
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30.09
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22.07
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10.06
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42.09
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10.06
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86.07
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42.07
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18.07
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14.07
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42.09
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13.99
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38.18
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66.24
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18.47
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30.08
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126.2
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5.99
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34.21
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108.42
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108.42
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46.18
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82.11
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14.38
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280
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22.07
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38.63
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11.12
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16.18
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14.09
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13.99
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105.77
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86.21
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18.02
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46.18
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14.01
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18.02
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18.02
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719.34
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38.18
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22
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34.18
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30.18
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15.04
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442
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18.59
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7.84
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39.73
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18.91
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10.47
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54.07
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14.01
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30.02
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82.55
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Code Editor : deb-systemd-helper
#!/usr/bin/env perl # vim:ts=4:sw=4:expandtab # © 2013-2014 Michael Stapelberg <stapelberg@debian.org> # # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # # * Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # * Neither the name of Michael Stapelberg nor the # names of contributors may be used to endorse or promote products # derived from this software without specific prior written permission. # . # THIS SOFTWARE IS PROVIDED BY Michael Stapelberg ''AS IS'' AND ANY # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL Michael Stapelberg BE LIABLE FOR ANY # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. =head1 NAME deb-systemd-helper - subset of systemctl for machines not running systemd =head1 SYNOPSIS B<deb-systemd-helper> enable | disable | purge | mask | unmask | is-enabled | was-enabled | debian-installed | update-state | reenable S<I<unit file> ...> =head1 DESCRIPTION B<deb-systemd-helper> is a Debian-specific helper script which re-implements the enable, disable, is-enabled and reenable commands from systemctl. The "enable" action will only be performed once (when first installing the package). On the first "enable", an state file is created which will be deleted upon "purge". The "mask" action will keep state on whether the service was enabled/disabled before and will properly return to that state on "unmask". The "was-enabled" action is not present in systemctl, but is required in Debian so that we can figure out whether a service was enabled before we installed an updated service file. See http://bugs.debian.org/717603 for details. The "debian-installed" action is also not present in systemctl. It returns 0 if the state file of at least one of the given units is present. The "update-state" action is also not present in systemctl. It updates B<deb-systemd-helper>'s state file, removing obsolete entries (e.g. service files that are no longer shipped by the package) and adding new entries (e.g. new service files shipped by the package) without enabling them. B<deb-systemd-helper> is intended to be used from maintscripts to enable systemd unit files. It is specifically NOT intended to be used interactively by users. Instead, users should run systemd and use systemctl, or not bother about the systemd enabled state in case they are not running systemd. =head1 ENVIRONMENT =over 4 =item B<_DEB_SYSTEMD_HELPER_DEBUG> If you export _DEB_SYSTEMD_HELPER_DEBUG=1, deb-systemd-helper will print debug messages to stderr (thus visible in dpkg runs). Please include these when filing a bugreport. =back =cut use strict; use warnings; use File::Path qw(make_path); # in core since Perl 5.001 use File::Basename; # in core since Perl 5 use File::Temp qw(tempfile); # in core since Perl 5.6.1 use Getopt::Long; # in core since Perl 5 # Make Data::Dumper::Dumper available if present (not present on systems that # only have perl-base, not perl). eval { require Data::Dumper; } or *Data::Dumper::Dumper = sub { "no Data::Dumper" }; my $quiet = 0; my $enabled_state_dir = '/var/lib/systemd/deb-systemd-helper-enabled'; my $masked_state_dir = '/var/lib/systemd/deb-systemd-helper-masked'; # Globals are bad, but in this specific case, it really makes things much # easier to write and understand. my $changed_sth; my $has_systemctl = -x "/bin/systemctl"; sub error { print STDERR "$0: error: @_\n"; exit (1); } sub debug { my ($msg) = @_; return if !defined($ENV{_DEB_SYSTEMD_HELPER_DEBUG}) || $ENV{_DEB_SYSTEMD_HELPER_DEBUG} != 1; print STDERR "(deb-systemd-helper DEBUG) $msg\n"; } sub is_purge { return (defined($ENV{_DEB_SYSTEMD_HELPER_PURGE}) && $ENV{_DEB_SYSTEMD_HELPER_PURGE} == 1) } sub find_unit { my ($scriptname) = @_; my $service_path = $scriptname; if (-f "/etc/systemd/system/$scriptname") { $service_path = "/etc/systemd/system/$scriptname"; } elsif (-f "/lib/systemd/system/$scriptname") { $service_path = "/lib/systemd/system/$scriptname"; } return $service_path; } sub dsh_state_path { my ($scriptname) = @_; return $enabled_state_dir . '/' . basename($scriptname) . '.dsh-also'; } sub state_file_entries { my ($dsh_state) = @_; debug "Reading state file $dsh_state"; my @entries; if (open(my $fh, '<', $dsh_state)) { @entries = map { chomp; $_ } <$fh>; close($fh); } return @entries; } # Writes $service_link into $dsh_state unless it’s already in there. sub record_in_statefile { my ($dsh_state, $service_link) = @_; # Appending a newline makes the following code simpler; we can skip # chomp()ing and appending newlines in every print. $service_link .= "\n"; make_path(dirname($dsh_state)); my $line_exists; my ($outfh, $tmpname) = tempfile('.stateXXXXX', DIR => dirname($dsh_state), SUFFIX => '.tmp', UNLINK => 0); chmod(0644, $tmpname); if (-e $dsh_state) { open(my $infh, '<', $dsh_state) or error("unable to read from $dsh_state"); while (<$infh>) { $line_exists = 1 if $_ eq $service_link; print $outfh $_; } close($infh); } print $outfh $service_link unless $line_exists; close($outfh); debug "Renaming temp file $tmpname to state file $dsh_state"; rename($tmpname, $dsh_state) or error("Unable to move $tmpname to $dsh_state"); } # Gets the transitive closure of links, i.e. all links that need to be created # when enabling this service file. Not straight-forward because service files # can refer to other service files using Also=. sub get_link_closure { my ($scriptname, $service_path) = @_; my @links; my $unit_name = basename($service_path); # The keys parsed from the unit file below can only have unit names # as values. Since unit names can't have whitespace in systemd, # simply use split and strip any leading/trailing quotes. See # systemd-escape(1) for examples of valid unit names. open my $fh, '<', $service_path or error("unable to read $service_path"); while (my $line = <$fh>) { chomp($line); my $service_link; if ($line =~ /^\s*(WantedBy|RequiredBy)=(.+)$/i) { for my $value (split(/\s+/, $2)) { $value =~ s/^(["'])(.*)\g1$/$2/; my $wants_dir = "/etc/systemd/system/$value"; $wants_dir .= '.wants' if $1 eq 'WantedBy'; $wants_dir .= '.requires' if $1 eq 'RequiredBy'; push @links, { dest => $service_path, src => "$wants_dir/$scriptname" }; } } if ($line =~ /^\s*Also=(.+)$/i) { for my $value (split(/\s+/, $1)) { $value =~ s/^(["'])(.*)\g1$/$2/; if ($value ne $unit_name) { push @links, get_link_closure($value, find_unit($value)); } } } if ($line =~ /^\s*Alias=(.+)$/i) { for my $value (split(/\s+/, $1)) { $value =~ s/^(["'])(.*)\g1$/$2/; if ($value ne $unit_name) { push @links, { dest => $service_path, src => "/etc/systemd/system/$1" }; } } } } close($fh); return @links; } sub all_links_installed { my ($scriptname, $service_path) = @_; my @links = get_link_closure($scriptname, $service_path); my @missing_links = grep { ! -l $_->{src} } @links; return (@missing_links == 0); } sub no_link_installed { my ($scriptname, $service_path) = @_; my @links = get_link_closure($scriptname, $service_path); my @existing_links = grep { -l $_->{src} } @links; return (@existing_links == 0); } sub enable { my ($scriptname, $service_path) = @_; if ($has_systemctl) { # We use systemctl preset on the initial installation only # On upgrade, we manually add the missing symlinks only if # the service already has some links installed. my $create_links = 0; if (debian_installed($scriptname)) { $create_links = 1 unless no_link_installed($scriptname, $service_path); } else { debug "Using systemctl preset to enable $scriptname"; system("/bin/systemctl", "--preset-mode=enable-only", "preset", $scriptname) == 0 or error("systemctl preset failed on $scriptname: $!"); } make_systemd_links($scriptname, $service_path, create_links => $create_links); } else { # We create all the symlinks ourselves make_systemd_links($scriptname, $service_path); } } sub make_systemd_links { my ($scriptname, $service_path, %opts) = @_; $opts{'create_links'} //= 1; my $dsh_state = dsh_state_path($scriptname); my @links = get_link_closure($scriptname, $service_path); for my $link (@links) { my $service_path = $link->{dest}; my $service_link = $link->{src}; record_in_statefile($dsh_state, $service_link); my $statefile = $service_link; $statefile =~ s,^/etc/systemd/system/,$enabled_state_dir/,; next if -e $statefile; if ($opts{'create_links'} && ! -l $service_link) { make_path(dirname($service_link)); symlink($service_path, $service_link) or error("unable to link $service_link to $service_path: $!"); $changed_sth = 1; } # Store the fact that we ran enable for this service_path, # so that we can skip enable the next time. # This allows us to call deb-systemd-helper unconditionally # and still only enable unit files on the initial installation # of a package. make_path(dirname($statefile)); open(my $fh, '>>', $statefile); close($fh); } } # In contrary to make_systemd_links(), which only modifies the state file in an # append-only fashion, update_state() can also remove entries from the state # file. # # The distinction is important because update_state() should only be called # when the unit file(s) are guaranteed to be on-disk, e.g. on package updates, # but not on package removals. sub update_state { my ($scriptname, $service_path) = @_; my $dsh_state = dsh_state_path($scriptname); my @links = get_link_closure($scriptname, $service_path); debug "Old state file contents: " . Data::Dumper::Dumper([ state_file_entries($dsh_state) ]); make_path(dirname($dsh_state)); my ($outfh, $tmpname) = tempfile('.stateXXXXX', DIR => dirname($dsh_state), SUFFIX => '.tmp', UNLINK => 0); chmod(0644, $tmpname); for my $link (@links) { print $outfh $link->{src} . "\n"; } close($outfh); debug "Renaming temp file $tmpname to state file $dsh_state"; rename($tmpname, $dsh_state) or error("Unable to move $tmpname to $dsh_state"); debug "New state file contents: " . Data::Dumper::Dumper([ state_file_entries($dsh_state) ]); } sub was_enabled { my ($scriptname) = @_; my @entries = state_file_entries(dsh_state_path($scriptname)); debug "Contents: " . Data::Dumper::Dumper(\@entries); for my $link (@entries) { if (! -l $link) { debug "Link $link is missing, considering $scriptname was-disabled."; return 0; } } debug "All links present, considering $scriptname was-enabled."; return 1; } sub debian_installed { my ($scriptname) = @_; return -f dsh_state_path($scriptname); } sub remove_links { my ($service_path) = @_; my $dsh_state = dsh_state_path($service_path); my @entries = state_file_entries($dsh_state); debug "Contents: " . Data::Dumper::Dumper(\@entries); if (is_purge()) { unlink($dsh_state) if -e $dsh_state; } # Also disable all the units which were enabled when this one was enabled. for my $link (@entries) { # Delete the corresponding state file: # • Always when purging # • If the user did not disable (= link still exists) the service. # If we don’t do this, the link will be deleted a few lines down, # but not re-created when re-installing the package. if (is_purge() || -l $link) { my $link_state = $link; $link_state =~ s,^/etc/systemd/system/,$enabled_state_dir/,; unlink($link_state); } next unless -l $link; unlink($link) or print STDERR "$0: unable to remove '$link': $!\n"; $changed_sth = 1; } # Read $service_path, recurse for all Also= units. # This might not work when $service_path was already deleted, # i.e. after apt-get remove. In this case we just return # silently in order to not confuse the user about whether # disabling actually worked or not — the case is handled by # dh_installsystemd generating an appropriate disable # command by parsing the service file at debhelper-time. open(my $fh, '<', $service_path) or return; while (my $line = <$fh>) { chomp($line); my $service_link; if ($line =~ /^\s*Also=(.+)$/i) { remove_links(find_unit($1)); } } close($fh); } # Recursively deletes a directory structure, if all (!) components are empty, # e.g. to clean up after purging. sub rmdir_if_empty { my ($dir) = @_; debug "rmdir_if_empty $dir"; rmdir_if_empty($_) for (grep { -d } <$dir/*>); if (!rmdir($dir)) { debug "rmdir($dir) failed ($!)"; } } sub mask_service { my ($scriptname, $service_path) = @_; my $mask_link = '/etc/systemd/system/' . basename($service_path); if (-e $mask_link) { # If the link already exists, don’t do anything. return if -l $mask_link && readlink($mask_link) eq '/dev/null'; # If the file already exists, the user most likely copied the .service # file to /etc/ to change it in some way. In this case we don’t need to # mask the .service in the first place, since it will not be removed by # dpkg. debug "$mask_link already exists, not masking."; return; } make_path(dirname($mask_link)); # clean up after possible leftovers from Alias= to self (LP#1439793) unlink($mask_link); symlink('/dev/null', $mask_link) or error("unable to link $mask_link to /dev/null: $!"); $changed_sth = 1; my $statefile = $mask_link; $statefile =~ s,^/etc/systemd/system/,$masked_state_dir/,; # Store the fact that we masked this service, so that we can unmask it on # installation time. We cannot unconditionally unmask because that would # interfere with the user’s decision to mask a service. make_path(dirname($statefile)); open(my $fh, '>>', $statefile); close($fh); } sub unmask_service { my ($scriptname, $service_path) = @_; my $mask_link = '/etc/systemd/system/' . basename($service_path); # Not masked? Nothing to do. return unless -e $mask_link; if (! -l $mask_link || readlink($mask_link) ne '/dev/null') { debug "Not unmasking $mask_link because it is not a link to /dev/null"; return; } my $statefile = $mask_link; $statefile =~ s,^/etc/systemd/system/,$masked_state_dir/,; if (! -e $statefile) { debug "Not unmasking $mask_link because the state file $statefile does not exist"; return; } unlink($mask_link) or error("unable to remove $mask_link: $!"); $changed_sth = 1; unlink($statefile); } my $result = GetOptions( "quiet" => \$quiet, ); my $action = shift; if (!defined($action)) { # Called without arguments. Explain that this script should not be run interactively. print "$0 is a program which should be called by dpkg maintscripts only.\n"; print "Please do not run it interactively, ever. Also see the manpage deb-systemd-helper(1).\n"; exit 0; } if (!$ENV{DPKG_MAINTSCRIPT_PACKAGE}) { print STDERR "$0 was not called from dpkg. Exiting.\n"; exit 1; } if ($action eq 'purge') { $ENV{_DEB_SYSTEMD_HELPER_PURGE} = 1; $action = 'disable'; } debug "is purge = " . (is_purge() ? "yes" : "no"); my $rc = 0; if ($action eq 'is-enabled' || $action eq 'was-enabled' || $action eq 'debian-installed') { $rc = 1; } for my $scriptname (@ARGV) { my $service_path = find_unit($scriptname); debug "action = $action, scriptname = $scriptname, service_path = $service_path"; if ($action eq 'is-enabled') { my $enabled = all_links_installed($scriptname, $service_path); print STDERR ($enabled ? "enabled\n" : "disabled\n") unless $quiet; $rc = 0 if $enabled; } # was-enabled is the same as is-enabled, but only considers links recorded # in the state file. This is useful after package upgrades, to determine # whether the unit file was enabled before upgrading, even if the unit file # has changed and is not entirely enabled currently (due to a new Alias= # line for example). # # If all machines were running systemd, this issue would not be present # because is-enabled would query systemd, which would not have picked up # the new unit file yet. if ($action eq 'was-enabled') { my $enabled = was_enabled($scriptname); print STDERR ($enabled ? "enabled\n" : "disabled\n") unless $quiet; $rc = 0 if $enabled; } if ($action eq 'update-state') { update_state($scriptname, $service_path); } if ($action eq 'debian-installed') { $rc = 0 if debian_installed($scriptname); } if ($action eq 'reenable') { remove_links($service_path); make_systemd_links($scriptname, $service_path); } if ($action eq 'disable') { remove_links($service_path); # Clean up the state dir if it’s empty, or at least clean up all empty # subdirectories. Necessary to cleanly pass a piuparts run. rmdir_if_empty('/var/lib/systemd/deb-systemd-helper-enabled'); # Same with directories below /etc/systemd, where we create symlinks. # If systemd is not installed (and no other package shipping service # files), this would make piuparts fail, too. rmdir_if_empty($_) for (grep { -d } </etc/systemd/system/*>); } if ($action eq 'enable') { enable($scriptname, $service_path); } if ($action eq 'mask') { mask_service($scriptname, $service_path); } if ($action eq 'unmask') { unmask_service($scriptname, $service_path); # Clean up the state dir if it’s empty, or at least clean up all empty # subdirectories. Necessary to cleanly pass a piuparts run. rmdir_if_empty('/var/lib/systemd/deb-systemd-helper-masked'); } } # If we changed anything and this machine is running systemd, tell # systemd to reload so that it will immediately pick up our # changes. if ($changed_sth && -d "/run/systemd/system") { system("systemctl", "daemon-reload"); } exit $rc; =head1 AUTHOR Michael Stapelberg <stapelberg@debian.org> =cut
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