92 lines
2.8 KiB
Plaintext
92 lines
2.8 KiB
Plaintext
(*
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Module: Dpkg
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Parses /etc/dpkg/dpkg.cfg
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Author: Robin Lee Powell <rlpowell@digitalkingdom.org>
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About: License
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This file, and the attendant test_dpgk.aug, are explicitly
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placed in the public domain.
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About: Description
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dpkg.cfg is a simple list of options, the same ones as the
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command line options, with or without a value.
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The tree is a list of either comments or option/value pairs by
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name. Use "set" to set an option with a value, and "clear" for a
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bare option.
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About: Usage Example
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(start code)
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$ augtool -n
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augtool> ls /files/etc/dpkg/dpkg.cfg
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#comment[1] = dpkg configuration file
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#comment[2] = This file can contain default options for dpkg. All command-line
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#comment[3] = options are allowed. Values can be specified by putting them after
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#comment[4] = the option, separated by whitespace and/or an `=' sign.
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#comment[5] = Do not enable debsig-verify by default; since the distribution is not using
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#comment[6] = embedded signatures, debsig-verify would reject all packages.
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no-debsig = (none)
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#comment[7] = Log status changes and actions to a file.
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log = /var/log/dpkg.log
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augtool> get /files/etc/dpkg/dpkg.cfg/no-debsig
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/files/etc/dpkg/dpkg.cfg/no-debsig (none)
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augtool> get /files/etc/dpkg/dpkg.cfg/log
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/files/etc/dpkg/dpkg.cfg/log = /var/log/dpkg.log
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augtool> clear /files/etc/dpkg/dpkg.cfg/testopt
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augtool> set /files/etc/dpkg/dpkg.cfg/testopt2 test
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augtool> save
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Saved 1 file(s)
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augtool>
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$ cat /etc/dpkg/dpkg.cfg.augnew
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# dpkg configuration file
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#
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# This file can contain default options for dpkg. All command-line
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# options are allowed. Values can be specified by putting them after
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# the option, separated by whitespace and/or an `=' sign.
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#
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# Do not enable debsig-verify by default; since the distribution is not using
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# embedded signatures, debsig-verify would reject all packages.
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no-debsig
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# Log status changes and actions to a file.
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log /var/log/dpkg.log
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testopt
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testopt2 test
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(end code)
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*)
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module Dpkg =
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autoload xfm
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let sep_tab = Util.del_ws_tab
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let sep_spc = Util.del_ws_spc
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let eol = del /[ \t]*\n/ "\n"
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let comment = Util.comment
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let empty = Util.empty
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let word = /[^,# \n\t]+/
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let keyword = /[^,# \n\t\/]+/
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(* View: record
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Keyword, followed by optional whitespace and value, followed
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by EOL.
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The actual file specification doesn't require EOL, but the
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likelihood of the file not having one is pretty slim, and
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this way things we add have EOL.
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*)
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let record = [ key keyword . (sep_spc . store word)? . eol ]
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(* View: lns
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Any number of empty lines, comments, and records.
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*)
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let lns = ( empty | comment | record ) *
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let xfm = transform lns (incl "/etc/dpkg/dpkg.cfg")
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