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