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(* Module: debctrl Parses ./debian/control Author: Dominique Dumont domi.dumont@free.fr or dominique.dumont@hp.com About: Reference http://augeas.net/page/Create_a_lens_from_bottom_to_top http://www.debian.org/doc/debian-policy/ch-controlfields.html About: License This file is licensed under the LGPL v2+. About: Lens Usage Since control file is not a system configuration file, you will have to use augtool -r option to point to 'debian' directory. Run augtool: $ augtool -r debian Sample usage of this lens in augtool: * Get the value stored in control file > print /files/control ... Saving your file: > save *) module Debctrl = autoload xfm let eol = Util.eol let del_ws_spc = del /[\t ]*/ " " let hardeol = del /\n/ "\n" let del_opt_ws = del /[\t ]*/ "" let colon = del /:[ \t]*/ ": " let simple_entry (k:regexp) = let value = store /[^ \t][^\n]+/ in [ key k . colon . value . hardeol ] let cont_line = del /\n[ \t]+/ "\n " let comma = del /,[ \t]*/ ", " let sep_comma_with_nl = del /[ \t\n]*,[ \t\n]*/ ",\n " (*= del_opt_ws . cont_line* . comma . cont_line**) let email = store ( /([A-Za-z]+ )+<[^\n>]+>/ | /[^\n,\t<> ]+/ ) let multi_line_array_entry (k:regexp) (v:lens) = [ key k . colon . [ counter "array" . seq "array" . v ] . [ seq "array" . sep_comma_with_nl . v ]* . hardeol ] (* dependency stuff *) let version_depends = [ label "version" . [ del / *\( */ " ( " . label "relation" . store /[<>=]+/ ] . [ del_ws_spc . label "number" . store ( /[a-zA-Z0-9_.-]+/ | /\$\{[a-zA-Z0-9:]+\}/ ) . del / *\)/ " )" ] ] let arch_depends = [ label "arch" . [ del / *\[ */ " [ " . label "prefix" . store /!?/ ] . [ label "name" . store /[a-zA-Z0-9_.-]+/ . del / *\]/ " ]" ] ] let package_depends = [ key ( /[a-zA-Z0-9_-]+/ | /\$\{[a-zA-Z0-9:]+\}/ ) . ( version_depends | arch_depends ) * ] let dependency = [ label "or" . package_depends ] . [ label "or" . del / *\| */ " | " . package_depends ] * let dependency_list (field:regexp) = [ key field . colon . [ label "and" . dependency ] . [ label "and" . sep_comma_with_nl . dependency ]* . eol ] (* source package *) let uploaders = multi_line_array_entry /Uploaders/ email let simple_src_keyword = "Source" | "Section" | "Priority" | "Standards\-Version" | "Homepage" | /Vcs\-Svn/ | /Vcs\-Browser/ | "Maintainer" | "DM-Upload-Allowed" | /XS?-Python-Version/ let depend_src_keywords = /Build\-Depends/ | /Build\-Depends\-Indep/ let src_entries = ( simple_entry simple_src_keyword | uploaders | dependency_list depend_src_keywords ) * (* package paragraph *) let multi_line_entry (k:string) = let line = /.*[^ \t\n].*/ in [ label k . del / / " " . store line . hardeol ] * let description = [ key "Description" . colon . [ label "summary" . store /[a-zA-Z][^\n]+/ . hardeol ] . multi_line_entry "text" ] (* binary package *) let simple_bin_keywords = "Package" | "Architecture" | "Section" | "Priority" | "Essential" | "Homepage" | "XB-Python-Version" let depend_bin_keywords = "Depends" | "Recommends" | "Suggests" | "Provides" let bin_entries = ( simple_entry simple_bin_keywords | dependency_list depend_bin_keywords ) + . description (* The whole stuff *) let lns = [ label "srcpkg" . src_entries ] . [ label "binpkg" . hardeol+ . bin_entries ]+ . eol* (* lens must be used with AUG_ROOT set to debian package source directory *) let xfm = transform lns (incl "/control")