2 * Copyright (C) 2009-2011 Red Hat Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 open Febootstrap_package_handlers
25 open Febootstrap_utils
26 open Febootstrap_cmdline
28 (* Create a temporary directory for use by all the functions in this file. *)
29 let tmpdir = tmpdir ()
31 let get_installed_pkgs =
32 let pkgs = ref None in
37 Some (run_command_get_lines
38 "dpkg-query --show --showformat='${Package}\\n'");
44 let debian_detect () =
45 file_exists "/etc/debian_version" &&
46 Config.aptitude <> "no" && Config.apt_cache <> "no" && Config.dpkg <> "no"
51 let rec debian_resolve_dependencies_and_download names =
53 sprintf "%s depends --recurse -i %s | grep -v '^[<[:space:]]'"
55 (String.concat " " (List.map Filename.quote names)) in
56 let pkgs = run_command_get_lines cmd in
58 if Config.apt_cache_depends_recurse_broken then
59 workaround_broken_apt_cache_depends_recurse (sort_uniq pkgs)
63 (* Exclude packages matching [--exclude] regexps on the command line. *)
67 not (List.exists (fun re -> Str.string_match re name 0) excludes)
70 let present_pkgs, download_pkgs = List.partition (
71 fun pkg -> List.exists ((=) pkg) (get_installed_pkgs ())
74 debug "wanted packages (present / download): %s / %s\n"
75 (String.concat " " present_pkgs)
76 (String.concat " " download_pkgs);
78 (* Download the packages. *)
79 if (List.length download_pkgs > 0)
82 sprintf "umask 0000; cd %s && %s download %s"
83 (Filename.quote tmpdir)
85 (String.concat " " (List.map Filename.quote download_pkgs)) in
89 (* Find out what aptitude downloaded. *)
90 let files = Sys.readdir tmpdir in
92 let download_pkgs = List.map (
94 (* Look for 'pkg_*.deb' in the list of files. *)
95 let pre = pkg ^ "_" in
98 for i = 0 to Array.length files - 1 do
99 if string_prefix pre files.(i) then (
105 eprintf "febootstrap: aptitude: error: no file was downloaded corresponding to package %s\n" pkg;
111 List.sort compare (List.append present_pkgs download_pkgs)
113 (* On Ubuntu 10.04 LTS, apt-cache depends --recurse is broken. It
114 * doesn't return the full list of dependencies. Therefore recurse
115 * into these dependencies one by one until we reach a fixpoint.
117 and workaround_broken_apt_cache_depends_recurse names =
118 debug "workaround for broken 'apt-cache depends --recurse' command:\n %s"
119 (String.concat " " names);
125 sprintf "%s depends --recurse -i %s | grep -v '^[<[:space:]]'"
126 Config.apt_cache (Filename.quote name) in
127 run_command_get_lines cmd
129 let names' = List.flatten names' in
130 let names' = sort_uniq names' in
131 if names <> names' then
132 workaround_broken_apt_cache_depends_recurse names'
136 let debian_list_files_downloaded pkg =
137 debug "unpacking %s ..." pkg;
139 (* We actually need to extract the file in order to get the
140 * information about modes etc.
142 let pkgdir = tmpdir // pkg ^ ".d" in
145 sprintf "umask 0000; dpkg-deb --fsys-tarfile %s | (cd %s && tar xf -)"
146 (tmpdir // pkg) pkgdir in
149 let cmd = sprintf "cd %s && find ." pkgdir in
150 let lines = run_command_get_lines cmd in
152 let files = List.map (
154 assert (path.[0] = '.');
157 if path = "." then "/"
158 else String.sub path 1 (String.length path - 1) in
160 (* Find out what it is and get the canonical filename. *)
161 let statbuf = lstat (pkgdir // path) in
162 let is_dir = statbuf.st_kind = S_DIR in
164 (* No per-file metadata like in RPM, but we can synthesize it
167 let config = statbuf.st_kind = S_REG && string_prefix "/etc/" path in
169 let mode = statbuf.st_perm in
171 (path, { ft_dir = is_dir; ft_config = config; ft_mode = mode;
172 ft_ghost = false; ft_size = statbuf.st_size })
177 let debian_list_files_installed pkg =
178 debug "using installed package %s ..." pkg;
179 let cmd = sprintf "dpkg-query --listfiles %s" pkg in
180 let lines = run_command_get_lines cmd in
181 (* filter out lines not directly describing fs objects such as
182 "package diverts others to: /path/to/..." *)
183 let lines = List.filter (
184 fun l -> l.[0] = '/' && l.[1] != '.'
186 let files = List.map (
188 let statbuf = lstat path in
189 let is_dir = statbuf.st_kind = S_DIR in
190 let config = statbuf.st_kind = S_REG && string_prefix "/etc/" path in
191 let mode = statbuf.st_perm in
192 (path, { ft_dir = is_dir; ft_config = config; ft_mode = mode;
193 ft_ghost = false; ft_size = statbuf.st_size })
197 let debian_list_files pkg =
198 if use_installed && List.exists ((=) pkg) (get_installed_pkgs ()) then
199 debian_list_files_installed pkg
201 debian_list_files_downloaded pkg
203 (* Easy because we already unpacked the archive above. *)
204 let debian_get_file_from_package pkg file =
205 if use_installed && List.exists (fun p -> p = pkg) (get_installed_pkgs ())
209 tmpdir // pkg ^ ".d" // file
213 ph_detect = debian_detect;
214 ph_init = debian_init;
215 ph_resolve_dependencies_and_download =
216 debian_resolve_dependencies_and_download;
217 ph_list_files = debian_list_files;
218 ph_get_file_from_package = debian_get_file_from_package;
220 register_package_handler "debian" ph