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 debian_detect () =
32 file_exists "/etc/debian_version" &&
33 Config.aptitude <> "no" && Config.apt_cache <> "no" && Config.dpkg <> "no"
35 let installed_pkgs = ref []
39 run_command_get_lines "dpkg-query --show --showformat='${Package}\\n'"
41 let get_installed_pkgs () =
42 match !installed_pkgs with
46 let rec debian_resolve_dependencies_and_download names =
48 sprintf "%s depends --recurse -i %s | grep -v '^[<[:space:]]'"
50 (String.concat " " (List.map Filename.quote names)) in
51 let pkgs = run_command_get_lines cmd in
53 if Config.apt_cache_depends_recurse_broken then
54 workaround_broken_apt_cache_depends_recurse (sort_uniq pkgs)
58 (* Exclude packages matching [--exclude] regexps on the command line. *)
62 not (List.exists (fun re -> Str.string_match re name 0) excludes)
65 let present_pkgs, download_pkgs = List.partition (
66 fun pkg -> List.exists ((=) pkg) (get_installed_pkgs ())
69 debug "wanted packages (present / download): %s / %s\n"
70 (String.concat " " present_pkgs)
71 (String.concat " " download_pkgs);
73 (* Download the packages. *)
74 if (List.length download_pkgs > 0)
77 sprintf "umask 0000; cd %s && %s download %s"
78 (Filename.quote tmpdir)
80 (String.concat " " (List.map Filename.quote download_pkgs)) in
84 (* Find out what aptitude downloaded. *)
85 let files = Sys.readdir tmpdir in
87 let download_pkgs = List.map (
89 (* Look for 'pkg_*.deb' in the list of files. *)
90 let pre = pkg ^ "_" in
93 for i = 0 to Array.length files - 1 do
94 if string_prefix pre files.(i) then (
100 eprintf "febootstrap: aptitude: error: no file was downloaded corresponding to package %s\n" pkg;
106 List.sort compare (List.append present_pkgs download_pkgs)
108 (* On Ubuntu 10.04 LTS, apt-cache depends --recurse is broken. It
109 * doesn't return the full list of dependencies. Therefore recurse
110 * into these dependencies one by one until we reach a fixpoint.
112 and workaround_broken_apt_cache_depends_recurse names =
113 debug "workaround for broken 'apt-cache depends --recurse' command:\n %s"
114 (String.concat " " names);
120 sprintf "%s depends --recurse -i %s | grep -v '^[<[:space:]]'"
121 Config.apt_cache (Filename.quote name) in
122 run_command_get_lines cmd
124 let names' = List.flatten names' in
125 let names' = sort_uniq names' in
126 if names <> names' then
127 workaround_broken_apt_cache_depends_recurse names'
131 let debian_list_files_downloaded pkg =
132 debug "unpacking %s ..." pkg;
134 (* We actually need to extract the file in order to get the
135 * information about modes etc.
137 let pkgdir = tmpdir // pkg ^ ".d" in
140 sprintf "umask 0000; dpkg-deb --fsys-tarfile %s | (cd %s && tar xf -)"
141 (tmpdir // pkg) pkgdir in
144 let cmd = sprintf "cd %s && find ." pkgdir in
145 let lines = run_command_get_lines cmd in
147 let files = List.map (
149 assert (path.[0] = '.');
152 if path = "." then "/"
153 else String.sub path 1 (String.length path - 1) in
155 (* Find out what it is and get the canonical filename. *)
156 let statbuf = lstat (pkgdir // path) in
157 let is_dir = statbuf.st_kind = S_DIR in
159 (* No per-file metadata like in RPM, but we can synthesize it
162 let config = statbuf.st_kind = S_REG && string_prefix "/etc/" path in
164 let mode = statbuf.st_perm in
166 (path, { ft_dir = is_dir; ft_config = config; ft_mode = mode;
167 ft_ghost = false; ft_size = statbuf.st_size })
172 let debian_list_files_installed pkg =
173 debug "using installed package %s ..." pkg;
174 let cmd = sprintf "dpkg-query --listfiles %s" pkg in
175 let lines = run_command_get_lines cmd in
176 (* filter out lines not directly describing fs objects such as
177 "package diverts others to: /path/to/..." *)
178 let lines = List.filter (
179 fun l -> l.[0] = '/' && l.[1] != '.'
181 let files = List.map (
183 let statbuf = lstat path in
184 let is_dir = statbuf.st_kind = S_DIR in
185 let config = statbuf.st_kind = S_REG && string_prefix "/etc/" path in
186 let mode = statbuf.st_perm in
187 (path, { ft_dir = is_dir; ft_config = config; ft_mode = mode;
188 ft_ghost = false; ft_size = statbuf.st_size })
192 let debian_list_files pkg =
193 if use_installed && List.exists ((=) pkg) (get_installed_pkgs ()) then
194 debian_list_files_installed pkg
196 debian_list_files_downloaded pkg
198 (* Easy because we already unpacked the archive above. *)
199 let debian_get_file_from_package pkg file =
200 if use_installed && List.exists (fun p -> p = pkg) (get_installed_pkgs ())
204 tmpdir // pkg ^ ".d" // file
208 ph_detect = debian_detect;
209 ph_init = debian_init;
210 ph_resolve_dependencies_and_download =
211 debian_resolve_dependencies_and_download;
212 ph_list_files = debian_list_files;
213 ph_get_file_from_package = debian_get_file_from_package;
215 register_package_handler "debian" ph