2 * Copyright (C) 2009-2010 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
19 (* Yum and RPM support. *)
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 yum_rpm_detect () =
32 (file_exists "/etc/redhat-release" || file_exists "/etc/fedora-release") &&
33 Config.yum <> "no" && Config.rpm <> "no"
35 let yum_rpm_resolve_dependencies_and_download names =
36 (* Liberate this data from python. *)
43 #yum.logginglevels.setDebugLevel(0) -- doesn't work?
45 # Look up the base packages from the command line.
47 pkgs = yb.pkgSack.returnPackages (patterns=sys.argv[2:])
51 # Recursively find all the dependencies.
55 for pkg in deps.keys():
56 if deps[pkg] == False:
59 for r in pkg.requires:
60 ps = yb.whatProvides (r[0], r[1], r[2])
61 best = yb._bestPackageFromList (ps.returnPackages ())
62 if best.name != pkg.name:
63 deps[pkg].append (best)
64 if not deps.has_key (best):
66 deps[pkg] = yum.misc.unique (deps[pkg])
68 # Write it to a file because yum spews garbage on stdout.
69 f = open (sys.argv[1], \"w\")
70 for pkg in deps.keys ():
71 f.write (\"%s %s %s %s %s\\n\" %
72 (pkg.name, pkg.epoch, pkg.version, pkg.release, pkg.arch))
75 let tmpfile = tmpdir // "names.tmp" in
76 run_python py (tmpfile :: names);
77 let chan = open_in tmpfile in
78 let lines = input_all_lines chan in
85 match string_split " " line with
86 | [name; epoch; version; release; arch] ->
87 name, int_of_string epoch, version, release, arch
89 eprintf "febootstrap: bad output from python script: '%s'" line;
93 (* Something of a hack for x86_64: exclude all i[3456]86 packages. *)
95 if Config.host_cpu = "x86_64" then (
97 function (_, _, _, _, ("i386"|"i486"|"i586"|"i686")) -> false
103 (* Drop the kernel package to save time. *)
105 List.filter (function ("kernel",_,_,_,_) -> false | _ -> true) pkgs in
107 (* Exclude packages matching [--exclude] regexps on the command line. *)
110 fun (name, _, _, _, _) ->
111 not (List.exists (fun re -> Str.string_match re name 0) excludes)
114 (* Sort the list of packages, and remove duplicates (by name).
115 * XXX This is not quite right: we really want to keep the latest
116 * package if duplicates are found, but that would require a full
117 * version compare function.
119 let pkgs = List.sort (fun a b -> compare b a) pkgs in
121 let cmp (name1, _, _, _, _) (name2, _, _, _, _) = compare name1 name2 in
123 let pkgs = List.sort compare pkgs in
125 (* Construct package names. *)
126 let pkgnames = List.map (
128 | name, 0, version, release, arch ->
129 sprintf "%s-%s-%s.%s" name version release arch
130 | name, epoch, version, release, arch ->
131 sprintf "%d:%s-%s-%s.%s" epoch name version release arch
134 if pkgnames = [] then (
135 eprintf "febootstrap: yum-rpm: error: no packages to download\n";
139 let cmd = sprintf "yumdownloader --destdir %s %s"
140 (Filename.quote tmpdir)
141 (String.concat " " (List.map Filename.quote pkgnames)) in
144 (* Return list of package filenames. *)
146 (* yumdownloader doesn't include epoch in the filename *)
147 fun (name, _, version, release, arch) ->
148 sprintf "%s/%s-%s-%s.%s.rpm" tmpdir name version release arch
151 let rec yum_rpm_list_files pkg =
152 (* Run rpm -qlp with some extra magic. *)
154 sprintf "rpm -q --qf '[%%{FILENAMES} %%{FILEFLAGS:fflags} %%{FILEMODES}\\n]' -p %s"
156 let lines = run_command_get_lines cmd in
161 match string_split " " line with
162 | [filename; flags; mode] ->
163 let test_flag = String.contains flags in
164 let mode = int_of_string mode in
165 if test_flag 'd' then None (* ignore documentation *)
168 ft_dir = mode land 0o40000 <> 0;
169 ft_ghost = test_flag 'g'; ft_config = test_flag 'c';
173 eprintf "febootstrap: bad output from rpm command: '%s'" line;
177 (* I've never understood why the base packages like 'filesystem' don't
178 * contain any /dev nodes at all. This leaves every program that
179 * bootstraps RPMs to create a varying set of device nodes themselves.
180 * This collection was copied from mock/backend.py.
183 let b = Filename.basename pkg in
184 if string_prefix "filesystem-" b then (
185 let dirs = [ "/proc"; "/sys"; "/dev"; "/dev/pts"; "/dev/shm";
188 List.map (fun name ->
189 name, { ft_dir = true; ft_ghost = false;
190 ft_config = false; ft_mode = 0o40755 }) dirs in
191 let devs = [ "/dev/null"; "/dev/full"; "/dev/zero"; "/dev/random";
192 "/dev/urandom"; "/dev/tty"; "/dev/console";
193 "/dev/ptmx"; "/dev/stdin"; "/dev/stdout"; "/dev/stderr" ] in
194 (* No need to set the mode because these will go into hostfiles. *)
196 List.map (fun name ->
197 name, { ft_dir = false; ft_ghost = false;
198 ft_config = false; ft_mode = 0o644 }) devs in
204 let yum_rpm_get_file_from_package pkg file =
205 debug "extracting %s from %s ..." file (Filename.basename pkg);
207 let outfile = tmpdir // file in
209 sprintf "rpm2cpio %s | (cd %s && cpio --quiet -id .%s)"
210 (Filename.quote pkg) (Filename.quote tmpdir) (Filename.quote file) in
216 ph_detect = yum_rpm_detect;
217 ph_resolve_dependencies_and_download =
218 yum_rpm_resolve_dependencies_and_download;
219 ph_list_files = yum_rpm_list_files;
220 ph_get_file_from_package = yum_rpm_get_file_from_package;
222 register_package_handler "yum-rpm" ph