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 yb.preconf.debuglevel = %d
44 yb.preconf.errorlevel = %d
46 # Look up the base packages from the command line.
48 pkgs = yb.pkgSack.returnPackages (patterns=sys.argv[2:])
52 # Recursively find all the dependencies.
56 for pkg in deps.keys():
57 if deps[pkg] == False:
60 for r in pkg.requires:
61 ps = yb.whatProvides (r[0], r[1], r[2])
62 best = yb._bestPackageFromList (ps.returnPackages ())
63 if best.name != pkg.name:
64 deps[pkg].append (best)
65 if not deps.has_key (best):
67 deps[pkg] = yum.misc.unique (deps[pkg])
69 # Write it to a file because yum spews garbage on stdout.
70 f = open (sys.argv[1], \"w\")
71 for pkg in deps.keys ():
72 f.write (\"%%s %%s %%s %%s %%s\\n\" %%
73 (pkg.name, pkg.epoch, pkg.version, pkg.release, pkg.arch))
75 " (if verbose then 1 else 0) (if verbose then 1 else 0) in
76 let tmpfile = tmpdir // "names.tmp" in
77 run_python py (tmpfile :: names);
78 let chan = open_in tmpfile in
79 let lines = input_all_lines chan in
86 match string_split " " line with
87 | [name; epoch; version; release; arch] ->
88 name, int_of_string epoch, version, release, arch
90 eprintf "febootstrap: bad output from python script: '%s'" line;
94 (* Something of a hack for x86_64: exclude all i[3456]86 packages. *)
96 if Config.host_cpu = "x86_64" then (
98 function (_, _, _, _, ("i386"|"i486"|"i586"|"i686")) -> false
104 (* Drop the kernel package to save time. *)
106 List.filter (function ("kernel",_,_,_,_) -> false | _ -> true) pkgs in
108 (* Exclude packages matching [--exclude] regexps on the command line. *)
111 fun (name, _, _, _, _) ->
112 not (List.exists (fun re -> Str.string_match re name 0) excludes)
115 (* Sort the list of packages, and remove duplicates (by name).
116 * XXX This is not quite right: we really want to keep the latest
117 * package if duplicates are found, but that would require a full
118 * version compare function.
120 let pkgs = List.sort (fun a b -> compare b a) pkgs in
122 let cmp (name1, _, _, _, _) (name2, _, _, _, _) = compare name1 name2 in
124 let pkgs = List.sort compare pkgs in
126 (* Construct package names. *)
127 let pkgnames = List.map (
129 | name, 0, version, release, arch ->
130 sprintf "%s-%s-%s.%s" name version release arch
131 | name, epoch, version, release, arch ->
132 sprintf "%d:%s-%s-%s.%s" epoch name version release arch
135 if pkgnames = [] then (
136 eprintf "febootstrap: yum-rpm: error: no packages to download\n";
140 let cmd = sprintf "yumdownloader%s --destdir %s %s"
141 (if verbose then "" else " --quiet")
142 (Filename.quote tmpdir)
143 (String.concat " " (List.map Filename.quote pkgnames)) in
146 (* Return list of package filenames. *)
148 (* yumdownloader doesn't include epoch in the filename *)
149 fun (name, _, version, release, arch) ->
150 sprintf "%s/%s-%s-%s.%s.rpm" tmpdir name version release arch
153 let rec yum_rpm_list_files pkg =
154 (* Run rpm -qlp with some extra magic. *)
156 sprintf "rpm -q --qf '[%%{FILENAMES} %%{FILEFLAGS:fflags} %%{FILEMODES}\\n]' -p %s"
158 let lines = run_command_get_lines cmd in
163 match string_split " " line with
164 | [filename; flags; mode] ->
165 let test_flag = String.contains flags in
166 let mode = int_of_string mode in
167 if test_flag 'd' then None (* ignore documentation *)
170 ft_dir = mode land 0o40000 <> 0;
171 ft_ghost = test_flag 'g'; ft_config = test_flag 'c';
175 eprintf "febootstrap: bad output from rpm command: '%s'" line;
179 (* I've never understood why the base packages like 'filesystem' don't
180 * contain any /dev nodes at all. This leaves every program that
181 * bootstraps RPMs to create a varying set of device nodes themselves.
182 * This collection was copied from mock/backend.py.
185 let b = Filename.basename pkg in
186 if string_prefix "filesystem-" b then (
187 let dirs = [ "/proc"; "/sys"; "/dev"; "/dev/pts"; "/dev/shm";
190 List.map (fun name ->
191 name, { ft_dir = true; ft_ghost = false;
192 ft_config = false; ft_mode = 0o40755 }) dirs in
193 let devs = [ "/dev/null"; "/dev/full"; "/dev/zero"; "/dev/random";
194 "/dev/urandom"; "/dev/tty"; "/dev/console";
195 "/dev/ptmx"; "/dev/stdin"; "/dev/stdout"; "/dev/stderr" ] in
196 (* No need to set the mode because these will go into hostfiles. *)
198 List.map (fun name ->
199 name, { ft_dir = false; ft_ghost = false;
200 ft_config = false; ft_mode = 0o644 }) devs in
206 let yum_rpm_get_file_from_package pkg file =
207 debug "extracting %s from %s ..." file (Filename.basename pkg);
209 let outfile = tmpdir // file in
211 sprintf "rpm2cpio %s | (cd %s && cpio --quiet -id .%s)"
212 (Filename.quote pkg) (Filename.quote tmpdir) (Filename.quote file) in
218 ph_detect = yum_rpm_detect;
219 ph_resolve_dependencies_and_download =
220 yum_rpm_resolve_dependencies_and_download;
221 ph_list_files = yum_rpm_list_files;
222 ph_get_file_from_package = yum_rpm_get_file_from_package;
224 register_package_handler "yum-rpm" ph