+++ /dev/null
-(* febootstrap 3
- * Copyright (C) 2009-2010 Red Hat Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *)
-
-(* Yum and RPM support. *)
-
-open Unix
-open Printf
-
-open Febootstrap_package_handlers
-open Febootstrap_utils
-open Febootstrap_cmdline
-
-(* Create a temporary directory for use by all the functions in this file. *)
-let tmpdir = tmpdir ()
-
-let yum_rpm_detect () =
- (file_exists "/etc/redhat-release" || file_exists "/etc/fedora-release") &&
- Config.yum <> "no" && Config.rpm <> "no"
-
-let yum_rpm_resolve_dependencies_and_download names =
- (* Liberate this data from python. *)
- let py = "
-import yum
-import yum.misc
-import sys
-
-yb = yum.YumBase ()
-#yum.logginglevels.setDebugLevel(0) -- doesn't work?
-
-# Look up the base packages from the command line.
-deps = dict ()
-pkgs = yb.pkgSack.returnPackages (patterns=sys.argv[2:])
-for pkg in pkgs:
- deps[pkg] = False
-
-# Recursively find all the dependencies.
-stable = False
-while not stable:
- stable = True
- for pkg in deps.keys():
- if deps[pkg] == False:
- deps[pkg] = []
- stable = False
- for r in pkg.requires:
- ps = yb.whatProvides (r[0], r[1], r[2])
- best = yb._bestPackageFromList (ps.returnPackages ())
- if best.name != pkg.name:
- deps[pkg].append (best)
- if not deps.has_key (best):
- deps[best] = False
- deps[pkg] = yum.misc.unique (deps[pkg])
-
-# Write it to a file because yum spews garbage on stdout.
-f = open (sys.argv[1], \"w\")
-for pkg in deps.keys ():
- f.write (\"%s %s %s %s %s\\n\" %
- (pkg.name, pkg.epoch, pkg.version, pkg.release, pkg.arch))
-f.close ()
-" in
- let tmpfile = tmpdir // "names.tmp" in
- run_python py (tmpfile :: names);
- let chan = open_in tmpfile in
- let lines = input_all_lines chan in
- close_in chan;
-
- (* Get fields. *)
- let pkgs =
- List.map (
- fun line ->
- match string_split " " line with
- | [name; epoch; version; release; arch] ->
- name, int_of_string epoch, version, release, arch
- | _ ->
- eprintf "febootstrap: bad output from python script: '%s'" line;
- exit 1
- ) lines in
-
- (* Something of a hack for x86_64: exclude all i[3456]86 packages. *)
- let pkgs =
- if Config.host_cpu = "x86_64" then (
- List.filter (
- function (_, _, _, _, ("i386"|"i486"|"i586"|"i686")) -> false
- | _ -> true
- ) pkgs
- )
- else pkgs in
-
- (* Drop the kernel package to save time. *)
- let pkgs =
- List.filter (function ("kernel",_,_,_,_) -> false | _ -> true) pkgs in
-
- (* Exclude packages matching [--exclude] regexps on the command line. *)
- let pkgs =
- List.filter (
- fun (name, _, _, _, _) ->
- not (List.exists (fun re -> Str.string_match re name 0) excludes)
- ) pkgs in
-
- (* Sort the list of packages, and remove duplicates (by name).
- * XXX This is not quite right: we really want to keep the latest
- * package if duplicates are found, but that would require a full
- * version compare function.
- *)
- let pkgs = List.sort (fun a b -> compare b a) pkgs in
- let pkgs =
- let cmp (name1, _, _, _, _) (name2, _, _, _, _) = compare name1 name2 in
- uniq ~cmp pkgs in
- let pkgs = List.sort compare pkgs in
-
- (* Construct package names. *)
- let pkgnames = List.map (
- function
- | name, 0, version, release, arch ->
- sprintf "%s-%s-%s.%s" name version release arch
- | name, epoch, version, release, arch ->
- sprintf "%d:%s-%s-%s.%s" epoch name version release arch
- ) pkgs in
-
- if pkgnames = [] then (
- eprintf "febootstrap: yum-rpm: error: no packages to download\n";
- exit 1
- );
-
- let cmd = sprintf "yumdownloader --destdir %s %s"
- (Filename.quote tmpdir)
- (String.concat " " (List.map Filename.quote pkgnames)) in
- run_command cmd;
-
- (* Return list of package filenames. *)
- List.map (
- (* yumdownloader doesn't include epoch in the filename *)
- fun (name, _, version, release, arch) ->
- sprintf "%s/%s-%s-%s.%s.rpm" tmpdir name version release arch
- ) pkgs
-
-let rec yum_rpm_list_files pkg =
- (* Run rpm -qlp with some extra magic. *)
- let cmd =
- sprintf "rpm -q --qf '[%%{FILENAMES} %%{FILEFLAGS:fflags} %%{FILEMODES}\\n]' -p %s"
- pkg in
- let lines = run_command_get_lines cmd in
-
- let files =
- filter_map (
- fun line ->
- match string_split " " line with
- | [filename; flags; mode] ->
- let test_flag = String.contains flags in
- let mode = int_of_string mode in
- if test_flag 'd' then None (* ignore documentation *)
- else
- Some (filename, {
- ft_dir = mode land 0o40000 <> 0;
- ft_ghost = test_flag 'g'; ft_config = test_flag 'c';
- ft_mode = mode;
- })
- | _ ->
- eprintf "febootstrap: bad output from rpm command: '%s'" line;
- exit 1
- ) lines in
-
- (* I've never understood why the base packages like 'filesystem' don't
- * contain any /dev nodes at all. This leaves every program that
- * bootstraps RPMs to create a varying set of device nodes themselves.
- * This collection was copied from mock/backend.py.
- *)
- let files =
- let b = Filename.basename pkg in
- if string_prefix "filesystem-" b then (
- let dirs = [ "/proc"; "/sys"; "/dev"; "/dev/pts"; "/dev/shm";
- "/dev/mapper" ] in
- let dirs =
- List.map (fun name ->
- name, { ft_dir = true; ft_ghost = false;
- ft_config = false; ft_mode = 0o40755 }) dirs in
- let devs = [ "/dev/null"; "/dev/full"; "/dev/zero"; "/dev/random";
- "/dev/urandom"; "/dev/tty"; "/dev/console";
- "/dev/ptmx"; "/dev/stdin"; "/dev/stdout"; "/dev/stderr" ] in
- (* No need to set the mode because these will go into hostfiles. *)
- let devs =
- List.map (fun name ->
- name, { ft_dir = false; ft_ghost = false;
- ft_config = false; ft_mode = 0o644 }) devs in
- dirs @ devs @ files
- ) else files in
-
- files
-
-let yum_rpm_get_file_from_package pkg file =
- debug "extracting %s from %s ..." file (Filename.basename pkg);
-
- let outfile = tmpdir // file in
- let cmd =
- sprintf "rpm2cpio %s | (cd %s && cpio --quiet -id .%s)"
- (Filename.quote pkg) (Filename.quote tmpdir) (Filename.quote file) in
- run_command cmd;
- outfile
-
-let () =
- let ph = {
- ph_detect = yum_rpm_detect;
- ph_resolve_dependencies_and_download =
- yum_rpm_resolve_dependencies_and_download;
- ph_list_files = yum_rpm_list_files;
- ph_get_file_from_package = yum_rpm_get_file_from_package;
- } in
- register_package_handler "yum-rpm" ph
git.annexia.org / febootstrap.git / blobdiff