From b2c9659a39d821b1498bed21aae7e071445410dc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Elan=20Ruusam=C3=A4e?= Date: Sun, 25 Aug 2013 15:58:01 +0300 Subject: [PATCH] add support for poldek_rpm backend --use-installed is not implemented, need to dig more what the method is supposed to return --- configure.ac | 3 + src/Makefile.am | 2 + src/config.ml.in | 1 + src/supermin_poldek_rpm.ml | 184 +++++++++++++++++++++++++++++++++++++ 4 files changed, 190 insertions(+) create mode 100644 src/supermin_poldek_rpm.ml diff --git a/configure.ac b/configure.ac index 0f5921d..9681d30 100644 --- a/configure.ac +++ b/configure.ac @@ -78,6 +78,9 @@ AC_CHECK_PROG(ZYPPER,[zypper],[zypper],[no]) dnl For URPMI handler. AC_CHECK_PROG(URPMI,[urpmi],[urpmi],[no], [$PATH$PATH_SEPARATOR/usr/sbin]) +dnl For Poldek handler. +AC_CHECK_PROG(POLDEK,[poldek],[poldek],[no]) + dnl For Debian handler. AC_CHECK_PROG(APTITUDE,[aptitude],[aptitude],[no]) AC_CHECK_PROG(APT_CACHE,[apt-cache],[apt-cache],[no]) diff --git a/src/Makefile.am b/src/Makefile.am index fe82000..435bd6b 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -29,6 +29,7 @@ EXTRA_DIST = \ supermin_package_handlers.ml \ supermin_pacman.ml \ supermin_urpmi_rpm.ml \ + supermin_poldek_rpm.ml \ supermin_utils.mli \ supermin_utils.ml \ supermin_yum_rpm.ml \ @@ -52,6 +53,7 @@ endif SOURCES += \ supermin_yum_rpm.ml \ supermin_urpmi_rpm.ml \ + supermin_poldek_rpm.ml \ supermin_debian.ml \ supermin_pacman.ml \ supermin.ml diff --git a/src/config.ml.in b/src/config.ml.in index a814f50..a56d872 100644 --- a/src/config.ml.in +++ b/src/config.ml.in @@ -22,6 +22,7 @@ let package_version = "@PACKAGE_VERSION@" let zypper = "@ZYPPER@" let yum = "@YUM@" let urpmi = "@URPMI@" +let poldek = "@POLDEK@" let rpm = "@RPM@" let yumdownloader = "@YUMDOWNLOADER@" let aptitude = "@APTITUDE@" diff --git a/src/supermin_poldek_rpm.ml b/src/supermin_poldek_rpm.ml new file mode 100644 index 0000000..12732cc --- /dev/null +++ b/src/supermin_poldek_rpm.ml @@ -0,0 +1,184 @@ +(* supermin 4 + * Copyright (C) 2009-2013 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 + *) + +(* Poldek and RPM support. *) + +open Unix +open Printf + +open Supermin_package_handlers +open Supermin_utils +open Supermin_cmdline + +(* Create a temporary directory for use by all the functions in this file. *) +let tmpdir = tmpdir () + +let poldek_rpm_detect () = + file_exists "/etc/pld-release" && + Config.poldek <> "no" && Config.rpm <> "no" + +let poldek_rpm_init () = + if use_installed then + eprintf "supermin: poldek_rpm driver assumes all packages are already installed when called with option --use-installed.\n%!" + +let poldek_rpm_resolve_dependencies_and_download_no_installed names = + (* Liberate this data from shell. *) + let tmp_pkg_cache_dir = tmpdir // "pkg_cache_dir" in + let tmp_root = tmpdir // "root" in + let sh = sprintf " +%s +rpm --root=%s --initdb +install -d %s +poldek --root=%s --fetch=%s %s -u \ + $@ +" + (if verbose then "set -x" else "") + tmp_root + tmp_pkg_cache_dir + tmp_root + tmp_pkg_cache_dir + (if verbose then "-v" else "-q") + in + run_shell sh names; + + (* http://rosettacode.org/wiki/Walk_a_directory/Recursively *) + let walk_directory_tree dir pattern = + let select str = Str.string_match (Str.regexp pattern) str 0 in + let rec walk acc = function + | [] -> (acc) + | dir::tail -> + let contents = Array.to_list (Sys.readdir dir) in + let contents = List.rev_map (Filename.concat dir) contents in + let dirs, files = + List.fold_left (fun (dirs,files) f -> + match (stat f).st_kind with + | S_REG -> (dirs, f::files) (* Regular file *) + | S_DIR -> (f::dirs, files) (* Directory *) + | _ -> (dirs, files) + ) ([],[]) contents + in + let matched = List.filter (select) files in + walk (matched @ acc) (dirs @ tail) + in + walk [] [dir] + in + + let pkgs = walk_directory_tree tmp_pkg_cache_dir ".*\\.rpm" in + + (* Return list of package filenames. *) + pkgs + +let poldek_rpm_resolve_dependencies_and_download names mode = + if mode = PkgNamesOnly then ( + eprintf "supermin: poldek-rpm: --names-only flag is not implemented\n"; + exit 1 + ); + + if use_installed then + (* TODO: try to understand from 9750c2e what should do on use_installed *) + failwith "poldek_rpm driver doesn't support --use-installed" + else + poldek_rpm_resolve_dependencies_and_download_no_installed names + +let rec poldek_rpm_list_files pkg = + (* Run rpm -qlp with some extra magic. *) + let cmd = + sprintf "rpm -q --qf '[%%{FILENAMES} %%{FILEFLAGS:fflags} %%{FILEMODES} %%{FILESIZES}\\n]' %s %S" + (if use_installed then "" else "-p") + pkg in + let lines = run_command_get_lines cmd in + + let files = + filter_map ( + fun line -> + match string_split " " line with + | [filename; flags; mode; size] -> + let test_flag = String.contains flags in + let mode = int_of_string mode in + let size = int_of_string size in + if test_flag 'd' then None (* ignore documentation *) + else ( + (* Skip unreadable files when called as non-root *) + if Unix.getuid() > 0 && + (try Unix.access filename [Unix.R_OK]; false with + Unix_error _ -> eprintf "supermin: EPERM %s\n%!" filename; true) then None + else + Some (filename, { + ft_dir = mode land 0o40000 <> 0; + ft_ghost = test_flag 'g'; ft_config = test_flag 'c'; + ft_mode = mode; ft_size = size; + }) + ) + | _ -> + eprintf "supermin: 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; + ft_size = 0 }) 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; + ft_size = 0 }) devs in + dirs @ devs @ files + ) else files in + + files + +let poldek_rpm_get_file_from_package pkg file = + if use_installed then + file + else ( + debug "extracting %s from %s ..." file (Filename.basename pkg); + + let outfile = tmpdir // file in + let cmd = + sprintf "umask 0000; 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 = poldek_rpm_detect; + ph_init = poldek_rpm_init; + ph_resolve_dependencies_and_download = + poldek_rpm_resolve_dependencies_and_download; + ph_list_files = poldek_rpm_list_files; + ph_get_file_from_package = poldek_rpm_get_file_from_package; + } in + register_package_handler "poldek" ph