From: gobo72 <gobo72@364a67c3-989e-7be9-548d-dae8560ea662>
Date: Tue, 6 Sep 2011 04:04:36 +0000 (+0000)
Subject: Ajout rpm2cpio en installant cpio
X-Git-Url: http://gitweb.hugovil.com/?a=commitdiff_plain;h=8f1464e84d61c3e654591b7939403d312b6cb209;p=hvlinux.git

Ajout rpm2cpio en installant cpio
---

diff --git a/stage3/misc/rpm2cpio b/stage3/misc/rpm2cpio
new file mode 100755
index 0000000..5503e89
--- /dev/null
+++ b/stage3/misc/rpm2cpio
@@ -0,0 +1,87 @@
+#!/usr/bin/perl
+
+# Why does the world need another rpm2cpio?  Because the existing one
+# won't build unless you have half a ton of things that aren't really
+# required for it, since it uses the same library used to extract RPMs.
+# In particular, it won't build on the HPsUX box I'm on.
+
+#
+# Expanded quick-reference help by Rick Moen (not the original author 
+# of this script).
+#
+
+# add a path if desired
+$gzip = "gzip";
+
+sub printhelp {
+  print "\n";
+  print "rpm2cpio, perl version by orabidoo <odar\@pobox.com>\n";
+  print "\n";
+  print "use: rpm2cpio [file.rpm]\n";
+  print "dumps the contents to stdout as a GNU cpio archive\n";
+  print "\n";
+  print "In case it's non-obvious, you'll need to redirect output\n";
+  print "from this script, e.g., './rpm2cpio package.rpm > package.cpio'.\n";
+  print "Then, unpack in, say, /tmp with a cpio incantation like this one:\n";
+  print "'cpio -ivd < package.cpio'\n";
+  print "\n";
+  print "You can optionally combine both steps:\n";
+  print "'rpm2cpio package.rpm | cpio -iduv'\n";
+  print "\n";
+  print "In either event, you will also need the 'cpio' utility available\n";
+  print "on your system.  If you can't find it elsewhere, source code for\n";
+  print "GNU cpio is always available at ftp://ftp.gnu.org/gnu/cpio/.)\n";
+  print "You'll also, of course, need Perl, and will want this Perl script\n";
+  print "set as executable, i.e., by doing 'chmod 775 rpm2cpio'\n";
+  print "\n";
+  print "Be aware that this script works ONLY on version 3 or 4-format RPM\n";
+  print "archives.  You can check an archive's RPM-format version using\n";
+  print "the Unix 'file' utility.  Also, be aware that the 'cpio'\n";
+  print "incantations above will unpack files at the current directory\n";
+  print "level.\n";
+  print "\n";
+  exit 0;
+}
+
+if ($#ARGV == -1) {
+  printhelp if -t STDIN;
+  $f = "STDIN";
+} elsif ($#ARGV == 0) {
+  open(F, "< $ARGV[0]") or die "Can't read file $ARGV[0]\n";
+  $f = 'F';
+} else {
+  printhelp;
+}
+
+printhelp if -t STDOUT;
+
+# gobble the file up
+undef $/;
+$|=1;
+$rpm = <$f>;
+close ($f);
+
+($magic, $major, $minor, $crap) = unpack("NCC C90", $rpm);
+
+die "Not an RPM\n" if $magic != 0xedabeedb;
+die "Not a version 3 or 4 RPM\n" if $major != 3 and $major != 4;
+
+$rpm = substr($rpm, 96);
+
+while ($rpm ne '') {
+  $rpm =~ s/^\c@*//s;
+  ($magic, $crap, $sections, $bytes) = unpack("N4", $rpm);
+  $smagic = unpack("n", $rpm);
+  last if $smagic eq 0x1f8b;
+  die "Error: header not recognized\n" if $magic != 0x8eade801;
+  $rpm = substr($rpm, 16*(1+$sections) + $bytes);
+}
+
+die "bogus RPM\n" if $rpm eq '';
+
+open(ZCAT, "|gzip -cd") || die "can't pipe to gzip\n";
+print STDERR "CPIO archive found!\n";
+
+print ZCAT $rpm;
+close ZCAT;
+
diff --git a/stage3/pkg/cpio b/stage3/pkg/cpio
new file mode 100644
index 0000000..707d49c
--- /dev/null
+++ b/stage3/pkg/cpio
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+hvbuild_post()
+{
+    install -v -m755 ${SCRDIR}/misc/rpm2cpio /usr/bin
+}