1#!/usr/bin/perl 2# 3# This tool is used to stamp kernel version information into files at kernel 4# build time. Each argument provided on the command line is the path to a file 5# that needs to be updated with the current verison information. The file 6# xnu/config/MasterVersion is read to determine the version number to use. 7# Each file is read, and all occurrences of the following strings are replaced 8# in-place like so: 9# ###KERNEL_VERSION_LONG### 1.2.3b4 10# ###KERNEL_VERSION_SHORT### 1.2.3 11# ###KERNEL_VERSION_MAJOR### 1 12# ###KERNEL_VERSION_MINOR### 2 13# ###KERNEL_VERSION_VARIANT### 3b4 14# ###KERNEL_VERSION_REVISION### 3 15# ###KERNEL_VERSION_STAGE### VERSION_STAGE_BETA (see libkern/version.h) 16# ###KERNEL_VERSION_PRERELEASE_LEVEL### 4 17# ###KERNEL_BUILDER### root 18# ###KERNEL_BUILD_OBJROOT### xnu/xnu-690.obj~2/RELEASE_PPC 19# ###KERNEL_BUILD_DATE### Sun Oct 24 05:33:28 PDT 2004 20 21use File::Basename; 22 23use strict; 24 25sub ReadFile { 26 my ($fileName) = @_; 27 my $data; 28 local $/ = undef; # Read complete files 29 30 if (open(IN, "<$fileName")) { 31 $data=<IN>; 32 close IN; 33 return $data; 34 } 35 die "newvers: Can't read file \"$fileName\"\n"; 36} 37 38sub WriteFile { 39 my ($fileName, $data) = @_; 40 41 open (OUT, ">$fileName") or die "newvers: Can't write file \"$fileName\"\n"; 42 print OUT $data; 43 close(OUT); 44} 45 46die("SRCROOT not defined") unless defined($ENV{'SRCROOT'}); 47die("OBJROOT not defined") unless defined($ENV{'OBJROOT'}); 48 49my $versfile = "MasterVersion"; 50$versfile = "$ENV{'SRCROOT'}/config/$versfile" if ($ENV{'SRCROOT'}); 51my $BUILD_SRCROOT=$ENV{'SRCROOT'}; 52$BUILD_SRCROOT =~ s,/+$,,; 53my $BUILD_OBJROOT=$ENV{'OBJROOT'}; 54$BUILD_OBJROOT =~ s,/+$,,; 55my $BUILD_OBJPATH=$ENV{'TARGET'} || $ENV{'OBJROOT'}; 56$BUILD_OBJPATH =~ s,/+$,,; 57my $BUILD_DATE = `date`; 58$BUILD_DATE =~ s/[\n\t]//g; 59my $BUILDER=`whoami`; 60$BUILDER =~ s/[\n\t]//g; 61my $RC_STRING = $ENV{'RC_ProjectNameAndSourceVersion'} . "~" . $ENV{'RC_ProjectBuildVersion'} if defined($ENV{'RC_XBS'}); 62 63# Handle four scenarios: 64# SRCROOT=/tmp/xnu 65# OBJROOT=/tmp/xnu/BUILD/obj 66# OBJPATH=/tmp/xnu/BUILD/obj/RELEASE_X86_64 67# 68# SRCROOT=/SourceCache/xnu/xnu-2706 69# OBJROOT=/BinaryCache/xnu/xnu-2706~3/Objects 70# OBJPATH=/BinaryCache/xnu/xnu-2706~3/Objects/DEVELOPMENT_X86_64 71# RC_XBS=YES (XBS-16.3+) 72# RC_ProjectNameAndSourceVersion=xnu-2706 73# RC_ProjectBuildVersion=3 74# 75# SRCROOT=/SourceCache/xnu/xnu-2706 76# OBJROOT=/private/var/tmp/xnu/xnu-2706~2 77# OBJPATH=/private/var/tmp/xnu/xnu-2706~2/DEVELOPMENT_ARM_S5L8940X 78# RC_XBS=YES (<XBS-16.3) 79# RC_ProjectNameAndSourceVersion=xnu-2706 80# RC_ProjectBuildVersion=2 81# 82# SRCROOT=/tmp/xnu-2800.0.1_xnu-svn.roots/Sources/xnu-2800.0.1 83# OBJROOT=/private/tmp/xnu-2800.0.1_xnu-svn.roots/BuildRecords/xnu-2800.0.1_install/Objects 84# OBJPATH=/private/tmp/xnu-2800.0.1_xnu-svn.roots/BuildRecords/xnu-2800.0.1_install/Objects/DEVELOPMENT_X86_64 85# RC_XBS=YES (buildit) 86# RC_BUILDIT=YES 87# RC_ProjectNameAndSourceVersion=xnu-2800.0.1 88# RC_ProjectBuildVersion=1 89# 90# 91# If SRCROOT is a strict prefix of OBJPATH, we 92# want to preserve the "interesting" part 93# starting with "xnu". If it's not a prefix, 94# the basename of OBJROOT itself is "interesting". 95# Newer versions of XBS just set this to "Objects", so we 96# need to synthesize the directory name to be more interesting. 97# 98 99if ($BUILD_OBJPATH =~ m,^$BUILD_SRCROOT/(.*)$,) { 100 $BUILD_OBJROOT = basename($BUILD_SRCROOT) . "/" . $1; 101} elsif ($BUILD_OBJPATH =~ m,^$BUILD_OBJROOT/(.*)$,) { 102 if (defined($RC_STRING)) { 103 $BUILD_OBJROOT = $RC_STRING . "/" . $1; 104 } else { 105 $BUILD_OBJROOT = basename($BUILD_OBJROOT) . "/" . $1; 106 } 107} else { 108 # Use original OBJROOT 109} 110 111my $rawvers = &ReadFile($versfile); 112#$rawvers =~ s/\s//g; 113($rawvers) = split "\n", $rawvers; 114my ($VERSION_MAJOR, $VERSION_MINOR, $VERSION_VARIANT) = split /\./, $rawvers; 115die "newvers: Invalid MasterVersion \"$rawvers\"!!! " if (!$VERSION_MAJOR); 116$VERSION_MINOR = "0" unless ($VERSION_MINOR); 117$VERSION_VARIANT = "0" unless ($VERSION_VARIANT); 118$VERSION_VARIANT =~ tr/A-Z/a-z/; 119$VERSION_VARIANT =~ m/(\d+)((?:d|a|b|r|fc)?)(\d*)/; 120my $VERSION_REVISION = $1; 121my $stage = $2; 122my $VERSION_PRERELEASE_LEVEL = $3; 123$VERSION_REVISION ="0" unless ($VERSION_REVISION); 124$stage = "r" if (!$stage || ($stage eq "fc")); 125$VERSION_PRERELEASE_LEVEL = "0" unless ($VERSION_PRERELEASE_LEVEL); 126 127my $VERSION_STAGE; 128$VERSION_STAGE = 'VERSION_STAGE_DEV' if ($stage eq 'd'); 129$VERSION_STAGE = 'VERSION_STAGE_ALPHA' if ($stage eq 'a'); 130$VERSION_STAGE = 'VERSION_STAGE_BETA' if ($stage eq 'b'); 131$VERSION_STAGE = 'VERSION_STAGE_RELEASE' if ($stage eq 'r'); 132 133my $VERSION_SHORT = "$VERSION_MAJOR.$VERSION_MINOR.$VERSION_REVISION"; 134my $VERSION_LONG = $VERSION_SHORT; 135$VERSION_LONG .= "$stage$VERSION_PRERELEASE_LEVEL" if (($stage ne "r") || ($VERSION_PRERELEASE_LEVEL != 0)); 136 137my $file; 138foreach $file (@ARGV) { 139 print "newvers.pl: Stamping version \"$VERSION_LONG\" into \"$file\" ..."; 140 my $data = &ReadFile($file); 141 my $count=0; 142 $count += $data =~ s/###KERNEL_VERSION_LONG###/$VERSION_LONG/g; 143 $count += $data =~ s/###KERNEL_VERSION_SHORT###/$VERSION_SHORT/g; 144 $count += $data =~ s/###KERNEL_VERSION_MAJOR###/$VERSION_MAJOR/g; 145 $count += $data =~ s/###KERNEL_VERSION_MINOR###/$VERSION_MINOR/g; 146 $count += $data =~ s/###KERNEL_VERSION_VARIANT###/$VERSION_VARIANT/g; 147 $count += $data =~ s/###KERNEL_VERSION_REVISION###/$VERSION_REVISION/g; 148 $count += $data =~ s/###KERNEL_VERSION_STAGE###/$VERSION_STAGE/g; 149 $count += $data =~ s/###KERNEL_VERSION_PRERELEASE_LEVEL###/$VERSION_PRERELEASE_LEVEL/g; 150 $count += $data =~ s/###KERNEL_BUILDER###/$BUILDER/g; 151 $count += $data =~ s/###KERNEL_BUILD_OBJROOT###/$BUILD_OBJROOT/g; 152 $count += $data =~ s/###KERNEL_BUILD_DATE###/$BUILD_DATE/g; 153 print " $count replacements\n"; 154 &WriteFile($file, $data); 155} 156 157if (0==scalar @ARGV) { 158 print "newvers.pl: read version \"$rawvers\" from \"$versfile\"\n"; 159 print "newvers.pl: ###KERNEL_VERSION_LONG### = $VERSION_LONG\n"; 160 print "newvers.pl: ###KERNEL_VERSION_SHORT### = $VERSION_SHORT\n"; 161 print "newvers.pl: ###KERNEL_VERSION_MAJOR### = $VERSION_MAJOR\n"; 162 print "newvers.pl: ###KERNEL_VERSION_MINOR### = $VERSION_MINOR\n"; 163 print "newvers.pl: ###KERNEL_VERSION_VARIANT### = $VERSION_VARIANT\n"; 164 print "newvers.pl: ###KERNEL_VERSION_REVISION### = $VERSION_REVISION\n"; 165 print "newvers.pl: ###KERNEL_VERSION_STAGE### = $VERSION_STAGE\n"; 166 print "newvers.pl: ###KERNEL_VERSION_PRERELEASE_LEVEL### = $VERSION_PRERELEASE_LEVEL\n"; 167 print "newvers.pl: ###KERNEL_BUILDER### = $BUILDER\n"; 168 print "newvers.pl: ###KERNEL_BUILD_OBJROOT### = $BUILD_OBJROOT\n"; 169 print "newvers.pl: ###KERNEL_BUILD_DATE### = $BUILD_DATE\n"; 170} 171