65 lines
1.9 KiB
Perl
65 lines
1.9 KiB
Perl
#!/usr/bin/perl -w
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#
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# Script to rediff all patches in the spec
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# Usage: perl -w rediffall.pl < kernel-2.4.spec
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#
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# $workdir is where the new rediff'ed patches are created
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# $origdir is where the original patches and tarball are located
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#
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# Note that both $workdir and $origdir must be absolute path names.
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# Suggestion: create a /kernel symbolic link to the top of your CVS tree.
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my $workdir = "/dev/shm/redifftree";
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my $origdir = "/home/davej/devel";
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my $kernver = "linux-2.6.17";
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my $datestrip = "s/^\\(\\(+++\\|---\\) [^[:blank:]]\\+\\)[[:blank:]].*/\\1/";
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my $patchindex = 0;
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my @patchlist;
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# phase 1: create a tree
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print "Extracting pristine source..\n";
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system("mkdir -p $workdir");
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system("rm -rf $workdir/*");
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chdir("$workdir");
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system("tar -jxvf $origdir/$kernver.tar.bz2 > /dev/null");
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system("cp -al $kernver linux-$patchindex");
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# phase 2: read the spec from stdin and store all patches
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print "Reading specfile..\n";
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while (<>) {
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my $line = $_;
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if ($line =~ /^Patch([0-9]+)\: ([a-zA-Z0-9\-\_\.\+]+\.patch)/) {
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$patchlist[$1] = $2;
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} else {
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if ($line =~ /^Patch([0-9]+)\: ([a-zA-Z0-9\-\_\.]+\.bz2)/) {
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$patchlist[$1] = $2;
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}
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}
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if ($line =~ /^%patch([0-9]+) -p1/) {
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# copy the tree, apply the patch, diff and remove the old tree
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my $oldindex = $patchindex;
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$patchindex = $1;
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print "rediffing patch number $patchindex: $patchlist[$patchindex]\n";
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system("cp -al linux-$oldindex linux-$patchindex");
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chdir("linux-$patchindex");
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if ($patchlist[$patchindex] =~ /bz2/) {
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system("bzcat $origdir/$patchlist[$patchindex] | patch -p1 &>/dev/null");
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} else {
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system("cat $origdir/$patchlist[$patchindex] | patch -p1 &>/dev/null");
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}
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chdir("$workdir");
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system("rm -f `find -name \"*orig\"`");
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if ($patchlist[$patchindex] =~ /bz2/) {
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} else {
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system("diff -urNp --exclude-from=/home/davej/.exclude linux-$oldindex linux-$patchindex | sed '$datestrip' > $patchlist[$patchindex]");
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}
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system("rm -rf linux-$oldindex");
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}
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};
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1;
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