mirror of
https://github.com/RsyncProject/rsync.git
synced 2026-01-21 05:18:14 -05:00
106 lines
2.6 KiB
Perl
Executable File
106 lines
2.6 KiB
Perl
Executable File
#!/usr/bin/perl -w
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# This script is used to turn one or more of the "patch/*" branches
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# into one or more diffs in the "patches" directory. Pass the option
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# --gen if you want generated files in the diffs. Pass the name of
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# one or more diffs if you want to just update a subset of all the
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# diffs.
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use strict;
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die "No 'patches' directory present in the current dir.\n" unless -d 'patches';
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die "No '.git' directory present in the current dir.\n" unless -d '.git';
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open(IN, '<', 'prepare-source.mak') or die "Couldn't open prepare-source.mak: $!\n";
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$_ = join('', <IN>);
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close IN;
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my @extra_files = m{\n([^\s:]+):.*\n\t\S}g;
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my $incl_generated_files;
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$incl_generated_files = shift if @ARGV && $ARGV[0] eq '--gen';
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system "git-checkout master" and exit 1;
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if ($incl_generated_files) {
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die "'a' already exists.\n" if -e 'a';
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die "'b' already exists.\n" if -e 'b';
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system "./prepare-source && rsync -a @extra_files a/" and exit 1;
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}
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my(@patches, %local_patch);
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if (@ARGV) {
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foreach (@ARGV) {
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s{^(patches|patch|origin/patch)/} {};
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s{\.diff$} {};
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push(@patches, $_);
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}
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open(PIPE, '-|', 'git-branch', '-l') or die $!;
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} else {
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open(PIPE, '-|', 'git-branch', '-a') or die $!;
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}
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while (<PIPE>) {
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if (m# origin/patch/(.*)#) {
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push(@patches, $1);
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} elsif (m# patch/(.*)#) {
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$local_patch{$1} = 1;
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}
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}
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close PIPE;
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foreach my $patch (@patches) {
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print "======== $patch ========\n";
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if ($local_patch{$patch}) {
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system "git-checkout patch/$patch" and exit 1;
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} else {
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system "git-checkout --track -b patch/$patch origin/patch/$patch" and exit 1;
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}
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my $parent = 'master';
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open(IN, '<', 'PATCH') or next;
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open(OUT, '>', "patches/$patch.diff") or die $!;
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while (<IN>) {
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if (m#patch -p1 <patch/(\S+)\.diff# && $1 ne $patch) {
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$parent = $1;
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}
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print OUT $_;
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}
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close IN;
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print OUT "\n";
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if (system("git-rebase -m $parent") != 0) {
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print qq|"git-rebase -m $parent" incomplete -- please fix.\n|;
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$ENV{PS1} = "[$parent] patch/$patch: ";
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system $ENV{SHELL};
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}
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open(PIPE, '-|', 'git-diff', 'master') or die $!;
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while (<PIPE>) {
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last if m{^diff --git a/PATCH b/PATCH$};
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print OUT $_;
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}
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while (<PIPE>) {
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last if m{^diff --git a/};
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}
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print OUT $_, <PIPE>;
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close PIPE;
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if ($incl_generated_files) {
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system "./prepare-source && rsync -a @extra_files b/" and exit 1;
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open(PIPE, '-|', 'diff', '-up', 'a', 'b') or die $!;
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while (<PIPE>) {
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s/^((?:---|\+\+\+) [^\t]+)\t.*/$1/;
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print OUT $_;
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}
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close PIPE;
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}
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close OUT;
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}
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if ($incl_generated_files) {
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system "rm -rf a b";
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}
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print "-------- master --------\n";
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system "git-checkout master && ./prepare-source";
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