-#!/bin/sh
-
-[ -d patches ] && cd patches
-
-if [ ! -f verify-patches ]; then
- echo "Please run this script from the root of the rsync dir"
- echo "or from inside the patches subdir."
- exit 1
-fi
-
-root=`cat ../CVS/Root`
-tmpdir=,tmp-for-patch-tests
-
-[ -d $tmpdir ] || mkdir $tmpdir
-cd $tmpdir || exit 1
-
-[ -d workdir ] || mkdir workdir
-echo "Using CVS to update the $tmpdir/cvsdir copy of the source."
-cvs -d "$root" co -d cvsdir rsync
-
-cd workdir || exit 1
-
-if [ -z "$1" ]; then
- set -- ../../*.diff
-fi
-
-for xx in "${@}"; do
- case "$xx" in
- *gzip-rsyncable.diff) continue ;;
- patches/*) xx=`echo $xx | sed 's:patches:../..:'` ;;
- */*.diff) ;;
- *.diff) xx=../../$xx ;;
- *) continue ;;
- esac
- apply=y
- while : ; do
- echo -e "\n----------- $xx ------------"
- if [ $apply = y ]; then
- rsync -a --delete ../cvsdir/ .
- patch -p0 <$xx | tee ,patch.output
- new=''
- for nn in `sed -n 's/^patching file //p' ,patch.output`; do
- [ -f ../cvsdir/$nn ] || new="$new $nn"
- done
- if grep "^Hunk #[0-9]* FAILED" ,patch.output >/dev/null; then
- default=F
- elif grep "^Hunk #[0-9]* succeeded" ,patch.output >/dev/null; then
- default=E
- else
- default=N
- fi
- apply=n
- fi
- echo -e "\nFix rejects, Edit both diffs, Update patch,"
- echo -n "Apply patch again, Next, Quit: [$default] "
- read ans
- [ -z "$ans" ] && ans=$default
- case "$ans" in
- [Ee]*)
- [ ! -z "$new" ] && cvs add $new
- new=''
- rm -f *.rej *.orig */*.rej */*.orig
- sed '/^--- /,$ d' $xx >,new.patch
- cvs diff -N | egrep -v '^(diff -|===============|RCS file: |retrieving revision |Index: )' >>,new.patch
- vim -d $xx ,new.patch
- default=U
- ;;
- [Ff]*)
- vim `sed -ne 's/.* saving rejects to file //p' ,patch.output`
- default=E
- ;;
- [Uu]*)
- if [ -f ,new.patch ]; then
- cp -p ,new.patch $xx
- echo -e "\nCopied ,new.patch to $xx"
- default=A
- else
- echo -e "\n*** Edit the diffs first. ***"
- default=E
- fi
- ;;
- [Aa]*)
- apply=y
- ;;
- [Nn]*)
- break
- ;;
- [Qq]*)
- exit 0
- ;;
- esac
- done
-done
+#!/usr/bin/perl
+
+use strict;
+use Getopt::Long;
+
+my @generated_files = qw( proto.h configure config.h.in rsync.1 rsyncd.conf.5 );
+
+my($no_cvs, $failures_only, $minor_updates, $prepare_source);
+my @auto_cmds;
+
+&Getopt::Long::Configure('bundling');
+GetOptions(
+ 'no-cvs|n' => \$no_cvs,
+ 'failures-only|f' => \$failures_only,
+ 'minor-updates|u' => \$minor_updates,
+ 'prepare-source|p' => \$prepare_source,
+ 'auto-cmd|a=s' => sub { push(@auto_cmds, $_[1]) },
+) or &usage;
+
+$" = '|';
+my $auto_regex = @auto_cmds ? qr/^(@auto_cmds)$/i : qr/^never$/;
+my $interesting_fuzz = $minor_updates ? '\d' : '[2-9]';
+$" = ' ';
+
+chdir('patches') if -d 'patches';
+
+if (!-f 'verify-patches') {
+ die <<EOT;
+Please run this script from the root of the rsync dir or
+from inside the patches subdir.
+EOT
+}
+
+$ENV{'LC_COLLATE'} = 'C';
+$| = 1;
+my $CONF_OPTS = '--cache-file=../config.cache';
+
+my($has_dependencies, @new, @rejects);
+
+END {
+ &restore_cvsdir;
+ system "rsync -a --del cvsdir/ workdir/" if -d 'cvsdir';
+};
+
+my $root;
+open(IN, '../CVS/Root') or die $!;
+chomp($root = <IN>);
+close IN;
+
+mkdir('tmp', 0777) unless -d 'tmp';
+chdir('tmp') or die "Unable to chdir to 'tmp'";
+symlink('..', 'patches') unless -d 'patches';
+
+mkdir('workdir') unless -d 'workdir';
+open(OUT, '>exclude') or die $!;
+print OUT join("\n", 'CVS', @generated_files), "\n";
+close OUT;
+
+unless ($no_cvs) {
+ print "Using CVS to update the tmp/cvsdir copy of the source.\n";
+ system qq|cvs -qd "$root" co -P -d cvsdir rsync|;
+}
+
+@ARGV = glob('patches/*.diff') unless @ARGV;
+
+DIFF:
+foreach my $diff (@ARGV) {
+ next unless $diff =~ /\.diff$/;
+ next if $diff =~ /gzip-rsyncable[-_a-z]*\.diff$/;
+ $diff =~ s#^(patches|\.\.)/##;
+
+ my $conf_opts;
+ open(IN, "patches/$diff") or die $!;
+ while (<IN>) {
+ last if /^--- /;
+ if (m#^\s+patch -p1 <patches/(\S+.diff)# && $1 ne $diff) {
+ my $dep = $1;
+ $has_dependencies = 1;
+ print "\nApplying dependency patch $dep...\n";
+ if (system("patch -d cvsdir -p1 -b -Vt <patches/$dep") != 0) {
+ print "Unable to cleanly apply dependency patch -- skipping $diff\n";
+ system "rm -f cvsdir/*.rej cvsdir/*/*.rej";
+ &restore_cvsdir;
+ next DIFF;
+ }
+ sleep(1) if $prepare_source; # Ensure later diffs get later times.
+ }
+ if (!defined($conf_opts) && s#^\s+\./configure\s+##) {
+ chomp($conf_opts = $_);
+ $conf_opts =~ s/\s*\(.*?\)//;
+ }
+ }
+ close IN;
+ $conf_opts = '' unless defined $conf_opts;
+
+ my $default = apply_patch($diff);
+
+ if ($prepare_source) {
+ print "\nPreparing the source...\n";
+ chdir('workdir') or die $!;
+ system "./prepare-source";
+ chdir('..') or die $!;
+ }
+
+ if ($default =~ s/^D,// || $default eq 'N') {
+ my $def = generate_new_patch($diff);
+ $default = 'U,N' if $default eq 'N' && $def eq 'E';
+ $default = 'N' if !$minor_updates && $default eq 'U,N';
+ }
+
+ my $first_time = 1;
+ PROMPT:
+ while (1) {
+ print "\n----------- $diff ------------\n",
+ "\nFix rejects, Diff create, Edit both diffs, Update patch,\n",
+ "Apply patch again, !(CMD), Build rsync, Next, Quit: [$default] ";
+ my $ans = $default;
+ if ($first_time && $default =~ /$auto_regex/) {
+ print $default, "\n";
+ } else {
+ my $input = <STDIN>;
+ chomp $input;
+ if ($input =~ s/^(-a|--auto-cmd=?)\s*//) {
+ push(@auto_cmds, $input eq '' ? $default : $input);
+ $" = '|';
+ $auto_regex = qr/^(@auto_cmds)$/i;
+ $" = ' ';
+ next;
+ }
+ $ans = $input if $input ne '';
+ }
+ $first_time = 0;
+ while ($ans =~ s/^\s*(!|\w)((?<!!)[^;,]*|[^;]*)[;,]?//) {
+ my $cmd = "\U$1\E";
+ if ($cmd eq '!') {
+ $cmd = $2 || $ENV{'SHELL'};
+ chdir('workdir') or die $!;
+ system $cmd;
+ chdir('..') or die $!;
+ $default = 'D';
+ next;
+ }
+ if ($cmd eq 'A') {
+ $default = apply_patch($diff);
+ next;
+ }
+ if ($cmd eq 'B') {
+ chdir('workdir') or die $!;
+ my $cmd = "./prepare-source && ./configure $CONF_OPTS $conf_opts && make";
+ print "Running: $cmd\n";
+ system $cmd;
+ chdir('..') or die $!;
+ $default = '!make test';
+ next;
+ }
+ if ($cmd eq 'D') {
+ $default = generate_new_patch($diff);
+ next;
+ }
+ if ($cmd eq 'E') {
+ chdir('workdir') or die $!;
+ system "vim -d ../patches/$diff ../new.patch";
+ chdir('..') or die $!;
+ $default = 'U,A,D';
+ next;
+ }
+ if ($cmd eq 'F') {
+ chdir('workdir') or die $!;
+ system "vim @rejects";
+ chdir('..') or die $!;
+ $default = 'D,E';
+ next;
+ }
+ if ($cmd eq 'N') {
+ last PROMPT;
+ }
+ if ($cmd eq 'Q') {
+ exit;
+ }
+ if ($cmd eq 'U') {
+ system "cp -p new.patch patches/$diff";
+ print "\nUpdated $diff from new.patch\n";
+ $default = 'A';
+ next;
+ }
+ }
+ }
+
+ &restore_cvsdir;
+}
+
+exit;
+
+
+sub apply_patch
+{
+ my($diff) = @_;
+
+ undef @new;
+ system "rsync -a --delete --exclude='*~' cvsdir/ workdir/";
+ print "\nApplying patch $diff...\n";
+ undef @rejects;
+ my($saw_offset, $saw_fuzz);
+ open(IN, "patch -d workdir -p1 --no-backup-if-mismatch <patches/$diff |") or die $!;
+ while (<IN>) {
+ print $_;
+ chomp;
+ if (s/^patching file //) {
+ push(@new, $_) unless -f "cvsdir/$_";
+ } elsif (s/.* saving rejects to file //) {
+ push(@rejects, $_);
+ } elsif (/^Hunk #\d+ succeeded at \d+( with fuzz $interesting_fuzz)?/o) {
+ $saw_fuzz ||= defined $1;
+ $saw_offset = 1;
+ }
+ }
+ close IN;
+ return 'F,D,E' if @rejects;
+ return 'D,E' if $saw_fuzz && !$failures_only;
+ return 'D,U,N' if $saw_offset && !$failures_only;
+ 'N';
+}
+
+sub filter_diff
+{
+ my($cmd) = @_;
+ open(IN, '-|', $cmd) or die $!;
+ while (<IN>) {
+ next if /^(diff -|Index: |Only in )/;
+ s#^\Q--- cvsdir/\E([^\t]+).*#--- old/$1#;
+ s#^\Q+++ workdir/\E([^\t]+).*#+++ new/$1#;
+ print OUT $_;
+ }
+ close IN;
+}
+
+sub generate_new_patch
+{
+ my($diff) = @_;
+
+ foreach (@new) {
+ system "touch -r workdir/$_ cvsdir/$_";
+ }
+ open(IN, "patches/$diff") or die $!;
+ open(OUT, '>new.patch') or die $!;
+ while (<IN>) {
+ last if /^--- /;
+ print OUT $_;
+ }
+ close IN;
+ &filter_diff('diff --exclude-from=exclude -dupr cvsdir workdir');
+ if ($prepare_source) {
+ # These are not included in the diff above so that patch will give
+ # generated files a later timestamp than the source files.
+ foreach my $fn (@generated_files) {
+ &filter_diff("diff -dup cvsdir/$fn workdir");
+ }
+ }
+ close OUT;
+ foreach (@new) {
+ unlink("cvsdir/$_");
+ }
+ print "\nDiffing... ";
+ if (system("diff patches/$diff new.patch >/dev/null") == 0) {
+ print "new patch is identical to old.\n";
+ return 'N';
+ }
+ print "New patch DIFFERS from old.\n";
+ 'E';
+}
+
+sub restore_cvsdir
+{
+ return unless $has_dependencies;
+ $has_dependencies = 0;
+
+ chdir('cvsdir') or die $!;
+ foreach (glob('*.~[1-9]~'), glob('*/*.~[1-9]~')) {
+ my $fn;
+ ($fn = $_) =~ s/\.~1~$//;
+ if ($fn eq $_) {
+ unlink($_);
+ } elsif (-r $_) {
+ rename($_, $fn);
+ } else {
+ unlink($_);
+ unlink($fn);
+ }
+ }
+ chdir('..') or die $!;
+}
+
+sub usage
+{
+ die <<EOT;
+Usage: $0 [OPTS] [DIFF-FILE...]
+ -a, --auto-cmd=REGEX If default_cmd =~ /^(REGEX)\$/, enter it automatically
+ -f, --failures-only Suggest skipping patches that don't have failing hunks
+ -n, --no-cvs Don't update tmp/cvsdir at the start of the run
+ -p, --prepare-source Run ./prepare-source and include generated files in diff
+ -u, --minor-updates Suggest 'U' for even minor changes in the diff
+EOT
+}