| 1 | #!/usr/bin/perl |
| 2 | |
| 3 | use strict; |
| 4 | use Getopt::Long; |
| 5 | |
| 6 | my($no_cvs, $minor_updates); |
| 7 | |
| 8 | &Getopt::Long::Configure('bundling'); |
| 9 | GetOptions( |
| 10 | 'no-cvs|n' => \$no_cvs, |
| 11 | 'minor-updates|u' => \$minor_updates, |
| 12 | ) or &usage; |
| 13 | |
| 14 | chdir('patches') if -d 'patches'; |
| 15 | |
| 16 | if (!-f 'verify-patches') { |
| 17 | die <<EOT; |
| 18 | Please run this script from the root of the rsync dir or |
| 19 | from inside the patches subdir. |
| 20 | EOT |
| 21 | } |
| 22 | |
| 23 | $| = 1; |
| 24 | $ENV{'TZ'} = 'UTC'; |
| 25 | my $CONF_OPTS = '-C'; |
| 26 | |
| 27 | my($has_dependencies, @new, @rejects); |
| 28 | |
| 29 | END { |
| 30 | &restore_cvsdir; |
| 31 | system "rsync -a --delete cvsdir/ workdir/" if -d 'cvsdir'; |
| 32 | }; |
| 33 | |
| 34 | my $root; |
| 35 | open(IN, '../CVS/Root') or die $!; |
| 36 | chomp($root = <IN>); |
| 37 | close IN; |
| 38 | |
| 39 | mkdir('tmp', 0777) unless -d 'tmp'; |
| 40 | chdir('tmp') or die "Unable to chdir to 'tmp'"; |
| 41 | |
| 42 | mkdir('workdir') unless -d 'workdir'; |
| 43 | open(OUT, '>exclude') or die $!; |
| 44 | print OUT <<EOT; |
| 45 | CVS |
| 46 | proto.h |
| 47 | configure |
| 48 | config.h.in |
| 49 | rsync.1 |
| 50 | rsyncd.conf.5 |
| 51 | EOT |
| 52 | close OUT; |
| 53 | |
| 54 | unless ($no_cvs) { |
| 55 | print "Using CVS to update the tmp/cvsdir copy of the source.\n"; |
| 56 | system qq|cvs -d "$root" co -d cvsdir rsync|; |
| 57 | } |
| 58 | |
| 59 | @ARGV = glob('../*.diff') unless @ARGV; |
| 60 | |
| 61 | DIFF: |
| 62 | foreach my $diff (@ARGV) { |
| 63 | next unless $diff =~ /\.diff$/; |
| 64 | next if $diff =~ /gzip-rsyncable\.diff$/; |
| 65 | $diff =~ s#^(patches|\.\.)/##; |
| 66 | |
| 67 | open(IN, "../$diff") or die $!; |
| 68 | while (<IN>) { |
| 69 | last if /^--- /; |
| 70 | if (/^Depends-On-Patch: (\S+.diff)$/) { |
| 71 | my $dep = $1; |
| 72 | $has_dependencies = 1; |
| 73 | print "\nApplying dependency patch $dep...\n"; |
| 74 | if (system("patch -d cvsdir -p0 -b -Vt -Zf <../$dep") != 0) { |
| 75 | print "Unable to cleanly apply dependency patch -- skipping $diff\n"; |
| 76 | system "rm -f cvsdir/*.rej cvsdir/*/*.rej"; |
| 77 | &restore_cvsdir; |
| 78 | next DIFF; |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | close IN; |
| 83 | |
| 84 | my $default = apply_patch($diff); |
| 85 | if ($default =~ s/^D,// || $default eq 'N') { |
| 86 | my $def = generate_new_patch($diff); |
| 87 | $default = 'U,N' if $default eq 'N' && $def eq 'E'; |
| 88 | $default = 'N' if !$minor_updates && $default eq 'U,N'; |
| 89 | } |
| 90 | |
| 91 | PROMPT: |
| 92 | while (1) { |
| 93 | print "\n----------- $diff ------------\n", |
| 94 | "\nFix rejects, Diff create, Edit both diffs, Update patch,\n", |
| 95 | "Apply patch again, !(CMD), Build rsync, Next, Quit: [$default] "; |
| 96 | my $ans = <STDIN>; |
| 97 | chomp $ans; |
| 98 | $ans = $default if $ans eq ''; |
| 99 | while ($ans =~ s/^\s*(!|\w)((?<!!)[^;,]*|[^;]*)[;,]?//) { |
| 100 | my $cmd = "\U$1\E"; |
| 101 | if ($cmd eq '!') { |
| 102 | $cmd = $2 || $ENV{'SHELL'}; |
| 103 | chdir('workdir') or die $!; |
| 104 | system $cmd; |
| 105 | chdir('..') or die $!; |
| 106 | $default = 'D'; |
| 107 | next; |
| 108 | } |
| 109 | if ($cmd eq 'A') { |
| 110 | $default = apply_patch($diff); |
| 111 | next; |
| 112 | } |
| 113 | if ($cmd eq 'B') { |
| 114 | if (!-f 'workdir/Makefile') { |
| 115 | open(IN, '../../Makefile') or die $!; |
| 116 | open(OUT, '>workdir/Makefile') or die $!; |
| 117 | print OUT "srcdir=.\n\n"; |
| 118 | while (<IN>) { |
| 119 | last if /^gen:/; |
| 120 | } |
| 121 | print OUT $_; |
| 122 | while (<IN>) { |
| 123 | last if /^clean:/; |
| 124 | print OUT $_; |
| 125 | } |
| 126 | close IN; |
| 127 | close OUT; |
| 128 | } |
| 129 | my $need_autoconf; |
| 130 | my $conf_opts; |
| 131 | open(IN, "../$diff") or die $!; |
| 132 | while (<IN>) { |
| 133 | if (!defined $conf_opts) { |
| 134 | $conf_opts = '' if /^---/; |
| 135 | if (m#^\s*\./configure( .+)#) { |
| 136 | $conf_opts = $1; |
| 137 | } |
| 138 | } |
| 139 | if (m#^--- orig/(configure\.in|/aclocal\.m4)#) { |
| 140 | $need_autoconf = 1; |
| 141 | last; |
| 142 | } |
| 143 | } |
| 144 | close IN; |
| 145 | chdir('workdir') or die $!; |
| 146 | system "autoconf; autoheader" if $need_autoconf; |
| 147 | system "make proto; ./configure $CONF_OPTS $conf_opts; make"; |
| 148 | chdir('..') or die $!; |
| 149 | $default = '!make test'; |
| 150 | next; |
| 151 | } |
| 152 | if ($cmd eq 'D') { |
| 153 | $default = generate_new_patch($diff); |
| 154 | next; |
| 155 | } |
| 156 | if ($cmd eq 'E') { |
| 157 | chdir('workdir') or die $!; |
| 158 | system "vim -d ../../$diff ../new.patch"; |
| 159 | chdir('..') or die $!; |
| 160 | $default = 'U,A,D'; |
| 161 | next; |
| 162 | } |
| 163 | if ($cmd eq 'F') { |
| 164 | chdir('workdir') or die $!; |
| 165 | system "vim @rejects"; |
| 166 | chdir('..') or die $!; |
| 167 | $default = 'D,E'; |
| 168 | next; |
| 169 | } |
| 170 | if ($cmd eq 'N') { |
| 171 | last PROMPT; |
| 172 | } |
| 173 | if ($cmd eq 'Q') { |
| 174 | exit; |
| 175 | } |
| 176 | if ($cmd eq 'U') { |
| 177 | system "cp -p new.patch ../$diff"; |
| 178 | print "\nUpdated $diff from new.patch\n"; |
| 179 | $default = 'A'; |
| 180 | next; |
| 181 | } |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | &restore_cvsdir; |
| 186 | } |
| 187 | |
| 188 | exit; |
| 189 | |
| 190 | |
| 191 | sub apply_patch |
| 192 | { |
| 193 | my($diff) = @_; |
| 194 | |
| 195 | undef @new; |
| 196 | system "rsync -a --delete --exclude='*~' cvsdir/ workdir/"; |
| 197 | print "\nApplying patch $diff...\n"; |
| 198 | undef @rejects; |
| 199 | my($saw_failure, $saw_offset, $saw_fuzz); |
| 200 | open(IN, "patch -d workdir -p0 --no-backup-if-mismatch -Zf <../$diff |") or die $!; |
| 201 | while (<IN>) { |
| 202 | print $_; |
| 203 | chomp; |
| 204 | if (s/^patching file //) { |
| 205 | push(@new, $_) unless -f "cvsdir/$_"; |
| 206 | } elsif (s/.* saving rejects to file //) { |
| 207 | push(@rejects, $_); |
| 208 | } elsif (/^Hunk #\d+ FAILED/) { |
| 209 | $saw_failure = 1; |
| 210 | } elsif (/^Hunk #\d+ succeeded at \d+( with fuzz )?/) { |
| 211 | $saw_fuzz ||= defined $1; |
| 212 | $saw_offset = 1; |
| 213 | } |
| 214 | } |
| 215 | close IN; |
| 216 | return 'F,D,E' if $saw_failure; |
| 217 | return 'D,E' if $saw_fuzz; |
| 218 | return 'D,U,N' if $saw_offset; |
| 219 | 'N'; |
| 220 | } |
| 221 | |
| 222 | sub generate_new_patch |
| 223 | { |
| 224 | my($diff) = @_; |
| 225 | |
| 226 | foreach (@new) { |
| 227 | system "touch -r workdir/$_ cvsdir/$_"; |
| 228 | } |
| 229 | open(IN, "../$diff") or die $!; |
| 230 | open(OUT, '>new.patch') or die $!; |
| 231 | while (<IN>) { |
| 232 | last if /^--- /; |
| 233 | print OUT $_; |
| 234 | } |
| 235 | close IN; |
| 236 | open(IN, 'diff --exclude-from=exclude -upr cvsdir workdir |') or die $!; |
| 237 | while (<IN>) { |
| 238 | next if /^(diff -|Index: |Only in )/; |
| 239 | s#^\Q--- cvsdir/\E#--- orig/#; |
| 240 | s#^\Q+++ workdir/\E#+++ #; |
| 241 | s#(\.000000000)? \+0000$##; |
| 242 | print OUT $_; |
| 243 | } |
| 244 | close IN; |
| 245 | close OUT; |
| 246 | foreach (@new) { |
| 247 | unlink("cvsdir/$_"); |
| 248 | } |
| 249 | print "\nDiffing... "; |
| 250 | if (system("diff ../$diff new.patch >/dev/null") == 0) { |
| 251 | print "new patch is identical to old.\n"; |
| 252 | return 'N'; |
| 253 | } |
| 254 | print "New patch DIFFERS from old.\n"; |
| 255 | 'E'; |
| 256 | } |
| 257 | |
| 258 | sub restore_cvsdir |
| 259 | { |
| 260 | return unless $has_dependencies; |
| 261 | $has_dependencies = 0; |
| 262 | |
| 263 | foreach (glob('*.~[1-9]~'), glob('*/*.~[1-9]~')) { |
| 264 | my $fn; |
| 265 | ($fn = $_) =~ s/\.~1~$//; |
| 266 | if ($fn eq $_) { |
| 267 | unlink($_); |
| 268 | } elsif (-r $fn) { |
| 269 | rename($_, $fn); |
| 270 | } else { |
| 271 | unlink($_); |
| 272 | unlink($fn); |
| 273 | } |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | sub usage |
| 278 | { |
| 279 | die <<EOT; |
| 280 | Usage: $0 [OPTS] [DIFF-FILE...] |
| 281 | -n, --no-cvs Don't update tmp/cvsdir at the start of the run |
| 282 | -u, --minor-updates Suggest 'U' for even minor changes in the diff |
| 283 | EOT |
| 284 | } |