X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FExtUtils%2FInstall.pm;h=c1168f20a7df91044d040a1cf8f63091e38b31ee;hb=e567eb179f8c37fa2e2a16e90180982901849683;hp=84641c0137419d6e04bd84fa4a6a9c5ef053981f;hpb=4b6d56d3c2df1ca91177c12756890de5ad9387fd;p=p5sagit%2Fp5-mst-13.2.git diff --git a/lib/ExtUtils/Install.pm b/lib/ExtUtils/Install.pm index 84641c0..c1168f2 100644 --- a/lib/ExtUtils/Install.pm +++ b/lib/ExtUtils/Install.pm @@ -1,63 +1,97 @@ package ExtUtils::Install; -require Exporter; +use 5.006_001; +our(@ISA, @EXPORT, $VERSION); +$VERSION = 1.29; + +use Exporter; +use Carp (); +use Config qw(%Config); @ISA = ('Exporter'); -@EXPORT = ('install','uninstall'); - -use Carp; -use Cwd qw(cwd); -use ExtUtils::MakeMaker; # to implement a MY class -use File::Basename qw(dirname); -use File::Copy qw(copy); -use File::Find qw(find); -use File::Path qw(mkpath); +@EXPORT = ('install','uninstall','pm_to_blib', 'install_default'); +$Is_VMS = $^O eq 'VMS'; + +my $splitchar = $^O eq 'VMS' ? '|' : ($^O eq 'os2' || $^O eq 'dos') ? ';' : ':'; +my @PERL_ENV_LIB = split $splitchar, defined $ENV{'PERL5LIB'} ? $ENV{'PERL5LIB'} : $ENV{'PERLLIB'} || ''; +my $Inc_uninstall_warn_handler; + +# install relative to here + +my $INSTALL_ROOT = $ENV{PERL_INSTALL_ROOT}; + +use File::Spec; + +sub install_rooted_file { + if (defined $INSTALL_ROOT) { + File::Spec->catfile($INSTALL_ROOT, $_[0]); + } else { + $_[0]; + } +} + +sub install_rooted_dir { + if (defined $INSTALL_ROOT) { + File::Spec->catdir($INSTALL_ROOT, $_[0]); + } else { + $_[0]; + } +} + +#our(@EXPORT, @ISA, $Is_VMS); #use strict; +sub forceunlink { + chmod 0666, $_[0]; + unlink $_[0] or Carp::croak("Cannot forceunlink $_[0]: $!") +} + sub install { - my($hash,$verbose,$nonono) = @_; + my($hash,$verbose,$nonono,$inc_uninstall) = @_; $verbose ||= 0; $nonono ||= 0; + + use Cwd qw(cwd); + use ExtUtils::Packlist; + use File::Basename qw(dirname); + use File::Copy qw(copy); + use File::Find qw(find); + use File::Path qw(mkpath); + use File::Compare qw(compare); + use File::Spec; + my(%hash) = %$hash; - my(%pack, %write,$dir); - local(*DIR, *P); + my(%pack, $dir, $warn_permissions); + my($packlist) = ExtUtils::Packlist->new(); + # -w doesn't work reliably on FAT dirs + $warn_permissions++ if $^O eq 'MSWin32'; + local(*DIR); for (qw/read write/) { $pack{$_}=$hash{$_}; delete $hash{$_}; } - my($blibdir); - foreach $blibdir (sort keys %hash) { + my($source_dir_or_file); + foreach $source_dir_or_file (sort keys %hash) { #Check if there are files, and if yes, look if the corresponding #target directory is writable for us - opendir DIR, $blibdir or next; - while ($_ = readdir DIR) { + opendir DIR, $source_dir_or_file or next; + for (readdir DIR) { next if $_ eq "." || $_ eq ".." || $_ eq ".exists"; - if (-w $hash{$blibdir} || mkpath($hash{$blibdir})) { + my $targetdir = install_rooted_dir($hash{$source_dir_or_file}); + if (-w $targetdir || + mkpath($targetdir)) { last; } else { - croak("You do not have permissions to install into $hash{$blibdir}"); + warn "Warning: You do not have permissions to " . + "install into $hash{$source_dir_or_file}" + unless $warn_permissions++; } } closedir DIR; } - if (-f $pack{"read"}) { - open P, $pack{"read"} or die "Couldn't read $pack{'read'}"; - # Remember what you found - while (

) { - chomp; - $write{$_}++; - } - close P; - } + my $tmpfile = install_rooted_file($pack{"read"}); + $packlist->read($tmpfile) if (-f $tmpfile); my $cwd = cwd(); - my $umask = umask 0; - - # This silly reference is just here to be able to call MY->catdir - # without a warning (Waiting for a proper path/directory module, - # Charles!) The catdir and catfile calls leave us with a lot of - # paths containing ././, but I don't want to use regexes on paths - # anymore to delete them :-) - my $MY = {}; - bless $MY, 'MY'; + my($source); MOD_INSTALL: foreach $source (sort keys %hash) { #copy the tree to the target directory without altering @@ -65,87 +99,263 @@ sub install { #file. The packlist file contains the absolute paths of the #install locations. AFS users may call this a bug. We'll have #to reconsider how to add the means to satisfy AFS users also. + + #October 1997: we want to install .pm files into archlib if + #there are any files in arch. So we depend on having ./blib/arch + #hardcoded here. + + my $targetroot = install_rooted_dir($hash{$source}); + + if ($source eq "blib/lib" and + exists $hash{"blib/arch"} and + directory_not_empty("blib/arch")) { + $targetroot = install_rooted_dir($hash{"blib/arch"}); + print "Files found in blib/arch: installing files in blib/lib into architecture dependent library tree\n"; + } chdir($source) or next; find(sub { my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size, $atime,$mtime,$ctime,$blksize,$blocks) = stat; return unless -f _; return if $_ eq ".exists"; - my $targetdir = $MY->catdir($hash{$source},$File::Find::dir); - my $targetfile = $MY->catfile($targetdir,$_); - my $diff = 0; + my $targetdir = File::Spec->catdir($targetroot, $File::Find::dir); + my $targetfile = File::Spec->catfile($targetdir, $_); + my $diff = 0; if ( -f $targetfile && -s _ == $size) { # We have a good chance, we can skip this one - local(*F,*T); - open F, $_ or croak("Couldn't open $_: $!"); - open T, $targetfile or croak("Couldn't open $targetfile: $!"); - my($fr, $tr, $fbuf,$tbuf,$size); - $size = 1024; - # print "Reading $_\n"; - while ( $fr = read(F,$fbuf,$size)) { - unless ( - $tr = read(T,$tbuf,$size) and - $tbuf eq $fbuf - ){ - # print "diff "; - $diff++; - last; - } - # print "$fr/$tr "; - } - # print "\n"; - close F; - close T; + $diff = compare($_,$targetfile); } else { print "$_ differs\n" if $verbose>1; $diff++; } if ($diff){ - mkpath($targetdir,0,0755) unless $nonono; - print "mkpath($targetdir,0,0755)\n" if $verbose>1; - unlink $targetfile if -f $targetfile; + if (-f $targetfile){ + forceunlink($targetfile) unless $nonono; + } else { + mkpath($targetdir,0,0755) unless $nonono; + print "mkpath($targetdir,0,0755)\n" if $verbose>1; + } copy($_,$targetfile) unless $nonono; - print "Installing $targetfile\n" if $verbose; - utime($atime,$mtime,$targetfile) unless $nonono>1; + print "Installing $targetfile\n"; + utime($atime,$mtime + $Is_VMS,$targetfile) unless $nonono>1; print "utime($atime,$mtime,$targetfile)\n" if $verbose>1; + $mode = 0444 | ( $mode & 0111 ? 0111 : 0 ); chmod $mode, $targetfile; print "chmod($mode, $targetfile)\n" if $verbose>1; } else { - print "Skipping $targetfile (unchanged)\n"; + print "Skipping $targetfile (unchanged)\n" if $verbose; } - - $write{$targetfile}++; + + if (! defined $inc_uninstall) { # it's called + } elsif ($inc_uninstall == 0){ + inc_uninstall($_,$File::Find::dir,$verbose,1); # nonono set to 1 + } else { + inc_uninstall($_,$File::Find::dir,$verbose,0); # nonono set to 0 + } + # Record the full pathname. + $packlist->{$targetfile}++; }, "."); - chdir($cwd) or croak("Couldn't chdir...."); + chdir($cwd) or Carp::croak("Couldn't chdir to $cwd: $!"); } - umask $umask; if ($pack{'write'}) { - $dir = dirname($pack{'write'}); + $dir = install_rooted_dir(dirname($pack{'write'})); mkpath($dir,0,0755); print "Writing $pack{'write'}\n"; - open P, ">$pack{'write'}" or croak("Couldn't write $pack{'write'}: $!"); - for (sort keys %write) { - print P "$_\n"; - } - close P; + $packlist->write(install_rooted_file($pack{'write'})); } } +sub directory_not_empty ($) { + my($dir) = @_; + my $files = 0; + find(sub { + return if $_ eq ".exists"; + if (-f) { + $File::Find::prune++; + $files = 1; + } + }, $dir); + return $files; +} + +sub install_default { + @_ < 2 or die "install_default should be called with 0 or 1 argument"; + my $FULLEXT = @_ ? shift : $ARGV[0]; + defined $FULLEXT or die "Do not know to where to write install log"; + my $INST_LIB = File::Spec->catdir(File::Spec->curdir,"blib","lib"); + my $INST_ARCHLIB = File::Spec->catdir(File::Spec->curdir,"blib","arch"); + my $INST_BIN = File::Spec->catdir(File::Spec->curdir,'blib','bin'); + my $INST_SCRIPT = File::Spec->catdir(File::Spec->curdir,'blib','script'); + my $INST_MAN1DIR = File::Spec->catdir(File::Spec->curdir,'blib','man1'); + my $INST_MAN3DIR = File::Spec->catdir(File::Spec->curdir,'blib','man3'); + install({ + read => "$Config{sitearchexp}/auto/$FULLEXT/.packlist", + write => "$Config{installsitearch}/auto/$FULLEXT/.packlist", + $INST_LIB => (directory_not_empty($INST_ARCHLIB)) ? + $Config{installsitearch} : + $Config{installsitelib}, + $INST_ARCHLIB => $Config{installsitearch}, + $INST_BIN => $Config{installbin} , + $INST_SCRIPT => $Config{installscript}, + $INST_MAN1DIR => $Config{installman1dir}, + $INST_MAN3DIR => $Config{installman3dir}, + },1,0,0); +} + sub uninstall { + use ExtUtils::Packlist; my($fil,$verbose,$nonono) = @_; die "no packlist file found: $fil" unless -f $fil; - local *P; - open P, $fil or croak("uninstall: Could not read packlist file $fil: $!"); - while (

) { + # my $my_req = $self->catfile(qw(auto ExtUtils Install forceunlink.al)); + # require $my_req; # Hairy, but for the first + my ($packlist) = ExtUtils::Packlist->new($fil); + foreach (sort(keys(%$packlist))) { chomp; print "unlink $_\n" if $verbose; - unlink($_) || carp("Couldn't unlink $_") unless $nonono; + forceunlink($_) unless $nonono; } print "unlink $fil\n" if $verbose; - unlink($fil) || carp("Couldn't unlink $fil") unless $nonono; + forceunlink($fil) unless $nonono; +} + +sub inc_uninstall { + my($file,$libdir,$verbose,$nonono) = @_; + my($dir); + my %seen_dir = (); + foreach $dir (@INC, @PERL_ENV_LIB, @Config{qw(archlibexp + privlibexp + sitearchexp + sitelibexp)}) { + next if $dir eq "."; + next if $seen_dir{$dir}++; + my($targetfile) = File::Spec->catfile($dir,$libdir,$file); + next unless -f $targetfile; + + # The reason why we compare file's contents is, that we cannot + # know, which is the file we just installed (AFS). So we leave + # an identical file in place + my $diff = 0; + if ( -f $targetfile && -s _ == -s $file) { + # We have a good chance, we can skip this one + $diff = compare($file,$targetfile); + } else { + print "#$file and $targetfile differ\n" if $verbose>1; + $diff++; + } + + next unless $diff; + if ($nonono) { + if ($verbose) { + $Inc_uninstall_warn_handler ||= new ExtUtils::Install::Warn; + $libdir =~ s|^\./||s ; # That's just cosmetics, no need to port. It looks prettier. + $Inc_uninstall_warn_handler->add("$libdir/$file",$targetfile); + } + # if not verbose, we just say nothing + } else { + print "Unlinking $targetfile (shadowing?)\n"; + forceunlink($targetfile); + } + } +} + +sub run_filter { + my ($cmd, $src, $dest) = @_; + open(my $CMD, "|$cmd >$dest") || die "Cannot fork: $!"; + open(my $SRC, $src) || die "Cannot open $src: $!"; + my $buf; + my $sz = 1024; + while (my $len = sysread($SRC, $buf, $sz)) { + syswrite($CMD, $buf, $len); + } + close $SRC; + close $CMD or die "Filter command '$cmd' failed for $src"; +} + +sub pm_to_blib { + my($fromto,$autodir,$pm_filter) = @_; + + use File::Basename qw(dirname); + use File::Copy qw(copy); + use File::Path qw(mkpath); + use File::Compare qw(compare); + use AutoSplit; + # my $my_req = $self->catfile(qw(auto ExtUtils Install forceunlink.al)); + # require $my_req; # Hairy, but for the first + + if (!ref($fromto) && -r $fromto) + { + # Win32 has severe command line length limitations, but + # can generate temporary files on-the-fly + # so we pass name of file here - eval it to get hash + open(FROMTO,"<$fromto") or die "Cannot open $fromto:$!"; + my $str = '$fromto = {qw{'.join('',).'}}'; + eval $str; + close(FROMTO); + } + + mkpath($autodir,0,0755); + foreach (keys %$fromto) { + my $dest = $fromto->{$_}; + next if -f $dest && -M $dest < -M $_; + + # When a pm_filter is defined, we need to pre-process the source first + # to determine whether it has changed or not. Therefore, only perform + # the comparison check when there's no filter to be ran. + # -- RAM, 03/01/2001 + + my $need_filtering = defined $pm_filter && length $pm_filter && /\.pm$/; + + if (!$need_filtering && 0 == compare($_,$dest)) { + print "Skip $dest (unchanged)\n"; + next; + } + if (-f $dest){ + forceunlink($dest); + } else { + mkpath(dirname($dest),0,0755); + } + if ($need_filtering) { + run_filter($pm_filter, $_, $dest); + print "$pm_filter <$_ >$dest\n"; + } else { + copy($_,$dest); + print "cp $_ $dest\n"; + } + my($mode,$atime,$mtime) = (stat)[2,8,9]; + utime($atime,$mtime+$Is_VMS,$dest); + chmod(0444 | ( $mode & 0111 ? 0111 : 0 ),$dest); + next unless /\.pm$/; + autosplit($dest,$autodir); + } +} + +package ExtUtils::Install::Warn; + +sub new { bless {}, shift } + +sub add { + my($self,$file,$targetfile) = @_; + push @{$self->{$file}}, $targetfile; +} + +sub DESTROY { + unless(defined $INSTALL_ROOT) { + my $self = shift; + my($file,$i,$plural); + foreach $file (sort keys %$self) { + $plural = @{$self->{$file}} > 1 ? "s" : ""; + print "## Differing version$plural of $file found. You might like to\n"; + for (0..$#{$self->{$file}}) { + print "rm ", $self->{$file}[$_], "\n"; + $i++; + } + } + $plural = $i>1 ? "all those files" : "this file"; + print "## Running 'make install UNINST=1' will unlink $plural for you.\n"; + } } 1; @@ -164,9 +374,11 @@ B B +B + =head1 DESCRIPTION -Both functions, install() and uninstall() are specific to the way +Both install() and uninstall() are specific to the way ExtUtils::MakeMaker handles the installation and deinstallation of perl modules. They are not designed as general purpose tools. @@ -179,21 +391,38 @@ be copied preserving timestamps and permissions. There are two keys with a special meaning in the hash: "read" and "write". After the copying is done, install will write the list of -target files to the file named by $hashref->{write}. If there is -another file named by $hashref->{read}, the contents of this file will +target files to the file named by C<$hashref-E{write}>. If there is +another file named by C<$hashref-E{read}>, the contents of this file will be merged into the written file. The read and the written file may be -identical, but on AFS it is quite likely, people are installing to a +identical, but on AFS it is quite likely that people are installing to a different directory than the one where the files later appear. +install_default() takes one or less arguments. If no arguments are +specified, it takes $ARGV[0] as if it was specified as an argument. +The argument is the value of MakeMaker's C key, like F. +This function calls install() with the same arguments as the defaults +the MakeMaker would use. + +The argument-less form is convenient for install scripts like + + perl -MExtUtils::Install -e install_default Tk/Canvas + +Assuming this command is executed in a directory with a populated F +directory, it will proceed as if the F was build by MakeMaker on +this machine. This is useful for binary distributions. + uninstall() takes as first argument a file containing filenames to be unlinked. The second argument is a verbose switch, the third is a no-don't-really-do-it-now switch. -=cut - -#=head1 NOTES +pm_to_blib() takes a hashref as the first argument and copies all keys +of the hash to the corresponding values efficiently. Filenames with +the extension pm are autosplit. Second argument is the autosplit +directory. If third argument is not empty, it is taken as a filter command +to be ran on each .pm file, the output of the command being what is finally +copied, and the source for auto-splitting. -#=head1 BUGS - -#=head1 AUTHORS +You can have an environment variable PERL_INSTALL_ROOT set which will +be prepended as a directory to each installed file (and directory). +=cut