package ExtUtils::Install;
-require Exporter;
+$VERSION = substr q$Revision: 1.12 $, 10;
+# $Id: Install.pm,v 1.12 1996/06/23 20:46:07 k Exp $
+
+use Exporter;
+use Carp ();
+use Config ();
+use vars qw(@ISA @EXPORT $VERSION);
@ISA = ('Exporter');
-@EXPORT = ('install','uninstall');
-
-use Carp;
-use Cwd qw(cwd);
-use ExtUtils::MakeMaker; # to implement a MY class
-use File::Basename qw(dirname);
-use File::Copy qw(copy);
-use File::Find qw(find);
-use File::Path qw(mkpath);
+@EXPORT = ('install','uninstall','pm_to_blib');
+$Is_VMS = $^O eq 'VMS';
+
+my $splitchar = $^O eq 'VMS' ? '|' : $^O eq 'os2' ? ';' : ':';
+my @PERL_ENV_LIB = split $splitchar, defined $ENV{'PERL5LIB'} ? $ENV{'PERL5LIB'} : $ENV{'PERLLIB'};
+my $Inc_uninstall_warn_handler;
+
+#use vars qw( @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::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);
+ # The following lines were needed with AutoLoader (left for the record)
+ # my $my_req = $self->catfile(qw(auto ExtUtils Install my_cmp.al));
+ # require $my_req;
+ # $my_req = $self->catfile(qw(auto ExtUtils Install forceunlink.al));
+ # require $my_req; # Hairy, but for the first
+ # time use we are in a different directory when autoload happens, so
+ # the relativ path to ./blib is ill.
+
my(%hash) = %$hash;
- my(%pack, %write,$dir);
+ my(%pack, %write, $dir);
local(*DIR, *P);
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})) {
+ if (-w $hash{$source_dir_or_file} || mkpath($hash{$source_dir_or_file})) {
last;
} else {
- croak("You do not have permissions to install into $hash{$blibdir}");
+ Carp::croak("You do not have permissions to install into $hash{$source_dir_or_file}");
}
}
closedir DIR;
}
if (-f $pack{"read"}) {
- open P, $pack{"read"} or die "Couldn't read $pack{'read'}";
+ open P, $pack{"read"} or Carp::croak("Couldn't read $pack{'read'}");
# Remember what you found
while (<P>) {
chomp;
close P;
}
my $cwd = cwd();
- my $umask = umask 0;
+ my $umask = umask 0 unless $Is_VMS;
# 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 :-)
+ # Charles!)
my $MY = {};
bless $MY, 'MY';
my($source);
return if $_ eq ".exists";
my $targetdir = $MY->catdir($hash{$source},$File::Find::dir);
my $targetfile = $MY->catfile($targetdir,$_);
- my $diff = 0;
+ 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;
+ $diff = my_cmp($_,$targetfile);
} else {
print "$_ 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;
+ }
+
+ 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
}
-
$write{$targetfile}++;
}, ".");
- chdir($cwd) or croak("Couldn't chdir....");
+ chdir($cwd) or Carp::croak("Couldn't chdir to $cwd: $!");
}
- umask $umask;
+ umask $umask unless $Is_VMS;
if ($pack{'write'}) {
$dir = dirname($pack{'write'});
mkpath($dir,0,0755);
print "Writing $pack{'write'}\n";
- open P, ">$pack{'write'}" or croak("Couldn't write $pack{'write'}: $!");
+ open P, ">$pack{'write'}" or Carp::croak("Couldn't write $pack{'write'}: $!");
for (sort keys %write) {
print P "$_\n";
}
}
}
+sub my_cmp {
+ my($one,$two) = @_;
+ local(*F,*T);
+ my $diff = 0;
+ open T, $two or return 1;
+ open F, $one or Carp::croak("Couldn't open $one: $!");
+ my($fr, $tr, $fbuf, $tbuf, $size);
+ $size = 1024;
+ # print "Reading $one\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;
+ $diff;
+}
+
sub uninstall {
my($fil,$verbose,$nonono) = @_;
die "no packlist file found: $fil" unless -f $fil;
+ # my $my_req = $self->catfile(qw(auto ExtUtils Install forceunlink.al));
+ # require $my_req; # Hairy, but for the first
local *P;
- open P, $fil or croak("uninstall: Could not read packlist file $fil: $!");
+ open P, $fil or Carp::croak("uninstall: Could not read packlist file $fil: $!");
while (<P>) {
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 $MY = {};
+ bless $MY, 'MY';
+ my %seen_dir = ();
+ foreach $dir (@INC, @PERL_ENV_LIB, @Config::Config{qw/archlibexp privlibexp sitearchexp sitelibexp/}) {
+ next if $dir eq ".";
+ next if $seen_dir{$dir}++;
+ my($targetfile) = $MY->catfile($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
+ $diff = my_cmp($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|^\./|| ; # 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 pm_to_blib {
+ my($fromto,$autodir) = @_;
+
+ use File::Basename qw(dirname);
+ use File::Copy qw(copy);
+ use File::Path qw(mkpath);
+ use AutoSplit;
+ # my $my_req = $self->catfile(qw(auto ExtUtils Install forceunlink.al));
+ # require $my_req; # Hairy, but for the first
+
+ my $umask = umask 0022 unless $Is_VMS;
+ mkpath($autodir,0,0755);
+ foreach (keys %$fromto) {
+ next if -f $fromto->{$_} && -M $fromto->{$_} < -M $_;
+ unless (my_cmp($_,$fromto->{$_})){
+ print "Skip $fromto->{$_} (unchanged)\n";
+ next;
+ }
+ if (-f $fromto->{$_}){
+ forceunlink($fromto->{$_});
+ } else {
+ mkpath(dirname($fromto->{$_}),0,0755);
+ }
+ copy($_,$fromto->{$_});
+ chmod(0444 | ( (stat)[2] & 0111 ? 0111 : 0 ),$fromto->{$_});
+ print "cp $_ $fromto->{$_}\n";
+ next unless /\.pm$/;
+ autosplit($fromto->{$_},$autodir);
+ }
+ umask $umask unless $Is_VMS;
+}
+
+package ExtUtils::Install::Warn;
+
+sub new { bless {}, shift }
+
+sub add {
+ my($self,$file,$targetfile) = @_;
+ push @{$self->{$file}}, $targetfile;
+}
+
+sub DESTROY {
+ 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 $plural for you.\n";
}
1;
B<uninstall($packlistfile,$verbose,$nonono);>
+B<pm_to_blib($hashref);>
+
=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.
unlinked. The second argument is a verbose switch, the third is a
no-don't-really-do-it-now switch.
-=cut
-
-#=head1 NOTES
-
-#=head1 BUGS
+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.
-#=head1 AUTHORS
+=cut
projects / p5sagit/p5-mst-13.2.git / blobdiff