121 lines
2.7 KiB
Perl
Executable File
121 lines
2.7 KiB
Perl
Executable File
#!/usr/bin/perl
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# a simple makedepends like script for perl.
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# I plan to rewrite this in C so that perl is not required by RPM at
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# build time.
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# by Ken Estes Mail.com kestes@staff.mail.com
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# it would be much better if perl could tell us the dependencies of a
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# given script.
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if ("@ARGV") {
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foreach (@ARGV) {
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process_file($_);
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}
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} else {
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# notice we are passed a list of filenames NOT as common in unix the
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# contents of the file.
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foreach (<>) {
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process_file($_);
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}
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}
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foreach $module (sort keys %require) {
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if (length($require{$module}) == 0) {
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print "perl($module)\n";
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} else {
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print "perl($module)>=$require{$module}\n";
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# we need to print it without the version number until the
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# requires syntax accepts version numbers correctly.
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print "perl($module)\n";
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}
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}
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exit 0;
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sub process_file {
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my ($file) = @_;
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chomp $file;
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open(FILE, "<$file")||
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die("Could not open file: '$file' : $!\n");
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while (<FILE>) {
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# skip the documentation
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if ( (m/^=(head1|head2|pod)/) .. (m/^=(cut)/) ) {
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next;
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}
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# skip the data section
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if (m/^__(DATA|END)__$/) {
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last;
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}
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if (
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# ouch could be in a eval, perhaps we do not want these since we catch
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# an exception they must not be required
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# eval { require Term::ReadLine } or die $@;
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# eval "require Term::Rendezvous;" or die $@;
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# eval { require Carp } if defined $^S; # If error/warning during compilation,
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(m/^\s* # we hope the inclusion starts the line
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(do|require|use)\s+(?!\{) # do not want 'do {' loops
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# quotes around name are always legal
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[\'\"]?([^\;\ \'\"\t]*)[\'\"]?[\t\;\ ]
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# the syntax for 'use' allows version requirements
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\s*([.0-9]*)
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/x)
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) {
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my ($module, $version) = ($2,$3);
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# if there is some interpolation of variables just skip this
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# dependency, we do not want
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# do "$ENV{LOGDIR}/$rcfile";
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($module =~ m/\$/) && next;
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# if the module ends in a comma we probaly caught some
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# documentation of the form 'check stuff,\n do stuff, clean
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# stuff.' there are several of these in the perl distribution
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($module =~ m/[,>]$/) && next;
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# ph files do not use the package name inside the file.
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# perlmodlib documentation says:
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# the .ph files made by h2ph will probably end up as
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# extension modules made by h2xs.
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# so do not expend much effort on these.
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# there is no easy way to find out if a file named systeminfo.ph
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# will be included with the name sys/systeminfo.ph so only use the
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# basename of *.ph files
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($module =~ m/\.ph$/) && ($module =~ s!.*/!!g );
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$require{$module}=$version;
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$line{$module}=$_;
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}
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}
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}
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