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#!/usr/bin/env perl |
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# This file is part of Koha. |
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# |
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# Koha is free software; you can redistribute it and/or modify it under the |
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# terms of the GNU General Public License as published by the Free Software |
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# Foundation; either version 2 of the License, or (at your option) any later |
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# version. |
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# |
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# Koha is distributed in the hope that it will be useful, but WITHOUT ANY |
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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# A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License along with |
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# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place, |
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# Suite 330, Boston, MA 02111-1307 USA |
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# |
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use strict; |
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use ExtUtils::MakeMaker::Config; |
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use Tie::File; |
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my $basedir = (shift); |
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my $DEBUG = exists $ENV{'DEBUG'} ? $ENV{'DEBUG'} : 0; |
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$DEBUG = 1 if $basedir eq 'test'; |
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my $bindir = $Config{installbin}; |
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$bindir =~ s!\\!/!g; # make all directory separators uniform since Win32 does not care and *nix does... |
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my $shebang = "#!$bindir\/perl"; |
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warn "Perl binary located in $bindir on this system.\n" if $DEBUG; |
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warn "The shebang line for this sytems should be $shebang\n\n" if $DEBUG; |
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die if $basedir eq 'test'; |
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=head1 NAME |
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fix-perl-path.PL - A script to correct the shebang line to match the current platform |
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=head1 SYNOPSIS |
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=head2 BASIC USAGE |
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perl fix-perl-path.PL /absolute/path/to/foo |
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=head1 DESCRIPTION |
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This script should be run from the base of the directory |
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structure which contains the file(s) that need the |
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shebang line corrected. It will recurse through all |
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directories below the one called from and modify all |
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.pl files. |
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=head2 fixshebang |
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This sub will recurse through a given directory and its subdirectories checking for the existence of a shebang |
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line in .pl files and replacing it with the correct line for the current OS if needed. It should be called |
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in a manner similar to 'fixshebang (foodir)' but may be supplied with any directory. |
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=cut |
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sub fixshebang{ |
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my $dir = shift; |
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opendir my $dh, $dir or die $!; |
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warn "Reading $dir contents.\n" if $DEBUG; |
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while( my $file = readdir($dh) ) { |
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# this may be used to exclude any desired files from the scan |
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# if ( $file =~ /foo/ ) { next; } |
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# handle files... other extensions could be substituted/added if needed |
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if ( $file =~ /\.pl$/ ) { |
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my @filearray; |
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my $pathfile =$dir . '/' . $file; |
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warn "Found a perl script named $pathfile\n" if $DEBUG; |
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# At this point, file is in 'blib' and by default |
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# has mode a-w. Therefore, must change permission |
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# to make it writable. Note that stat and chmod |
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# (the Perl functions) should work on Win32 |
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my $old_perm; |
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$old_perm = (stat $pathfile)[2] & 07777; |
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my $new_perm = $old_perm | 0200; |
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chmod $new_perm, $pathfile; |
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# tie the file -- note that we're explicitly setting the line (record) |
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# separator to hex 0A (the Unix newline) because that's what |
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# the files copied to blib are using, regardless of whether the install |
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# is under a Unix variant or Windows. |
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tie @filearray, 'Tie::File', $pathfile, recsep => "\x0a" or die $!; |
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warn "First line of $file is $filearray[0]\n\n" if $DEBUG; |
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if ( ( $filearray[0] =~ /#!.*perl/ ) && ( $filearray[0] !~ /$shebang|"$shebang -w"/ ) ) { |
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warn "\n\tRe-writing shebang line for $pathfile\n" if $DEBUG; |
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warn "\tOriginal shebang line: $filearray[0]\n" if $DEBUG; |
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$filearray[0] =~ /-w$/ ? $filearray[0] = "$shebang -w" : $filearray[0] = $shebang; |
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warn "\tNew shebang line is: $filearray[0]\n\n" if $DEBUG; |
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} |
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elsif ( $filearray[0] =~ /$shebang|"$shebang -w"/ ) { |
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warn "\n\tShebang line is correct.\n\n" if $DEBUG; |
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} |
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else { |
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warn "\n\tNo shebang line found in $pathfile\n\n" if $DEBUG; |
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} |
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untie @filearray; |
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chmod $old_perm, $pathfile; |
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} |
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# handle directories |
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elsif ( -d ($dir . '/' . $file) && $file !~ /^\.{1,2}/ ) { |
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my $dirpath = $dir . '/' . $file; |
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warn "Found a subdir named $dirpath\n" if $DEBUG; |
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fixshebang ($dirpath); |
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} |
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} |
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closedir $dh; |
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} |
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fixshebang ($basedir); |
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