Files
epics-base/config/tools/installEpics.pl
2002-07-12 21:35:43 +00:00

119 lines
3.1 KiB
Perl
Executable File

#!/usr/bin/perl
#*************************************************************************
# Copyright (c) 2002 The University of Chicago, as Operator of Argonne
# National Laboratory.
# Copyright (c) 2002 The Regents of the University of California, as
# Operator of Los Alamos National Laboratory.
# EPICS BASE Versions 3.13.7
# and higher are distributed subject to a Software License Agreement found
# in file LICENSE that is included with this distribution.
#*************************************************************************
#
# InstallEpics.pl
#
# InstallEpics is used within makefiles to copy new versions of
# files into a destination directory.
# Based on installEpics shell script.
#
# 2-4-97 -kuk-
#
##########################################################
use Getopt::Std;
use File::Path;
use File::Copy;
$tool=$0;
$tool=~ s'.*[/\\].+''; # basename
$mode=0755;
# get command line options
getopt "m";
$mode = oct ($opt_m) if ($opt_m);
# Complain about obsolete options:
Usage("unknown option given") if ($opt_g or $opt_o or $opt_c or $opt_s);
$num_files = $#ARGV;
# at least two args required
Usage ("Nothing to install") if ($num_files < 1);
# split args in file1 ... fileN target_dir:
@files=@ARGV[0..$num_files-1];
$install_dir=$ARGV[$num_files];
$install_dir =~ s[\\][/]g; # maybe fix DOS-style path
$install_dir =~ s[/$][]; # remove trailing '/'
$install_dir =~ s[//][/]g; # replace '//' by '/'
# Do we have to create the directory?
unless ( (-d $install_dir) || (-l $install_dir) )
{
# Create dir only if -d option given
Usage ("$install_dir does not exist") unless ($opt_d);
# Create all the subdirs that lead to $install_dir
mkpath ($install_dir, 1, 0777);
}
foreach $source ( @files )
{
Usage ("Can't find file '$source'") unless -f $source;
$basename=$source;
$basename=~s'.*[/\\]'';
$target = "$install_dir/$basename";
# The Win32 filesystem seems to be 'slow',
# i.e. $target may look like 'up to date'
# unless you wait an hour.
# -> skip this test on WIN32 ?
#if (-f $target and $^O ne "MSWin32")
if (-f $target)
{
if (-M $target < -M $source and
-C $target < -C $source)
{
print "$target is up to date\n";
next;
}
else
{
# remove old target, make sure it is deletable:
chmod 0777, $target;
unlink $target;
}
}
# print "Installing $source into $install_dir\n";
copy ($source, $target) or die "Copy failed";
# chmod 0555 <read-only> DOES work on WIN32, but:
# Another chmod 0777 to make it write- and deletable
# will then fail.
# -> you have to use Win32::SetFileAttributes
# to get rid of those files from within Perl.
# Because the chmod is not really needed on WIN32,
# just skip it!
chmod $mode, $target unless ($^O eq "MSWin32");
}
sub Usage
{
my ($txt) = @_;
print "Usage:\n";
print "\t$tool [ -m mode ] file ... directory\n";
print "\n";
print "\t-d Create non-exising directories\n";
print "\t-m mode Set the mode for the installed file";
print " (0755 by default)\n";
print "\tfile Name of file\n";
print "\tdirectory Destination directory\n";
print "$txt\n" if $txt;
exit 2;
}
# EOF installEpics.pl