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|
#!/usr/bin/perl
=head1 NAME
dh_elpa - install emacs lisp packages into package build directories
=cut
use strict;
use Cwd qw{ getcwd };
use File::Temp qw{tempfile};
use IO::Handle;
use Debian::Debhelper::Dh_Lib;
=head1 SYNOPSIS
B<dh_elpa> [S<I<debhelper options>>] [S<I<pkg-file>>]
=head1 DESCRIPTION
B<dh_elpa> is a debhelper program that is responsible for installing
elpa style emacs lisp packages into package build directories.
=head1 FILES
=over 4
=item debian/I<package>.elpa
List of files to be installed into I<package> as an elpa package.
=back
=cut
init(options => {
"byte-compile!" => \$dh{BYTECOMPILE},
});
=head1 OPTIONS
=over 4
=item B<--byte-compile>, B<--no-byte-compile>
Enable (default) or disable byte compilation of installed emacs lisp
files. Disabling byte compilation changes the destination directory
to one that is found by the emacs package system.
=back
=cut
sub doit_quietly {
my ($handle,$tmpfile) = tempfile(UNLINK=>1);
my $exitcode;
verbose_print(escape_shell(@_));
open (CPERR,">&STDERR") or error "$!";
open (CPOUT,">&STDOUT") or error "$!";
STDOUT->fdopen($handle,'w');
STDERR->fdopen($handle,'w');
my $ret=doit_noerror(@_);
STDOUT->fdopen(\*CPOUT,'w');
STDERR->fdopen(\*CPERR,'w');
if (!$ret){
$exitcode=$?;
seek $handle, 0, 0 or error "$!";
print while (<$handle>);
my $command=join(" ",@_);
error("$command returned exit code ".($exitcode >> 8));
}
}
my $templatedir = "/usr/share/debhelper/dh_elpa/emacsen-common";
sub maybe_install_helper{
my ($package,$piece, $mode)=@_;
my $file=pkgfile($package,"emacsen-$piece");
my $tmp=tmpdir($package);
my $ecdest="$tmp/usr/lib/emacsen-common/packages";
# if there is file, leave it for dh_installemacsen
if ($file eq '') {
if (! -d "$ecdest/$piece") {
doit("install","-d","$ecdest/$piece");
}
doit("install","-m$mode","$templatedir/$piece",
"$ecdest/$piece/$package");
}
}
$dh{BYTECOMPILE} = 1 unless defined($dh{BYTECOMPILE});
my $elpadir;
my $dhelpadir="/usr/share/emacs/site-lisp/elpa";
# TODO: do we really need a seperate elpa-src hierarchy?
if ($dh{BYTECOMPILE}) {
$elpadir="/usr/share/emacs/site-lisp/elpa-src";
} else {
$elpadir=$dhelpadir;
}
foreach my $package (@{$dh{DOPACKAGES}}) {
my $tmp=tmpdir($package);
my $file=pkgfile($package,"elpa");
if ($dh{BYTECOMPILE}) {
maybe_install_helper($package,'compat','0644');
maybe_install_helper($package,'install','0755');
maybe_install_helper($package,'remove','0755');
if (! $dh{NOSCRIPTS}) {
autoscript($package,"postinst","postinst-emacsen",
"s/#PACKAGE#/$package/");
autoscript($package,"prerm","prerm-emacsen",
"s/#PACKAGE#/$package/");
}
}
my $elpapkg=$package;
# TODO do this more sanely or at least allow an override
$elpapkg =~ s/^elpa-//;
verbose_print("Using elpa package name $elpapkg");
my @files;
# Call isnative because it sets $dh{VERSION}
# as a side effect.
isnative($package);
if ($file) {
@files=filearray($file, ".");
scalar(@files) == 1 || grep { m/\b${elpapkg}-pkg.el$/ } @files or
error "missing ${elpapkg}-pkg.el";
}
if (($package eq $dh{FIRSTPACKAGE} || $dh{PARAMS_ALL})
&& @ARGV) {
push @files, @ARGV;
}
my $pkg_file;
if (scalar(@files) == 1) {
$pkg_file=$files[0];
} else {
my $cwd = getcwd();
my $tempdir = "${cwd}/debian/.debhelper/elpa";
{
require File::Path;
File::Path::rmtree $tempdir ||
error "cleaning $tempdir";
File::Path::make_path $tempdir ||
error "creating $tempdir";
}
my $version = $dh{VERSION} or error "version not found!";
$version =~ s/-[^-]+//; # strip Debian version
my $pkg_dir = "$elpapkg-$version";
$pkg_file = "$tempdir/$pkg_dir.tar";
mkdir "$tempdir/$pkg_dir" or error "$!";
# copy files into tempdir, flattening hierarchy
# TODO: do this more correctly
foreach my $el_file (@files) {
doit("cp", "-a", $el_file, "$tempdir/$pkg_dir");
}
chdir $tempdir or die "$!";
doit("tar","cf",$pkg_file,$pkg_dir);
chdir $cwd or die "$!";
}
doit_quietly(qw{emacs -batch -Q -l package},
'--eval',"(add-to-list 'package-directory-list \"$dhelpadir\")",
'--eval',"(add-to-list 'package-directory-list \"$elpadir\")",
qw{-f package-initialize -l dh-elpa.el},
qw{-f dhelpa-batch-install-file}, "$tmp/$elpadir", $pkg_file);
}
=head1 EXAMPLES
Here is an example of using the helper in a dh(1) style debian/rules
=over 4
override_dh_install:
dh_install
dh_elpa
=back
=cut
|
