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package Debian::Debhelper::Buildsystem::leiningen;
=head1 NAME
leiningen -- debhelper build system class for Clojure packages
=head1 DESCRIPTION
See L<dh-clojure-lein(7)> for additional information.
=head1 SEE ALSO
L<dh-clojure-lein(7)>, L<dh(1)>, and L<lein(1)>
=cut
use Cwd;
use File::Path qw(remove_tree);
use strict;
use warnings;
use parent qw(Debian::Debhelper::Buildsystem);
use Debian::Debhelper::Dh_Lib;
sub DESCRIPTION {
'Leiningen'
}
sub DEFAULT_BUILD_DIRECTORY {
'target'
}
sub check_auto_buildable {
my $this = shift;
return $this->get_sourcepath('project.clj') ? 0 : 1;
}
my $lein = '/usr/bin/lein';
my $reltmp = 'debian/dh-clojure/tmp';
my $abstmp = getcwd . '/debian/dh-clojure/tmp';
my $local_repo = "$abstmp/maven-repo";
sub new {
my $class = shift;
my $this = $class->SUPER::new(@_);
# key project attributes
$this->{name} = $this->_get_project('name');
$this->{version} = $this->_get_project('version');
# path to jar artifacts
$this->{artifact} = "target/$this->{name}-$this->{version}.jar";
$this->{test_artifact} = "target/test/$this->{name}-$this->{version}-test.jar";
# Absolute because (at least) subprocs might change the parent
# directory and run lein, e.g. DEB_DH_CLJ_LEIN_CREATE_MAVEN_REPO.
$ENV{'LEIN_HOME'} = "$abstmp/lein-home";
# lein may not attempt to access the network
# (Debian policy, section 4.9)
$ENV{'LEIN_OFFLINE'} = 'true';
return $this;
}
sub _get_project {
my $this = shift;
my ($property) = @_;
my $cmd = "DEB_DH_CLJ_LEIN_BUILD=true $lein"
. " update-in : assoc :local-repo '\"$local_repo\"' --"
. " update-in :$property println --"
. ' version';
my $output = `$cmd`;
if ($?) {
print STDERR "$output\n"; # because a stacktrace shows up there
error_exitcode($cmd)
}
my ($value) = split(/\n/, $output);
return $value;
}
sub _do_lein {
my $this = shift;
doit({'update_env' => {'DEB_DH_CLJ_LEIN_BUILD' => 'true'}},
$lein, 'update-in', ':', 'assoc', ':local-repo', "\"$local_repo\"",
'--', @_);
}
sub _create_maven_repo {
# This function also runs at the start of clean() to provide the
# normal environment for lein clean (including dh-clojure-lein),
# so it should be careful to "always" work.
doit('mkdir', '-p', $abstmp);
# This is currently for dh-clojure internal use only.
my $override = $ENV{'DEB_DH_CLJ_LEIN_CREATE_MAVEN_REPO'};
if ($override) {
doit($override, '/usr/share/maven-repo', "$abstmp/maven-repo");
} else {
remove_tree("$abstmp/maven-repo");
doit('ln', '-sf', '/usr/share/maven-repo', "$abstmp/maven-repo");
}
}
sub configure {
_create_maven_repo();
}
sub build {
my $this = shift;
$this->_do_lein('pom', "$reltmp/pom.xml"); # only accepts relative paths
$this->_do_lein('jar');
doit('test', '-f', $this->{artifact});
}
sub install {
my $this = shift;
my $pomsfile = $dh{MAINPACKAGE} . '.poms';
# write debian/<package>.poms file for maven-repo-helper
my $pomsline = "$reltmp/pom.xml --artifact=$this->{artifact} --usj-name=$this->{name} --java-lib";
complex_doit("echo '$pomsline' > debian/$pomsfile");
# add test artifact to poms file
if (defined($ENV{DEB_DH_CLJ_INSTALL_TEST_JAR})
&& $ENV{DEB_DH_CLJ_INSTALL_TEST_JAR} eq 'true') {
$pomsline = "$reltmp/pom.xml --artifact=$this->{test_artifact}"
. " --usj-name=$this->{name}-test --java-lib --classifier=test";
complex_doit("echo '$pomsline' >> debian/$pomsfile");
}
# install build artifacts to /usr/share/{java,maven-repo}
doit('mh_install');
# Since we handle our own .pom files, we don't want
# mh_resolve_dependencies to touch them, and right now it will
# (via mh_patchpoms) unless .debianVersion exists. It's easy to
# see where that happens in the current source, but it's not
# documented as far as I've seen, and so we may eventually want to
# consider pursuing a --no-patch option or something.
doit('touch', '.debianVersion');
# generate ${maven:Depends} substvar
doit('mh_resolve_dependencies', '--non-interactive', '--offline', '--build', "-p$dh{MAINPACKAGE}", '--non-explore');
}
sub test {
my $this = shift;
$this->_do_lein('test');
}
sub clean {
my $this = shift;
my $pomsfile = $dh{MAINPACKAGE} . '.poms';
_create_maven_repo(); # provide dh-clojure-lein
$this->_do_lein('clean');
doit('rm', '-f', 'debian/' . $pomsfile, '.debianVersion', '.lein-failures');
remove_tree($abstmp);
doit('rmdir', '--ignore-fail-on-non-empty', 'debian/dh-clojure');
}
1;
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