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#!/usr/bin/perl
# SPDX-License-Identifier: GPL-3.0-or-later
# Copyright © 2018 James McCoy <jamessan@debian.org>
=head1 NAME
dh_vim-addon - debhelper addon to help package Vim/Neovim addons
=cut
use strict;
use warnings;
use Debian::Debhelper::Dh_Lib;
use File::Spec;
our $VERSION = '0.1';
=head1 SYNOPSIS
B<dh_vim-addon> [S<I<debhelper options>>]
=head1 DESCRIPTION
B<dh_vim-addon> is a debhelper program that is responsible for installing
addons for Vim/Neovim and generating the help tags file for any documentation.
The addons are installed into directories following Vim's native "package"
hierarchy.
There are two types of addons which are supported.
=over 4
=item automatic
Automatic addons are immediately enabled for users when installed. The addons
should provide a standard mechansim to let the user disable the addon. This is
typically done by short-circuiting loading of the addon when the user adds
C<let g:loaded_E<lt>addonE<gt> = 1> in their vimrc.
=item optional
Optional addons are only enabled for users if the explicitly opt-in to the
addon. The user can do so by adding C<packadd E<lt>addonE<gt>> to their vimrc.
=back
=head1 FILES
=over 4
=item debian/I<package>.vim-addon
=item debian/I<package>.neovim-addon
List of installed directories to be setup as an automatic addon in I<package>.
The format is a set of lines, where each line lists the base directory of an
addon, relative to the package build directory and, optionally, the addon name.
=over 4
B<path/to/addon/basedir> I<optional-addon-name>
=back
There should typically only be a single addon, and therefore line, per
package. If an addon name is not supplied, the last component of the base
directory will be used as the addon name.
If the C<basedir> does not match the addon's name (e.g., because it matches the
Debian package's name), then it is recommended to supply the addon name. This
ensures that common conventions, like C<packadd addon-name> and C<let
g:loaded_addon = 1> work as the user expects.
The C<${vim-addon:Depends}> substvar will be set with any required dependencies.
=item debian/I<package>.vim-opt-addon
=item debian/I<package>.neovim-opt-addon
This file follows the same format as F<vim-addon>, however the directories will
be installed as optional addons in I<package>.
The C<${vim-addon:Depends}> substvar will be set with any required dependencies.
=back
=head1 EXAMPLES
=head2 Single addon, dh-style
Here is an example of a simple dh(1) style package with a single addon,
compatible with Vim and Neovim. The F<debian/rules> is:
=over 4
#!/usr/bin/make -f
%:
dh $@ --with vim-addon
=back
The Vim addon is installed under F</usr/share/vim-simple>, but the addon name
is I<simple> (i.e., C<let g:loaded_simple = 1> is the expected way for a user
to disable loading of the addon). The F<vim-addon> file is:
=over 4
usr/share/vim-simple simple
=back
F<debian/vim-simple.neovim-addon> is a symlink to
F<debian/vim-simple.vim-addon>.
=head2 Multiple addons, debhelper
Here is an example of a debhelper style package, providing multiple addons,
some of which aren't compatible with Neovim. The F<debian/rules> contains:
=over 4
#!/usr/bin/make -f
...
# Install the files to the package build directory
dh_install
# Setup the (neo)vim addons
dh_vim-addon
=back
The addons are installed under F</usr/share/vim-multi-addons>. Unlike the
single addon example, these addons are all installed into a directory matching
the addon name, so only the base directory is needed in the F<vim-addon> file:
=over 4
usr/share/vim-multi-addons/addon1
usr/share/vim-multi-addons/addon2
=back
while the F<neovim-addon> is:
=over 4
usr/share/vim-multi-addon/addon1
usr/share/vim-multi-addon/addon3
=back
=head1 SEE ALSO
nvim(1), vim(1)
=head1 AUTHOR
James McCoy <jamessan@debian.org>
=cut
init();
# PROMISE: DH NOOP WITHOUT vim-addon vim-opt-addon neovim-addon neovim-opt-addon
my %pkgfiledir = (
'vim-addon' => '/usr/share/vim/vimfiles/pack/dist-bundle/start',
'vim-opt-addon' => '/usr/share/vim/vimfiles/pack/dist-bundle/opt',
'neovim-addon' => '/usr/share/nvim/site/pack/dist-bundle/start',
'neovim-opt-addon' => '/usr/share/nvim/site/pack/dist-bundle/opt',
);
my @packages = getpackages();
on_items_in_parallel(\@packages, sub {
foreach my $package (@_) {
my $tmp = tmpdir($package);
my %substvar;
foreach my $pkgfilebase (keys %pkgfiledir) {
my $pkgfile = pkgfile($package, $pkgfilebase);
my $skip_process = process_pkg($package) ? 0 : 1;
next if $skip_process;
my @paths;
# Make all paths relative to the package build directory
@paths = map { [ File::Spec->join($tmp, shift @$_), @$_ ] }
filedoublearray($pkgfile) if $pkgfile;
# Verify all the specified directories can be found
my @dirs = grep { -d $_->[0] } @paths;
my @unknown = map { $_->[0] }
grep { ! -d $_->[0] } @paths;
error("No directories found matching: @unknown\n") if @unknown;
my %tagdirs;
my $dest = $pkgfiledir{$pkgfilebase};
foreach my $pair (@dirs) {
my ($basedir, $addon_name) = @$pair;
# Can either be [/path/to/addon addonname] or [/path/to/addon]
$addon_name = basename($basedir) unless $addon_name;
my $destpath = File::Spec->join($dest, $addon_name);
make_symlink($destpath, $basedir, $tmp);
my $docdir = File::Spec->join($basedir, 'doc');
if (-d $docdir) {
$tagdirs{$docdir} = 1;
}
}
if (scalar(%tagdirs)) {
doit('helpztags', sort keys %tagdirs);
}
if ($pkgfilebase =~ m/neovim/) {
# First version with good "packages" support
$substvar{neovim} = '0.2.2-1~';
} else {
# First version with $VIM/vimfiles as a directory instead of a symlink to /etc/vim
$substvar{vim} = '2:8.1.0693-2~';
}
}
if (%substvar) {
my $depinfo = join '|', map { "$_ (>= $substvar{$_})" }
# Put vim first when both vim/neovim are supported
reverse sort keys %substvar;
addsubstvar($package, 'vim-addon:Depends', $depinfo);
}
}
});
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