blob: 8ccd852a4e48c2e44e2dfad22866569913b99926 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
{-
Copyright (C) 2022 Yuchen Pei.
This file is part of fsd.
fsd is free software: you can redistribute it and/or modify it under
the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
fsd is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General
Public License for more details.
You should have received a copy of the GNU Affero General Public
License along with fsd. If not, see <https://www.gnu.org/licenses/>.
-}
{-# LANGUAGE ImportQualifiedPost #-}
{-# LANGUAGE OverloadedStrings #-}
module FSD.Package where
import Data.Generics
import Data.Maybe
import Data.Text (Text)
import Data.Text qualified as T
import Debian.Control
import Text.Regex.TDFA
import FSD.Types
getTags :: Paragraph -> [Text]
getTags para = case fieldValue "Tag" para of
Nothing -> []
Just tags ->
(T.splitOn ", " . T.pack . concat . lines) tags
{-package version should be from Source field overriding Version field:
Package: pandoc
Source: pandoc (2.9.2.1-1)
Version: 2.9.2.1-1+b1
-}
getPackage :: Paragraph -> Maybe Package
getPackage para = do
package <- T.pack <$> fieldValue "Package" para
let homepage = T.pack <$> fieldValue "Homepage" para
let tags = getTags para
let srcVersion = extractSrcVersion =<< fieldValue "Source" para
version <- T.pack <$> orElse srcVersion (fieldValue "Version" para)
return $ Package package version homepage (Tags tags)
where
extractSrcVersion :: String -> Maybe String
extractSrcVersion source =
case source =~ (".*\\((.*)\\)$" :: String) :: [[String]] of
[[_, version]] -> Just version
_ -> Nothing
getPackages :: Control -> [Package]
getPackages = catMaybes . fmap getPackage . unControl
|
