mirror of
https://github.com/nmattia/niv.git
synced 2024-11-22 11:53:07 +03:00
Use niv's nix/sources.nix in niv
This commit is contained in:
parent
3cd02da1ce
commit
e45c61ecdc
69
app/Niv.hs
69
app/Niv.hs
@ -1,4 +1,5 @@
|
||||
{-# LANGUAGE DerivingStrategies #-}
|
||||
{-# LANGUAGE TemplateHaskell #-}
|
||||
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
|
||||
{-# LANGUAGE LambdaCase #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
@ -11,6 +12,7 @@ import Control.Monad
|
||||
import Control.Monad.State
|
||||
import Data.Aeson (FromJSON, FromJSONKey, ToJSON, ToJSONKey)
|
||||
import Data.Char (isSpace, toUpper)
|
||||
import Data.FileEmbed (embedFile)
|
||||
import Data.Functor ((<&>))
|
||||
import Data.Hashable (Hashable)
|
||||
import Data.Maybe (mapMaybe, fromMaybe)
|
||||
@ -23,6 +25,7 @@ import UnliftIO
|
||||
import qualified Data.Aeson as Aeson
|
||||
import qualified Data.Aeson.Encode.Pretty as AesonPretty
|
||||
import qualified Data.ByteString as B
|
||||
import qualified Data.ByteString.Char8 as B8
|
||||
import qualified Data.ByteString.Lazy as L
|
||||
import qualified Data.HashMap.Strict as HMap
|
||||
import qualified Data.Text as T
|
||||
@ -319,7 +322,7 @@ cmdInit = do
|
||||
if shouldUpdateNixSourcesNix content
|
||||
then do
|
||||
putStrLn "Updating sources.nix"
|
||||
writeFile path initNixSourcesNixContent
|
||||
B.writeFile path initNixSourcesNixContent
|
||||
else putStrLn "Not updating sources.nix"
|
||||
)
|
||||
, ( pathNixSourcesJson
|
||||
@ -336,14 +339,14 @@ cmdInit = do
|
||||
, \path _content -> dontCreateFile path)
|
||||
] $ \(path, onCreate, onUpdate) -> do
|
||||
exists <- Dir.doesFileExist path
|
||||
if exists then readFile path >>= onUpdate path else onCreate path
|
||||
if exists then B.readFile path >>= onUpdate path else onCreate path
|
||||
where
|
||||
createFile :: FilePath -> String -> IO ()
|
||||
createFile :: FilePath -> B.ByteString -> IO ()
|
||||
createFile path content = do
|
||||
let dir = takeDirectory path
|
||||
Dir.createDirectoryIfMissing True dir
|
||||
putStrLn $ "Creating " <> path
|
||||
writeFile path content
|
||||
B.writeFile path content
|
||||
dontCreateFile :: FilePath -> IO ()
|
||||
dontCreateFile path = putStrLn $ "Not creating " <> path
|
||||
|
||||
@ -611,24 +614,24 @@ nixPrefetchURL unpack url =
|
||||
|
||||
-- | Checks if content is different than default and if it does /not/ contain
|
||||
-- a comment line with @niv: no_update@
|
||||
shouldUpdateNixSourcesNix :: String -> Bool
|
||||
shouldUpdateNixSourcesNix :: B.ByteString -> Bool
|
||||
shouldUpdateNixSourcesNix content =
|
||||
content /= initNixSourcesNixContent &&
|
||||
not (any lineForbids (lines content))
|
||||
not (any lineForbids (B8.lines content))
|
||||
where
|
||||
lineForbids :: String -> Bool
|
||||
lineForbids :: B8.ByteString -> Bool
|
||||
lineForbids str =
|
||||
case dropWhile isSpace str of
|
||||
'#':rest -> case dropWhile isSpace rest of
|
||||
'n':'i':'v':':':rest' -> case dropWhile isSpace rest' of
|
||||
'n':'o':'_':'u':'p':'d':'a':'t':'e':_ -> True
|
||||
case B8.uncons (B8.dropWhile isSpace str) of
|
||||
Just ('#',rest) -> case B8.stripPrefix "niv:" (B8.dropWhile isSpace rest) of
|
||||
Just rest' -> case B8.stripPrefix "no_update" (B8.dropWhile isSpace rest') of
|
||||
Just{} -> True
|
||||
_ -> False
|
||||
_ -> False
|
||||
_ -> False
|
||||
|
||||
warnIfOutdated :: IO ()
|
||||
warnIfOutdated = do
|
||||
tryAny (readFile pathNixSourcesNix) >>= \case
|
||||
tryAny (B.readFile pathNixSourcesNix) >>= \case
|
||||
Left e -> putStrLn $ unlines
|
||||
[ "Could not read " <> pathNixSourcesNix
|
||||
, "Error: " <> show e
|
||||
@ -650,51 +653,15 @@ pathNixSourcesNix :: FilePath
|
||||
pathNixSourcesNix = "nix" </> "sources.nix"
|
||||
|
||||
-- | Glue code between nix and sources.json
|
||||
initNixSourcesNixContent :: String
|
||||
initNixSourcesNixContent = [s|
|
||||
# This file has been generated by Niv.
|
||||
|
||||
# A record, from name to path, of the third-party packages
|
||||
with rec
|
||||
{
|
||||
pkgs = import <nixpkgs> {};
|
||||
|
||||
sources = builtins.fromJSON (builtins.readFile ./sources.json);
|
||||
|
||||
mapAttrs = builtins.mapAttrs or
|
||||
(f: set: with builtins;
|
||||
listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set)));
|
||||
|
||||
getFetcher = spec:
|
||||
let fetcherName =
|
||||
if builtins.hasAttr "type" spec
|
||||
then builtins.getAttr "type" spec
|
||||
else "tarball";
|
||||
in builtins.getAttr fetcherName {
|
||||
"tarball" = pkgs.fetchzip;
|
||||
"file" = pkgs.fetchurl;
|
||||
};
|
||||
};
|
||||
# NOTE: spec must _not_ have an "outPath" attribute
|
||||
mapAttrs (_: spec:
|
||||
if builtins.hasAttr "outPath" spec
|
||||
then abort
|
||||
"The values in sources.json should not have an 'outPath' attribute"
|
||||
else
|
||||
if builtins.hasAttr "url" spec && builtins.hasAttr "sha256" spec
|
||||
then
|
||||
spec //
|
||||
{ outPath = getFetcher spec { inherit (spec) url sha256; } ; }
|
||||
else spec
|
||||
) sources
|
||||
|]
|
||||
initNixSourcesNixContent :: B.ByteString
|
||||
initNixSourcesNixContent = $(embedFile "nix/sources.nix")
|
||||
|
||||
-- | @nix/sources.json"
|
||||
pathNixSourcesJson :: FilePath
|
||||
pathNixSourcesJson = "nix" </> "sources.json"
|
||||
|
||||
-- | Empty JSON map
|
||||
initNixSourcesJsonContent :: String
|
||||
initNixSourcesJsonContent :: B.ByteString
|
||||
initNixSourcesJsonContent = "{}"
|
||||
|
||||
-------------------------------------------------------------------------------
|
||||
|
@ -4,6 +4,8 @@ with rec
|
||||
[ "^package.yaml$"
|
||||
"^app.*$"
|
||||
"^README.md$"
|
||||
"^nix$"
|
||||
"^nix.sources.nix$"
|
||||
];
|
||||
haskellPackages = pkgs.haskellPackages.override
|
||||
{ overrides = _: haskellPackages:
|
||||
|
@ -11,6 +11,7 @@ executable:
|
||||
dependencies:
|
||||
- base
|
||||
- hashable
|
||||
- file-embed
|
||||
- process
|
||||
- text
|
||||
- bytestring
|
||||
@ -24,3 +25,5 @@ executable:
|
||||
- optparse-applicative
|
||||
- unliftio
|
||||
- unordered-containers
|
||||
data-files:
|
||||
- nix/sources.nix
|
||||
|
Loading…
Reference in New Issue
Block a user