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fetchurl: nixfmt-rfc-style

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This commit is contained in:
Anderson Torres 2024-09-24 21:45:45 -03:00
parent a32c7a11dd
commit ce21e97a1f
4 changed files with 225 additions and 125 deletions
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29
pkgs/build-support/fetchurl/boot.nix
View File

@ -1,12 +1,15 @@
let mirrors = import ./mirrors.nix; in
let
mirrors = import ./mirrors.nix;
in
{ system }:
{ url ? builtins.head urls
, urls ? []
, sha256 ? ""
, hash ? ""
, name ? baseNameOf (toString url)
{
url ? builtins.head urls,
urls ? [ ],
sha256 ? "",
hash ? "",
name ? baseNameOf (toString url),
}:
# assert exactly one hash is set
@ -14,12 +17,18 @@ assert hash != "" || sha256 != "";
assert hash != "" -> sha256 == "";
import <nix/fetchurl.nix> {
inherit system hash sha256 name;
inherit
system
hash
sha256
name
;
url =
# Handle mirror:// URIs. Since <nix/fetchurl.nix> currently
# supports only one URI, use the first listed mirror.
let m = builtins.match "mirror://([a-z]+)/(.*)" url; in
if m == null then url
else builtins.head (mirrors.${builtins.elemAt m 0}) + (builtins.elemAt m 1);
let
m = builtins.match "mirror://([a-z]+)/(.*)" url;
in
if m == null then url else builtins.head (mirrors.${builtins.elemAt m 0}) + (builtins.elemAt m 1);
}

235
pkgs/build-support/fetchurl/default.nix
View File

@ -1,6 +1,12 @@
{ lib, buildPackages ? { inherit stdenvNoCC; }, stdenvNoCC
, curl # Note that `curl' may be `null', in case of the native stdenvNoCC.
, cacert ? null }:
{
lib,
buildPackages ? {
inherit stdenvNoCC;
},
stdenvNoCC,
curl, # Note that `curl' may be `null', in case of the native stdenvNoCC.
cacert ? null,
}:
let
@ -11,19 +17,23 @@ let
# fetchurl instantiations via environment variables. This makes the
# resulting store derivations (.drv files) much smaller, which in
# turn makes nix-env/nix-instantiate faster.
mirrorsFile =
buildPackages.stdenvNoCC.mkDerivation ({
mirrorsFile = buildPackages.stdenvNoCC.mkDerivation (
{
name = "mirrors-list";
strictDeps = true;
builder = ./write-mirror-list.sh;
preferLocalBuild = true;
} // mirrors);
}
// mirrors
);
# Names of the master sites that are mirrored (i.e., "sourceforge",
# "gnu", etc.).
sites = builtins.attrNames mirrors;
impureEnvVars = lib.fetchers.proxyImpureEnvVars ++ [
impureEnvVars =
lib.fetchers.proxyImpureEnvVars
++ [
# This variable allows the user to pass additional options to curl
"NIX_CURL_FLAGS"
@ -34,123 +44,169 @@ let
# This variable allows overriding the timeout for connecting to
# the hashed mirrors.
"NIX_CONNECT_TIMEOUT"
] ++ (map (site: "NIX_MIRRORS_${site}") sites);
]
++ (map (site: "NIX_MIRRORS_${site}") sites);
in
{ # URL to fetch.
url ? ""
{
# URL to fetch.
url ? "",
, # Alternatively, a list of URLs specifying alternative download
# Alternatively, a list of URLs specifying alternative download
# locations. They are tried in order.
urls ? []
urls ? [ ],
, # Additional curl options needed for the download to succeed.
# Additional curl options needed for the download to succeed.
# Warning: Each space (no matter the escaping) will start a new argument.
# If you wish to pass arguments with spaces, use `curlOptsList`
curlOpts ? ""
curlOpts ? "",
, # Additional curl options needed for the download to succeed.
curlOptsList ? []
# Additional curl options needed for the download to succeed.
curlOptsList ? [ ],
, # Name of the file. If empty, use the basename of `url' (or of the
# Name of the file. If empty, use the basename of `url' (or of the
# first element of `urls').
name ? ""
name ? "",
# for versioned downloads optionally take pname + version.
, pname ? ""
, version ? ""
pname ? "",
version ? "",
, # SRI hash.
hash ? ""
# SRI hash.
hash ? "",
, # Legacy ways of specifying the hash.
outputHash ? ""
, outputHashAlgo ? ""
, sha1 ? ""
, sha256 ? ""
, sha512 ? ""
# Legacy ways of specifying the hash.
outputHash ? "",
outputHashAlgo ? "",
sha1 ? "",
sha256 ? "",
sha512 ? "",
, recursiveHash ? false
recursiveHash ? false,
, # Shell code to build a netrc file for BASIC auth
netrcPhase ? null
# Shell code to build a netrc file for BASIC auth
netrcPhase ? null,
, # Impure env vars (https://nixos.org/nix/manual/#sec-advanced-attributes)
# Impure env vars (https://nixos.org/nix/manual/#sec-advanced-attributes)
# needed for netrcPhase
netrcImpureEnvVars ? []
netrcImpureEnvVars ? [ ],
, # Shell code executed after the file has been fetched
# Shell code executed after the file has been fetched
# successfully. This can do things like check or transform the file.
postFetch ? ""
postFetch ? "",
, # Whether to download to a temporary path rather than $out. Useful
# Whether to download to a temporary path rather than $out. Useful
# in conjunction with postFetch. The location of the temporary file
# is communicated to postFetch via $downloadedFile.
downloadToTemp ? false
downloadToTemp ? false,
, # If true, set executable bit on downloaded file
executable ? false
# If true, set executable bit on downloaded file
executable ? false,
, # If set, don't download the file, but write a list of all possible
# If set, don't download the file, but write a list of all possible
# URLs (resulting from resolving mirror:// URLs) to $out.
showURLs ? false
showURLs ? false,
, # Meta information, if any.
meta ? {}
# Meta information, if any.
meta ? { },
# Passthru information, if any.
, passthru ? {}
passthru ? { },
# Doing the download on a remote machine just duplicates network
# traffic, so don't do that by default
, preferLocalBuild ? true
preferLocalBuild ? true,
# Additional packages needed as part of a fetch
, nativeBuildInputs ? [ ]
nativeBuildInputs ? [ ],
}:
let
urls_ =
if urls != [] && url == "" then
(if lib.isList urls then urls
else throw "`urls` is not a list")
else if urls == [] && url != "" then
(if lib.isString url then [url]
else throw "`url` is not a string")
else throw "fetchurl requires either `url` or `urls` to be set";
if urls != [ ] && url == "" then
(if lib.isList urls then urls else throw "`urls` is not a list")
else if urls == [ ] && url != "" then
(if lib.isString url then [ url ] else throw "`url` is not a string")
else
throw "fetchurl requires either `url` or `urls` to be set";
hash_ =
if with lib.lists; length (filter (s: s != "") [ hash outputHash sha1 sha256 sha512 ]) > 1
then throw "multiple hashes passed to fetchurl" else
if
with lib.lists;
length (
filter (s: s != "") [
hash
outputHash
sha1
sha256
sha512
]
) > 1
then
throw "multiple hashes passed to fetchurl"
else
if hash != "" then { outputHashAlgo = null; outputHash = hash; }
if hash != "" then
{
outputHashAlgo = null;
outputHash = hash;
}
else if outputHash != "" then
if outputHashAlgo != "" then { inherit outputHashAlgo outputHash; }
else throw "fetchurl was passed outputHash without outputHashAlgo"
else if sha512 != "" then { outputHashAlgo = "sha512"; outputHash = sha512; }
else if sha256 != "" then { outputHashAlgo = "sha256"; outputHash = sha256; }
else if sha1 != "" then { outputHashAlgo = "sha1"; outputHash = sha1; }
else if cacert != null then { outputHashAlgo = "sha256"; outputHash = ""; }
else throw "fetchurl requires a hash for fixed-output derivation: ${lib.concatStringsSep ", " urls_}";
if outputHashAlgo != "" then
{ inherit outputHashAlgo outputHash; }
else
throw "fetchurl was passed outputHash without outputHashAlgo"
else if sha512 != "" then
{
outputHashAlgo = "sha512";
outputHash = sha512;
}
else if sha256 != "" then
{
outputHashAlgo = "sha256";
outputHash = sha256;
}
else if sha1 != "" then
{
outputHashAlgo = "sha1";
outputHash = sha1;
}
else if cacert != null then
{
outputHashAlgo = "sha256";
outputHash = "";
}
else
throw "fetchurl requires a hash for fixed-output derivation: ${lib.concatStringsSep ", " urls_}";
in
assert (lib.isList curlOpts) -> lib.warn ''
fetchurl for ${toString (builtins.head urls_)}: curlOpts is a list (${lib.generators.toPretty { multiline = false; } curlOpts}), which is not supported anymore.
assert
(lib.isList curlOpts)
-> lib.warn ''
fetchurl for ${toString (builtins.head urls_)}: curlOpts is a list (${
lib.generators.toPretty { multiline = false; } curlOpts
}), which is not supported anymore.
- If you wish to get the same effect as before, for elements with spaces (even if escaped) to expand to multiple curl arguments, use a string argument instead:
curlOpts = ${lib.strings.escapeNixString (toString curlOpts)};
- If you wish for each list element to be passed as a separate curl argument, allowing arguments to contain spaces, use curlOptsList instead:
curlOptsList = [ ${lib.concatMapStringsSep " " lib.strings.escapeNixString curlOpts} ];'' true;
stdenvNoCC.mkDerivation ((
stdenvNoCC.mkDerivation (
(
if (pname != "" && version != "") then
{ inherit pname version; }
else
{ name =
if showURLs then "urls"
else if name != "" then name
else baseNameOf (toString (builtins.head urls_));
{
name =
if showURLs then
"urls"
else if name != "" then
name
else
baseNameOf (toString (builtins.head urls_));
}
) // {
)
// {
builder = ./builder.sh;
nativeBuildInputs = [ curl ] ++ nativeBuildInputs;
@ -166,15 +222,31 @@ stdenvNoCC.mkDerivation ((
# Disable TLS verification only when we know the hash and no credentials are
# needed to access the resource
SSL_CERT_FILE = if (hash_.outputHash == "" || hash_.outputHash == lib.fakeSha256 || hash_.outputHash == lib.fakeSha512 || hash_.outputHash == lib.fakeHash || netrcPhase != null)
then "${cacert}/etc/ssl/certs/ca-bundle.crt"
else "/no-cert-file.crt";
SSL_CERT_FILE =
if
(
hash_.outputHash == ""
|| hash_.outputHash == lib.fakeSha256
|| hash_.outputHash == lib.fakeSha512
|| hash_.outputHash == lib.fakeHash
|| netrcPhase != null
)
then
"${cacert}/etc/ssl/certs/ca-bundle.crt"
else
"/no-cert-file.crt";
outputHashMode = if (recursiveHash || executable) then "recursive" else "flat";
inherit curlOpts;
curlOptsList = lib.escapeShellArgs curlOptsList;
inherit showURLs mirrorsFile postFetch downloadToTemp executable;
inherit
showURLs
mirrorsFile
postFetch
downloadToTemp
executable
;
impureEnvVars = impureEnvVars ++ netrcImpureEnvVars;
@ -182,11 +254,18 @@ stdenvNoCC.mkDerivation ((
inherit preferLocalBuild;
postHook = if netrcPhase == null then null else ''
postHook =
if netrcPhase == null then
null
else
''
${netrcPhase}
curlOpts="$curlOpts --netrc-file $PWD/netrc"
'';
inherit meta;
passthru = { inherit url; } // passthru;
})
passthru = {
inherit url;
} // passthru;
}
)

20
pkgs/build-support/fetchurl/tests.nix
View File

@ -1,11 +1,23 @@
{ testers, fetchurl, jq, moreutils, ... }: {
{
testers,
fetchurl,
jq,
moreutils,
...
}:
{
# Tests that we can send custom headers with spaces in them
header =
let headerValue = "Test '\" <- These are some quotes";
in testers.invalidateFetcherByDrvHash fetchurl {
let
headerValue = "Test '\" <- These are some quotes";
in
testers.invalidateFetcherByDrvHash fetchurl {
url = "https://httpbin.org/headers";
sha256 = builtins.hashString "sha256" (headerValue + "\n");
curlOptsList = [ "-H" "Hello: ${headerValue}" ];
curlOptsList = [
"-H"
"Hello: ${headerValue}"
];
postFetch = ''
${jq}/bin/jq -r '.headers.Hello' $out | ${moreutils}/bin/sponge $out
'';