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fetchurl: inherit lib functions to global scope

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This commit is contained in:
Eman Resu
2026-05-21 23:17:17 -04:00
parent b4a2e8626b
commit 87163d15c7
1 changed files with 38 additions and 28 deletions
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pkgs/build-support/fetchurl/default.nix
+38 -28
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@@ -11,6 +11,22 @@
}:
let
inherit (lib)
concatMap
elemAt
fakeHash
fakeSha256
fakeSha512
filter
hasPrefix
head
isList
isString
length
match
warn
;
nixpkgsVersion = lib.trivial.release;
mirrors = import ./mirrors.nix // {
inherit hashedMirrors;
@@ -60,14 +76,14 @@ let
resolveUrl =
url:
let
mirrorSplit = lib.match "mirror://([[:alpha:]]+)/(.+)" url;
mirrorName = lib.head mirrorSplit;
mirrorSplit = match "mirror://([[:alpha:]]+)/(.+)" url;
mirrorName = head mirrorSplit;
mirrorList = mirrors."${mirrorName}" or (throw "unknown mirror:// site ${mirrorName}");
in
if mirrorSplit == null || mirrorName == null then
[ url ]
else
map (mirror: mirror + lib.elemAt mirrorSplit 1) mirrorList;
map (mirror: mirror + elemAt mirrorSplit 1) mirrorList;
impureEnvVars =
lib.fetchers.proxyImpureEnvVars
@@ -186,34 +202,28 @@ lib.extendMkDerivation {
let
preRewriteUrls =
if urls != [ ] && url == "" then
(
if lib.isList urls then urls else throw "`urls` is not a list: ${lib.generators.toPretty { } urls}"
)
(if isList urls then urls else throw "`urls` is not a list: ${lib.generators.toPretty { } urls}")
else if urls == [ ] && url != "" then
(
if lib.isString url then
[ url ]
else
throw "`url` is not a string: ${lib.generators.toPretty { } urls}"
if isString url then [ url ] else throw "`url` is not a string: ${lib.generators.toPretty { } urls}"
)
else
throw "fetchurl requires either `url` or `urls` to be set: ${lib.generators.toPretty { } args}";
urls_ =
let
u = lib.lists.concatMap (
u = concatMap (
url:
let
rewritten = rewriteURL url;
in
if lib.isString rewritten then [ rewritten ] else [ ]
if isString rewritten then [ rewritten ] else [ ]
) preRewriteUrls;
in
if u == [ ] then throw "urls is empty after rewriteURL (was ${toString preRewriteUrls})" else u;
hash_ =
if
with lib.lists;
length (
filter (s: s != "") [
hash
@@ -255,15 +265,15 @@ lib.extendMkDerivation {
else if cacert != null then
{
outputHashAlgo = null;
outputHash = lib.fakeHash;
outputHash = fakeHash;
}
else
throw "fetchurl requires a hash for fixed-output derivation: ${lib.generators.toPretty { } urls_}";
finalHashHasColon = lib.match ".*:.*" finalAttrs.hash != null;
finalHashColonMatch = lib.match "([^:]+)[:](.*)" finalAttrs.hash;
finalHashHasColon = match ".*:.*" finalAttrs.hash != null;
finalHashColonMatch = match "([^:]+)[:](.*)" finalAttrs.hash;
resolvedUrl = lib.head (resolveUrl url);
resolvedUrl = head (resolveUrl url);
in
derivationArgs
@@ -278,7 +288,7 @@ lib.extendMkDerivation {
else if name != null then
name
else
baseNameOf (toString (lib.head urls_));
baseNameOf (toString (head urls_));
builder = ./builder.sh;
@@ -295,17 +305,17 @@ lib.extendMkDerivation {
if
hash_.outputHashAlgo == null
|| hash_.outputHash == ""
|| lib.hasPrefix hash_.outputHashAlgo hash_.outputHash
|| hasPrefix hash_.outputHashAlgo hash_.outputHash
then
hash_.outputHash
else
"${hash_.outputHashAlgo}:${hash_.outputHash}";
outputHashAlgo = if finalHashHasColon then lib.head finalHashColonMatch else null;
outputHashAlgo = if finalHashHasColon then head finalHashColonMatch else null;
outputHash =
if finalAttrs.hash == "" then
lib.fakeHash
fakeHash
else if finalHashHasColon then
lib.elemAt finalHashColonMatch 1
elemAt finalHashColonMatch 1
else
finalAttrs.hash;
@@ -315,9 +325,9 @@ lib.extendMkDerivation {
if
(
hash_.outputHash == ""
|| hash_.outputHash == lib.fakeSha256
|| hash_.outputHash == lib.fakeSha512
|| hash_.outputHash == lib.fakeHash
|| hash_.outputHash == fakeSha256
|| hash_.outputHash == fakeSha512
|| hash_.outputHash == fakeHash
|| netrcPhase != null
)
then
@@ -328,8 +338,8 @@ lib.extendMkDerivation {
outputHashMode = if (recursiveHash || executable) then "recursive" else "flat";
curlOpts =
if lib.isList curlOpts then
lib.warn (
if isList curlOpts then
warn (
let
url = toString (builtins.head urls_);
curlOptsRepresentation = lib.generators.toPretty { multiline = false; } curlOpts;
@@ -360,7 +370,7 @@ lib.extendMkDerivation {
impureEnvVars = impureEnvVars ++ netrcImpureEnvVars;
nixpkgsVersion = lib.trivial.release;
inherit nixpkgsVersion;
inherit preferLocalBuild;