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fetchhg: make argument hash overridable

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This commit is contained in:
Yueh-Shun Li 2025-07-09 01:08:38 +08:00
parent 5e7cb7d976
commit ef2f8315bf
3 changed files with 52 additions and 7 deletions
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2
doc/build-helpers/fetchers.chapter.md
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@ -840,7 +840,7 @@ Used with CVS. Expects `cvsRoot`, `tag`, and `hash`.
## `fetchhg` {#fetchhg} ## `fetchhg` {#fetchhg}
Used with Mercurial. Expects `url`, `rev`, and `hash`. Used with Mercurial. Expects `url`, `rev`, `hash`, overridable with [`<pkg>.overrideAttrs`](#sec-pkg-overrideAttrs).
A number of fetcher functions wrap part of `fetchurl` and `fetchzip`. They are mainly convenience functions intended for commonly used destinations of source code in Nixpkgs. These wrapper fetchers are listed below. A number of fetcher functions wrap part of `fetchurl` and `fetchzip`. They are mainly convenience functions intended for commonly used destinations of source code in Nixpkgs. These wrapper fetchers are listed below.

10
pkgs/build-support/fetchhg/default.nix
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@ -28,22 +28,22 @@ lib.extendMkDerivation {
subrepoClause = lib.optionalString fetchSubrepos "S"; subrepoClause = lib.optionalString fetchSubrepos "S";
outputHashAlgo = if hash != null && hash != "" then null else "sha256"; outputHashAlgo = if finalAttrs.hash != null && finalAttrs.hash != "" then null else "sha256";
outputHashMode = "recursive"; outputHashMode = "recursive";
outputHash = outputHash =
lib.throwIf lib.throwIf
(hash != null && sha256 != null) (finalAttrs.hash != null && sha256 != null)
"Only one of sha256 or hash can be set" "Only one of sha256 or hash can be set"
( (
if hash != null then if finalAttrs.hash != null then
hash finalAttrs.hash
else if sha256 != null then else if sha256 != null then
sha256 sha256
else else
"" ""
); );
inherit url rev; inherit url rev hash;
inherit preferLocalBuild; inherit preferLocalBuild;
}; };

47
pkgs/test/overriding.nix
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@ -5,7 +5,7 @@
}: }:
let let
tests = tests-stdenv // test-extendMkDerivation // tests-go // tests-python; tests = tests-stdenv // test-extendMkDerivation // tests-fetchhg // tests-go // tests-python;
tests-stdenv = tests-stdenv =
let let
@ -131,6 +131,51 @@ let
}; };
}; };
tests-fetchhg =
let
ruamel_0_18_14-hash = "sha256-HDkPPp1xI3uoGYlS9mwPp1ZjG2gKvx6vog0Blj6tBuI=";
ruamel_0_18_14-src = pkgs.fetchhg {
url = "http://hg.code.sf.net/p/ruamel-yaml/code";
rev = "0.18.14";
hash = ruamel_0_18_14-hash;
};
ruamel_0_17_21-hash = "sha256-6PV0NyPQfd+4RBqoj5vJaOHShx+TJVHD2IamRinU0VU=";
ruamel_0_17_21-src = pkgs.fetchhg {
url = "http://hg.code.sf.net/p/ruamel-yaml/code";
rev = "0.17.21";
hash = ruamel_0_17_21-hash;
};
ruamel_0_17_21-src-by-overriding = ruamel_0_18_14-src.overrideAttrs {
rev = "0.17.21";
hash = ruamel_0_17_21-hash;
};
in
{
hash-outputHash-equivalence = {
expr = ruamel_0_17_21-src.outputHash == ruamel_0_17_21-hash;
expected = true;
};
hash-overridability-outputHash = {
expr = ruamel_0_17_21-src-by-overriding.outputHash == ruamel_0_17_21-hash;
expected = true;
};
hash-overridability-drvPath = {
expr =
lib.isString ruamel_0_17_21-src-by-overriding.drvPath
&& ruamel_0_17_21-src-by-overriding.drvPath == ruamel_0_17_21-src.drvPath;
expected = true;
};
hash-overridability-outPath = {
expr =
lib.isString ruamel_0_17_21-src-by-overriding.outPath
&& ruamel_0_17_21-src-by-overriding.outPath == ruamel_0_17_21-src.outPath;
expected = true;
};
};
tests-go = tests-go =
let let
pet_0_3_4 = pkgs.buildGoModule rec { pet_0_3_4 = pkgs.buildGoModule rec {