49 lines
1.2 KiB
Nix
49 lines
1.2 KiB
Nix
{
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lib,
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stdenvNoCC,
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mercurial,
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}:
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lib.extendMkDerivation {
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constructDrv = stdenvNoCC.mkDerivation;
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extendDrvArgs =
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finalAttrs:
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{
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name ? null,
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url,
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rev ? null,
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sha256 ? null,
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hash ? null,
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fetchSubrepos ? false,
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preferLocalBuild ? true,
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}:
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# TODO: statically check if mercurial has https support if the url starts with https.
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{
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name = "hg-archive" + (lib.optionalString (name != null) "-${name}");
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builder = ./builder.sh;
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nativeBuildInputs = [ mercurial ];
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impureEnvVars = lib.fetchers.proxyImpureEnvVars;
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subrepoClause = lib.optionalString fetchSubrepos "S";
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outputHashAlgo = if finalAttrs.hash != null && finalAttrs.hash != "" then null else "sha256";
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outputHashMode = "recursive";
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outputHash = lib.throwIf (hash != null && sha256 != null) "Only one of sha256 or hash can be set" (
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if finalAttrs.hash != null then
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finalAttrs.hash
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else if sha256 != null then
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sha256
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else
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""
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);
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inherit url rev hash;
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inherit preferLocalBuild;
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};
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# No ellipsis
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inheritFunctionArgs = false;
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}
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