isabelroses.com
this repo has no description
fix: flakey url resolution
sometimes i could get it to work othertimes not so much; now it should
just always work
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-2
+112
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fetcher.nix
+112
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fetcher.nix
···
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{ lib, fetchFromGitHub }:
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# this is really just a fork of fetchFromGitHub, but with a few changes due to
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# incompatibilities, for example `tag` is removed and there is no such concept
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# of private in atproto, so all the private stuff has been removed.
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#
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#
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# as of the time of writing, `.git` suffixed urls do not resolve correctly
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# either
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#
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# as of the time of writing too
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# `https://tangled.sh/@rockorager.dev/lsr/archive/v1.0.0.tar.gz` resolves to
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# `https://knot1.tangled.sh/did:plc:vk2bemsr3uxaw4fdzno3chsh/lsr/archive/v1.0.0.tar.gz.tar.gz`
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# which is an invalid url.
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{
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lib,
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repoRevToNameMaybe,
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fetchgit,
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fetchzip,
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}:
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lib.makeOverridable (
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{
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domain ? "tangled.sh",
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owner,
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repo,
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rev ? null,
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name ? repoRevToNameMaybe repo rev "tangled",
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# fetchgit stuff
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fetchSubmodules ? false,
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leaveDotGit ? false,
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deepClone ? false,
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forceFetchGit ? false,
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fetchLFS ? false,
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sparseCheckout ? [ ],
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meta ? { },
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...
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}@args:
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fetchFromGitHub ((removeAttrs args [ "domain" ]) // { githubBase = domain; })
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let
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position = (
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if args.meta.description or null != null then
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builtins.unsafeGetAttrPos "description" args.meta
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else
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builtins.unsafeGetAttrPos "rev" args
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);
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baseUrl = "https://${domain}/${owner}/${repo}";
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newMeta =
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meta
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// {
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homepage = meta.homepage or baseUrl;
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}
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// lib.optionalAttrs (position != null) {
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# to indicate where derivation originates, similar to make-derivation.nix's mkDerivation
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position = "${position.file}:${toString position.line}";
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};
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passthruAttrs = removeAttrs args [
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"domain"
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"owner"
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"repo"
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"rev"
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"fetchSubmodules"
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"forceFetchGit"
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];
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useFetchGit =
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fetchSubmodules || leaveDotGit || deepClone || forceFetchGit || fetchLFS || (sparseCheckout != [ ]);
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# We prefer fetchzip in cases we don't need submodules as the hash
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# is more stable in that case.
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fetcher =
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if useFetchGit then
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fetchgit
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# fetchzip may not be overridable when using external tools, for example nix-prefetch
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else if fetchzip ? override then
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fetchzip.override { withUnzip = false; }
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else
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fetchzip;
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fetcherArgs =
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(
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if useFetchGit then
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{
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inherit
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rev
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deepClone
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fetchSubmodules
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sparseCheckout
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fetchLFS
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leaveDotGit
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;
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url = baseUrl;
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}
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else
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{
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url = "${baseUrl}/archive/${rev}";
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extension = "tar.gz";
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passthru = {
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gitRepoUrl = baseUrl;
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};
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}
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)
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// passthruAttrs
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// {
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inherit name;
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};
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in
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fetcher fetcherArgs
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// {
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meta = newMeta;
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inherit owner repo rev;
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}
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)