tjh.dev
1{ lib, stdenvNoCC, mercurial }:
2{ name ? null
3, url
4, rev ? null
5, md5 ? null
6, sha256 ? null
7, hash ? null
8, fetchSubrepos ? false
9, preferLocalBuild ? true }:
10
11if md5 != null then
12 throw "fetchhg does not support md5 anymore, please use sha256 or hash"
13else if hash != null && sha256 != null then
14 throw "Only one of sha256 or hash can be set"
15else
16# TODO: statically check if mercurial as the https support if the url starts woth https.
17stdenvNoCC.mkDerivation {
18 name = "hg-archive" + (lib.optionalString (name != null) "-${name}");
19 builder = ./builder.sh;
20 nativeBuildInputs = [mercurial];
21
22 impureEnvVars = lib.fetchers.proxyImpureEnvVars;
23
24 subrepoClause = lib.optionalString fetchSubrepos "S";
25
26 outputHashAlgo = if hash != null then null else "sha256";
27 outputHashMode = "recursive";
28 outputHash = if hash != null then
29 hash
30 else if sha256 != null then
31 sha256
32 else
33 lib.fakeSha256;
34
35 inherit url rev;
36 inherit preferLocalBuild;
37}