blob: dedb877448a6f94986d483fb3656bbf461d40408 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
with import ../../../../.. { };
with lib; let
isFod = p: p.tlType != "bin" && isDerivation p;
# ugly hack to extract combine from collection-latexextra, since it is masked by texlive.combine
combine = lib.findFirst (p: (lib.head p.pkgs).pname == "combine") { pkgs = [ ]; } (lib.head texlive.collection-latexextra.pkgs).tlDeps;
all = filter (p: p ? pkgs) (attrValues (removeAttrs texlive [ "bin" "combine" "combined" "tlpdb" ])) ++ [ combine ];
sorted = sort (a: b: (head a.pkgs).pname < (head b.pkgs).pname) all;
fods = filter isFod (concatMap (p: p.pkgs or [ ]) all);
computeHash = fod: runCommand "${fod.pname}-${fod.tlType}-fixed-hash"
{ buildInputs = [ nix ]; inherit fod; }
''echo -n "$(nix-hash --base32 --type sha256 "$fod")" >"$out"'';
hash = fod: fod.outputHash or (builtins.readFile (computeHash fod));
hashes = { pkgs }:
concatMapStrings ({ tlType, ... }@p: lib.optionalString (isFod p) (''${tlType}="${hash p}";'')) pkgs;
hashLine = { pkgs }@pkg:
let
fods = lib.filter isFod pkgs;
first = lib.head fods;
# NOTE: the fixed naming scheme must match default.nix
fixedName = with first; "${pname}-${toString revision}${first.extraRevision or ""}";
in
lib.optionalString (fods != [ ]) ''
${strings.escapeNixIdentifier fixedName}={${hashes pkg}};
'';
in
{
# fixedHashesNix uses 'import from derivation' which does not parallelize well
# you should build newHashes first, before evaluating (and building) fixedHashesNix
newHashes = map computeHash (filter (fod: ! fod ? outputHash) fods);
fixedHashesNix = writeText "fixed-hashes.nix"
''
{
${lib.concatMapStrings hashLine sorted}}
'';
}
|