blob: 4d178ac96c5d9bff4bc7a52240829ad185ff8cff (
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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
# This derivation builds two files containing information about the
# closure of 'rootPaths': $out/store-paths contains the paths in the
# closure, and $out/registration contains a file suitable for use with
# "nix-store --load-db" and "nix-store --register-validity
# --hash-given".
{ stdenv, coreutils, jq, perl, pathsFromGraph }:
{ rootPaths }:
#if builtins.langVersion >= 5 then
# FIXME: it doesn't work on Hydra, failing to find mkdir;
# perhaps .attrs.sh clobbers PATH with new nix?
if false then
# Nix >= 1.12: Include NAR hash / size info.
stdenv.mkDerivation {
name = "closure-info";
__structuredAttrs = true;
exportReferencesGraph.closure = rootPaths;
PATH = "${coreutils}/bin:${jq}/bin";
builder = builtins.toFile "builder"
''
if [ -e .attrs.sh ]; then . .attrs.sh; fi
out=''${outputs[out]}
mkdir $out
jq -r '.closure | map([.path, .narHash, .narSize, "", (.references | length)] + .references) | add | map("\(.)\n") | add' < .attrs.json | head -n -1 > $out/registration
jq -r .closure[].path < .attrs.json > $out/store-paths
'';
}
else
# Nix < 1.12
stdenv.mkDerivation {
name = "closure-info";
exportReferencesGraph =
map (x: [("closure-" + baseNameOf x) x]) rootPaths;
buildInputs = [ perl ];
buildCommand =
''
mkdir $out
printRegistration=1 perl ${pathsFromGraph} closure-* > $out/registration
perl ${pathsFromGraph} closure-* > $out/store-paths
'';
}
|
