pyrox.dev
linux: parse configfile at eval-time if possible (#434608)
+21
-12
pkgs/os-specific/linux/kernel/manual-config.nix
+21
-12
pkgs/os-specific/linux/kernel/manual-config.nix
···
2
lib,
3
stdenv,
4
buildPackages,
5
-
runCommand,
6
bc,
7
bison,
8
flex,
···
33
34
readConfig =
35
configfile:
36
-
import
37
-
(runCommand "config.nix" { } ''
38
-
echo "{" > "$out"
39
-
while IFS='=' read key val; do
40
-
[ "x''${key#CONFIG_}" != "x$key" ] || continue
41
-
no_firstquote="''${val#\"}";
42
-
echo ' "'"$key"'" = "'"''${no_firstquote%\"}"'";' >> "$out"
43
-
done < "${configfile}"
44
-
echo "}" >> $out
45
-
'').outPath;
46
in
47
lib.makeOverridable (
48
{
···
65
configfile,
66
# Manually specified nixexpr representing the config
67
# If unspecified, this will be autodetected from the .config
68
-
config ? lib.optionalAttrs allowImportFromDerivation (readConfig configfile),
69
# Custom seed used for CONFIG_GCC_PLUGIN_RANDSTRUCT if enabled. This is
70
# automatically extended with extra per-version and per-config values.
71
randstructSeed ? "",
···
2
lib,
3
stdenv,
4
buildPackages,
5
bc,
6
bison,
7
flex,
···
32
33
readConfig =
34
configfile:
35
+
lib.listToAttrs (
36
+
map
37
+
(
38
+
line:
39
+
let
40
+
match = lib.match "(.*)=\"?(.*)\"?" line;
41
+
in
42
+
{
43
+
name = lib.elemAt match 0;
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+
value = lib.elemAt match 1;
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+
}
46
+
)
47
+
(
48
+
lib.filter (line: !(lib.hasPrefix "#" line || line == "")) (
49
+
lib.splitString "\n" (builtins.readFile configfile)
50
+
)
51
+
)
52
+
);
53
in
54
lib.makeOverridable (
55
{
···
72
configfile,
73
# Manually specified nixexpr representing the config
74
# If unspecified, this will be autodetected from the .config
75
+
config ? lib.optionalAttrs (builtins.isPath configfile || allowImportFromDerivation) (
76
+
readConfig configfile
77
+
),
78
# Custom seed used for CONFIG_GCC_PLUGIN_RANDSTRUCT if enabled. This is
79
# automatically extended with extra per-version and per-config values.
80
randstructSeed ? "",