isabelroses.com
+117
-103
fetcher.nix
+117
-103
fetcher.nix
···
10
10
{
11
11
lib,
12
12
repoRevToNameMaybe,
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+
stdenvNoCC,
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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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tag ? null,
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name ? repoRevToNameMaybe repo (lib.revOrTag rev tag) "tangled",
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-
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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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-
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meta ? { },
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-
...
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}@args:
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-
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assert lib.assertMsg (lib.xor (tag != null) (
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rev != null
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)) "fetchFromTangled requires one of either `rev` or `tag` to be provided (not both).";
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-
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let
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-
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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 if tag != null then
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builtins.unsafeGetAttrPos "tag" args
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else
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builtins.unsafeGetAttrPos "rev" args
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);
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-
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baseUrl = "https://${domain}/${owner}/${repo}";
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-
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newMeta =
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meta
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// {
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homepage = meta.homepage or baseUrl;
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}
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// lib.optionalAttrs (position != null) {
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# to indicate where derivation originates, similar to make-derivation.nix's mkDerivation
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position = "${position.file}:${toString position.line}";
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};
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+
lib.extendMkDerivation {
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constructDrv = stdenvNoCC.mkDerivation;
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+
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excludeDrvArgNames = [
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# Additional stdenv.mkDerivation arguments from derived fetchers.
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+
"derivationArgs"
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25
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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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-
"tag"
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-
"rev"
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-
"fetchSubmodules"
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-
"forceFetchGit"
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+
"hash"
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];
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28
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-
useFetchGit =
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fetchSubmodules || leaveDotGit || deepClone || forceFetchGit || fetchLFS || (sparseCheckout != [ ]);
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-
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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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-
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revWithTag = if tag != null then "refs%2Ftags%2F${tag}" else rev;
90
-
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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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-
tag
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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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+
extendDrvArgs =
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+
finalAttrs:
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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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+
tag ? null,
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+
name ? repoRevToNameMaybe repo (lib.revOrTag rev tag) "tangled",
38
+
39
+
# 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,
45
+
sparseCheckout ? [ ],
46
+
47
+
meta ? { },
48
+
...
49
+
}@args:
50
+
51
+
assert lib.assertMsg (lib.xor (tag != null) (
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+
rev != null
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+
)) "fetchFromTangled requires one of either `rev` or `tag` to be provided (not both).";
54
+
55
+
let
56
+
57
+
position = (
58
+
if args.meta.description or null != null then
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+
builtins.unsafeGetAttrPos "description" args.meta
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+
else if tag != null then
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+
builtins.unsafeGetAttrPos "tag" args
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+
else
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+
builtins.unsafeGetAttrPos "rev" args
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+
);
65
+
66
+
baseUrl = "https://${domain}/${owner}/${repo}";
67
+
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+
newMeta =
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+
meta
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+
// {
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+
homepage = meta.homepage or baseUrl;
105
72
}
106
-
else
107
-
{
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-
url = "${baseUrl}/archive/${revWithTag}";
109
-
extension = "tar.gz";
110
-
111
-
passthru = {
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-
gitRepoUrl = baseUrl;
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-
};
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-
}
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-
)
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-
// passthruAttrs
73
+
// lib.optionalAttrs (position != null) {
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+
# to indicate where derivation originates, similar to make-derivation.nix's mkDerivation
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+
position = "${position.file}:${toString position.line}";
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+
};
77
+
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+
passthruAttrs = removeAttrs args [
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+
"domain"
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+
"owner"
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+
"repo"
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+
"tag"
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+
"rev"
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+
"fetchSubmodules"
85
+
"forceFetchGit"
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+
];
87
+
88
+
useFetchGit =
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+
fetchSubmodules || leaveDotGit || deepClone || forceFetchGit || fetchLFS || (sparseCheckout != [ ]);
90
+
91
+
# We prefer fetchzip in cases we don't need submodules as the hash
92
+
# is more stable in that case.
93
+
fetcher =
94
+
if useFetchGit then
95
+
fetchgit
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+
# fetchzip may not be overridable when using external tools, for example nix-prefetch
97
+
else if fetchzip ? override then
98
+
fetchzip.override { withUnzip = false; }
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+
else
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+
fetchzip;
101
+
102
+
revWithTag = if tag != null then "refs%2Ftags%2F${tag}" else rev;
103
+
104
+
fetcherArgs =
105
+
(
106
+
if useFetchGit then
107
+
{
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+
inherit
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+
tag
110
+
rev
111
+
deepClone
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+
fetchSubmodules
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+
sparseCheckout
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+
fetchLFS
115
+
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 = "${baseUrl}/archive/${revWithTag}";
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+
extension = "tar.gz";
123
+
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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
134
+
135
+
fetcher fetcherArgs
117
136
// {
118
-
inherit name;
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+
meta = newMeta;
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+
inherit owner repo tag;
139
+
rev = revWithTag;
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140
};
120
-
in
121
-
122
-
fetcher fetcherArgs
123
-
// {
124
-
meta = newMeta;
125
-
inherit owner repo tag;
126
-
rev = revWithTag;
127
141
}
128
142
)