format c_
parent
00e7a15b19
commit
29e5db764d
39
c_.nix
39
c_.nix
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@ -1,6 +1,7 @@
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# a small helper that only builds on top of builtins functions
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{ src }@inputs:
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builtins // (let
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builtins // (
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let
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formatSecondsSinceEpoch = t:
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let
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rem = x: y: x - x / y * y;
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@ -23,7 +24,8 @@ m = mp + (if mp < 10 then 3 else -9);
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y' = y + (if m <= 2 then 1 else 0);
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pad = s: if builtins.stringLength s < 2 then "0" + s else s;
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in "${toString y'}${pad (toString m)}${pad (toString d)}${pad (toString hours)}"
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in
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"${toString y'}${pad (toString m)}${pad (toString d)}${pad (toString hours)}"
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+ "${pad (toString minutes)}${pad (toString seconds)}";
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fetchTree =
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@ -39,10 +41,13 @@ fetchTree =
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, lastModified ? 0
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}@info:
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if info.type == "github" then
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{ outPath =
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{
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outPath =
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fetchTarball
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({ url = "https://api.${info.host or "github.com"}/repos/"
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+ "${info.owner}/${info.repo}/tarball/${info.rev}"; }
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({
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url = "https://api.${info.host or "github.com"}/repos/"
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+ "${info.owner}/${info.repo}/tarball/${info.rev}";
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}
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// (if info ? narHash then { sha256 = info.narHash; } else { })
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);
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rev = info.rev;
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@ -52,7 +57,8 @@ if info.type == "github" then
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narHash = info.narHash;
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}
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else if info.type == "git" then
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{ outPath =
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{
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outPath =
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builtins.fetchGit
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({ url = info.url; }
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// (if info ? rev then { inherit (info) rev; } else { })
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@ -65,25 +71,28 @@ else if info.type == "git" then
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} // (if info ? rev then {
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rev = info.rev;
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shortRev = builtins.substring 0 7 info.rev;
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} else {
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})
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} else { })
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else if info.type == "path" then
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{ outPath = builtins.path {
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path = if builtins.substring 0 1 info.path != "/"
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{
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outPath = builtins.path {
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path =
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if builtins.substring 0 1 info.path != "/"
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then src + ("/" + info.path) # make this absolute path by prepending ./
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else info.path; # it's already an absolute path
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};
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narHash = info.narHash;
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}
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else if info.type == "tarball" then
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{ outPath =
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{
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outPath =
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fetchTarball
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({ inherit (info) url; }
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// (if info ? narHash then { sha256 = info.narHash; } else { })
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);
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}
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else if info.type == "gitlab" then
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{ inherit (info) rev narHash lastModified;
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{
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inherit (info) rev narHash lastModified;
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outPath =
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fetchTarball
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({ url = "https://${info.host or "gitlab.com"}/api/v4/projects/${info.owner}%2F${info.repo}/repository/archive.tar.gz?sha=${info.rev}"; }
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@ -94,7 +103,9 @@ else if info.type == "gitlab" then
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else
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# FIXME: add Mercurial, tarball inputs.
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throw "flake input has unsupported input type '${info.type}'";
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in {
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in
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{
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inherit fetchTree;
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})
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}
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)
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