33 lines
1,019 B
Nix
33 lines
1,019 B
Nix
with import <nix/config.nix>;
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# Argh, this thing is duplicated (more-or-less) in Nixpkgs. Need to
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# find a way to combine them.
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{system ? builtins.currentSystem, url, outputHash ? "", outputHashAlgo ? "", md5 ? "", sha1 ? "", sha256 ? ""}:
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assert (outputHash != "" && outputHashAlgo != "")
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|| md5 != "" || sha1 != "" || sha256 != "";
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derivation {
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name = baseNameOf (toString url);
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builder = shell;
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args = [ "-e" ./fetchurl.sh ];
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# Compatibility with Nix <= 0.7.
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id = md5;
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# New-style output content requirements.
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outputHashAlgo = if outputHashAlgo != "" then outputHashAlgo else
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if sha256 != "" then "sha256" else if sha1 != "" then "sha1" else "md5";
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outputHash = if outputHash != "" then outputHash else
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if sha256 != "" then sha256 else if sha1 != "" then sha1 else md5;
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inherit system url curl;
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# No need to double the amount of network traffic
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preferLocalBuild = true;
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# Don't build in a chroot because Nix's dependencies may not be there.
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__noChroot = true;
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}
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