37 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
| with import <nix/config.nix>;
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| 
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| {system ? builtins.currentSystem, url, outputHash ? "", outputHashAlgo ? "", md5 ? "", sha1 ? "", sha256 ? "", executable ? false}:
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| 
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| assert (outputHash != "" && outputHashAlgo != "")
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|     || md5 != "" || sha1 != "" || sha256 != "";
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| 
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| let
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| 
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|   builder = builtins.toFile "fetchurl.sh"
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|     (''
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|       echo "downloading $url into $out"
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|       ${curl} --fail --location --max-redirs 20 --insecure "$url" > "$out"
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|     '' + (if executable then "${coreutils}/chmod +x $out" else ""));
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| 
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| in
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|     
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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" builder ];
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| 
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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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|   outputHashMode = if executable then "recursive" else "flat";
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|   
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|   inherit system url;
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| 
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|   # No need to double the amount of network traffic
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|   preferLocalBuild = true;
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| 
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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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