c4382fa872
Once hydra and nixpkgs are on the same nix this we can settle on the newer builtin-based src/nix-channel/unpack-channel.nix.
46 lines
1.1 KiB
Nix
46 lines
1.1 KiB
Nix
# Hydra runs the newer nix which doesn't have corepkgs/unpack-channel.nix. The nix-daemon runs the older nix which
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# doesn't have builtins:unpack-channel. This means
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#
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# - for now we need to provide the older corepkgs/unpack-channel.nix
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# - in the future we should switch to src/nix-channel/unpack-channel.nix
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{ bash, coreutils, gnutar, xz, gzip, bzip2 }:
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let
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tarFlags = "--warning=no-timestamp";
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builder = builtins.toFile "unpack-channel.sh"
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''
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mkdir $out
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cd $out
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xzpat="\.xz\$"
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gzpat="\.gz\$"
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if [[ "$src" =~ $xzpat ]]; then
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xz -d < $src | tar xf - ${tarFlags}
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elif [[ "$src" =~ $gzpat ]]; then
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gzip -d < $src | tar xf - ${tarFlags}
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else
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bzip2 -d < $src | tar xf - ${tarFlags}
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fi
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if [ * != $channelName ]; then
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mv * $out/$channelName
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fi
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'';
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in
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{ name, channelName, src }:
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derivation {
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system = builtins.currentSystem;
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builder = "${bash}/bin/sh";
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args = [ "-e" builder ];
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inherit name channelName src;
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PATH = "${coreutils}/bin:${gnutar}/bin:${xz}/bin:${gzip}/bin:${bzip2}/bin";
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# No point in doing this remotely.
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preferLocalBuild = true;
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}
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