f72206b736
unpack-channel.nix fails if the tarball contains a directory named the same as the channel: mv: cannot move 'nixpkgs' to a subdirectory of itself, '.../nixpkgs' This commit fixes that by not moving the directory if it already has the correct name.
43 lines
977 B
Nix
43 lines
977 B
Nix
with import <nix/config.nix>;
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let
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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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if [ -n "$binaryCacheURL" ]; then
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mkdir $out/binary-caches
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echo -n "$binaryCacheURL" > $out/binary-caches/$channelName
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fi
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'';
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in
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{ name, channelName, src, binaryCacheURL ? "" }:
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derivation {
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system = builtins.currentSystem;
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builder = shell;
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args = [ "-e" builder ];
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inherit name channelName src binaryCacheURL;
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PATH = "${nixBinDir}:${coreutils}";
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# No point in doing this remotely.
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preferLocalBuild = true;
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inherit chrootDeps;
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}
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