93aefd9fc0
get the basename of the channel URL (e.g., nixpkgs-unstable). The
top-level Nix expression of the channel is now an attribute set, the
attributes of which are the individual channels (e.g.,
{nixpkgs_unstable = ...; strategoxt_unstable = ...}). This makes
attribute paths ("nix-env -qaA" and "nix-env -iA") more sensible,
e.g., "nix-env -iA nixpkgs_unstable.subversion".
33 lines
700 B
Bash
33 lines
700 B
Bash
#! @shell@ -e
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@coreutils@/mkdir $out
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@coreutils@/mkdir $out/tmp
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cd $out/tmp
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expr=$out/default.nix
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echo '{' > $expr
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inputs=($inputs)
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for ((n = 0; n < ${#inputs[*]}; n += 2)); do
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channelName=${inputs[n]}
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channelTarball=${inputs[n+1]}
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echo "unpacking channel $channelName"
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@bunzip2@ < $channelTarball | @tar@ xf -
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nr=1
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dirName=$channelName
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while test -e ../$dirName; do
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nr=$((nr+1))
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dirName=$channelName-$nr
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done
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@coreutils@/mv * ../$dirName # !!! hacky
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attrName=$(echo $dirName | @tr@ -- '- ' '__')
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echo "$attrName = import ./$dirName {};" >> $expr
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done
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echo '} // {_combineChannels = true;}' >> $expr
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cd ..
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@coreutils@/rmdir tmp
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