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https://github.com/ilyakooo0/nixpkgs.git
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24b5eb61eb
This resolves a regression introduced in fc01353703, where providing a
name without a proper extension breaks existing uses of fetchzip (they
now fail to unpack). Of particular note, that commit broke all uses of
fetchFromGitHub because it uses a name like so: "${repo}-${rev}-src"
Fixes #5954
54 lines
1.4 KiB
Nix
54 lines
1.4 KiB
Nix
# This function downloads and unpacks an archive file, such as a zip
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# or tar file. This is primarily useful for dynamically generated
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# archives, such as GitHub's /archive URLs, where the unpacked content
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# of the zip file doesn't change, but the zip file itself may
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# (e.g. due to minor changes in the compression algorithm, or changes
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# in timestamps).
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{ lib, fetchurl, unzip }:
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{ # Optionally move the contents of the unpacked tree up one level.
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stripRoot ? true
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, url
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, ... } @ args:
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lib.overrideDerivation (fetchurl ({
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name = args.name or (baseNameOf url);
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recursiveHash = true;
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downloadToTemp = true;
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postFetch =
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''
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export PATH=${unzip}/bin:$PATH
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mkdir $out
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unpackDir="$TMPDIR/unpack"
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mkdir "$unpackDir"
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cd "$unpackDir"
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renamed="$TMPDIR/${baseNameOf url}"
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mv "$downloadedFile" "$renamed"
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unpackFile "$renamed"
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shopt -s dotglob
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''
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+ (if stripRoot then ''
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if [ $(ls "$unpackDir" | wc -l) != 1 ]; then
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echo "error: zip file must contain a single file or directory."
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exit 1
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fi
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fn=$(cd "$unpackDir" && echo *)
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if [ -f "$unpackDir/$fn" ]; then
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mv "$unpackDir/$fn" "$out"
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else
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mv "$unpackDir/$fn"/* "$out/"
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fi
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'' else ''
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mv "$unpackDir"/* "$out/"
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'');
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} // removeAttrs args [ "stripRoot" ]))
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# Hackety-hack: we actually need unzip hooks, too
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(x: {nativeBuildInputs = x.nativeBuildInputs++ [unzip];})
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