mirror of
https://github.com/nix-community/nixvim.git
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44 lines
1.1 KiB
Nix
44 lines
1.1 KiB
Nix
{
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writeShellApplication,
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curl,
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nix,
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...
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}:
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writeShellApplication {
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name = "fetch-spellfiles";
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runtimeInputs = [
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curl
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nix
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];
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text = ''
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echo "{"
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BASE_URL="https://ftp.nluug.nl/pub/vim/runtime/spell/"
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html=$(curl -s "$BASE_URL")
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# Extract only .spl and .sug file links
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readarray -t filenames < <(echo "$html" | grep -oP '(?<=href=")[^"]+\.(spl|sug)' | sort -u)
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for filename in "''${filenames[@]}"; do
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url="$BASE_URL$filename"
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# Special characters (like '%40', standing for `@`) are invalid for nix store paths
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# -> We replace all non-alphanumeric characters with '_' and used this sanitized filename for
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# the derivation name
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sanitized_filename="''${filename//[^a-zA-Z0-9]/_}"
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sha256=$(nix-prefetch-url "$url" --name "$sanitized_filename")
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hash=$(nix hash convert --to sri --hash-algo sha256 "$sha256")
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# Ugly hardcoding of the `%40` -> `@` substitution
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filename="''${filename//%40/@}"
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echo -e " \"$filename\": { url: \"$url\", hash: \"$hash\" },"
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done
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echo "}"
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'';
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}
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