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#! /usr/bin/env nix-shell
#! nix-shell -i bash -p dotnet-sdk_3 nixfmt
# Run this script to generate deps.nix
# ./create_deps.sh /path/to/package/source/checkout > deps.nix
# TODO: consolidate with other dotnet deps generation scripts by which
# this script is inspired:
# - pkgs/servers/nosql/eventstore/create-deps.sh
# - pkgs/development/dotnet-modules/python-language-server/create_deps.sh
URLBASE="https://www.nuget.org/api/v2/package"
DEPS_HEADER="
{ fetchurl }:
let
nugetUrlBase = \"$URLBASE\";
fetchNuGet = { name, version, sha256 }: fetchurl {
inherit sha256;
url = \"\${nugetUrlBase}/\${name}/\${version}\";
};
in ["
DEPS_FOOTER="]"
DEPS_TEMPLATE="
(fetchNuGet {
name = \"%s\";
version = \"%s\";
sha256 = \"%s\";
})"
function generate_restore_log() {
checkout_path=$1
>&2 echo "generating restore log for $checkout_path..."
cd $checkout_path
dotnet nuget locals all --clear
dotnet restore -v normal --no-cache WalletWasabi.Backend -r linux-x64
cd -
}
function process_restore_log() {
restore_log=$1
>&2 echo "processing restore log..."
while read line; do
if echo $line | grep -q "^[[:space:]]*Installing"; then
l=$(echo $line | xargs)
l=${l#Installing }
l=${l%.}
echo $l
fi
done < $restore_log
}
function prefetch_deps() {
processed_log=$1
>&2 echo "prefetching deps..."
while read line; do
name=$(echo $line | cut -d' ' -f1)
>&2 echo "prefetching '$name' version: $version"
version=$(echo $line | cut -d' ' -f2)
hash=$(nix-prefetch-url "$URLBASE/$name/$version" 2>/dev/null)
echo "$name $version $hash"
done < $processed_log
}
function generate_deps_expression() {
packages=$1
>&2 echo "generating deps nix-expression..."
echo $DEPS_HEADER
while read line; do
name=$(echo $line | cut -d' ' -f1)
version=$(echo $line | cut -d' ' -f2)
hash=$(echo $line | cut -d' ' -f3)
printf "$DEPS_TEMPLATE" $name $version $hash
done < $packages
echo $DEPS_FOOTER
}
function main() {
checkout_path=$1
tmpdir=$(mktemp -d)
generate_restore_log $checkout_path > $tmpdir/restore.log
process_restore_log $tmpdir/restore.log > $tmpdir/processed.log
prefetch_deps $tmpdir/processed.log > $tmpdir/prefetched.log
generate_deps_expression $tmpdir/prefetched.log > $tmpdir/deps.nix
nixfmt $tmpdir/deps.nix
cat $tmpdir/deps.nix
rm -rf $tmpdir
}
if [ ! -d "$1" ]; then
>&2 echo "First argument must be a directory, the path to the package source checkout"
exit 1
fi
main $@
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