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#!/usr/bin/env bash
if [ -f "default.nix" ]; then
echo "default.nix already exists in this directory"
#exit 1
fi
git init -b main .
nixpkgsURL="https://github.com/NixOS/nixpkgs"
echo "Fetching tags from $nixpkgsURL..."
line=$(git ls-remote --tags "$nixpkgsURL" | \
grep -P 'refs/tags/[0-9]{2}\.[0-9]{2}$' | \
sort -k2 | \
tail -n1)
echo "$line"
commit="$(echo "$line" | awk '{print $1}')"
version="$(echo "$line" | awk '{print $2}' | cut -d/ -f3)"
archiveURL="$nixpkgsURL/archive/$commit.tar.gz"
echo "prefetching $archiveURL..."
sha256="$(nix-prefetch-url --type sha256 --unpack "$archiveURL")"
cat >default.nix <<EOF
{
pkgsSrc ? builtins.fetchTarball {
name = "nixpkgs-$version";
url = "$archiveURL";
sha256 = "sha256:$sha256";
},
}: let
pkgs = (import pkgsSrc) {};
in {
shell = pkgs.mkShell {
name = "project-shell";
buildInputs = [
#pkgs.go
#pkgs.golangci-lint
];
};
}
EOF
git add --all
git commit -m "Initial commit"
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