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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p curl gnugrep gnused jq nix-prefetch
set -eu -o pipefail
dirname=$(realpath "$(dirname "$0")")
nixpkgs=$(realpath "${dirname}/../../../..")
old_rover_version=$(nix eval --raw -f "$nixpkgs" rover.version)
rover_url=https://api.github.com/repos/apollographql/rover/releases/latest
rover_tag=$(curl "$rover_url" | jq --raw-output ".tag_name")
rover_version="$(expr "$rover_tag" : 'v\(.*\)')"
if [[ "$old_rover_version" == "$rover_version" ]]; then
echo "rover is up-to-date: ${old_rover_version}"
exit 0
fi
echo "Fetching rover"
rover_tar_url="https://github.com/apollographql/rover/archive/refs/tags/${rover_tag}.tar.gz"
{
read rover_hash
read repo
} < <(nix-prefetch-url "$rover_tar_url" --unpack --type sha256 --print-path)
# Convert hash to SRI representation
rover_sri_hash=$(nix hash to-sri --type sha256 "$rover_hash")
# Update rover version.
sed --in-place \
"s|version = \"[0-9.]*\"|version = \"$rover_version\"|" \
"$dirname/default.nix"
# Update rover hash.
sed --in-place \
"s|sha256 = \"[a-zA-Z0-9\/+-=]*\"|sha256 = \"$rover_sri_hash\"|" \
"$dirname/default.nix"
# Clear cargoSha256.
sed --in-place \
"s|cargoSha256 = \".*\"|cargoSha256 = \"sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=\"|" \
"$dirname/default.nix"
# Update cargoSha256
echo "Computing cargoSha256"
cargoSha256=$(
nix-prefetch "{ sha256 }: (import $nixpkgs {}).rover.cargoDeps.overrideAttrs (_: { outputHash = sha256; })"
)
sed --in-place \
"s|cargoSha256 = \".*\"|cargoSha256 = \"$cargoSha256\"|" \
"$dirname/default.nix"
# Update apollo api schema info
response="$(mktemp)"
schemaUrl=https://graphql.api.apollographql.com/api/schema
mkdir -p "$dirname"/schema
# Fetch schema info
echo "Fetching Apollo GraphQL schema"
# include response headers, and append terminating newline to response body
curl --include --write-out "\n" "$schemaUrl" > "$response"
# Parse response headers and write the etag to schema/etag.id
grep \
--max-count=1 \
--only-matching \
--perl-regexp \
'^etag: \K\S*' \
"$response" \
> "$dirname"/schema/etag.id
# Discard headers and blank line (terminated by carriage return), and write the
# response body to schema/schema.graphql
sed '1,/^\r/d' "$response" > "$dirname"/schema/schema.graphql
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