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grapevine-fork/bin/nix-build-and-cache
Benjamin Lee 467417c32a
use all-features devshell for clippy/all in CI
Without this, we're building a static rocksdb inside the rust-rocksdb
build script every time. As far as I know this doesn't change clippy's
behavior, but it does take a *long* time.
2024-05-30 21:19:08 -07:00

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#!/usr/bin/env bash
set -euo pipefail
toplevel="$(git rev-parse --show-toplevel)"
# Build and cache the specified arguments
just() {
if command -v nom &> /dev/null; then
nom build "$@"
else
nix build "$@"
fi
if [ -z ${ATTIC_TOKEN+x} ]; then
echo "\$ATTIC_TOKEN is unset, skipping uploading to the binary cache"
return
fi
nix run --inputs-from "$toplevel" attic -- \
login \
"$ATTIC_SERVER" \
"$ATTIC_ENDPOINT" \
"$ATTIC_TOKEN"
# Find all output paths of the installables and their build dependencies
readarray -t derivations < <(nix path-info --derivation "$@")
cache=()
for derivation in "${derivations[@]}"; do
cache+=(
"$(nix-store --query --requisites --include-outputs "$derivation")"
)
done
# Upload them to Attic
#
# Use `xargs` and a here-string because something would probably explode if
# several thousand arguments got passed to a command at once. Hopefully no
# store paths include a newline in them.
(
IFS=$'\n'
nix shell --inputs-from "$toplevel" attic -c xargs \
attic push "$ATTIC_SERVER:$ATTIC_CACHE" <<< "${cache[*]}"
)
}
# Build and cache things needed for CI
ci() {
cache=(
--inputs-from "$toplevel"
# Keep sorted
"$toplevel#devShells.x86_64-linux.default"
"$toplevel#devShells.x86_64-linux.all-features"
attic#default
nixpkgs#direnv
nixpkgs#jq
nixpkgs#nix-direnv
)
just "${cache[@]}"
}
# Build and cache all the package outputs
packages() {
declare -a cache="($(
nix flake show --json 2> /dev/null |
nix run --inputs-from "$toplevel" nixpkgs#jq -- \
-r \
'.packages."x86_64-linux" | keys | map("'"$toplevel"'#" + .) | @sh'
))"
just "${cache[@]}"
}
eval "$@"