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conduit/bin/nix-build-and-cache
Charles Hall a4c973e57e
build and cache all packages and CI dependencies
This fixes the problem where some artifacts were not being cached when
they should have been. The secret sauce is the  `nix-store` command.
2024-05-05 10:35:31 +01:00

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#!/usr/bin/env bash
set -euo pipefail
# Build the installable and forward any other arguments too. Also, use
# nix-output-monitor instead if it's available.
if command -v nom &> /dev/null; then
nom build "$@"
else
nix build "$@"
fi
if [ ! -z ${ATTIC_TOKEN+x} ]; then
nix run --inputs-from . attic -- \
login \
conduit \
"${ATTIC_ENDPOINT:-https://attic.conduit.rs/conduit}" \
"$ATTIC_TOKEN"
readarray -t derivations < <(nix path-info "$@" --derivation)
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 . attic -c xargs \
attic push conduit <<< "${cache[*]}"
)
else
echo "\$ATTIC_TOKEN is unset, skipping uploading to the binary cache"
fi