76 lines
1.9 KiB
Bash
Executable File
76 lines
1.9 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
# This script can also be run locally for testing:
|
|
# scenario=default ./build.sh
|
|
#
|
|
# WARNING: This script fetches contents from an untrusted $cachixCache to your local nix-store.
|
|
#
|
|
# When variable CIRRUS_CI is unset, this script leaves no persistent traces on the host system.
|
|
|
|
set -euo pipefail
|
|
|
|
scenario=${scenario:-}
|
|
CACHIX_SIGNING_KEY=${CACHIX_SIGNING_KEY:-}
|
|
cachixCache=nix-bitcoin
|
|
|
|
trap 'echo Error at line $LINENO' ERR
|
|
|
|
if [[ -v CIRRUS_CI ]]; then
|
|
tmpDir=/tmp
|
|
if [[ $scenario ]]; then
|
|
if [[ ! -e /dev/kvm ]]; then
|
|
>&2 echo "No KVM available on VM host."
|
|
exit 1
|
|
fi
|
|
# Enable KVM access for nixbld users
|
|
chmod o+rw /dev/kvm
|
|
fi
|
|
else
|
|
atExit() {
|
|
rm -rf $tmpDir
|
|
if [[ -v cachixPid ]]; then kill $cachixPid; fi
|
|
}
|
|
tmpDir=$(mktemp -d -p /tmp)
|
|
trap atExit EXIT
|
|
# Prevent cachix from writing to HOME
|
|
export HOME=$tmpDir
|
|
fi
|
|
|
|
cachix use $cachixCache
|
|
cd "${BASH_SOURCE[0]%/*}"
|
|
|
|
## Build
|
|
|
|
echo "$NIX_PATH ($(nix eval --raw nixpkgs.lib.version))"
|
|
|
|
if [[ $scenario ]]; then
|
|
buildExpr=$(../test/run-tests.sh --scenario $scenario exprForCI)
|
|
else
|
|
buildExpr="import ./build.nix"
|
|
fi
|
|
|
|
time nix-instantiate -E "$buildExpr" --add-root $tmpDir/drv --indirect > /dev/null
|
|
printf "instantiated "; realpath $tmpDir/drv
|
|
|
|
outPath=$(nix-store --query $tmpDir/drv)
|
|
if nix path-info --store https://$cachixCache.cachix.org $outPath &>/dev/null; then
|
|
echo "$outPath" has already been built successfully.
|
|
exit 0
|
|
fi
|
|
|
|
# Cirrus doesn't expose secrets to pull-request builds,
|
|
# so skip cache uploading in this case
|
|
if [[ $CACHIX_SIGNING_KEY ]]; then
|
|
# Speed up task by uploading store paths as soon as they are created
|
|
cachix push $cachixCache --watch-store &
|
|
cachixPid=$!
|
|
fi
|
|
|
|
nix-build --out-link $tmpDir/result $tmpDir/drv >/dev/null
|
|
|
|
if [[ $CACHIX_SIGNING_KEY ]]; then
|
|
cachix push $cachixCache $outPath
|
|
fi
|
|
|
|
echo $outPath
|