nimbus-build-system/scripts/build_nim.sh

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#!/bin/bash
# used in Travis CI and AppVeyor scripts
# Copyright (c) 2018-2020 Status Research & Development GmbH. Licensed under
# either of:
# - Apache License, version 2.0
# - MIT license
# at your option. This file may not be copied, modified, or distributed except
# according to those terms.
set -e
# Git commits
CSOURCES_COMMIT="f72f471adb743bea4f8d8c59d19aa1cb885dcc59" # 0.20.0
NIMBLE_COMMIT="4007b2a778429a978e12307bf13a038029b4c4d9" # 0.11.0
# script arguments
[[ $# -ne 4 ]] && { echo "Usage: $0 nim_dir csources_dir nimble_dir ci_cache_dir"; exit 1; }
NIM_DIR="$1"
CSOURCES_DIR="$2" # can be relative to NIM_DIR
NIMBLE_DIR="$3" # can be relative to NIM_DIR
CI_CACHE="$4"
## env vars
# verbosity level
[[ -z "$V" ]] && V=0
[[ -z "$CC" ]] && CC="gcc"
# to build csources in parallel, set MAKE="make -jN"
[[ -z "$MAKE" ]] && MAKE="make"
# for 32-bit binaries on a 64-bit Windows host
UCPU=""
[[ "$ARCH_OVERRIDE" == "x86" ]] && UCPU="ucpu=i686"
[[ -z "$NIM_BUILD_MSG" ]] && NIM_BUILD_MSG="Building the Nim compiler"
# Windows detection
if uname | grep -qiE "mingw|msys"; then
ON_WINDOWS=1
EXE_SUFFIX=".exe"
# otherwise it fails in AppVeyor due to https://github.com/git-for-windows/git/issues/2495
GIT_TIMESTAMP_ARG="--date=unix" # available since Git 2.9.4
else
ON_WINDOWS=0
EXE_SUFFIX=""
GIT_TIMESTAMP_ARG="--date=format-local:%s" # available since Git 2.7.0
fi
NIM_BINARY="${NIM_DIR}/bin/nim${EXE_SUFFIX}"
nim_needs_rebuilding() {
REBUILD=0
NO_REBUILD=1
if [[ ! -e "$NIM_DIR" ]]; then
git clone -q --depth=1 https://github.com/status-im/Nim.git "$NIM_DIR"
fi
if [[ -n "$CI_CACHE" && -d "$CI_CACHE" ]]; then
cp -a "$CI_CACHE"/* "$NIM_DIR"/bin/ || true # let this one fail with an empty cache dir
fi
# compare the built commit's timestamp to the date of the last commit (keep in mind that Git doesn't preserve file timestamps)
if [[ -e "${NIM_DIR}/bin/timestamp" && $(cat "${NIM_DIR}/bin/timestamp") -eq $(cd "$NIM_DIR"; git log --pretty=format:%cd -n 1 ${GIT_TIMESTAMP_ARG}) ]]; then
return $NO_REBUILD
else
return $REBUILD
fi
}
build_nim() {
echo -e "$NIM_BUILD_MSG"
[[ "$V" == "0" ]] && exec &>/dev/null
# working directory
pushd "$NIM_DIR"
# Git repos for csources and Nimble
if [[ ! -d "$CSOURCES_DIR" ]]; then
mkdir -p "$CSOURCES_DIR"
pushd "$CSOURCES_DIR"
git clone https://github.com/nim-lang/csources.git .
git checkout $CSOURCES_COMMIT
popd
fi
if [[ "$CSOURCES_DIR" != "csources" ]]; then
rm -rf csources
ln -s "$CSOURCES_DIR" csources
fi
if [[ ! -d "$NIMBLE_DIR" ]]; then
mkdir -p "$NIMBLE_DIR"
pushd "$NIMBLE_DIR"
git clone https://github.com/nim-lang/nimble.git .
git checkout $NIMBLE_COMMIT
# we have to delete .git or koch.nim will checkout a branch tip, overriding our target commit
rm -rf .git
popd
fi
if [[ "$NIMBLE_DIR" != "dist/nimble" ]]; then
mkdir -p dist
rm -rf dist/nimble
ln -s ../"$NIMBLE_DIR" dist/nimble
fi
# bootstrap the Nim compiler and build the tools
rm -rf bin/nim_csources
pushd csources
if [[ "$ON_WINDOWS" == "0" ]]; then
$MAKE clean
$MAKE LD=$CC
else
$MAKE myos=windows $UCPU clean
$MAKE myos=windows $UCPU CC=gcc LD=gcc
fi
popd
if [[ -e csources/bin ]]; then
cp -a csources/bin/nim bin/nim
cp -a csources/bin/nim bin/nim_csources
rm -rf csources/bin
else
cp -a bin/nim bin/nim_csources
fi
sed \
-e 's/koch$/--warnings:off --hints:off koch/' \
-e 's/koch boot/koch boot --warnings:off --hints:off/' \
-e 's/koch tools/koch --stable tools --warnings:off --hints:off/' \
build_all.sh > build_all_custom.sh
sh build_all_custom.sh
rm build_all_custom.sh
# record the last commit's timestamp
git log --pretty=format:%cd -n 1 ${GIT_TIMESTAMP_ARG} > bin/timestamp
# update the CI cache
popd # we were in $NIM_DIR
if [[ -n "$CI_CACHE" ]]; then
rm -rf "$CI_CACHE"
mkdir "$CI_CACHE"
cp -a "$NIM_DIR"/bin/* "$CI_CACHE"/
fi
}
if nim_needs_rebuilding; then
build_nim
fi