nimbus-eth1/build_nim.sh

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#!/bin/bash
set -e
# Git commits
CSOURCES_COMMIT="b56e49bbedf62db22eb26388f98262e2948b2cbc" # 0.19.0
NIMBLE_COMMIT="c8d79fc0228682677330a9f57d14389aaa641153" # Mar 26 10:06:06 2019
# script arguments
[[ $# -ne 4 ]] && { echo "usage: $0 nim_dir csources_dir nimble_dir ci_cache_dir"; exit 1; }
NIM_DIR="$1"
CSOURCES_DIR="$2"
NIMBLE_DIR="$3"
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 -qi mingw; then
ON_WINDOWS=1
EXE_SUFFIX=".exe"
else
ON_WINDOWS=0
EXE_SUFFIX=""
fi
NIM_BINARY="${NIM_DIR}/bin/nim${EXE_SUFFIX}"
nim_needs_rebuilding() {
REBUILD=0
NO_REBUILD=1
if [[ -n "$CI_CACHE" && -d "$CI_CACHE" ]]; then
if [[ ! -e "$NIM_DIR" ]]; then
git clone --depth=1 https://github.com/status-im/Nim.git "$NIM_DIR"
fi
cp -a "$CI_CACHE"/* "$NIM_DIR"/bin/
fi
# compare binary mtime to the date of the last commit (keep in mind that Git doesn't preserve file timestamps)
if [[ -e "$NIM_BINARY" && $(stat -c%Y "$NIM_BINARY") -gt $(cd "$NIM_DIR"; git log --pretty=format:%cd -n 1 --date=unix) ]]; then
return $NO_REBUILD
else
return $REBUILD
fi
}
build_nim() {
echo -e "$NIM_BUILD_MSG"
[[ "$V" == "0" ]] && exec &>/dev/null
# working directory
cd "$NIM_DIR"
# Git repos for csources and Nimble
if [[ ! -d "$CSOURCES_DIR" ]]; then
mkdir -p "$CSOURCES_DIR"
cd "$CSOURCES_DIR"
git clone https://github.com/nim-lang/csources.git .
git checkout $CSOURCES_COMMIT
cd - >/dev/null
fi
if [[ "$CSOURCES_DIR" != "csources" ]]; then
rm -rf csources
ln -s "$CSOURCES_DIR" csources
fi
if [[ ! -d "$NIMBLE_DIR" ]]; then
mkdir -p "$NIMBLE_DIR"
cd "$NIMBLE_DIR"
git clone https://github.com/nim-lang/nimble.git .
git checkout $NIMBLE_COMMIT
# we have to delete .git or koch.nim will checkout a branch tip, overriding our target commit
rm -rf .git
cd - >/dev/null
fi
if [[ "$NIMBLE_DIR" != "dist/nimble" ]]; then
mkdir -p dist
rm -rf dist/nimble
ln -s ../"$NIMBLE_DIR" dist/nimble
fi
# bootstrap the Nim compiler and build the tools
rm -rf bin/nim_csources
cd csources
if [[ "$ON_WINDOWS" == "0" ]]; then
$MAKE clean
$MAKE LD=$CC
else
$MAKE myos=windows $UCPU clean
$MAKE myos=windows $UCPU CC=gcc LD=gcc
fi
cd - >/dev/null
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 's/koch tools/koch --stable tools/' build_all.sh > build_all_custom.sh
sh build_all_custom.sh
rm build_all_custom.sh
# update the CI cache
cd - >/dev/null # 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