312 lines
9.8 KiB
Bash
312 lines
9.8 KiB
Bash
#!/usr/bin/env bash
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# used in Travis CI and AppVeyor scripts
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# Copyright (c) 2018-2020 Status Research & Development GmbH. Licensed under
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# either of:
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# - Apache License, version 2.0
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# - MIT license
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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set -e
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# Git commits
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: ${CSOURCES_V1_COMMIT:=a8a5241f9475099c823cfe1a5e0ca4022ac201ff}
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: ${CSOURCES_V2_COMMIT:=86742fb02c6606ab01a532a0085784effb2e753e}
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: ${CSOURCES_V1_REPO:=https://github.com/nim-lang/csources_v1.git}
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: ${CSOURCES_V2_REPO:=https://github.com/nim-lang/csources_v2.git}
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# After this Nim commit, use csources v2
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: ${CSOURCES_V2_START_COMMIT:=f7c203fb6c89b5cef83c4f326aeb23ef8c4a2c40}
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: ${NIMBLE_COMMIT:=3575fd54a890d910ace56678aa74b4237d604175} # 0.14.2
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# NIM_COMMIT could be a (partial) commit hash, a tag, a branch name, etc. Empty by default.
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NIM_COMMIT_HASH="" # full hash for NIM_COMMIT, retrieved in "nim_needs_rebuilding()"
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# script arguments
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[[ $# -ne 4 ]] && { echo "Usage: $0 nim_dir csources_dir nimble_dir ci_cache_dir"; exit 1; }
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NIM_DIR="$1"
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CSOURCES_DIR="$2" # can be relative to NIM_DIR
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NIMBLE_DIR="$3" # can be relative to NIM_DIR
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CI_CACHE="$4"
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## env vars
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# verbosity level
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[[ -z "$V" ]] && V=0
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[[ -z "$CC" ]] && CC="gcc"
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# to build csources in parallel, set MAKE="make -jN"
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[[ -z "$MAKE" ]] && MAKE="make"
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# for 32-bit binaries on a 64-bit host
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UCPU=""
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[[ "$ARCH_OVERRIDE" == "x86" ]] && UCPU="ucpu=i686"
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[[ -z "$NIM_BUILD_MSG" ]] && NIM_BUILD_MSG="Building the Nim compiler"
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[[ -z "$QUICK_AND_DIRTY_COMPILER" ]] && QUICK_AND_DIRTY_COMPILER=0
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[[ -z "$QUICK_AND_DIRTY_NIMBLE" ]] && QUICK_AND_DIRTY_NIMBLE=0
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# Windows detection
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if uname | grep -qiE "mingw|msys"; then
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ON_WINDOWS=1
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EXE_SUFFIX=".exe"
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# otherwise it fails in AppVeyor due to https://github.com/git-for-windows/git/issues/2495
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GIT_TIMESTAMP_ARG="--date=unix" # available since Git 2.9.4
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else
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ON_WINDOWS=0
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EXE_SUFFIX=""
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GIT_TIMESTAMP_ARG="--date=format-local:%s" # available since Git 2.7.0
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fi
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NIM_BINARY="${NIM_DIR}/bin/nim${EXE_SUFFIX}"
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MAX_NIM_BINARIES="10" # Old ones get deleted.
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nim_needs_rebuilding() {
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REBUILD=0
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NO_REBUILD=1
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echo "Nim is being rebuilt..."
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if [[ ! -e "$NIM_DIR" ]]; then
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# Shallow clone, optimised for the default NIM_COMMIT value.
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git clone -q --depth=1 https://github.com/status-im/Nim.git "$NIM_DIR"
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fi
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pushd "${NIM_DIR}" >/dev/null
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if [[ -n "${NIM_COMMIT}" ]]; then
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# support old Git versions, like the one from Ubuntu-18.04
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git restore . 2>/dev/null || git reset --hard
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if ! git checkout -q ${NIM_COMMIT} 2>/dev/null; then
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# Pay the price for a non-default NIM_COMMIT here, by fetching everything.
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# (This includes upstream branches and tags that might be missing from our fork.)
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git remote add upstream https://github.com/nim-lang/Nim
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git fetch --all --tags --quiet
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git checkout -q ${NIM_COMMIT}
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fi
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# In case the local branch diverged and a fast-forward merge is not possible.
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git fetch || true
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git reset -q --hard origin/${NIM_COMMIT} 2>/dev/null || true
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# In case NIM_COMMIT is a local branch that's behind the remote one it's tracking.
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git pull -q 2>/dev/null || true
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git checkout -q ${NIM_COMMIT}
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# We can't use "rev-parse" here, because it would return the tag object's
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# hash instead of the commit hash, when NIM_COMMIT is a tag.
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NIM_COMMIT_HASH="$(git rev-list -n 1 ${NIM_COMMIT})"
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else
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# NIM_COMMIT is empty, so assume the commit we need is already checked out
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NIM_COMMIT_HASH="$(git rev-list -n 1 HEAD)"
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fi
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popd >/dev/null
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if [[ ! -d "$NIMBLE_DIR" ]]; then
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echo "Downloading Nimble sources..."
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echo $(pwd)
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mkdir -p "$NIMBLE_DIR"
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pushd "$NIMBLE_DIR"
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git clone https://github.com/nim-lang/nimble.git .
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git checkout $NIMBLE_COMMIT
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# we have to delete .git or koch.nim will checkout a branch tip, overriding our target commit
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rm -rf .git
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popd
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fi
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if [[ "$NIMBLE_DIR" != "dist/nimble" ]]; then
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mkdir -p dist
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rm -rf dist/nimble
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ln -s ../"$NIMBLE_DIR" dist/nimble
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fi
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if [[ -n "$CI_CACHE" && -d "$CI_CACHE" ]]; then
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cp -a "$CI_CACHE"/* "$NIM_DIR"/bin/ || true # let this one fail with an empty cache dir
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fi
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# Delete old Nim binaries, to put a limit on how much storage we use.
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for F in "$(ls -t "${NIM_DIR}"/bin/nim_commit_* 2>/dev/null | tail -n +$((MAX_NIM_BINARIES + 1)))"; do
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if [[ -e "${F}" ]]; then
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rm "${F}"
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fi
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done
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# Compare the last built commit to the one requested.
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# Handle the scenario where our symlink is manually deleted by the user.
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if [[ -e "${NIM_DIR}/bin/last_built_commit" && \
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-e "${NIM_DIR}/bin/nim${EXE_SUFFIX}" && \
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"$(cat "${NIM_DIR}/bin/last_built_commit")" == "${NIM_COMMIT_HASH}" ]]; then
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return $NO_REBUILD
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elif [[ -e "${NIM_DIR}/bin/nim_commit_${NIM_COMMIT_HASH}" ]]; then
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# we built the requested commit in the past, so we simply reuse it
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rm -f "${NIM_DIR}/bin/nim${EXE_SUFFIX}"
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ln -s "nim_commit_${NIM_COMMIT_HASH}" "${NIM_DIR}/bin/nim${EXE_SUFFIX}"
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echo ${NIM_COMMIT_HASH} > "${NIM_DIR}/bin/last_built_commit"
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return $NO_REBUILD
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else
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return $REBUILD
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fi
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}
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build_nim() {
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echo -e "$NIM_BUILD_MSG"
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[[ "$V" == "0" ]] && exec &>/dev/null
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# working directory
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pushd "$NIM_DIR"
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echo "Running build_nim"
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if grep -q skipIntegrityCheck koch.nim; then
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# Run Nim buildchain
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. ci/funs.sh
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echo "Building with default buildchain"
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NIMCORES=1 nimBuildCsourcesIfNeeded $UCPU
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bin/nim c --noNimblePath --skipUserCfg --skipParentCfg --warnings:off --hints:off koch
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./koch --skipIntegrityCheck boot -d:release --skipUserCfg --skipParentCfg --warnings:off --hints:off
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if [[ "${QUICK_AND_DIRTY_COMPILER}" == "0" ]]; then
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# We want tools
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./koch tools -d:release --skipUserCfg --skipParentCfg --warnings:off --hints:off
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elif [[ "${QUICK_AND_DIRTY_NIMBLE}" != "0" ]]; then
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# We just want nimble
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./koch nimble -d:release --skipUserCfg --skipParentCfg --warnings:off --hints:off
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fi
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else
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# Custom buildchain for older versions
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# TODO Remove this once the default NIM_COMMIT supports `--skipIntegrityCheck`
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# We will still be able to compile older versions by removing the flag,
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# which will just waste a bit of CPU
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echo "Building with custom buildchain"
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# Git repos for csources and Nimble
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if [[ ! -d "$CSOURCES_DIR" ]]; then
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if git merge-base --is-ancestor $CSOURCES_V2_START_COMMIT $NIM_COMMIT_HASH; then
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CSOURCES_REPO=$CSOURCES_V2_REPO
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CSOURCES_COMMIT=$CSOURCES_V2_COMMIT
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else
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CSOURCES_REPO=$CSOURCES_V1_REPO
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CSOURCES_COMMIT=$CSOURCES_V1_COMMIT
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fi
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mkdir -p "$CSOURCES_DIR"
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pushd "$CSOURCES_DIR"
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git clone $CSOURCES_REPO .
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git checkout $CSOURCES_COMMIT
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popd
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fi
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if [[ "$CSOURCES_DIR" != "csources" ]]; then
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rm -rf csources
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ln -s "$CSOURCES_DIR" csources
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fi
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if [[ ! -d "$NIMBLE_DIR" ]]; then
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mkdir -p "$NIMBLE_DIR"
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pushd "$NIMBLE_DIR"
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git clone https://github.com/nim-lang/nimble.git .
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git checkout $NIMBLE_COMMIT
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# we have to delete .git or koch.nim will checkout a branch tip, overriding our target commit
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rm -rf .git
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popd
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fi
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if [[ "$NIMBLE_DIR" != "dist/nimble" ]]; then
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mkdir -p dist
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rm -rf dist/nimble
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ln -s ../"$NIMBLE_DIR" dist/nimble
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fi
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# bootstrap the Nim compiler and build the tools
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rm -f bin/{nim,nim_csources}
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pushd csources
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if [[ "$ON_WINDOWS" == "0" ]]; then
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$MAKE $UCPU clean
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$MAKE $UCPU LD=$CC
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else
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$MAKE myos=windows $UCPU clean
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$MAKE myos=windows $UCPU CC=gcc LD=gcc
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fi
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popd
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if [[ -e csources/bin ]]; then
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rm -f bin/nim bin/nim_csources
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cp -a csources/bin/nim bin/nim
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cp -a csources/bin/nim bin/nim_csources
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rm -rf csources/bin
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else
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cp -a bin/nim bin/nim_csources
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fi
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if [[ "$QUICK_AND_DIRTY_COMPILER" == "0" ]]; then
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sed \
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-e 's/koch$/--warnings:off --hints:off koch/' \
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-e 's/koch boot/koch boot --warnings:off --hints:off/' \
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-e '/nimBuildCsourcesIfNeeded/d' \
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build_all.sh > build_all_custom.sh
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sh build_all_custom.sh
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rm build_all_custom.sh
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else
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# Don't re-build it multiple times until we get identical
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# binaries, like "build_all.sh" does. Don't build any tools
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# either. This is all about build speed, not developer comfort.
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bin/nim_csources \
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c \
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--compileOnly \
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--nimcache:nimcache \
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-d:release \
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--skipUserCfg \
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--skipParentCfg \
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--warnings:off \
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--hints:off \
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compiler/nim.nim
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bin/nim_csources \
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jsonscript \
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--nimcache:nimcache \
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--skipUserCfg \
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--skipParentCfg \
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compiler/nim.nim
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cp -a compiler/nim bin/nim1
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# If we stop here, we risk ending up with a buggy compiler:
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# https://github.com/status-im/nimbus-eth2/pull/2220
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# https://github.com/status-im/nimbus-eth2/issues/2310
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bin/nim1 \
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c \
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--compileOnly \
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--nimcache:nimcache \
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-d:release \
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--skipUserCfg \
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--skipParentCfg \
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--warnings:off \
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--hints:off \
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compiler/nim.nim
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bin/nim1 \
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jsonscript \
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--nimcache:nimcache \
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--skipUserCfg \
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--skipParentCfg \
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compiler/nim.nim
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rm -f bin/nim
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cp -a compiler/nim bin/nim
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rm bin/nim1
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# Do we want Nimble in this quick build?
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if [[ "${QUICK_AND_DIRTY_NIMBLE}" != "0" ]]; then
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bin/nim c -d:release --noNimblePath --skipUserCfg --skipParentCfg dist/nimble/src/nimble.nim
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mv dist/nimble/src/nimble bin/
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fi
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fi
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fi
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if [[ "$QUICK_AND_DIRTY_COMPILER" == "0" || "${QUICK_AND_DIRTY_NIMBLE}" != "0" ]]; then
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# Nimble needs a CA cert
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rm -f bin/cacert.pem
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curl -LsS -o bin/cacert.pem https://curl.se/ca/cacert.pem || echo "Warning: 'curl' failed to download a CA cert needed by Nimble. Ignoring it."
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fi
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# record the built commit
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echo ${NIM_COMMIT_HASH} > bin/last_built_commit
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# create the symlink
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mv bin/nim bin/nim_commit_${NIM_COMMIT_HASH}
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ln -s nim_commit_${NIM_COMMIT_HASH} bin/nim${EXE_SUFFIX}
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# update the CI cache
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popd # we were in $NIM_DIR
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if [[ -n "$CI_CACHE" ]]; then
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rm -rf "$CI_CACHE"
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mkdir "$CI_CACHE"
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cp "$NIM_DIR"/bin/* "$CI_CACHE"/
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fi
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}
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if nim_needs_rebuilding; then
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build_nim
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fi
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