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path: root/tcwg-llvm-release.sh
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#!/usr/bin/env bash

# This script does the LLVM release process by checking out the appropriate
# test-release.sh script and running it. You may want to call this script from
# a jenkins job that run natively on ARM/AArch64 and triggers a test-suite
# build afterwards.

set -exu
set -o pipefail

BASEDIR=$(dirname "$(readlink -f "$0")")
# shellcheck disable=SC1090
. "$BASEDIR/tcwg-llvm-common.sh"

# Syntax
SYN_WORKSPACE="--workspace=/path/to/workspace"
SYN_RELEASE="--release=M.m.p"
SYN_CANDIDATE="--candidate=N (or 'final' or 'branch=*')"
SYN_BUILDJOBS="--buildjobs=N (def. CPUS)"
SYN_TOOLCHAIN="--toolchain=http://url/for/tarball"
SYN_TOOLCHAIN_FILE="--toolchain-file=<file-name> (file name to copy the produced toolchain file name)"
SYN_COMPILER="--compiler=clang|gcc"
SYN_USENINJA="--use-ninja=true|false"
SYNTAX="$0 $SYN_WORKSPACE $SYN_RELEASE $SYN_CANDIDATE $SYN_TOOLCHAIN $SYN_TOOLCHAIN_FILE $SYN_COMPILER $SYN_USENINJA"

# Environment Variables and default values
WORKSPACE=$(pwd)
RELEASE=""
CANDIDATE=""
RCCALL=""
RCTAG=""
RCDIR=""
CPUS=$(nproc --all)
BUILDJOBS=$CPUS
TOOLCHAIN=""
TOOLCHAIN_FILE=""
USENINJA="-use-ninja"

# Command line parsing
while [ "$#" -gt 0 ]; do
    ARG=$(echo "$1" | cut -d "=" -f 1)
    VAL=$(echo "$1" | cut -d "=" -s -f 2-)
    case "$ARG" in
      --release)
        RELEASE="$VAL"
        if ! echo "$RELEASE" | grep -E -q "^[0-9]+\\.[0-9]\\.[0-9]"; then
          echo "ERROR: $1"
          echo "Syntax: $SYN_RELEASE"
          exit 1
        fi
        shift ;;
      --candidate)
        CANDIDATE="$VAL"
	case "$CANDIDATE" in
          final)
            RCCALL="-final"
            RCTAG=""
            RCDIR="final";;
          git-ref=*)
            GITREF="${CANDIDATE#git-ref=}"
            RCCALL="-git-ref $GITREF"
            RCTAG=""
            RCDIR="`echo $GITREF | sed -e 's,/,_,g'`";;
          *)
            if [[ "$CANDIDATE" -gt 0 ]]; then
              RCCALL="-rc $CANDIDATE"
              RCTAG="-rc$CANDIDATE"
              RCDIR="rc$CANDIDATE"
            else
              echo "ERROR: $1"
              echo "Syntax: $SYN_CANDIDATE"
              exit 1
            fi;;
        esac
        shift ;;
      --workspace)
        if [ -d "$VAL" ]; then
          WORKSPACE="$VAL"
        else
          echo "ERROR: $1"
          echo "Syntax: $SYN_WORKSPACE"
          exit 1
        fi
        shift ;;
      --buildjobs)
        if [ "$VAL" -gt 0 ]; then
          BUILDJOBS="$VAL"
        else
          echo "ERROR: Build jobs '$VAL' not valid"
          echo "Syntax: $SYN_BUILDJOBS"
          exit 1
        fi
        shift ;;
      --toolchain)
        download_toolchain "$WORKSPACE" "$VAL"
        shift ;;
      --compiler)
        set_compiler "$VAL"
        shift ;;
      --toolchain-file)
        if [ "$VAL" != "" ]; then
          TOOLCHAIN_FILE="$VAL"
        else
          echo "ERROR: Toolchain file '$VAL' not valid"
          echo "Syntax: $SYN_TOOLCHAIN_FILE"
          exit 1
        fi
        shift ;;
      --use-ninja)
        if [ "$VAL" == "false" ]; then
          USENINJA=""
        fi
        shift ;;
      *)
        echo "ERROR: Invalid argument '$1'"
        echo "Syntax: $SYNTAX"
        exit 1
        ;;
    esac
done

# Validate options
if [ "$RELEASE" = "" ] || [ "$CANDIDATE" = "" ]; then
  echo "ERROR: Missing release or candidate"
  echo "$SYNTAX"
  exit 1
fi
if [ "$WORKSPACE" = "" ] || [ ! -d "$WORKSPACE" ]; then
  echo "ERROR: Missing workspace"
  echo "$SYNTAX"
  exit 1
fi
if [ "$BUILDJOBS" = "" ]; then
  echo "ERROR: Missing number of build jobs"
  echo "$SYNTAX"
  exit 1
fi

# Additional Options
PLATFORM=$(uname -m)
OPENMP=""
MLIR=""
FLANG="-flang"
TARGET="$PLATFORM-linux-gnu"
LIMITLINKJOBS=""
if echo "$PLATFORM" | grep -qi "armv7"; then
  TARGET="armv7a-linux-gnueabihf"
  OPENMP="-no-openmp"
  MLIR="-no-mlir"
  FLANG=""
  if [ x"$USENINJA" != x"" ]; then
    LIMITLINKJOBS="-configure-flags -DLLVM_PARALLEL_LINK_JOBS=$LINKJOBS"
  fi
elif ! echo "$PLATFORM" | grep -qi "aarch64" && \
     ! echo "$PLATFORM" | grep -qi "x86_64"; then
  echo "ERROR: Don't recognise PLATFORM $PLATFORM"
  exit 1
fi

# Dump
echo "RELEASE = $RELEASE"
echo "CANDIDATE = $CANDIDATE"
echo "RCCALL = $RCCALL"
echo "RCTAG = $RCTAG"
echo "RCDIR = $RCDIR"
echo "BUILDJOBS = $BUILDJOBS"
echo "TOOLCHAIN = $TOOLCHAIN"
echo "CC = $CC"
echo "CXX = $CXX"
echo "TARGET=$TARGET"

# Logs
LOGBASE="$WORKSPACE/tcwg-llvm"
LOGEXT="txt"

# Release script
RELEASE_SCRIPT="test-release.sh"
RELEASE_TAG="llvmorg-${RELEASE}${RCTAG}"
SCRIPT_URL=https://raw.githubusercontent.com/llvm/llvm-project/$RELEASE_TAG/llvm/utils/release/$RELEASE_SCRIPT
(
  cd "$WORKSPACE"
  curl -o "$RELEASE_SCRIPT" "$SCRIPT_URL"
  chmod +x $RELEASE_SCRIPT
)

# Call script
#  - ignoring the return value until the end, because of set -e
#  - we want to push the binary public on success or failre
result=0
(
  cd "$WORKSPACE" && LC_ALL=C ./$RELEASE_SCRIPT -release $RELEASE $RCCALL -triple $TARGET -j$BUILDJOBS $OPENMP $MLIR $FLANG $USENINJA $LIMITLINKJOBS |& tee "$LOGBASE-release.$LOGEXT"
) &
wait $! || result=$?

PKGTAG="$RELEASE$RCTAG"
PKGNAME="$(push_binary_name "$PKGTAG" "$TARGET")"
PUSHTYPE="releases"
PUSHDIR="$(push_binary_dir "$PUSHTYPE")"

# Ship
mkdir "$WORKSPACE/artifacts"
cp "$WORKSPACE/$RCDIR/$PKGNAME.$PUSHSUFFIX" "$WORKSPACE/artifacts/"

# Force port 22, otherwise our .ssh/config will connect to the host container by
# default and we won't be able to access the upload directory
ssh -p 22 $PUSHSERVER mkdir -p $PUSHDIR
cd "$WORKSPACE/$RCDIR" && scp -P 22 "$PKGNAME.$PUSHSUFFIX" "$(push_scp_url "$PUSHTYPE")"

# Dump URL
echo "TOOLCHAIN URL: $(push_wget_url "$PKGTAG" "$TARGET" "$PUSHTYPE")"

# Create toolchain file (wget URL)
if [ "$TOOLCHAIN_FILE" != "" ]; then
  echo "toolchain=$(push_wget_url "$PKGTAG" "$TARGET" "$PUSHTYPE")" >> "$TOOLCHAIN_FILE"
fi

exit $result