build-release.sh

#!/bin/bash

set -e

SRC=$(realpath $(cd -P "$(dirname "${BASH_SOURCE[0]}")" && pwd))

VER=
BUILD=$SRC/build
STATIC=0
FORCE=0

OPTIND=1
while getopts "b:v:sfr" opt; do
case "$opt" in
  b) BUILD=$OPTARG ;;
  v) VER=$OPTARG ;;
  s) STATIC=1 ;;
  f) FORCE=1 ;;
  r)
    # get latest tag version
    pushd $SRC &> /dev/null
    VER=$(git tag -l|grep -E '^v[0-9]+\.[0-9]+\.[0-9]+(\.[0-9]+)?$'|sort -r -V|head -1||:)
    popd &> /dev/null
  ;;
esac
done

# neither -v or -r specified, set FORCE and VER
if [ "$VER" = "" ]; then
  VER=0.0.0-dev
  FORCE=1
fi

PLATFORM=$(uname|sed -e 's/_.*//'|tr '[:upper:]' '[:lower:]'|sed -e 's/^\(msys\|mingw\).*/windows/')
ARCH=amd64
NAME=$(basename $SRC)
VER="${VER#v}"
EXT=tar.bz2
DIR=$BUILD/$PLATFORM/$VER
BIN=$DIR/$NAME

TAGS=(
  most
  sqlite_app_armor
  sqlite_fts5
  sqlite_introspect
  sqlite_json1
  sqlite_stat4
  sqlite_userauth
  sqlite_vtable
)
case $PLATFORM in
  darwin|linux)
    TAGS+=(no_adodb)
  ;;
  windows)
    EXT=zip
    BIN=$BIN.exe
  ;;
esac
OUT=$DIR/$NAME-$VER-$PLATFORM-$ARCH.$EXT

LDFLAGS=(
  -s
  -w
  -X github.com/xo/usql/text.CommandName=$NAME
  -X github.com/xo/usql/text.CommandVersion=$VER
)

if [ "$STATIC" = "1" ]; then
  OUT=$DIR/${NAME}_static-$VER-$PLATFORM-$ARCH.$EXT
  BIN=$DIR/${NAME}_static
  case $PLATFORM in
    linux)
      TAGS+=(
        netgo
        osusergo
      )
      EXTLDFLAGS=(
        -static
        -lm
        -ldl
      )
      EXTLDFLAGS="${EXTLDFLAGS[@]}"
      LDFLAGS+=(
        -linkmode=external
        -extldflags \'$EXTLDFLAGS\'
        -extld g++
      )
    ;;
    *)
      echo "error: fully static builds not currently supported for $PLATFORM"
      exit 1
    ;;
  esac
fi

# check not overwriting existing build artifacts
if [[ -e $OUT && "$FORCE" != "1" ]]; then
  echo "error: $OUT exists and FORCE!=1 (try $0 -f)"
  exit 1
fi

TAGS="${TAGS[@]}"
LDFLAGS="${LDFLAGS[@]}"

log() {
  cat - | while read -r message; do
    echo "$1$message"
  done
}

echo "APP:         $NAME/${VER} ($PLATFORM/$ARCH)"
if [ "$STATIC" = "1" ]; then
  echo "STATIC:      yes"
fi
echo "BUILD TAGS:  $TAGS"
echo "LDFLAGS:     $LDFLAGS"

pushd $SRC &> /dev/null
if [ -f $OUT ]; then
  echo "REMOVING:    $OUT"
  rm -rf $OUT
fi
mkdir -p $DIR
echo "BUILDING:    $BIN"

# build
echo "BUILD:"
(set -x;
  go build \
    -tags="$TAGS" \
    -ldflags="$LDFLAGS" \
    -o $BIN
) 2>&1 | log '    '

# strip
case $PLATFORM in
  linux|windows|darwin)
    echo "STRIPPING:   $BIN"
    strip $BIN
  ;;
esac

# compress
case $PLATFORM in
  linux|windows|darwin)
    COMPRESSED=$(upx -q -q $BIN|awk '{print $1 " -> " $3 " (" $4 ")"}')
    echo "COMPRESSED:  $COMPRESSED"
  ;;
esac

# check build
BUILT_VER=$($BIN --version)
if [ "$BUILT_VER" != "$NAME ${VER#v}" ]; then
  echo -e "\n\nerror: expected $NAME --version to report '$NAME ${VER#v}', got: '$BUILT_VER'"
  exit 1
fi
echo "REPORTED:    $BUILT_VER"
case $EXT in
  tar.bz2)
    tar -C $DIR -cjf $OUT $(basename $BIN)
  ;;
  zip)
    zip $OUT -j $BIN
  ;;
esac
echo "PACKED:      $OUT ($(du -sh $OUT|awk '{print $1}'))"
popd &> /dev/null