#!/usr/bin/env bash

# Set the PATHS
GOPATH="$(go env GOPATH)"

# Lux docker hub
DOCKERHUB_REPO="luxdefi/node"

# if this isn't a git repository (say building from a release), don't set our git constants.
if [ ! -d .git ]; then
    CURRENT_BRANCH=""
    SUBNET_EVM_COMMIT=""
    SUBNET_EVM_COMMIT_ID=""
else
    # Current branch
    CURRENT_BRANCH=${CURRENT_BRANCH:-$(git describe --tags --exact-match 2>/dev/null || git symbolic-ref -q --short HEAD || git rev-parse --short HEAD || :)}

    # Image build id
    #
    # Use an abbreviated version of the full commit to tag the image.
    # WARNING: this will use the most recent commit even if there are un-committed changes present
    SUBNET_EVM_COMMIT="$(git --git-dir="$SUBNET_EVM_PATH/.git" rev-parse HEAD || :)"
    SUBNET_EVM_COMMIT_ID="${SUBNET_EVM_COMMIT::8}"
fi

echo "Using branch: ${CURRENT_BRANCH}"

# Static compilation
STATIC_LD_FLAGS=''
if [ "${STATIC_COMPILATION:-}" = 1 ]; then
    export CC=musl-gcc
    command -v $CC || (echo $CC must be available for static compilation && exit 1)
    STATIC_LD_FLAGS=' -extldflags "-static" -linkmode external '
fi

# Set the CGO flags to use the portable version of BLST
#
# We use "export" here instead of just setting a bash variable because we need
# to pass this flag to all child processes spawned by the shell.
export CGO_CFLAGS="-O2 -D__BLST_PORTABLE__"