tg-init-build-env

#!/bin/bash

platform="$1"

# shellcheck disable=SC2128
if [ -n "$BASH_SOURCE" ]; then
    THIS_SCRIPT=$BASH_SOURCE
elif [ -n "$ZSH_NAME" ]; then
    THIS_SCRIPT=$0
else
    THIS_SCRIPT="$(pwd)/tg-init-build-env"
fi

if [ -z "$ZSH_NAME" ] && [ "$0" = "$THIS_SCRIPT" ]; then
    # shellcheck disable=SC2145
    echo "Error: This script needs to be sourced. Please run as '. $THIS_SCRIPT $@'"
    return 1
fi
ABS_OEROOT="$(dirname "$(realpath "$THIS_SCRIPT")")"
unset THIS_SCRIPT

# Make sure yocto has been synced first.
if [ ! -e "${ABS_OEROOT}/yocto/poky/oe-init-build-env" ]; then
    echo "Error: yocto/poky is not populated yet."
    echo "Use \`sync_yocto.sh\` to sync the yocto repositories before building."
    return 1
fi

# Double check to see if yocto needs a resync
REVPOKY=$(cd "${ABS_OEROOT}/yocto/poky" && git rev-parse HEAD)
REVMOE=$(cd "${ABS_OEROOT}/yocto/meta-openembedded" && git rev-parse HEAD)
. ${ABS_OEROOT}/utils/sync_yocto_utils.sh
if [ "${POKY_COMMIT}" != "${REVPOKY}" ] || [ "${OE_COMMIT}" != "${REVMOE}" ]; then
    echo "yocto/poky or yocto/meta-openembedded are out of date."
    echo "Use \`sync_yocto.sh.\` to resync them."
    echo "A clean build is also recommended."
    return 1
fi

# Make sure specific BSP is set
if [ -z "$1" ]; then
    echo "A specific BSP must be provided:"
    echo "e.g.:"
    echo "    . tg-init-build-env meta-x86"
    return 1
fi
if [ -d "${ABS_OEROOT}/$1" ]; then
    TEMPLATECONF="${ABS_OEROOT}/$1/conf"
elif [ -d "${ABS_OEROOT}/meta-$1" ]; then
    TEMPLATECONF="${ABS_OEROOT}/meta-$1/conf"
else
    echo "Neither ${ABS_OEROOT}/$1 nor ${ABS_OEROOT}/meta-$1 exists"
    return 1
fi

if [ -d "${ABS_OEROOT}/facebook.enabled/workaround-bin" ]; then
    PATH="$(realpath ${ABS_OEROOT}/facebook.enabled/workaround-bin):$PATH"
fi

export TEMPLATECONF
shift 1

echo "Init build environment for platform '${platform}'"
unset platform
# shellcheck disable=SC2068
. "${ABS_OEROOT}/yocto/poky/oe-init-build-env" $@