# echo "POST-CHECKOUT"
# echo "PREV-HEAD=$1"
# echo "CURR-HEAD=$2"
# echo "BRANCH-CHECKOUT=$3"

readonly ch_file="/opt/app/tools/atbupdate/checkout_history"
readonly update_log_file="/opt/app/tools/atbupdate/update_log.csv"

if [ -f $ch_file ]; then
    # repo: customer_281
    readonly repo=$(basename $(git rev-parse --show-toplevel))
    # branch: customer_281:HEAD->zg1/zone1,origin/zg1/zone1 
    readonly branch=$(git log --graph --all --decorate $2 | head -n 1 | sed -E -e 's/(.*?)\((.*)\)/\2/g' | sed -E -e s/[[:space:]]//g)
    readonly line="$repo:$branch"
    readonly now="$(date +%Y-%m-%dT%T)"
    if ! grep -Eq "$line" $ch_file; then
        # line not found. first checkout of this branch (on this PSA).
        # mark dc and print-templates to be downloaded by update-tool.
        # mark opkg_commdands-file to be executed by update-tool.
        echo $line >> $ch_file
        echo "DOWNLOAD, /etc/dc/dc2c.4.21.bin, $now, N/A" >> $update_log_file
        echo "DOWNLOAD, /etc/psa_config/DC2C_print01.json, $now, N/A" >> $update_log_file
        echo "DOWNLOAD, /etc/psa_config/DC2C_print02.json, $now, N/A" >> $update_log_file
        echo "DOWNLOAD, /etc/psa_config/DC2C_print03.json, $now, N/A" >> $update_log_file
        echo "DOWNLOAD, /etc/psa_config/DC2C_print04.json, $now, N/A" >> $update_log_file
        echo "DOWNLOAD, /etc/psa_config/DC2C_print29.json, $now, N/A" >> $update_log_file
        echo "DOWNLOAD, /etc/psa_config/DC2C_print32.json, $now, N/A" >> $update_log_file
        echo "EXECUTE, /etc/psa_update/opkg_commands, $now, N/A" >> $update_log_file
    else
        echo "Found existing line: $line. Do nothing"
    fi
else
    echo "*******************************************************"
    echo "          $ch_file DOES NOT EXIST !!!                  "
    echo "*******************************************************"
fi