adpn-workflow-do

#!/bin/bash
#
# adpn-workflow-do: script to handle adpn workflow commands
#
# @version 2021.0918

SCRIPTPATH="$(which "$0")"
SCRIPTPATH="$( readlink --canonicalize "${SCRIPTPATH}" )"
SCRIPTDIR="$(dirname "${SCRIPTPATH}")"
SCRIPT="$(basename "${SCRIPTPATH}")"

source "${SCRIPTDIR}/adpn-define-aliases"
source "${SCRIPTDIR}/adpn-workflow-aliases"

__USAGE__="Usage: ${SCRIPT} [--version] [--help] <CMD> [<ARGS>]"
__HELP__="[${SCRIPT}] Try '${SCRIPT} help' for more information."
__DOC__="""${__USAGE__}

  --version 	Display the version of the script
  --help    	Display these usage notes

The most commonly used ${SCRIPT} commands are:
  verify       	Verify that an AU's parameters are complete and correct
               	and its start URL is accessible to the LOCKSS workflow.
  
Exit codes:
0 = success (successful operation and expected result)
1-254 = error in executing command
255 = command not supported
"""

##########################################################################################
### COMMAND LINE: loop through switches ##################################################
##########################################################################################

declare -a _CMDLINE ; _CMDLINE=("$0")

shopt -s lastpipe

declare -a SWITCHFILES ; SWITCHFILES=()
if [[ -r "${CONFFILE}" ]] ; then
	SWITCHFILES+=(${CONFFILE})
fi

CMDLINETXT=$(mktemp)

until [[ "$#" -lt 1 ]] ; do
	_CMDLINE+=("$1")
	printf "%s\n" "$1" >> "${CMDLINETXT}"
	shift
done

SWITCHFILES+=(${CMDLINETXT})

adpn_command_line "${SWITCHFILES[@]}"

rm "${CMDLINETXT}"

##########################################################################################
### SCRIPT: DETERMINE COMMAND, THEN EXECUTE PIPELINE  ####################################
##########################################################################################

EXITCODE=0
CMD="${_ARGV[1]}"

adpn_set_display_settings # V, VV, Q, QQ, DBG, DBGLEVEL, DDBG, SCRIPT_CMD_NAME / @see adpn-define-aliases
adpn_script_handle_version_or_help

if [[ ! -z "${_PARAM[remote]}" ]] ; then

	adpn_script_handle_remote_execution -t "workflow" "${_CMDLINE[@]:1}"
	EXITCODE="$?"

else 

case "${CMD}" in
	
	"step")
		[[ -n "${_PARAM[next]}" ]] && STEP_VERB="$( ${ADPN} workflow next -- "${_ARGV[@]:2}" )" || STEP_VERB="${_ARGV[2]}"
		[[ -n "${_PARAM[next]}" ]] && declare -a STEP_OBJECTS=( "${_ARGV[@]:2}" ) || declare -a STEP_OBJECTS=( "${_ARGV[@]:3}" )
		declare -a STEP_SW=()
		for _SW in "${_SWITCHES[@]}" ; do
			[[ "${_SW}" =~ ^--next$ ]] || STEP_SW+=( "${_SW}" )
		done

		STEP="$( adpn_workflow_get_step "${STEP_VERB}" "${_STEP_SW[@]}" "--" "${STEP_OBJECTS[@]}" )"
		adpn_notice "${LINENO}" '$ %s%s' "${STEP}" "$( [[ -n "${_PARAM[dry-run]}" ]] && printf " (dry-run)" )"
		[[ -z "${_PARAM[dry-run]}" ]] && eval "${STEP}"
		;;
	
	"next")
		_TEMP_FILE="$( mktemp )"
		if [[ "${_ARGV[2]}" =~ ^gitlab:(.*)$ ]] ; then
			"${ADPN}" gitlab get labels "${BASH_REMATCH[1]}" | grep -E "^(TODO|WAITING)[:]" > "${_TEMP_FILE}"
		fi
		IFS=$'\r\n' cat "${_TEMP_FILE}" | while read -r LINE ; do
			printf -- "-%s\n" "${LINE}" 
		done
		rm "${_TEMP_FILE}"
		;;
		
	"version"|"help")
		EXITCODE=0
		;;
		
	*)
		echo "[${SCRIPT_CMD_NAME}] '${CMD}' command not understood." 1>&2
		echo "${__HELP__}" 1>&2
		EXITCODE=255
		;;
esac

fi 

##########################################################################################
### CLEANUP: exit with settled exit code. ################################################
##########################################################################################

exit ${EXITCODE}