# If param doesn't start with "%", or if NEVER_ASK

# is set, just echo the param and return immediately

if [[ "${1:0:1}" != "%" ]]; then

echo $1

return

fi

local TARGET TARGETS TARGETBYNUM N CHOICE CACHED_ALIAS

# lookup in cache

CACHED_ALIAS=$(get_local_config LUNAR_ALIAS_${1:1})

if [[ -n "$CACHED_ALIAS" ]]; then

echo $CACHED_ALIAS

return

fi

if [[ -n "$NEVER_ASK" ]]; then

# there's no stored value for the alias and we mustn't ask for one...

echo $1

return

fi

debug_msg "expand_alias($@)"

# try to figure out where the aliases file is:

if [[ -z "$ALIASES" ]] || [[ ! -f "$ALIASES" ]]; then

if [ -f "$MOONBASE/aliases" ] ; then

ALIASES="$MOONBASE/aliases"

else

ALIASES="/var/lib/lunar/aliases"

fi

fi

TARGETS=$(awk -F: -v mod=$1 '$1 == mod {print $2}' "$ALIASES")

# propose one and let the user pick it from a list:

debug_msg "expand_alias: starting selection loop"

error_message "${MODULE_COLOR}$MODULE${DEFAULT_COLOR}${MESSAGE_COLOR} depends on ${DEFAULT_COLOR}${QUERY_COLOR}\"${1:1}\"${DEFAULT_COLOR}${MESSAGE_COLOR} which is an alias${DEFAULT_COLOR}"

while true ; do

error_message "${MESSAGE_COLOR}Please select a substitute ! Enter the number or the name of the module"

error_message "Press [ENTER] to select choice #1 (the recommended choice).${DEFAULT_COLOR}"

((N=0))

for TARGET in $TARGETS ; do

((N++))

TARGETBYNUM[$N]=$TARGET

if module_installed $TARGET ; then

error_message " ${QUERY_COLOR}$N${MESSAGE_COLOR} - ${DEFAULT_COLOR}${MODULE_COLOR}$TARGET${DEFAULT_COLOR} ${LRM_COLOR}(Installed)${DEFAULT_COLOR}"

else

error_message " ${QUERY_COLOR}$N${MESSAGE_COLOR} - ${DEFAULT_COLOR}${MODULE_COLOR}$TARGET${DEFAULT_COLOR} ${MESSAGE_COLOR}(Not installed)${DEFAULT_COLOR}"

fi

done

echo -n -e "${MESSAGE_COLOR}Choice> ${DEFAULT_COLOR}" >&2

read -t $PROMPT_DELAY CHOICE

# test directly first

if [[ " $TARGETS " =~ " $CHOICE " ]] ; then

verbose_msg "Stored alias mapping $1 -> $CHOICE"

set_local_config `echo LUNAR_ALIAS_${1:1}` $CHOICE

echo $TARGET

return

# then the number, resolving the default

elif [[ -n "${TARGETBYNUM[${CHOICE:=1}]}" ]] ; then

verbose_msg "Stored alias mapping $1 -> ${TARGETBYNUM[$CHOICE]}"

set_local_config `echo LUNAR_ALIAS_${1:1}` ${TARGETBYNUM[$CHOICE]}

echo ${TARGETBYNUM[$CHOICE]}

return

fi

error_message "${MESSAGE_COLOR}Sorry, I can't do anything with \"${DEFAULT_COLOR}${QUERY_COLOR}$CHOICE${DEFAULT_COLOR}${MESSAGE_COLOR}\", please try again${DEFAULT_COLOR}"

done