What are you working on? - Printable Version

Code:

#!/bin/sh



# This script aims to offer a friendly interface to manage runit services

# Requires:

# * dialog

# * find

# * $SVDIR which indicates the supervision folder

# * $SVKNOWN which indicates a colon-separated list of places to search for

#     existing services (duplicated services are *not* supported... yet?)

# * $ACTION indicates how to manipulate services

#

# Currently supported $ACTION values:

# * install: allows to register/unregister known services;

#

# Planned to support $ACTION values:

# * enable: allows to enable/disable known services;

# * toggle: same, via down file;



printf "SVDIR=%s\nSVKNOWN=%s\n" ${SVDIR:="/etc/service"} ${SVKNOWN:="/etc/sv/"} >&2

ACTION="enable"

SV_LIST=""



FINDOPT="-mindepth 1 -maxdepth 2 -name run "

for SOURCE in $(printf ${SVKNOWN} | tr ':' '\t')

do

    SV_LIST="$SV_LIST    $(find -H $SOURCE $FINDOPT -exec sh -c \

        'printf "%s %s off\n" $(dirname {}) $(dirname {})' \; | sort)"

done



SV_ENABLED=$(find -L ${SVDIR} $FINDOPT -exec sh -c \

    'printf " -e '\''/%s off$/ s/off$/on/g'\'' " $(basename $(dirname {}))' \;)



SV_CURRENT=$(printf "%s %s %s\n" $SV_LIST | eval sed $SV_ENABLED)



DIALOG=$(mktemp -d)

dialog --no-tags --checklist "List of service to $ACTION:" 0 0 0 $SV_CURRENT 2> $DIALOG/out

SV_NEW_ENABLED=$(tr ' ' '\n' < $DIALOG/out | awk -F/ '{printf " -e '\''/%s off$/ s/off$/on/g'\'' \n", $NF}END{printf "\n"}')

SV_NEXT=$(printf "%s %s %s\n" $SV_LIST | eval sed $SV_NEW_ENABLED)



printf "%s\n" "$SV_CURRENT" > $DIALOG/curr

printf "%s\n" "$SV_NEXT" > $DIALOG/next

AWKPROG='

{

    if( $2 != $3 )

    {

        if( $2 == "on" )

        {

            last = split( $1, elem, "/" );

            printf "rm %s/%s\n", svdir, elem[last];

        }

        else

        {

            printf "ln -s %s %s/\n", $1, svdir;

        }

    }

}

'

paste -d ' ' $DIALOG/curr $DIALOG/next | cut -f1,3,6 -d ' ' | awk -F' ' -v svdir="$SVDIR" "$AWKPROG"

rm -r $DIALOG

Code:

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