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#1: message
yes_no() {
read -p "$1 (y/[n])" inp
case $inp in
[yY]* ) return 0;;
* ) return 1;;
esac
}
#interface on sterr
multiselector() {
local argc=$#
local argv=( "$@" )
local cnt=0
local ret=""
for entry in "$@"; do
>&2 echo "$cnt) $entry"
((cnt=cnt + 1))
done
>&2 echo "Select entry(s)"
>&2 echo "eg. '1 3' '1-4' 'a'"
>&2 read -p " > " inp
for sel in $inp; do
local reg_range="^[0-9]+\-[0-9]+$"
local reg_single="^[0-9]+$"
local reg_all="^[aA]+"
if [[ $sel =~ $reg_range ]]; then
range=($(echo $sel | tr "-" " "))
for (( i=${range[0]}; i<=${range[1]}; i++ )); do
ret="$ret ${argv[$i]}"
done
elif [[ $sel =~ $reg_single ]]; then
ret="$ret ${argv[$sel]}"
elif [[ $sel =~ $reg_all ]]; then
ret=$@
break;
else
>&2 echo "Wrong input at \"$sel\""
ret=""
break
fi
done
echo $ret
}
selector() {
local regex="^-?[0-9]+\$"
local cnt=0
for selection in "$@"
do
echo "$cnt) $selection"
((cnt=$cnt + 1))
done
read -p "(default=0) >" inp
if [[ "$inp" =~ $regex ]] && [ $inp -ge 0 -a $inp -le $# ]
then
echo $inp
return $inp
elif [ -z $inp ]
then
return 0
else
return 2
fi
}
#1: source 2: destination
link() {
if [ -e "$2" ]; then
if yes_no "$(basename $2) exists. Overwrite?"; then
if [ -d "$2" ]; then
rm -R "$2"
else
rm "$2"
fi
else
return
fi
fi
if [ ! -d "$(dirname $2)" ]; then
debug "$(dirname $2) does not exit. Creating it."
mkdir -p "$(dirname $2)"
fi
ln -s "$1" "$2"
call_hook "installed.$(basename $2)" "$2"
call_hook "installed" "$2"
}
choose_target() {
if [ ! -z "${CONFIGS[$1]}" ]; then
echo "Install $(pwd)/$1 to $HOME/${CONFIGS[$1]}/$1"
link "$(pwd)/$1" "$HOME/${CONFIGS[$1]}/$1"
elif [ ! -z "${SETS[$1]}" ]; then
for f in ${SETS[$1]}; do
choose_target $f
done
else
echo Target $1 not found. skipping.
fi
}
debug() {
if [ "$DEBUG" = "yes" ]; then
echo "[DEBUG] $@"
fi
}
warning() {
echo "[WARNING] $@"
}
print_help() {
cat << EOF
USAGE: $1 COMMAND [ARGS]
COMMANDS
install [CONFIG ...]
install configurations. if none are provided,
a selection menu is showm.
add PATH
Add PATH to managed configs
hook HOOK
manually call a hook
EOF
}
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