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|
DESCRIPTION="Manage Scala targets"
MAINTAINER="wr4bbit@gmail.com"
VERSION="0"
SCALA_BIN="${ROOT}/usr/bin/scala"
BIN="${ROOT}/usr/bin"
SCALA_BINARIES=(scala scalac scaladoc scalap fsc)
describe_list() {
echo "List of installed scala versions"
}
find_targets() {
for f in $(ls -r ${BIN}/scala-[0-9]*) ; do
echo ${f}
done
}
do_list() {
local targets=( $(find_targets) )
local i line
for (( i = 0; i < ${#targets[@]}; i++ )) ; do
line=$(basename "${targets[i]}")
if [[ ${targets[i]} = $(readlink ${SCALA_BIN}) ]] ; then
line=$(highlight_marker "${line}")
fi
targets[i]="${line}"
done
write_numbered_list "${targets[@]}"
}
describe_show() {
echo "Show current target"
}
do_show() {
if [ -e "${SCALA_BIN}" ] ; then
local p=$(readlink ${SCALA_BIN})
write_kv_list_entry "$(basename ${p})" ""
else
write_kv_list_entry "(none)" ""
fi
}
describe_set() {
echo "Set current target"
}
describe_set_parameters() {
echo "<target>"
}
describe_set_options() {
echo "target: scala target to set"
}
remove_symlinks() {
local postfix=${1}
for b in ${SCALA_BINARIES[*]}
do
local bin_path="${BIN}/${b}"
[[ -e "${bin_path}" ]] && rm "${bin_path}"
done
}
create_symlinks() {
local postfix=${1}
for b in ${SCALA_BINARIES[*]}
do
local link_path="${BIN}/${b}${postfix}"
local bin_path="${BIN}/${b}"
ln -s "${link_path}" "${bin_path}"
done
}
check_postfix() {
local postfix=${1}
local target=${2}
for b in ${SCALA_BINARIES[*]}
do
local link_path="${BIN}/${b}${postfix}"
if [[ ! -e "${link_path}" ]]; then
write_error_msg "Invalid target ${target}"
exit
fi
done
}
do_set() {
local target=${1}
local postfix
if [[ ${target} =~ (\-([0-9\.]+)) ]]; then
postfix="${BASH_REMATCH[1]}"
else
write_error_msg "Incorrect target"
exit
fi
check_postfix "${postfix}" "${target}"
remove_symlinks "${postfix}"
create_symlinks "${postfix}"
do_show
}
# vim: set ft=eselect :
|
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