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#!/bin/sh -ef
# List and swap to alternatives
# shellcheck disable=1091
if command -v cpt-lib >/dev/null; then . cpt-lib; else . ./cpt-lib; fi
case "$1" in --version|--help|-v|-h|'') ;; *)
[ -w "$CPT_ROOT/" ] || [ "$uid" = 0 ] || {
as_root "$0" "$@"
exit $?
}
esac
case "$1" in
--help|-h)
out "usage: ${0##*/} [-] [pkg file]"
exit 1
;;
--version|-v) version ;;
-)
while read -r pkg path; do
pkg_swap "$pkg" "$path"
done
;;
'')
# Go over each alternative and format the file name for listing.
# (pkg_name>usr>bin>ls)
set +f; for pkg in "$sys_db/../choices/"*; do
printf '%s\n' "${pkg##*/}"
done | sed 's|>| /|; s|>|/|g; /\*/d'
;;
*) pkg_swap "$@" ;;
esac
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