kakoune/contrib/describe_sessions.sh
Frank LENORMAND 5791e8bb04 contrib describe_sessions: Look for sessions in XDG_RUNTIME_DIR
The sessions are stored in `$XDG_RUNTIME_DIR` when that variable
is defined.
2020-02-04 13:19:36 +01:00

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#!/bin/sh
##
## describe_sessions.sh for kakoune
## by lenormf
##
readonly KAK_SCRIPT='
{
echo
printf "Session: %s\n" "${kak_session}"
printf "Current working directory: %s\n" "${PWD}"
eval set -- "${kak_buflist}"
printf "Buffers (%d):\n" $#
for bufname in "$@"; do
printf "\t%s\n" "${bufname}"
done
eval set -- "${kak_client_list}"
printf "Clients (%d):\n" $#
for clientname in "$@"; do
printf "\t%s\n" "${clientname}"
done
} >>{{outfile}}
rm -rf {{sentinel}}
'
main() {
outfile=$(mktemp "${TMPDIR:-/tmp}"/kak-describe_sessions.XXXXXXXX)
nb_sessions=0
nb_dead_sessions=0
nb_suspended_sessions=0
if ! command -v socat >/dev/null 2>&1; then
echo "Unmet dependency: socat" >&2
exit 1
fi
script=$(printf 'nop %%sh{ %s }' "${KAK_SCRIPT}" | sed "s,{{outfile}},\"${outfile}\",g")
sessions_dir="${TMPDIR:-/tmp}/kakoune/${USER}"
if [ -n "${XDG_RUNTIME_DIR}" ]; then
sessions_dir="${XDG_RUNTIME_DIR}/kakoune"
fi
for session in "${sessions_dir}"/*; do
name_session="${session##*/}"
if printf '' | socat - UNIX-CONNECT:"${session}",connect-timeout=1 2>/dev/null; then
sentinel=$(mktemp -d "${TMPDIR:-/tmp}"/kak-sentinel.XXXXXXXX)
script_session=$(printf %s "${script}" | sed "s,{{sentinel}},\"${sentinel}\",g")
if ! printf %s "${script_session}" | kak -p "${name_session}"; then
printf '\nSession "%s" dead\n' "${name_session}" >> "${outfile}"
nb_dead_sessions=$((nb_dead_sessions + 1))
continue
fi
wait_limit=2
while ! mkdir "${sentinel}" 2>/dev/null && [ "${wait_limit}" -gt 0 ]; do
wait_limit=$((wait_limit - 1))
sleep 1
done
rm -rf "${sentinel}"
if [ "${wait_limit}" -gt 0 ]; then
nb_sessions=$((nb_sessions + 1))
else
printf '\nSession "%s" suspended\n' "${name_session}" >> "${outfile}"
nb_suspended_sessions=$((nb_suspended_sessions + 1))
fi
else
nb_dead_sessions=$((nb_dead_sessions + 1))
fi
done
printf 'Running sessions: %d\nSuspended sessions: %d\nDead sessions: %d\n' \
"${nb_sessions}" "${nb_suspended_sessions}" "${nb_dead_sessions}"
cat "${outfile}"
rm -f "${outfile}"
}
main "$@"