From 7e06d71041552a4a8b8d874fb81081a810930afd Mon Sep 17 00:00:00 2001 From: P. J. McDermott Date: Tue, 11 Nov 2014 22:59:37 -0500 Subject: lib/dir.sh: New file --- diff --git a/lib/dir.sh b/lib/dir.sh new file mode 100644 index 0000000..f6b6710 --- /dev/null +++ b/lib/dir.sh @@ -0,0 +1,46 @@ +# Miscellaneous directory-related functions +# +# Copyright (C) 2013 Patrick "P. J." McDermott +# +# This file is part of the ProteanOS Development Kit. +# +# The ProteanOS Development Kit is free software: you can redistribute +# it and/or modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# The ProteanOS Development Kit is distributed in the hope that it +# will be useful, but WITHOUT ANY WARRANTY; without even the implied +# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with the ProteanOS Development Kit. If not, see +# . + +[ "x${_DIR_SM+set}" = 'xset' ] && return 0 +_DIR_SM=1 + +dir_is_empty() +{ + local dir="${1}" + local ret= + local dirent= + + ret=0 + + # Patterns to match all dirents except "." and "..": + # * dirents whose names don't start with "." + # .[!.] dirents whose names start with ".", are two characters long, + # and aren't ".." + # .??* dirents whose names start with "." and are three or more + # characters long + for dirent in "${dir}/"* "${dir}/".[!.] "${dir}/".[!.] "${dir}/".??*; do + if [ -e "${dirent}" ]; then + ret=1 + break + fi + done + + return ${ret} +} diff --git a/lib/local.mk b/lib/local.mk index f87ab10..1ce768c 100644 --- a/lib/local.mk +++ b/lib/local.mk @@ -3,6 +3,7 @@ pkgdata_sources = \ lib/locale.sh \ lib/getopt.sh \ lib/fd.sh \ + lib/dir.sh \ lib/archplat.sh \ lib/deps.sh \ lib/substvars.sh \ -- cgit v0.9.1