intial import - version 0.6.0

1 files changed, 54 insertions, 0 deletions

diff --git a/libalpine.sh b/libalpine.sh
new file mode 100755
index 0000000..871459f
--- /dev/null
+++ b/libalpine.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+PREFIX=
+
+PROGRAM=`basename $0`
+
+
+echon () {
+	if [ X"$ECHON" = X ]; then
+		# Determine how to "echo" without newline: "echo -n"
+		# or "echo ...\c"
+		if [ X`echo -n` = X-n ]; then
+			ECHON=echo
+			NNL="\c"
+			# "
+		else
+			ECHON="echo -n"
+			NNL=""
+		fi
+	fi
+	$ECHON "$*$NNL"
+}
+
+init_tmpdir() {
+	local omask=`umask`
+	local __tmpd="/tmp/$PROGRAM-${$}-`date +%s`"
+	umask 077 || die "umask"
+	mkdir "$__tmpd" || exit 1
+	trap "rm -fr \"$__tmpd\"; exit" 0
+	umask $omask
+	eval "$1=\"$__tmpd\""
+}
+
+pkg_inst() {
+	[ -z "$NOCOMMIT" ] && apk_add $*
+}
+
+default_read() {
+	local n
+	read n
+	[ -z "$n" ] && n="$2"
+	eval "$1=\"$n\""
+}
+
+
+invalid_ip() {
+	[ "$1" ] || return 0
+	! ipcalc -s $1
+}
+
+
+cfg_add() {
+	[ -z "$NOCOMMIT" ] && lbu_add "$@"
+}