1 files changed, 73 insertions, 0 deletions
diff --git a/libalpine.sh.in b/libalpine.sh.in
new file mode 100755
index 0000000..add5798
--- /dev/null
+++ b/libalpine.sh.in
@@ -0,0 +1,73 @@
+#!/bin/sh
+
+PREFIX=@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
+	$ECHON "$*$NNL"
+}
+
+# echo if in verbose mode
+vecho() {
+	[ -n "$VERBOSE" ] && echo "$@"
+}
+
+# echo unless quiet mode
+qecho() {
+	[ -z "$QUIET" ] && echo "$@"
+}
+
+# echo to stderr
+eecho() {
+	echo "$@" >&2
+}
+
+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 $*
+}
+
+pkg_deinst() {
+	[ -z "$NOCOMMIT" ] && apk del $*
+}
+
+default_read() {
+	local n
+	read n
+	[ -z "$n" ] && n="$2"
+	eval "$1=\"$n\""
+}
+
+
+invalid_ip() {
+	[ "$1" ] || return 0
+	! ipcalc -s $1
+}
+
+
+cfg_add() {
+	[ -z "$NOCOMMIT" ] && lbu_add "$@"
+}