3 files changed, 41 insertions, 30 deletions
diff --git a/Makefile b/Makefile
index 542377b..2512cc7 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,8 @@ MANPAGES = \
 
 INCLUDES = \
 	package.inc.sh \
-	remote.inc.sh
+	remote.inc.sh \
+	util.inc.sh
 
 all: $(BINPROGS) $(MANPAGES)
 
diff --git a/asp.in b/asp.in
index 3ac8021..b33d5fb 100644
--- a/asp.in
+++ b/asp.in
@@ -6,38 +6,10 @@ OPT_ARCH=$(uname -m)
 OPT_FORCE=0
 : ${ASPROOT:=$HOME/asp}
 
+m4_include(util.inc.sh)
 m4_include(remote.inc.sh)
 m4_include(package.inc.sh)
 
-log_meta() {
-  printf "$1 $2\n" "${@:3}"
-}
-
-log_error() {
-  log_meta 'error:' "$@" >&2
-}
-
-log_fatal() {
-  log_error "$@"
-  exit 1
-}
-
-log_warning() {
-  log_meta 'warning:' "$@" >&2
-}
-
-log_info() {
-  log_meta '==>' "$@"
-}
-
-map() {
-  local map_r=0
-  for _ in "${@:2}"; do
-    "$1" "$_" || (( $# > 255 ? map_r=1 : ++r ))
-  done
-  return $map_r
-}
-
 usage() {
   cat<<EOF
 asp [OPTIONS...] {COMMAND} ...
diff --git a/util.inc.sh b/util.inc.sh
new file mode 100644
index 0000000..a9bb51e
--- /dev/null
+++ b/util.inc.sh
@@ -0,0 +1,38 @@
+log_meta() {
+  printf "$1 $2\n" "${@:3}"
+}
+
+log_error() {
+  log_meta 'error:' "$@" >&2
+}
+
+log_fatal() {
+  log_error "$@"
+  exit 1
+}
+
+log_warning() {
+  log_meta 'warning:' "$@" >&2
+}
+
+log_info() {
+  log_meta '==>' "$@"
+}
+
+map() {
+  local map_r=0
+  for _ in "${@:2}"; do
+    "$1" "$_" || (( $# > 255 ? map_r=1 : ++r ))
+  done
+  return $map_r
+}
+
+in_array() {
+  local item needle=$1
+
+  for item in "${@:2}"; do
+    [[ $item = "$needle" ]] && return 0
+  done
+
+  return 1
+}