src/net: install tests to target /usr/share/net

Host tools and target are often out of sync, sometimes because we need
to run a newer version of iproute2 with more features.  By installing
tests to target we can still verify basic functionality, provided the
tests verify their dependencies and exit 77 (SKIP).

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

src/net/test/Makefile.am

@@ -1,6 +1,8 @@
 EXTRA_DIST         = lib.sh $(TESTS)
-CLEANFILES         = *~ *.trs *.log
+pkgdata_DATA       = $(EXTRA_DIST)
 
 TEST_EXTENSIONS    = .sh
 TESTS_ENVIRONMENT  = unshare -mrun
 TESTS              = three-independent.sh
+
+CLEANFILES         = *~ *.trs *.log

src/net/test/lib.sh

@@ -19,6 +19,9 @@ export NET_DIR
 
 gen=-1
 
+NET=$(command -v net)
+[ -n "$NET" ] || NET=../src/net
+
 # Exit immediately on error, treat unset variables as error
 set -eu
 
@@ -115,10 +118,11 @@ netdo()
 {
     if [ -n "$DEBUG" ]; then
 	tree "$NET_DIR/"
-	echo "Calling: ../src/net $DEBUG apply"
+	echo "Calling: $NET $DEBUG apply"
     fi
 
-    ../src/net $DEBUG apply
+    # shellcheck disable=SC2086
+    $NET $DEBUG apply
 
     if [ -n "$DEBUG" ]; then
 	ip link
@@ -129,7 +133,8 @@ netdo()
 
 netdown()
 {
-    ../src/net $DEBUG down $@
+    # shellcheck disable=SC2086,SC2068
+    $NET $DEBUG down $@
 
     if [ -n "$DEBUG" ]; then
 	ip link
@@ -139,7 +144,8 @@ netdown()
 
 netup()
 {
-    ../src/net $DEBUG up $@
+    # shellcheck disable=SC2086,SC2068
+    $NET $DEBUG up $@
 
     if [ -n "$DEBUG" ]; then
 	ip link