1 files changed, 29 insertions, 0 deletions
diff --git a/selftest/ns/nsenter-helper.sh b/selftest/ns/nsenter-helper.sh
new file mode 100755
index 0000000..4242227
--- /dev/null
+++ b/selftest/ns/nsenter-helper.sh
@@ -0,0 +1,29 @@
+#!/bin/sh
+#
+# Helper script that gets run with nsenter to manually setup a secondary shell
+# session to a given namespace testenv. This basically just sets up the same
+# environment variables as you normally get with selftest, for convenience.
+
+if [ $# -lt 1 ]; then
+	echo "Usage: $0 <exports-file>"
+	exit 1
+fi
+
+# we get passed a exports file with all the environment variables defined
+exports_file=$1
+
+# read the exports file so the new shell has appropriate variables setup
+# (we export rather than sourcing here so they get inherited by the subshell)
+while read -r line; do
+	export $line
+	# dump them for the user too
+	echo $line
+done <$exports_file
+
+echo ""
+echo "Entered $NETBIOSNAME namespace, with above variables defined."
+echo "Use CTRL+D or exit to leave the namespace."
+echo ""
+
+# start a shell session in the new namespace
+$SHELL