From: Mark Wooding <mdw@distorted.org.uk>
Date: Thu, 7 May 2009 11:13:01 +0000 (+0100)
Subject: bashrc: Reintroduce `world' function, because it's useful.
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/profile/commitdiff_plain/c08211aa9838ecdb251e5df62f9c6394676349ee?hp=-c

bashrc: Reintroduce `world' function, because it's useful.
---

c08211aa9838ecdb251e5df62f9c6394676349ee
diff --git a/bashrc b/bashrc
index 7f4cd74..fd91584 100644
--- a/bashrc
+++ b/bashrc
@@ -289,6 +289,33 @@ pathhack () {
   fi
 }
 
+# --- Switching security worlds ---
+
+world () {
+  local nfast=${NFAST_HOME-/opt/nfast}
+  local kmdata
+  case "$#" in
+    0)
+      echo "${NFAST_KMDATA#$nfast/kmdata-}"
+      ;;
+    *)
+      if [ -d "$1" ]; then
+	kmdata=$1
+      elif [ -d "$nfast/kmdata-$1" ]; then
+	kmdata=$nfast/kmdata-$1
+      else
+	echo >&2 "world: can't find world $1"
+	return 1
+      fi
+      shift
+      case "$#" in
+	0) export NFAST_KMDATA=$kmdata ;;
+	*) "$@" ;;
+      esac
+      ;;
+  esac
+}
+
 # --- Fix `man' under Slowaris ---
 
 case "$MACHTYPE" in