autogen.sh: If wiki docs can't be downloaded/uncompressed, fail early.

diff --git a/autogen.sh b/autogen.sh
index a30fd154e2f54fc789c4f756c7fd07fad9af2da6..b6904e67b50d4c78a652f07e1325e85473462861 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -21,6 +21,10 @@ if test ! -f doc/wiki/Authentication.txt; then
   cd doc
   wget http://www.dovecot.org/tmp/wiki2-export.tar.gz
   tar xzf wiki2-export.tar.gz
+  if [ $? != 0 ]; then
+    echo "Failed to uncompress wiki docs"
+    exit
+  fi
   mv wiki2-export/*.txt wiki/
   rm -rf wiki2-export wiki2-export.tar.gz
   cd ..