merge with stable

tests/test-gpg.t

@@ -1,6 +1,10
 Test the GPG extension
 
   $ "$TESTDIR/hghave" gpg || exit 80
+  $ if ! hg identify -q > /dev/null; then
+  >     echo "skipped: not a Mercurial working dir" >&2
+  >     exit 80
+  > fi
   $ cat <<EOF >> $HGRCPATH
   > [extensions]
   > gpg=

tests/test-hup.t

@@ -15,7 +15,7 Do test while holding fifo open
   > kill -HUP $P
   > ) > p
 
-  $ while kill -0 $P 2>/dev/null; do true; done
+  $ wait
   $ cat out
   0
   0