t/curse: test that 'redo' (not redo-ifchange) always redoes a command.

...if the containing .do file is getting redone at all, of course.

Currently passes in serial mode, fails in parallel.

t/curse/.gitignore

@@ -1,3 +1,5 @@
 *.n1
 *.n2
 *.count
+*.countall
+countall

t/curse/all.do

@@ -1,8 +1,18 @@
+rm -f in.countall out.countall *.count
+touch in.countall out.countall
+echo x >x.count
 redo-ifchange 1.n0 2.n0 3.n0
 DEPS=$(seq 10 | sed 's/$/.n1/')
 redo-ifchange $DEPS
-COUNT=$(cat *.count | wc -l)
+COUNT_IN=$(ls *.count | wc -l)
-if ! [ "$COUNT" = 100 ]; then
+COUNT_OUT=$(cat *.count | wc -l)
-	echo "expected 100 writes, got $COUNT" >&2
+if [ "$COUNT_IN" != "$COUNT_OUT" ]; then
+	echo "expected $COUNT_IN individual writes, got $COUNT_OUT" >&2
 	exit 42
 fi
+COUNTALL_IN=$(cat in.countall | wc -l)
+COUNTALL_OUT=$(cat out.countall | wc -l)
+if [ "$COUNTALL_IN" != "$COUNTALL_OUT" ]; then
+	echo "expected $COUNTALL_IN allwrites, got $COUNTALL_OUT" >&2
+	exit 43
+fi

t/curse/clean.do

@@ -1,2 +1,3 @@
-rm -f *~ .*~ *.n1 *.n2 *.tmp *.count
+rm -f *~ .*~ *.n1 *.n2 *.tmp *.count countall *.countall
+
 

t/curse/countall.do

@@ -0,0 +1,2 @@
+echo $1 >>out.countall
+echo hello

t/curse/default.n2.do

@@ -1,2 +1,4 @@
 echo n2-$1
 echo $1 >>$1.count
+echo $1 >>in.countall
+redo countall