t/*: rearrange tests into numbered directories.

It was getting way too ad-hoc in there.  Let's reorganize the tests so that
there's a good, obvious, suggested sequence to run them in.

t/250-makedir/.gitignore

@@ -0,0 +1,2 @@
+makedir.log
+makedir

t/250-makedir/all.do

@@ -0,0 +1 @@
+redo makedir2 dirtest/all autosubdir/all

t/250-makedir/autosubdir/all.do

@@ -0,0 +1,3 @@
+rm -rf sub.tmp
+redo-ifchange sub.tmp/test.txt
+[ -e sub.tmp/test.txt ] || exit 96

t/250-makedir/autosubdir/clean.do

@@ -0,0 +1,2 @@
+rm -rf *.tmp
+rm -f *~ .*~

t/250-makedir/autosubdir/default.txt.do

@@ -0,0 +1,2 @@
+mkdir -p $(dirname $1)
+echo "hello" >$3

t/250-makedir/clean.do

@@ -0,0 +1,4 @@
+redo dirtest/clean autosubdir/clean
+rm -rf makedir
+rm -f *~ .*~ makedir.log
+

t/250-makedir/dirtest/.gitignore

@@ -0,0 +1,2 @@
+log
+dir1/stinky

t/250-makedir/dirtest/all.do

@@ -0,0 +1,16 @@
+rm -f log dir1/log dir1/stinky
+touch t1.do
+../../flush-cache
+redo t1
+touch t1.do
+../../flush-cache
+redo t1
+../../flush-cache
+redo-ifchange t1
+C1="$(wc -l <dir1/log)"
+C2="$(wc -l <log)"
+. ../../skip-if-minimal-do.sh
+if [ "$C1" -ne 1 -o "$C2" -ne 2 ]; then
+	echo "failed: t1>t1, c1=$C1, c2=$C2" >&2
+	exit 55
+fi

t/250-makedir/dirtest/clean.do

@@ -0,0 +1 @@
+rm -f *~ .*~ dir1/*~ dir1/.*~ dir1/stinky dir1/log log

t/250-makedir/dirtest/dir1/go.do

@@ -0,0 +1,2 @@
+redo-ifchange stinky
+echo $$ >>log

t/250-makedir/dirtest/dir1/stinky.do

@@ -0,0 +1 @@
+echo "I'm stinky"

t/250-makedir/dirtest/t1.do

@@ -0,0 +1,2 @@
+redo-ifchange dir1/go
+echo $$ >>log

t/250-makedir/makedir.do

@@ -0,0 +1,3 @@
+rm -rf "$1"
+mkdir $1
+echo $$ >>makedir.log

t/250-makedir/makedir2.do

@@ -0,0 +1,7 @@
+rm -f makedir.log
+redo makedir
+touch makedir/outfile
+../flush-cache
+redo-ifchange makedir
+COUNT=$(wc -l <makedir.log)
+[ "$COUNT" -eq 1 ] || exit 99