test: file: test the behaviour of inotify on parent dir moves

This is a test for #124. It is disabled until #124 is fixed, so it can
already me merged.

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>

examples/deep-dirs.yaml

@@ -0,0 +1,9 @@
+---
+graph: mygraph
+resources:
+  file:
+  - name: file1
+    path: "/tmp/mgmt/a/b/c/f1"
+    content: |
+      i am f1
+    state: exists

test/shell/file-move-upper-dir.sh

@@ -0,0 +1,31 @@
+#!/bin/bash -e
+
+# FIXME: test for #124 --- Disabled for now
+
+exit 0
+
+mkdir -p /tmp/mgmt/a/b/c/
+
+# run empty graph, with prometheus support
+timeout --kill-after=20s 15s ./mgmt run --tmp-prefix --yaml=examples/deep-dirs.yaml &
+pid=$!
+sleep 5s	# let it converge
+
+grep f1 /tmp/mgmt/a/b/c/f1
+
+echo 'f2!' > /tmp/mgmt/a/b/c/f1
+
+grep f1 /tmp/mgmt/a/b/c/f1
+
+rm -rf /tmp/mgmt/a/b/C/ || true
+mv /tmp/mgmt/a/b/c /tmp/mgmt/a/b/C/
+
+mkdir -p /tmp/mgmt/a/b/c
+
+echo 'f2!' > /tmp/mgmt/a/b/c/f1
+
+grep f1 /tmp/mgmt/a/b/c/f1
+
+killall -SIGINT mgmt	# send ^C to exit mgmt
+wait $pid	# get exit status
+exit $?