From f27feb8d4b8454e35773fb35cfd5eccd9bde28df Mon Sep 17 00:00:00 2001
From: Jurriaan Bremer <jbr@cuckoo.sh>
Date: Sun, 3 Jun 2018 17:44:02 +0200
Subject: [PATCH] if -t is provided, perform basic tmpfs check

---
 stuff/high-volume.py | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/stuff/high-volume.py b/stuff/high-volume.py
index 4a630a373..65da5fb1a 100644
--- a/stuff/high-volume.py
+++ b/stuff/high-volume.py
@@ -78,6 +78,7 @@ if __name__ == "__main__":
 
     vmcloakdir = os.path.expanduser("~/.vmcloak")
     backupdir = "%s.backup" % vmcloakdir
+    user = getpass.getuser()
 
     if os.path.exists(backupdir):
         images, readonly, temporary = index_vdi(backupdir)
@@ -89,15 +90,23 @@ if __name__ == "__main__":
     vmsize = vmsize / 1024**3 + 1
 
     if not os.path.exists(vmmount):
-        user = getpass.getuser()
         print "# Please run the following commands first!"
         print "# (Assuming the tmpfs mount is not yet in-place!)"
-        print "sudo mkdir -p %s" % vmmount
+        print "$ sudo mkdir -p %s" % vmmount
         if tmpfs:
-            print "sudo mount -t tmpfs -o size=%dG tmpfs %s" % (
+            print "$ sudo mount -t tmpfs -o size=%dG tmpfs %s" % (
                 vmsize, vmmount
             )
-        print "sudo chown %s:%s %s" % (user, user, vmmount)
+        print "$ sudo chown %s:%s %s" % (user, user, vmmount)
+        exit(0)
+
+    parentvfs = os.statvfs(os.path.dirname(vmmount))
+    if tmpfs and parentvfs.f_blocks == os.statvfs(vmmount).f_blocks:
+        print "# Did you initialize the tmpfs mount yet?"
+        print "$ sudo mount -t tmpfs -o size=%dG tmpfs %s" % (
+            vmsize, vmmount
+        )
+        print "$ sudo chown %s:%s %s" % (user, user, vmmount)
         exit(0)
 
     print "Moving original ~/.vmcloak to ~/.vmcloak.backup .."