Produce progress report even without tty

Without this, ./check would fail, because no output was being
produced. Now with -v stdout gets written even if ttystatus is
of the opinion there's nothing to do because tty isn't there.

3 files changed, 8 insertions, 5 deletions

diff --git a/vmdb/runcmd.py b/vmdb/runcmd.py
index f3c59cf..7534e7d 100644
--- a/vmdb/runcmd.py
+++ b/vmdb/runcmd.py
@@ -37,7 +37,9 @@ def progress(msg):
     logging.info(msg)
     _progress['current'] = msg
     if _verbose:
-        _progress.notify(msg.rstrip())
+        sys.stdout.write(msg)
+        if not msg.endswith('\n'):
+            sys.stdout.write('\n')
 
 
 def runcmd(argv, *argvs, **kwargs):
diff --git a/yarns/100-mvp.yarn b/yarns/100-mvp.yarn
index 77f3db2..4a01b47 100644
--- a/yarns/100-mvp.yarn
+++ b/yarns/100-mvp.yarn
@@ -106,7 +106,7 @@ the step mounts a filesystem, the teardown would unmount it.
     ...         { echo: "bar", teardown: "bar_teardown" }
     ...     ]
     ... }
-    WHEN user runs vmdb2 happy.vmdb
+    WHEN user runs vmdb2 -v happy.vmdb
     THEN exit code is 0
     AND stdout contains "foo" followed by "bar"
     AND stdout contains "bar" followed by "bar_teardown"
@@ -127,11 +127,11 @@ specification file would instead do thing like create the file.
     GIVEN a specification file called j2.vmdb containing
     ... {
     ...     steps: [
-    ...         { echo: "image is {{ image }}" },
+    ...         { echo: "image is {{ output }}" },
     ...         { echo: "bar" },
     ...     ]
     ... }
-    WHEN user runs vmdb2 --image=foo.img j2.vmdb
+    WHEN user runs vmdb2 -v --output=foo.img j2.vmdb
     THEN exit code is 0
     AND stdout contains "image is foo.img" followed by "bar"
 
@@ -151,7 +151,7 @@ then?
     ...         { echo: "bar_step", teardown: "bar_teardown" }
     ...     ]
     ... }
-    WHEN user runs vmdb2 unhappy.vmdb
+    WHEN user runs vmdb2 -v unhappy.vmdb
     THEN exit code is 1
     AND stdout contains "foo" followed by "yikes"
     AND stdout contains "yikes" followed by "WAT?!"
diff --git a/yarns/lib.py b/yarns/lib.py
index fe39735..5ce05fa 100644
--- a/yarns/lib.py
+++ b/yarns/lib.py
@@ -1,4 +1,5 @@
 import os
+import sys
 
 import cliapp