Michael Muller 7716eebfff Change check for root directory during rollback (#1602) ...

* Change check for root directory during rollback

`rollback_tool` tries to infer the root of the nomulus tree by checking for a
directory named "nomulus".  This is potentially problematic (and, indeed, was
for me) since there is no guarantee what that directory will be named.

There are a number of features that characterize the root directory.  Check
for the presence of the `rollback_tool` wrapper script, as this is both at
root level and tightly coupled to the python code, so hopefully we won't
move it without testing that the script still works.

2022-04-25 12:39:16 -04:00

6.2 KiB

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