I was surprised to find today that the following didn't work as expected:
$ git show master@{"1 year ago"}:Path/To/File.h
It gave me the following warning which did not make the problem obvious at all:
warning: Log for 'master' only goes back to Mon, 8 Sep 2014 12:08:44 -0500.
What it is trying to tell me (and I only found this out after a lot of
poking and prodding around Google) is that I can't refer to a commit
by date if it extends beyond the range of the reflog.
I don't understand why this requirement is in place. Each commit has a
time stamp, so in theory it should be possible to calculate an
absolute date from the duration specified in the refspec and grab the
commit from `git log` from that.
I can only assume I'm oversimplifying things and that there is a good
reason for this. If I can't get this to work, how can I view the
contents of a file at a specified relative time frame as I have done
above?
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