Bug: format-patch MIME boundary not added to cover letter when attach enabled

with git 2.16.3. For example: $ git format-patch --cover-letter --attach --root -o /tmp/out /tmp/out/-cover-letter.patch /tmp/out/0001-hello-world.patch $ cat /tmp/out/-cover-letter.patch >From a25ac88e6216131e8b000335d32bb99d4e5185ac Mon Sep 17 00:00:00 2001 From: Patrick Hemmer

Set file modification time on checkout

The request is to allow git to set the file modification time on checkout to the commit-author-date of the commit which last modified the file. Yes I know this is in the FAQ, but the FAQ entry is missing an increasingly common use case: docker. When docker builds an image, it generates layers of