pierroweb/pdflatex-makefile — pull request #1 by pierroweb (2014-11-14 15:53:47+00:00)
Title: Fix git-dir when the repository is a submodule.

When the repository is a git submodule, the .git is not a directory and
the VCSTURD file was not found by make.

git rev-parse --git-dir

handles submodules correctly and fixes the issue.