[PATCH v4 0/3] relative path regression fix

Remove implementations on UNC names in patch v3.
So patch v4 is the same like v2, but with minor
update for commit logs.

Jiang Xin (3):
  test: use unambigous leading path (/foo) for mingw
  relative_path should honor dos-driver-prefix
  Use simpler relative_path when set_git_dir

 cache.h               |  1 +
 path.c                | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++
 setup.c               |  5 +---
 t/t0060-path-utils.sh | 60 +++++++++++++++++++++++++----------------------
 4 files changed, 99 insertions(+), 32 deletions(-)

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1.8.4.460.gbed9cb4