commit 7fd9fd94fb8f23b86578ed86906b8caf0417db82
Merge: 5fa0f5238b d9589d4051
Author: REDACTED <REDACTED@REDACTED>
Date:   Wed Dec 4 23:06:31 2019 +0100

    Sync with 2.22.2
    
    * maint-2.22: (43 commits)
      Git 2.22.2
      Git 2.21.1
      mingw: sh arguments need quoting in more circumstances
      mingw: fix quoting of empty arguments for `sh`
      mingw: use MSYS2 quoting even when spawning shell scripts
      mingw: detect when MSYS2's sh is to be spawned more robustly
      t7415: drop v2.20.x-specific work-around
      Git 2.20.2
      t7415: adjust test for dubiously-nested submodule gitdirs for v2.20.x
      Git 2.19.3
      Git 2.18.2
      Git 2.17.3
      Git 2.16.6
      test-drop-caches: use `has_dos_drive_prefix()`
      Git 2.15.4
      Git 2.14.6
      mingw: handle `subst`-ed "DOS drives"
      mingw: refuse to access paths with trailing spaces or periods
      mingw: refuse to access paths with illegal characters
      unpack-trees: let merged_entry() pass through do_add_entry()'s errors
      ...