[PATCH v4 0/2] Per-worktree config files

v4 has just one minor change to unbreak a && chain in test_cmp_config.

Nguyễn Thái Ngọc Duy (2):
  t1300: extract and use test_cmp_config()
  worktree: add per-worktree config files

 Documentation/config.txt               | 12 +++-
 Documentation/git-config.txt           | 26 ++++++---
 Documentation/git-worktree.txt         | 33 +++++++++++
 Documentation/gitrepository-layout.txt |  8 +++
 builtin/config.c                       | 19 ++++++-
 cache.h                                |  2 +
 config.c                               | 11 ++++
 environment.c                          |  1 +
 setup.c                                | 40 ++++++++++---
 t/t1300-config.sh                      | 79 +++++++-------------------
 t/t2029-worktree-config.sh             | 79 ++++++++++++++++++++++++++
 t/test-lib-functions.sh                | 23 ++++++++
 12 files changed, 255 insertions(+), 78 deletions(-)
 create mode 100755 t/t2029-worktree-config.sh

Range-diff against v3:
1:  445f985619 ! 1:  23c2ee8844 t1300: extract and use test_cmp_config()
    @@ -201,7 +201,7 @@
     +#    test_cmp_config foo core.bar
     +#
     +test_cmp_config() {
    -+	local GD
    ++	local GD &&
     +	if test "$1" = "-C"
     +	then
     +		shift &&
2:  4c2d1bb37d = 2:  0d4dc8c6b0 worktree: add per-worktree config files