[PATCH v3 0/2] Per-worktree config files

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

v3 changes are minor (besides test_cmp_config), mostly document
cleanup. Diff

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 44407e69db..e036ff7b86 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -4,7 +4,7 @@ CONFIGURATION FILE
 The Git configuration file contains a number of variables that affect
 the Git commands' behavior. The files `.git/config` and optionally
 `config.worktree` (see `extensions.worktreeConfig` below) in each
-repository is used to store the configuration for that repository, and
+repository are used to store the configuration for that repository, and
 `$HOME/.gitconfig` is used to store a per-user configuration as
 fallback values for the `.git/config` file. The file `/etc/gitconfig`
 can be used to store a system-wide default configuration.
diff --git a/Documentation/git-worktree.txt b/Documentation/git-worktree.txt
index aa88278dde..408c87c9ef 100644
--- a/Documentation/git-worktree.txt
+++ b/Documentation/git-worktree.txt
@@ -221,7 +221,7 @@ $ git config extensions.worktreeConfig true
 In this mode, specific configuration stays in the path pointed by `git
 rev-parse --git-path config.worktree`. You can add or update
 configuration in this file with `git config --worktree`. Older Git
-versions may will refuse to access repositories with this extension.
+versions will refuse to access repositories with this extension.
 
 Note that in this file, the exception for `core.bare` and `core.worktree`
 is gone. If you have them in $GIT_DIR/config before, you must move
@@ -283,6 +283,9 @@ to `/path/main/.git/worktrees/test-next` then a file named
 `test-next` entry from being pruned.  See
 linkgit:gitrepository-layout[5] for details.
 
+When extensions.worktreeConfig is enabled, the config file
+`.git/worktrees/<id>/config.worktree` is read after `.git/config` is.
+
 LIST OUTPUT FORMAT
 ------------------
 The worktree list command has two output formats.  The default format shows the
diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
index 4cd7fb8fdf..2149b88392 100644
--- a/t/test-lib-functions.sh
+++ b/t/test-lib-functions.sh
@@ -747,28 +747,27 @@ test_cmp() {
 	$GIT_TEST_CMP "$@"
 }
 
-# similar to test_cmp but $2 is a config key instead of actual value
-# it can also accept -C to read from a different repo, e.g.
+# Check that the given config key has the expected value.
 #
-#     test_cmp_config -C xyz foo core.bar
+#    test_cmp_config [-C <dir>] <expected-value>
+#                    [<git-config-options>...] <config-key>
 #
-# is sort of equivalent of
+# for example to check that the value of core.bar is foo
+#
+#    test_cmp_config foo core.bar
 #
-#     test "foo" = "$(git -C xyz core.bar)"
-
 test_cmp_config() {
-	if [ "$1" = "-C" ]
+	local GD
+	if test "$1" = "-C"
 	then
 		shift &&
 		GD="-C $1" &&
 		shift
-	else
-		GD=
 	fi &&
-	echo "$1" >expected &&
+	printf "%s\n" "$1" >expect.config &&
 	shift &&
-	git $GD config "$@" >actual &&
-	test_cmp expected actual
+	git $GD config "$@" >actual.config &&
+	test_cmp expect.config actual.config
 }
 
 # test_cmp_bin - helper to compare binary files

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

-- 
2.19.0.342.gc057aaf40a.dirty