Merge tag 'v2.23.0-rc0' of git://git.kernel.org/pub/scm/git/git

Git 2.23-rc0

* tag 'v2.23.0-rc0' of git://git.kernel.org/pub/scm/git/git: (420 commits)
  Git 2.23-rc0
  Merge fixes made on the 'master' front
  Flush fixes up to the third batch post 2.22.0
  The seventh batch
  git: mark cmd_rebase as requiring a worktree
  rebase: fix white-space
  xdiff: clamp function context indices in post-image
  grep: print the pcre2_jit_on value
  t6200: use test_commit_bulk
  travis-ci: build with GCC 4.8 as well
  The sixth batch
  clean: show an error message when the path is too long
  CodingGuidelines: spell out post-C89 rules
  README: fix rendering of text in angle brackets
  rm: resolving by removal is not a warning-worthy event
  transport-helper: avoid var decl in for () loop control
  stash: fix handling removed files with --keep-index
  mingw: support spawning programs containing spaces in their names
  gpg-interface: do not scan past the end of buffer
  tests: defang pager tests by explicitly disabling the log.mailmap warning
  ...

1 files changed, 14 insertions, 5 deletions

diff --git a/t/README b/t/README
index 6404f33e19..60d5b77bcc 100644
--- a/t/README
+++ b/t/README
@@ -334,11 +334,20 @@ that cannot be easily covered by a few specific test cases. These
 could be enabled by running the test suite with correct GIT_TEST_
 environment set.
 
-GIT_TEST_GETTEXT_POISON=<non-empty?> turns all strings marked for
-translation into gibberish if non-empty (think "test -n"). Used for
-spotting those tests that need to be marked with a C_LOCALE_OUTPUT
-prerequisite when adding more strings for translation. See "Testing
-marked strings" in po/README for details.
+GIT_TEST_FAIL_PREREQS=<boolean> fails all prerequisites. This is
+useful for discovering issues with the tests where say a later test
+implicitly depends on an optional earlier test.
+
+There's a "FAIL_PREREQS" prerequisite that can be used to test for
+whether this mode is active, and e.g. skip some tests that are hard to
+refactor to deal with it. The "SYMLINKS" prerequisite is currently
+excluded as so much relies on it, but this might change in the future.
+
+GIT_TEST_GETTEXT_POISON=<boolean> turns all strings marked for
+translation into gibberish if true. Used for spotting those tests that
+need to be marked with a C_LOCALE_OUTPUT prerequisite when adding more
+strings for translation. See "Testing marked strings" in po/README for
+details.
 
 GIT_TEST_SPLIT_INDEX=<boolean> forces split-index mode on the whole
 test suite. Accept any boolean values that are accepted by git-config.