midx: add test that 'expire' respects .keep files

diff --git a/t/README b/t/README
index e3652ff50b6df0209c94de82dd551460e5831172..6404f33e19421c47999518138ed6f46a066921c0 100644 (file)
--- a/t/README
+++ b/t/README
@@ -402,6 +402,10 @@ GIT_TEST_SIDEBAND_ALL=<boolean>, when true, overrides the
 fetch-pack to not request sideband-all (even if the server advertises
 sideband-all).
 
+GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=<boolean>, when true (which is
+the default when running tests), errors out when an abbreviated option
+is used.
+
 Naming Tests
 ------------
 
@@ -867,6 +871,26 @@ library for your script to use.
                ...
        '
 
+ - test_atexit <script>
+
+   Prepend <script> to a list of commands to run unconditionally to
+   clean up before the test script exits, e.g. to stop a daemon:
+
+       test_expect_success 'test git daemon' '
+               git daemon &
+               daemon_pid=$! &&
+               test_atexit 'kill $daemon_pid' &&
+               hello world
+       '
+
+   The commands will be executed before the trash directory is removed,
+   i.e. the atexit commands will still be able to access any pidfiles or
+   socket files.
+
+   Note that these commands will be run even when a test script run
+   with '--immediate' fails.  Be careful with your atexit commands to
+   minimize any changes to the failed state.
+
  - test_write_lines <lines>
 
    Write <lines> on standard output, one line per argument.