git-clone: exit early if repo isn't specified

diff --git a/t/README b/t/README
index 2a94fdb0b83ab5fcbf1a2c6edaf36c2dbe765ec6..ac5a3ac563407c2450452689bde66962b0fa6b2e 100644 (file)
--- a/t/README
+++ b/t/README
@@ -20,9 +20,9 @@ the tests.
     *** t0000-basic.sh ***
     *   ok 1: .git/objects should be empty after git-init-db in an empty repo.
     *   ok 2: .git/objects should have 256 subdirectories.
-    *   ok 3: git-update-cache without --add should fail adding.
+    *   ok 3: git-update-index without --add should fail adding.
     ...
-    *   ok 23: no diff after checkout and git-update-cache --refresh.
+    *   ok 23: no diff after checkout and git-update-index --refresh.
     * passed all 23 test(s)
     *** t0100-environment-names.sh ***
     *   ok 1: using old names should issue warnings.
@@ -33,7 +33,7 @@ Or you can run each test individually from command line, like
 this:
 
     $ sh ./t3001-ls-files-killed.sh
-    *   ok 1: git-update-cache --add to add various paths.
+    *   ok 1: git-update-index --add to add various paths.
     *   ok 2: git-ls-files -k to show killed files.
     *   ok 3: validate git-ls-files -k output.
     * passed all 3 test(s)
@@ -79,6 +79,14 @@ Second digit tells the particular command we are testing.
 Third digit (optionally) tells the particular switch or group of switches
 we are testing.
 
+If you create files under t/ directory (i.e. here) that is not
+the top-level test script, never name the file to match the above
+pattern.  The Makefile here considers all such files as the
+top-level test script and tries to run all of them.  A care is
+especially needed if you are creating a common test library
+file, similar to test-lib.sh, because such a library file may
+not be suitable for standalone execution.
+
 
 Writing Tests
 -------------
@@ -155,8 +163,8 @@ library for your script to use.
    Example:
 
        test_expect_failure \
-           'git-update-cache without --add should fail adding.' \
-           'git-update-cache should-be-empty'
+           'git-update-index without --add should fail adding.' \
+           'git-update-index should-be-empty'
 
  - test_debug <script>