t/README: document test_cmp_rev

test_cmp_rev is a useful function that's used in quite a few test scripts. It is however not documented in t/README. Document it. Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Thomas Gummerer committed Nov 26, 2017 at 20:21 UTC 5a0526264b472dff1def6b5c6facd0e9a54cbac7
1 file changed +5
t/README
+5
@@ -674,6 +674,11 @@ library for your script to use.
674 <expected> file. This behaves like "cmp" but produces more
675 helpful output when the test is run with "-v" option.
676
677 + - test_cmp_rev <expected> <actual>
678 +
679 + Check whether the <expected> rev points to the same commit as the
680 + <actual> rev.
681 +
682 - test_line_count (= | -lt | -ge | ...) <length> <file>
683
684 Check whether a file has the length it is expected to.