test-lib-functions.sh: remove misleading comment on test_seq

We never used the "letters" form since we came up with "test_seq" to replace use of non-portable "seq" in our test script, which we introduced it at d17cf5f3 (tests: Introduce test_seq, 2012-08-04). We use this helper to either iterate for N times (i.e. the values on the lines do not even matter), or just to get N distinct strings (i.e. the values on the lines themselves do not really matter, but we care that they are different from each other and reproducible). Stop promising that we may allow using "letters"; this would open an easier reimplementation that does not rely on $PERL, if somebody later wants to. Signed-off-by: Junio C Hamano <gitster@pobox.com>

Junio C Hamano committed May 9, 2016 at 11:36 UTC 55672a39b4e0f82e6f997879724ea37ca7e0d765
1 file changed +7 -14
t/test-lib-functions.sh
+7 -14
@@ -665,20 +665,13 @@ test_cmp_rev () {
665 test_cmp expect.rev actual.rev
666 }
667
668 -# Print a sequence of numbers or letters in increasing order. This is
669 -# similar to GNU seq(1), but the latter might not be available
670 -# everywhere (and does not do letters). It may be used like:
671 -#
672 -# for i in $(test_seq 100)
673 -# do
674 -# for j in $(test_seq 10 20)
675 -# do
676 -# for k in $(test_seq a z)
677 -# do
678 -# echo $i-$j-$k
679 -# done
680 -# done
681 -# done
668 +# Print a sequence of integers in increasing order, either with
669 +# two arguments (start and end):
670 +#
671 +# test_seq 1 5 -- outputs 1 2 3 4 5 one line at a time
672 +#
673 +# or with one argument (end), in which case it starts counting
674 +# from 1.
675
676 test_seq () {
677 case $# in