commit | 7d661e5ed16dca303d7898f5ab0cc2ffc69e0499 | [log] [tgz] |
---|---|---|
author | SZEDER Gábor <szeder.dev@gmail.com> | Mon Feb 11 20:58:03 2019 +0100 |
committer | Junio C Hamano <gitster@pobox.com> | Mon Feb 11 14:34:36 2019 -0800 |
tree | 4469d0e973a2ceeaaa237940979c107dd2998cb1 | |
parent | 76e27fbfd92030a685a591cc89f63de2cc37f540 [diff] |
test-lib: fix non-portable pattern bracket expressions Use a '!' character to start a non-matching pattern bracket expression, as specified by POSIX in Shell Command Language section 2.13.1 Patterns Matching a Single Character [1]. I used '^' instead in three places in the previous three commits, to verify that the arguments of the '--stress=' and '--stress-limit=' options and the values of various '*_PORT' environment variables are valid numbers. With certain shells, at least with dash (upstream and in Ubuntu 14.04) and mksh, this led to various undesired behaviors: # error message in case of a valid number $ ~/src/dash/src/dash ./t3903-stash.sh --stress=8 error: --stress=<N> requires the number of jobs to run # not the expected error message $ ~/src/dash/src/dash ./t3903-stash.sh --stress=foo ./t3903-stash.sh: 238: test: Illegal number: foo # no error message at all?! $ mksh ./t3903-stash.sh --stress=foo $ echo $? 0 Some other shells, e.g. Bash (even in posix mode), ksh, dash in Ubuntu 16.04 or later, are apparently happy to accept '^' just as well. [1] http://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_13 Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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