Hi!
> Signed-off-by: Hangbin Liu <liuhang...@gmail.com>
> ---
> testcases/lib/test.sh | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/testcases/lib/test.sh b/testcases/lib/test.sh
> index 1c9b126..4183512 100644
> --- a/testcases/lib/test.sh
> +++ b/testcases/lib/test.sh
> @@ -134,6 +134,26 @@ tst_check_cmds()
> done
> }
>
> +# tst_retry "command" [times]
> +# try run command for specified times, default is 3.
> +# Function returns 0 if succeed in RETRIES times or the last retcode the cmd
> +# returned
> +tst_retry()
> +{
> + local cmd="$1"
> + local RETRIES=${2:-"3"}
> + while [ $RETRIES -gt 0 ]; do
> + eval "$cmd"
> + ret=$?
> + if [ $ret -eq 0 ]; then
> + break
> + fi
> + let RETRIES--
The let construct is bash specific, we have to do RETRIES=$((RETRIES-1))
to keep the code working in rest of the shells as well.
> + sleep 1
> + done
> + return $ret
> +}
--
Cyril Hrubis
chru...@suse.cz
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