Re: [PATCH 1/4] Update =~ regexps in linuxrc.s390 for bash-4.1 (#558537).

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Assuming you tested this successfully, this one looks good, but it is
not sufficient.

Could you also adapt loader/lsznet.raw accordingly to fix bug 558537
completely?

On 01/27/2010 06:46 PM, David Cantrell wrote:
> GNU bash 4.1 changes the behavior of the =~ operator in the [[ command.
>>From the bash FAQ:
> 
> E14) Why does quoting the pattern argument to the regular expression
>      matching conditional operator (=~) cause regexp matching to stop
>      working?

> ---
>  loader/linuxrc.s390 |   12 ++++++------
>  1 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/loader/linuxrc.s390 b/loader/linuxrc.s390
> index 7a6be69..9d04b9d 100644
> --- a/loader/linuxrc.s390
> +++ b/loader/linuxrc.s390
> @@ -688,7 +688,7 @@ function syntax_check_domainname() {
>      # - match against regex adopted from RFC1035,sec.2.3.1 or RFC1034,sec.3.5
>      #   (Internationalized Domain Names in Applications (IDNA) [RFC4690]
>      #    have to be entered after encoding by punycode [RFC3492])
> -    [[ "$1" =~ ^[[:alpha:]]([[:alnum:]-]{0,61}[[:alnum:]])?(\\.[[:alpha:]]([[:alnum:]-]{0,61}[[:alnum:]])?)*$ ]]
> +    [[ "$1" =~ ^[[:alpha:]]([[:alnum:]-]{0,61}[[:alnum:]])?(\.[[:alpha:]]([[:alnum:]-]{0,61}[[:alnum:]])?)*$ ]]
>      case $? in
>          0)
>              # string matched the pattern
> @@ -1091,10 +1091,10 @@ function syntax_check_subchannels() {
>      # - make subchannel question dependent on NETTYPE (2 vs. 3 subchannels)
>      if [ "$NETTYPE" = "qeth" ]; then
>          # - match against regex, depending on qeth
> -        [[ "$SUBCHANNELS" =~ ^[[:xdigit:]]+\\.[0-3]\\.[[:xdigit:]]{4},[[:xdigit:]]+\\.[0-3]\\.[[:xdigit:]]{4},[[:xdigit:]]+\\.[0-3]\\.[[:xdigit:]]{4}$ ]]
> +        [[ "$SUBCHANNELS" =~ ^[[:xdigit:]]+\.[0-3]\.[[:xdigit:]]{4},[[:xdigit:]]+\.[0-3]\.[[:xdigit:]]{4},[[:xdigit:]]+\.[0-3]\.[[:xdigit:]]{4}$ ]]
>      else
>          # - match against regex, depending on lcs/ctc
> -        [[ "$SUBCHANNELS" =~ ^[[:xdigit:]]+\\.[0-3]\\.[[:xdigit:]]{4},[[:xdigit:]]+\\.[0-3]\\.[[:xdigit:]]{4}$ ]]
> +        [[ "$SUBCHANNELS" =~ ^[[:xdigit:]]+\.[0-3]\.[[:xdigit:]]{4},[[:xdigit:]]+\.[0-3]\.[[:xdigit:]]{4}$ ]]
>      fi
>      case $? in
>          0)
> @@ -2418,7 +2418,7 @@ function parse_dasd() {
>                  unset IFS
>                  # parse: dev OR dev'-'dev
>                  local lo=${range%%-*}
> -                [[ "$lo" =~ (^[[:xdigit:]]+\\.[0-3]\\.[[:xdigit:]]{4}$)|(^[[:xdigit:]]{3,4}$) ]]
> +                [[ "$lo" =~ (^[[:xdigit:]]+\.[0-3]\.[[:xdigit:]]{4}$)|(^[[:xdigit:]]{3,4}$) ]]
>                  case $? in
>                      0)  # string matched the pattern
>                          lo=$(canonicalize_devno $lo) ;;
> @@ -2434,7 +2434,7 @@ function parse_dasd() {
>                  esac
>                  if [ "${range//*-*/}" = "" ]; then
>                      local hi=${range##*-}
> -                    [[ "$hi" =~ (^[[:xdigit:]]+\\.[0-3]\\.[[:xdigit:]]{4}$)|(^[[:xdigit:]]{3,4}$) ]]
> +                    [[ "$hi" =~ (^[[:xdigit:]]+\.[0-3]\.[[:xdigit:]]{4}$)|(^[[:xdigit:]]{3,4}$) ]]
>                      case $? in
>                          0)  # string matched the pattern
>                              hi=$(canonicalize_devno $hi)
> @@ -2595,7 +2595,7 @@ function syntax_check_fcp() {
>                  continue
>                  ;;
>          esac
> -        [[ "$devno" =~ (^[[:xdigit:]]+\\.[0-3]\\.[[:xdigit:]]{4}$)|(^[[:xdigit:]]{3,4}$) ]]
> +        [[ "$devno" =~ (^[[:xdigit:]]+\.[0-3]\.[[:xdigit:]]{4}$)|(^[[:xdigit:]]{3,4}$) ]]
>          case $? in
>              0)  ;; # string matched the pattern
>              1)  # string did not match the pattern

Steffen

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