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Re: cygwin bughunt (snapshot)


On Mon, Feb 28, 2005 at 06:53:50PM +0100, David Dindorp wrote:
>Bash seems to think that it's child has terminated prematurely.
>Has anyone experienced something similar?
>
>Evidence: See the order of execution in the script below,
>compare with what bash does (further below).
>
>Version: snapshot 20050226 / bash 3.0.
>
>If I'm grossly missing anything from my error reports,
>could you please point it out?  Thank you...

http://cygwin.com/problems.html

>Script:
>======================
>tar --remove-files --ignore-failed-read -cvf \
>    "$arcrfname" "$arcsourcedir"
>
>cerr=$?
>
>sleep 30
>
>if [ $cerr -ne 0 ]; then
>  echo "`date +'%Y-%m-%d %H:%M:%S'`: TAR error $cerr."
>fi
>
>if [ -f "$arcrfname" ]; then
>  echo "`date +'%Y-%m-%d %H:%M:%S'`: TAR OK."
>else
>  echo "`date +'%Y-%m-%d %H:%M:%S'`: TAR failed."
>fi
>======================

It's difficult to see how this could be an actual run of the above script.

>Log file:
>======================
>+++ tar --remove-files --ignore-failed-read -cvf \
>    /0007-02-2005-02-28-14-05-06-readyarchive_quick.tar ready-quick
                                                         ^^^^^^^^^^^
>+++ cerr=0
>+++ sleep 30
>+++ '[' 0 -ne 0 ']'
>+++ '[' -f 0007-02-2005-02-28-14-05-06-readyarchive_quick.tar ']'
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
What happened to the leading slash?

>++++ date '+%Y-%m-%d %H:%M:%S'
>tar: Removing leading `/' from member names
>/var/ready-quick/
 ^^^^^^^^^^^^^^^^^
Where did the /var come from?  It wasn't mentioned in the output above.

FWIW, when I try this, everything works as expected.  It's difficult to
see how this could be executed out of order unless your tar and/or sleep
are not standard cygwin programs.

cgf

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