On 08/12/2010 06:14 PM, cy.20.superconduc...@xoxy.net wrote: > I was going to mention passwd-grp.sh, but I see there's already a thread > for that, so I'll move right on to the next one. > > When I run setup.exe I always get an error for the bash.sh postinstall > script, it seems to be on the line of: > > /bin/test -e /dev/stdin || ln -s /proc/self/fd/0 /dev/stdin || result=1 > > I'm not so clear as to why this fails. test returns a status of 1 when > the script is run by the installer, and yet /dev/stdin does exist. > setup.log.full contains a predictable "ln: creating symbolic link > `/dev/stdin': File exists".
Aha. I finally figured out why. The postinstall script is run with stdin closed, but when you run it by hand, unless you did the redirection <&-, you run with stdin open. test -e /dev/stdin fails if it is a dangling symlink (which it is when stdin is closed), which then tries the ln but that fails because the dangling symlink is in the way. I should really be using test -h. $ test -e /dev/stdin; echo $? 0 $ test -e /dev/stdin <&-; echo $? 1 $ test -h /dev/stdin; echo $? 0 $ test -h /dev/stdin <&-; echo $? 0 Thanks for insisting that I fix this. -- Eric Blake ebl...@redhat.com +1-801-349-2682 Libvirt virtualization library http://libvirt.org
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