Re: bin/53458: usr.sbin/ypserv/ypinit: error while checking hostname

[Frédéric Fauberteau <triaxx%NetBSD.org@localhost>]

*Sorry for this from-scratch-mail, but I didn't subscribe the right ml*

defiler# sh -x /usr/sbin/ypinit -m
+ '[' -f /etc/shrc ']'
+ . /etc/shrc
+ 
PATH='/bin:/usr/sbin:/usr/bin:/sbin:/usr/sbin:/bin:/usr/bin:/usr/pkg/sbin:/usr/pkg/bin:/usr/X11R7/bin:/usr/local/sbin:/usr/local/bin'
+ DOMAINNAME=/bin/domainname
+ HOSTNAME=/bin/hostname
+ ID=/usr/bin/id
+ INSTALL=/usr/bin/install
+ MAKEDBM=/usr/sbin/makedbm
+ YPWHICH=/usr/bin/ypwhich
+ YPXFR=/usr/sbin/ypxfr
+ basename /usr/sbin/ypinit
+ progname=ypinit
+ yp_dir=/var/yp
+ mktemp /tmp/ypservers.XXXXXX
+ tmpfile=/tmp/ypservers.78GZ3v
+ trap 'rm -f /tmp/ypservers.78GZ3v ; exit 0' EXIT INT QUIT
+ umask 077
+ /usr/bin/id -u
+ '[' 0 '!=' 0 ']'
+ getopt 'cl:ms:' -m
+ args=' -m --'
+ '[' 0 -eq 0 ']'
+ set -- -m --
+ for i=-m
+ servertype=master
+ shift
+ for i=--
+ shift
+ break
+ '[' 0 -eq 1 ']'
+ /bin/domainname
+ domain=triaxx
+ '[' -z master ']'
+ '[' -z triaxx ']'
+ defiler.triaxx.org
defiler.triaxx.org: not found
+ host=''
+ '[' -z '' ']'
+ cat >&2 <<...
ypinit: The local host's hostname has not been set.
        Please set it with the hostname(1) command.
+ exit 1
+ rm -f /tmp/ypservers.78GZ3v
+ exit 0

I don't really understand why the following script:
#!/bin/sh
HOSTNAME=foo
echo ${HOSTNAME}

produces the following output:
defiler.triaxx.org