command, the entries in template/.similar can really be regular
expressions. This isn't a new feature, just an observation of what the
code already did.
if test -f "template/$host"
then TEMPLATE="$host"
else
- # Next try for an exact match to a .similar entry.
- # There shouldn't be multiple matches, but take the last if there are.
- GUESS=`grep "^$host=" template/.similar | sed 's/^.*=//' | tail -1`
+ # Scan template/.similar for a rule that tells us which template to use.
+ # The format of each line of the file is
+ # hostnamepattern=templatefilename
+ # where the hostnamepattern is evaluated per the rules of expr(1) ---
+ # namely, it is a standard regular expression with an implicit ^ at the
+ # start. If multiple lines match, we will end up using the last match.
+ GUESS=""
+ exec 4
+ while read LINE <&4
+ do
+ SIMHOST=`expr "$LINE" : '\(.*\)='`
+ MATCH=`expr "$host" : "$SIMHOST"`
+ if test "$MATCH" != 0
+ then GUESS=`echo "$LINE" | sed 's/^.*=//'`
+ fi
+ done
+ exec 4<&-
if test "$GUESS"
then TEMPLATE="$GUESS"
else
- # Next look for a .similar entry that is a prefix of $host.
- # If there are multiple matches, take the last one.
- exec 4
- while read LINE <&4
- do
- SIMHOST=`expr "$LINE" : '\(.*\)='`
- MATCH=`expr "$host" : "$SIMHOST"`
- if test "$MATCH" != 0
- then GUESS=`echo "$LINE" | sed 's/^.*=//'`
- fi
- done
- exec 4<&-
- if test "$GUESS"
- then TEMPLATE="$GUESS"
- else
- # Last chance ... maybe uname -s will match an entry.
- TEMPLATE=`uname -s | tr '[[A-Z]]' '[[a-z]]'`
- fi
+ # Last chance ... maybe uname -s will match an entry.
+ TEMPLATE=`uname -s | tr '[[A-Z]]' '[[a-z]]'`
fi
fi
])
echo ""
echo "$TEMPLATE does not exist"
echo ""
- echo "Available Templates (set using --with-template):"
+ echo "Available Templates (select one using --with-template):"
echo ""
ls template
echo ""
projects / postgresql.git / commitdiff