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-rw-r--r--debian/postinst27
1 files changed, 21 insertions, 6 deletions
diff --git a/debian/postinst b/debian/postinst
index 74caddf..1ba8910 100644
--- a/debian/postinst
+++ b/debian/postinst
@@ -11,12 +11,27 @@ case "$1" in
/usr/bin/w3m 25 \
--slave /usr/share/man/man1/www-browser.1.gz www-browser.1.gz \
/usr/share/man/man1/w3m.1.gz
- # Remove the conffile with the wrong location (the binary never used
- # it) that may be present from an older version.
- # (In our preinst, we've already ensured the sysadmin had a chance
- # of preserving any configuration made in it)
- rm -f /etc/w3m/w3mconfig
- ;;
+ # upgrade old config file to new config file
+ if test -e /etc/w3m/w3mconfig; then
+ mv -f /etc/w3m/w3mconfig /etc/w3m/w3mconfig.dpkg-tmp
+ tmp=$(tempfile -p w3m.subst.)
+ trap "rm -f $tmp" 0 1 2 15
+ while read opt val
+ do
+ val0=$(sed -ne 's/^'$opt'[[:space:]]*//p' /etc/w3m/w3mconfig.dpkg-tmp)
+ if [ "$val0" != "" ] && [ "$val" != "$val0" ]; then
+ echo 's/^'$opt'[[:space:]]*.*/'$opt' '$val0'/' >> $tmp
+ fi
+ done < /etc/w3m/config
+ if test -s $tmp; then
+ mv -f /etc/w3m/config /etc/w3m/config.dpkg-tmp
+ sed -f $tmp /etc/w3m/config.dpkg-tmp > /etc/w3m/config
+ rm -f $tmp
+ rm -f /etc/w3m/config.dpkg-tmp
+ fi
+ rm -f /etc/w3m/w3mconfig /etc/w3m/w3mconfig.dpkg-tmp
+ fi
+ ;;
*)
esac