return ${RTN}
}
-# TODO: Is it supported to use pager settings like this?
-# PAGER='less -Mr' - If so, the use of $PAGER here needs fixing
-# with respect to wordsplitting. (ie. ${=PAGER})
if check_com -c $PAGER ; then
#f3# View Debian's changelog of given package(s)
function dchange () {
[[ -z "$1" ]] && printf 'Usage: %s <package_name(s)>\n' "$0" && return 1
local package
+
+ # `less` as $PAGER without e.g. `|lesspipe %s` inside $LESSOPEN can't properly
+ # read *.gz files, try to detect this to use vi instead iff available
+ local viewer
+
+ if [[ ${$(typeset -p PAGER)[2]} = -a ]] ; then
+ viewer=($PAGER) # support PAGER=(less -Mr) but leave array untouched
+ else
+ viewer=(${=PAGER}) # support PAGER='less -Mr'
+ fi
+
+ if [[ ${viewer[1]:t} = less ]] && [[ -z "${LESSOPEN}" ]] && check_com vi ; then
+ viewer='vi'
+ fi
+
for package in "$@" ; do
if [[ -r /usr/share/doc/${package}/changelog.Debian.gz ]] ; then
- $PAGER /usr/share/doc/${package}/changelog.Debian.gz
+ $viewer /usr/share/doc/${package}/changelog.Debian.gz
elif [[ -r /usr/share/doc/${package}/changelog.gz ]] ; then
- $PAGER /usr/share/doc/${package}/changelog.gz
+ $viewer /usr/share/doc/${package}/changelog.gz
elif [[ -r /usr/share/doc/${package}/changelog ]] ; then
- $PAGER /usr/share/doc/${package}/changelog
+ $viewer /usr/share/doc/${package}/changelog
else
if check_com -c aptitude ; then
echo "No changelog for package $package found, using aptitude to retrieve it."