add dman command from manpages.ubuntu.com
this command can fetch manpages from an online site even if they are unavailable locally
Antoine Beaupré
6 years ago
| 0 | #!/bin/sh -e | |
| 1 | ||
| 2 | ############################################################################### | |
| 3 | # This is the Ubuntu manpage repository generator and interface. | |
| 4 | # | |
| 5 | # Copyright (C) 2008 Canonical Ltd. | |
| 6 | # | |
| 7 | # This code was originally written by Dustin Kirkland <kirkland@ubuntu.com>, | |
| 8 | # based on a framework by Kees Cook <kees@ubuntu.com>. | |
| 9 | # | |
| 10 | # This program is free software: you can redistribute it and/or modify | |
| 11 | # it under the terms of the GNU General Public License as published by | |
| 12 | # the Free Software Foundation, either version 3 of the License, or | |
| 13 | # (at your option) any later version. | |
| 14 | # | |
| 15 | # This program is distributed in the hope that it will be useful, | |
| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | # GNU General Public License for more details. | |
| 19 | # | |
| 20 | # You should have received a copy of the GNU General Public License | |
| 21 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 22 | # | |
| 23 | # On Debian-based systems, the complete text of the GNU General Public | |
| 24 | # License can be found in /usr/share/common-licenses/GPL-3 | |
| 25 | ############################################################################### | |
| 26 | ||
| 27 | ||
| 28 | . /etc/lsb-release | |
| 29 | while true; do | |
| 30 | case "$1" in | |
| 31 | --release) | |
| 32 | DISTRIB_CODENAME="$2" | |
| 33 | shift 2 | |
| 34 | ;; | |
| 35 | *) | |
| 36 | break | |
| 37 | ;; | |
| 38 | esac | |
| 39 | done | |
| 40 | PAGE=`echo "$@" | awk '{print $NF}'` | |
| 41 | MAN_ARGS=`echo "$@" | sed "s/\$PAGE$//"` | |
| 42 | ||
| 43 | # Mirror support of man's languages | |
| 44 | if [ ! -z "$LANG" ]; then | |
| 45 | LOCALE="$LANG" | |
| 46 | fi | |
| 47 | if [ ! -z "$LC_MESSAGES" ]; then | |
| 48 | LOCALE="$LC_MESSAGES" | |
| 49 | fi | |
| 50 | if echo $LOCALE | grep -q "^en"; then | |
| 51 | LOCALE="" | |
| 52 | fi | |
| 53 | ||
| 54 | URL="http://manpages.ubuntu.com/manpages.gz/" | |
| 55 | ||
| 56 | mandir=`mktemp -d dman.XXXXXX` | |
| 57 | trap "rm -rf $mandir" EXIT HUP INT QUIT TERM | |
| 58 | for i in `seq 1 9`; do | |
| 59 | man="$mandir/$i" | |
| 60 | if wget -O "$man" "$URL/$DISTRIB_CODENAME/$LOCALE/man$i/$PAGE.$i.gz" 2>/dev/null; then | |
| 61 | man $MAN_ARGS -l "$man" || true | |
| 62 | fi | |
| 63 | rm -f "$man" | |
| 64 | done |