Andrew's git - gitweb.git/blob - git-help--browse.sh

   1#!/bin/sh
   2#
   3# This program launch a web browser on the html page
   4# describing a git command.
   5#
   6# Copyright (c) 2007 Christian Couder
   7# Copyright (c) 2006 Theodore Y. Ts'o
   8#
   9# This file is heavily stolen from git-mergetool.sh, by
  10# Theodore Y. Ts'o (thanks) that is:
  11#
  12# Copyright (c) 2006 Theodore Y. Ts'o
  13#
  14# This file is licensed under the GPL v2, or a later version
  15# at the discretion of Junio C Hamano or any other official
  16# git maintainer.
  17#
  18
  19USAGE='[--browser=browser|--tool=browser] [cmd to display] ...'
  20
  21# This must be capable of running outside of git directory, so
  22# the vanilla git-sh-setup should not be used.
  23NONGIT_OK=Yes
  24. git-sh-setup
  25
  26# Install data.
  27html_dir="@@HTMLDIR@@"
  28
  29test -f "$html_dir/git.html" || die "No documentation directory found."
  30
  31valid_tool() {
  32        case "$1" in
  33                firefox | iceweasel | konqueror | w3m | links | lynx | dillo)
  34                        ;; # happy
  35                *)
  36                        return 1
  37                        ;;
  38        esac
  39}
  40
  41init_browser_path() {
  42        browser_path=`git config browser.$1.path`
  43        test -z "$browser_path" && browser_path=$1
  44}
  45
  46while test $# != 0
  47do
  48    case "$1" in
  49        -b|--browser*|-t|--tool*)
  50            case "$#,$1" in
  51                *,*=*)
  52                    browser=`expr "z$1" : 'z-[^=]*=\(.*\)'`
  53                    ;;
  54                1,*)
  55                    usage ;;
  56                *)
  57                    browser="$2"
  58                    shift ;;
  59            esac
  60            ;;
  61        --)
  62            break
  63            ;;
  64        -*)
  65            usage
  66            ;;
  67        *)
  68            break
  69            ;;
  70    esac
  71    shift
  72done
  73
  74if test -z "$browser"
  75then
  76    for opt in "help.browser" "web.browser"
  77    do
  78        browser="`git config $opt`"
  79        test -z "$browser" || break
  80    done
  81    if test -n "$browser" && ! valid_tool "$browser"; then
  82            echo >&2 "git config option $opt set to unknown browser: $browser"
  83            echo >&2 "Resetting to default..."
  84            unset browser
  85    fi
  86fi
  87
  88if test -z "$browser" ; then
  89    if test -n "$DISPLAY"; then
  90        browser_candidates="firefox iceweasel konqueror w3m links lynx dillo"
  91        if test "$KDE_FULL_SESSION" = "true"; then
  92            browser_candidates="konqueror $browser_candidates"
  93        fi
  94    else
  95        browser_candidates="w3m links lynx"
  96    fi
  97
  98    for i in $browser_candidates; do
  99        init_browser_path $i
 100        if type "$browser_path" > /dev/null 2>&1; then
 101            browser=$i
 102            break
 103        fi
 104    done
 105    test -z "$browser" && die "No known browser available."
 106else
 107    valid_tool "$browser" || die "Unknown browser '$browser'."
 108
 109    init_browser_path "$browser"
 110
 111    if ! type "$browser_path" > /dev/null 2>&1; then
 112        die "The browser $browser is not available as '$browser_path'."
 113    fi
 114fi
 115
 116pages=$(for p in "$@"; do echo "$html_dir/$p.html" ; done)
 117test -z "$pages" && pages="$html_dir/git.html"
 118
 119case "$browser" in
 120    firefox|iceweasel)
 121        # Check version because firefox < 2.0 does not support "-new-tab".
 122        vers=$(expr "$($browser_path -version)" : '.* \([0-9][0-9]*\)\..*')
 123        NEWTAB='-new-tab'
 124        test "$vers" -lt 2 && NEWTAB=''
 125        nohup "$browser_path" $NEWTAB $pages &
 126        ;;
 127    konqueror)
 128        case "$(basename "$browser_path")" in
 129            konqueror)
 130                # It's simpler to use kfmclient to open a new tab in konqueror.
 131                browser_path="$(echo "$browser_path" | sed -e 's/konqueror$/kfmclient/')"
 132                type "$browser_path" > /dev/null 2>&1 || die "No '$browser_path' found."
 133                eval "$browser_path" newTab $pages
 134                ;;
 135            kfmclient)
 136                eval "$browser_path" newTab $pages
 137                ;;
 138            *)
 139                nohup "$browser_path" $pages &
 140                ;;
 141        esac
 142        ;;
 143    w3m|links|lynx)
 144        eval "$browser_path" $pages
 145        ;;
 146    dillo)
 147        nohup "$browser_path" $pages &
 148        ;;
 149esac