git-help--browse.shon commit help--browse: add '--config' option to check a config option for a browser. (caa8771)
   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] [--config=conf.var] url/file ...'
  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
  26valid_tool() {
  27        case "$1" in
  28                firefox | iceweasel | konqueror | w3m | links | lynx | dillo)
  29                        ;; # happy
  30                *)
  31                        return 1
  32                        ;;
  33        esac
  34}
  35
  36init_browser_path() {
  37        browser_path=`git config browser.$1.path`
  38        test -z "$browser_path" && browser_path=$1
  39}
  40
  41while test $# != 0
  42do
  43    case "$1" in
  44        -b|--browser*|-t|--tool*)
  45            case "$#,$1" in
  46                *,*=*)
  47                    browser=`expr "z$1" : 'z-[^=]*=\(.*\)'`
  48                    ;;
  49                1,*)
  50                    usage ;;
  51                *)
  52                    browser="$2"
  53                    shift ;;
  54            esac
  55            ;;
  56        -c|--config*)
  57            case "$#,$1" in
  58                *,*=*)
  59                    conf=`expr "z$1" : 'z-[^=]*=\(.*\)'`
  60                    ;;
  61                1,*)
  62                    usage ;;
  63                *)
  64                    conf="$2"
  65                    shift ;;
  66            esac
  67            ;;
  68        --)
  69            break
  70            ;;
  71        -*)
  72            usage
  73            ;;
  74        *)
  75            break
  76            ;;
  77    esac
  78    shift
  79done
  80
  81test $# = 0 && usage
  82
  83if test -z "$browser"
  84then
  85    for opt in "$conf" "web.browser"
  86    do
  87        test -z "$opt" && continue
  88        browser="`git config $opt`"
  89        test -z "$browser" || break
  90    done
  91    if test -n "$browser" && ! valid_tool "$browser"; then
  92        echo >&2 "git config option $opt set to unknown browser: $browser"
  93        echo >&2 "Resetting to default..."
  94        unset browser
  95    fi
  96fi
  97
  98if test -z "$browser" ; then
  99    if test -n "$DISPLAY"; then
 100        browser_candidates="firefox iceweasel konqueror w3m links lynx dillo"
 101        if test "$KDE_FULL_SESSION" = "true"; then
 102            browser_candidates="konqueror $browser_candidates"
 103        fi
 104    else
 105        browser_candidates="w3m links lynx"
 106    fi
 107
 108    for i in $browser_candidates; do
 109        init_browser_path $i
 110        if type "$browser_path" > /dev/null 2>&1; then
 111            browser=$i
 112            break
 113        fi
 114    done
 115    test -z "$browser" && die "No known browser available."
 116else
 117    valid_tool "$browser" || die "Unknown browser '$browser'."
 118
 119    init_browser_path "$browser"
 120
 121    if ! type "$browser_path" > /dev/null 2>&1; then
 122        die "The browser $browser is not available as '$browser_path'."
 123    fi
 124fi
 125
 126case "$browser" in
 127    firefox|iceweasel)
 128        # Check version because firefox < 2.0 does not support "-new-tab".
 129        vers=$(expr "$($browser_path -version)" : '.* \([0-9][0-9]*\)\..*')
 130        NEWTAB='-new-tab'
 131        test "$vers" -lt 2 && NEWTAB=''
 132        nohup "$browser_path" $NEWTAB "$@" &
 133        ;;
 134    konqueror)
 135        case "$(basename "$browser_path")" in
 136            konqueror)
 137                # It's simpler to use kfmclient to open a new tab in konqueror.
 138                browser_path="$(echo "$browser_path" | sed -e 's/konqueror$/kfmclient/')"
 139                type "$browser_path" > /dev/null 2>&1 || die "No '$browser_path' found."
 140                eval "$browser_path" newTab "$@"
 141                ;;
 142            kfmclient)
 143                eval "$browser_path" newTab "$@"
 144                ;;
 145            *)
 146                nohup "$browser_path" "$@" &
 147                ;;
 148        esac
 149        ;;
 150    w3m|links|lynx)
 151        eval "$browser_path" "$@"
 152        ;;
 153    dillo)
 154        nohup "$browser_path" "$@" &
 155        ;;
 156esac