git-web--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
  19 USAGE='[--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.
  23 NONGIT_OK=Yes
  24 . git-sh-setup
  25
  26 valid_custom_tool()
  27 {
  28         browser_cmd="$(git config "browser.$1.cmd")"
  29         test -n "$browser_cmd"
  30 }
  31
  32 valid_tool() {
  33         case "$1" in
  34         firefox | iceweasel | seamonkey | iceape | \
  35         chrome | google-chrome | chromium | chromium-browser |\
  36         konqueror | opera | w3m | elinks | links | lynx | dillo | open | start)
  37                 ;; # happy
  38         *)
  39                 valid_custom_tool "$1" || return 1
  40                 ;;
  41         esac
  42 }
  43
  44 init_browser_path() {
  45         browser_path=$(git config "browser.$1.path")
  46         if test -z "$browser_path" &&
  47            test "$1" = chromium &&
  48            type chromium-browser >/dev/null 2>&1
  49         then
  50                 browser_path=chromium-browser
  51         fi
  52         : ${browser_path:="$1"}
  53 }
  54
  55 while test $# != 0
  56 do
  57         case "$1" in
  58         -b|--browser*|-t|--tool*)
  59                 case "$#,$1" in
  60                 *,*=*)
  61                         browser=`expr "z$1" : 'z-[^=]*=\(.*\)'`
  62                         ;;
  63                 1,*)
  64                         usage ;;
  65                 *)
  66                         browser="$2"
  67                         shift ;;
  68                 esac
  69                 ;;
  70         -c|--config*)
  71                 case "$#,$1" in
  72                 *,*=*)
  73                         conf=`expr "z$1" : 'z-[^=]*=\(.*\)'`
  74                         ;;
  75                 1,*)
  76                         usage ;;
  77                 *)
  78                         conf="$2"
  79                         shift ;;
  80                 esac
  81                 ;;
  82         --)
  83                 break
  84                 ;;
  85         -*)
  86                 usage
  87                 ;;
  88         *)
  89                 break
  90                 ;;
  91         esac
  92         shift
  93 done
  94
  95 test $# = 0 && usage
  96
  97 if test -z "$browser"
  98 then
  99         for opt in "$conf" "web.browser"
 100         do
 101                 test -z "$opt" && continue
 102                 browser="`git config $opt`"
 103                 test -z "$browser" || break
 104         done
 105         if test -n "$browser" && ! valid_tool "$browser"; then
 106                 echo >&2 "git config option $opt set to unknown browser: $browser"
 107                 echo >&2 "Resetting to default..."
 108                 unset browser
 109         fi
 110 fi
 111
 112 if test -z "$browser" ; then
 113         if test -n "$DISPLAY"; then
 114                 browser_candidates="firefox iceweasel google-chrome chrome chromium chromium-browser konqueror opera seamonkey iceape w3m elinks links lynx dillo"
 115                 if test "$KDE_FULL_SESSION" = "true"; then
 116                         browser_candidates="konqueror $browser_candidates"
 117                 fi
 118         else
 119                 browser_candidates="w3m elinks links lynx"
 120         fi
 121         # SECURITYSESSIONID indicates an OS X GUI login session
 122         if test -n "$SECURITYSESSIONID" \
 123                 -o "$TERM_PROGRAM" = "Apple_Terminal" ; then
 124                 browser_candidates="open $browser_candidates"
 125         fi
 126         # /bin/start indicates MinGW
 127         if test -x /bin/start; then
 128                 browser_candidates="start $browser_candidates"
 129         fi
 130
 131         for i in $browser_candidates; do
 132                 init_browser_path $i
 133                 if type "$browser_path" > /dev/null 2>&1; then
 134                         browser=$i
 135                         break
 136                 fi
 137         done
 138         test -z "$browser" && die "No known browser available."
 139 else
 140         valid_tool "$browser" || die "Unknown browser '$browser'."
 141
 142         init_browser_path "$browser"
 143
 144         if test -z "$browser_cmd" && ! type "$browser_path" > /dev/null 2>&1; then
 145                 die "The browser $browser is not available as '$browser_path'."
 146         fi
 147 fi
 148
 149 case "$browser" in
 150 firefox|iceweasel|seamonkey|iceape)
 151         # Check version because firefox < 2.0 does not support "-new-tab".
 152         vers=$(expr "$($browser_path -version)" : '.* \([0-9][0-9]*\)\..*')
 153         NEWTAB='-new-tab'
 154         test "$vers" -lt 2 && NEWTAB=''
 155         "$browser_path" $NEWTAB "$@" &
 156         ;;
 157 google-chrome|chrome|chromium|chromium-browser)
 158         # No need to specify newTab. It's default in chromium
 159         "$browser_path" "$@" &
 160         ;;
 161 konqueror)
 162         case "$(basename "$browser_path")" in
 163         konqueror)
 164                 # It's simpler to use kfmclient to open a new tab in konqueror.
 165                 browser_path="$(echo "$browser_path" | sed -e 's/konqueror$/kfmclient/')"
 166                 type "$browser_path" > /dev/null 2>&1 || die "No '$browser_path' found."
 167                 "$browser_path" newTab "$@" &
 168                 ;;
 169         kfmclient)
 170                 "$browser_path" newTab "$@" &
 171                 ;;
 172         *)
 173                 "$browser_path" "$@" &
 174                 ;;
 175         esac
 176         ;;
 177 w3m|elinks|links|lynx|open)
 178         "$browser_path" "$@"
 179         ;;
 180 start)
 181         exec "$browser_path" '"web-browse"' "$@"
 182         ;;
 183 opera|dillo)
 184         "$browser_path" "$@" &
 185         ;;
 186 *)
 187         if test -n "$browser_cmd"; then
 188                 ( eval "$browser_cmd \"\$@\"" )
 189         fi
 190         ;;
 191 esac