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