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tag: v1.8.2-rc2
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#!/bin/sh
#
# This program launch a web browser on the html page
# describing a git command.
#
# Copyright (c) 2007 Christian Couder
# Copyright (c) 2006 Theodore Y. Ts'o
#
# This file is heavily stolen from git-mergetool.sh, by
# Theodore Y. Ts'o (thanks) that is:
#
# Copyright (c) 2006 Theodore Y. Ts'o
#
# This file is licensed under the GPL v2, or a later version
# at the discretion of Junio C Hamano or any other official
# git maintainer.
#

USAGE='[--browser=browser|--tool=browser] [--config=conf.var] url/file ...'

# This must be capable of running outside of git directory, so
# the vanilla git-sh-setup should not be used.
NONGIT_OK=Yes
. git-sh-setup

valid_custom_tool()
{
browser_cmd="$(git config "browser.$1.cmd")"
test -n "$browser_cmd"
}

valid_tool() {
case "$1" in
firefox | iceweasel | seamonkey | iceape | \
chrome | google-chrome | chromium | chromium-browser |\
konqueror | opera | w3m | elinks | links | lynx | dillo | open | start)
;; # happy
*)
valid_custom_tool "$1" || return 1
;;
esac
}

init_browser_path() {
browser_path=$(git config "browser.$1.path")
if test -z "$browser_path" &&
test "$1" = chromium &&
type chromium-browser >/dev/null 2>&1
then
browser_path=chromium-browser
fi
: ${browser_path:="$1"}
}

while test $# != 0
do
case "$1" in
-b|--browser*|-t|--tool*)
case "$#,$1" in
*,*=*)
browser=`expr "z$1" : 'z-[^=]*=\(.*\)'`
;;
1,*)
usage ;;
*)
browser="$2"
shift ;;
esac
;;
-c|--config*)
case "$#,$1" in
*,*=*)
conf=`expr "z$1" : 'z-[^=]*=\(.*\)'`
;;
1,*)
usage ;;
*)
conf="$2"
shift ;;
esac
;;
--)
break
;;
-*)
usage
;;
*)
break
;;
esac
shift
done

test $# = 0 && usage

if test -z "$browser"
then
for opt in "$conf" "web.browser"
do
test -z "$opt" && continue
browser="`git config $opt`"
test -z "$browser" || break
done
if test -n "$browser" && ! valid_tool "$browser"; then
echo >&2 "git config option $opt set to unknown browser: $browser"
echo >&2 "Resetting to default..."
unset browser
fi
fi

if test -z "$browser" ; then
if test -n "$DISPLAY"; then
browser_candidates="firefox iceweasel google-chrome chrome chromium chromium-browser konqueror opera seamonkey iceape w3m elinks links lynx dillo"
if test "$KDE_FULL_SESSION" = "true"; then
browser_candidates="konqueror $browser_candidates"
fi
else
browser_candidates="w3m elinks links lynx"
fi
# SECURITYSESSIONID indicates an OS X GUI login session
if test -n "$SECURITYSESSIONID" \
-o "$TERM_PROGRAM" = "Apple_Terminal" ; then
browser_candidates="open $browser_candidates"
fi
# /bin/start indicates MinGW
if test -x /bin/start; then
browser_candidates="start $browser_candidates"
fi

for i in $browser_candidates; do
init_browser_path $i
if type "$browser_path" > /dev/null 2>&1; then
browser=$i
break
fi
done
test -z "$browser" && die "No known browser available."
else
valid_tool "$browser" || die "Unknown browser '$browser'."

init_browser_path "$browser"

if test -z "$browser_cmd" && ! type "$browser_path" > /dev/null 2>&1; then
die "The browser $browser is not available as '$browser_path'."
fi
fi

case "$browser" in
firefox|iceweasel|seamonkey|iceape)
# Check version because firefox < 2.0 does not support "-new-tab".
vers=$(expr "$($browser_path -version)" : '.* \([0-9][0-9]*\)\..*')
NEWTAB='-new-tab'
test "$vers" -lt 2 && NEWTAB=''
"$browser_path" $NEWTAB "$@" &
;;
google-chrome|chrome|chromium|chromium-browser)
# No need to specify newTab. It's default in chromium
"$browser_path" "$@" &
;;
konqueror)
case "$(basename "$browser_path")" in
konqueror)
# It's simpler to use kfmclient to open a new tab in konqueror.
browser_path="$(echo "$browser_path" | sed -e 's/konqueror$/kfmclient/')"
type "$browser_path" > /dev/null 2>&1 || die "No '$browser_path' found."
"$browser_path" newTab "$@" &
;;
kfmclient)
"$browser_path" newTab "$@" &
;;
*)
"$browser_path" "$@" &
;;
esac
;;
w3m|elinks|links|lynx|open)
"$browser_path" "$@"
;;
start)
exec "$browser_path" '"web-browse"' "$@"
;;
opera|dillo)
"$browser_path" "$@" &
;;
*)
if test -n "$browser_cmd"; then
( eval "$browser_cmd \"\$@\"" )
fi
;;
esac
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