open corresponding URL of the repository of current directory

gopen

#!/bin/sh 

GIT='git'

if test `uname` = "Darwin" ; then
    SED_OPT='-E'
    OPEN='open'
else
    SED_OPT='-r'
    OPEN=''
fi

FETCH_URL=`$GIT remote show origin -n  | sed -n '/Fetch URL/p' | awk '{print $3}' | sed $SED_OPT 's/[:@]/ /g' `
PROTOCOL=`echo $FETCH_URL | cut -f 1 -d" "`
echo $PROTOCOL | 'grep' http > /dev/null
if [ $? -eq 0 ];then
  # http
  echo $FETCH_URL
  HOST=`echo $FETCH_URL | sed $SED_OPT 's/\/+/ /g' | awk '{print $2}'`
  REPOS=`echo $FETCH_URL | sed $SED_OPT 's/\/\// /' | sed $SED_OPT 's/\// /' | awk '{print $3}' | sed 's/.git$//'`
else
  # git
  HOST=`echo $FETCH_URL | awk '{print $2}' | sed $SED_OPT 's/^\/+//'`
  REPOS=`echo $FETCH_URL | awk '{print $3}' | sed 's/.git$//'`
fi

ORIGIN="http://$HOST/"
BRANCH=`$GIT branch | fgrep '*' | sed 's/^* //'`


echo $HOST | 'egrep' -q '^gist'
HOST_STARTS_W_GIST=$? # gist.github.com
echo $REPOS | 'egrep' -q '^gist\b'
REPOS_STARTS_W_GIST=$? # enterprise

if test $HOST_STARTS_W_GIST = 0 -o $REPOS_STARTS_W_GIST = 0; then
    GIST=YES
else
    GIST=NO
fi

COMMIT=$1
if test "x$COMMIT" = "x"  ; then
    if test $GIST = "YES" ; then
        URL="$ORIGIN$REPOS"
    else
        if test "x$BRANCH" = "x(no branch)"; then
            URL="$ORIGIN$REPOS"
        else
            URL="$ORIGIN$REPOS/tree/$BRANCH/$COMMIT"
        fi
    fi
else
    if test $GIST = "YES" ; then
        URL="$ORIGIN$REPOS/$COMMIT"
    else
        URL="$ORIGIN$REPOS/commit/$COMMIT"
    fi
fi
echo $URL
if test "x" != "x$OPEN" ; then
    $OPEN "$URL"
fi