#!/bin/bash

#

# git.sh -- This function standardizes Git tasks inside the

# repository.

#

# Copyright (C) 2009-2013 The CentOS Project

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or (at

# your option) any later version.

#

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#

# ----------------------------------------------------------------------

# $Id$

# ----------------------------------------------------------------------

function git {

    # Redefine positional parameters using ARGUMENTS. At this point,

    # option arguments have been removed from ARGUMENTS variable and

    # only non-option arguments remain in it. 

    eval set -- "$ARGUMENTS"

    # Don't realize action value verification here. There are actions

    # like `copy' and `rename' that require two arguments from which

    # the last one doesn't exist at the moment of executing the

    # command. This will provoke the second action value verification

    # to fail when indeed is should not. Thus, go to action names

    # processing directly.

    # All git actions will be performed against the working copy.

    # Otherwise, errors like `fatal: Not a git repository (or any of

    # the parent directories): .git' or `Unable to determine absolute

    # path of git directory' might occur. So, move from whenever you

    # be right now up to the git working copy.

    pushd ${TCAR_WORKDIR} > /dev/null

    # Execute action names. This is required in order to realize

    # actions like copy and rename which need two values as argument.

    # Otherwise, it wouldn't be possible to execute them because

    # action values would be processed one a time. Thus, lets work

    # with `$@' instead.

    for ACTIONNAM in $ACTIONNAMS;do

        $ACTIONNAM "$@"

    done

    # Return to the place you were initially. 

    popd > /dev/null

}