usage() {

cat <<EOF

Usage: ${PROG} <source branch> [target branch]

svn merge commit between verison when source branch copy(--stop-on-copy)

and head version of source branch.

Source branch must be a remote branch.

Example:

${PROG} http://www.foo.com/project1/branches/feature1

# merge http://www.foo.com/project1/branches/feature1 to current svn direcotry

${PROG} http://www.foo.com/project1/branches/feature1 /path/to/svn/direcotry

# merge branch http://www.foo.com/project1/branches/feature1 to svn direcotry /path/to/svn/direcotry

# will prompt comfirm for committing to target branch.

${PROG} http://www.foo.com/project1/branches/feature1 http://www.foo.com/project1/branches/feature2

# merge http://www.foo.com/project1/branches/feature1 to branch http://www.foo.com/project1/branches/feature2

# because http://www.foo.com/project1/branches/feature2 is remote url,

# will check out target branch to tmp direcotry, and prompt comfirm for committing to target branch.

EOF

exit $1

}

[ $# -gt 2 ] && {

echo "too many arguments!"

usage 1

}

source_branch=$1

target=${2:-.}

[ $# -eq 0 ] && {

usage

}

#if [ $# -eq 0 ]; then

# usage

#fi

[ $# -gt 2 ] && {

echo "too many arguments!"

usage 1

}