be more fail safe

#!/bin/bash

if [ "$1" = '' ]; then

	echo 'Usage: archrelease <repo>'

abort() {

	echo ${1:-'archrelease: Cancelled'}

	exit 1

}

if [ "$1" = '' ]; then

	abort 'Usage: archrelease <repo>'

fi

if [ ! -f PKGBUILD ]; then

	echo 'archrelease: PKGBUILD not found'

	exit 1

	abort 'archrelease: PKGBUILD not found'

fi

if [ "$(basename $(readlink -f .))" != 'trunk' ]; then

	echo 'archrelease: Not in a package trunk dir'

	exit 1

	abort 'archrelease: Not in a package trunk dir'

fi

if [ ! -z "$(svn status -q)" ]; then

	echo 'archrelease: You have not committed your changes yet!'

	echo '             Please run "svn commit" first'

	exit 1

	abort 'archrelease: You have not committed your changes yet!'

fi

echo -n 'releasing package...'

pushd .. >/dev/null

trunk=$(svnversion -cn trunk | cut -f1 -d:)

repo=$(svnversion -cn "repos/${1}" 2>/dev/null | cut -f1 -d:)

if [[ ${trunk} -le ${repo} ]]; then

trunk=$(svnversion -cn trunk)

[[ $? -gt 0 ]] && abort

repo=$(svnversion -cn "repos/${1}" 2>/dev/null)

if [[ $? -eq 0 ]] && [[ ${trunk%:*} -le ${repo%:*} ]]; then

	echo 'already done'

	exit 1

fi

else

	if [ -d "repos/${1}" ]; then

		svn rm --force -q "repos/${1}"

	svn commit -q -m "archrelease: remove ${1}"

		svn commit -q -m "archrelease: remove ${1}" || abort

	fi

	svn copy -q -r HEAD trunk "repos/${1}"

svn commit -q -m "archrelease: copy trunk to ${1}"

	svn commit -q -m "archrelease: copy trunk to ${1}" || abort

	popd >/dev/null

	echo 'done'

fi

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