travis-run-create.sh

# Copyright (C) 2014  Daniel Gröber <dxld ÄT darkboxed DOT org>
#
# 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 3 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, see <http://www.gnu.org/licenses/>.

# This script will be sourced by travis-run
## Create travis build VM on the current machine

if [ ! -e .travis.yml ]; then
    echo "Error: .travis.yml does not exist.">&2
    echo "You probably don't want to create the VM here, some backends store">&2
    echo "per-project state needed to run the build in the current directory."
    exit 1
fi

LANGUAGE=""

perl -e 'use YAML::Tiny;' >/dev/null 2>&1
PERL_YAML=$?

ruby -e 'require "yaml"' >/dev/null 2>&1
RUBY_YAML=$?

if [ $PERL_YAML -ne 0 ] && [ $RUBY_YAML -ne 0 ]; then
    echo "You need to have perl's YAML::Tiny module or ruby's 'yaml' gem installed.">&2
    exit 1
elif [ $PERL_YAML -eq 0 ]; then
    LANGUAGE=$(perl -e 'use YAML::Tiny; print YAML::Tiny->read(".travis.yml")->[0]->{"language"};')
else
    LANGUAGE=$(ruby -e 'require "yaml"; puts YAML.load_file(".travis.yml")["language"]')
fi

if [ ! "$LANGUAGE" ]; then
    echo "Could not detect language, please add a \`language:' declaration">&2
    echo "to your \`.travis.yml'."
    exit 1
fi

backend_clean "$OPT_VM_NAME"

backend_create "$OPT_VM_NAME" "$LANGUAGE"