woodpecker/pipeline/backend/common/script_posix.go

63 lines
1.5 KiB
Go

// Copyright 2022 Woodpecker Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package common
import (
"bytes"
"fmt"
"github.com/alessio/shellescape"
)
// generateScriptPosix is a helper function that generates a step script
// for a linux container using the given.
func generateScriptPosix(commands []string) string {
var buf bytes.Buffer
buf.WriteString(setupScript)
for _, command := range commands {
buf.WriteString(fmt.Sprintf(
traceScript,
shellescape.Quote(command),
command,
))
}
return buf.String()
}
// setupScript is a helper script this is added to the step script to ensure
// a minimum set of environment variables are set correctly.
const setupScript = `
if [ -n "$CI_NETRC_MACHINE" ]; then
cat <<EOF > $HOME/.netrc
machine $CI_NETRC_MACHINE
login $CI_NETRC_USERNAME
password $CI_NETRC_PASSWORD
EOF
chmod 0600 $HOME/.netrc
fi
unset CI_NETRC_USERNAME
unset CI_NETRC_PASSWORD
unset CI_SCRIPT
`
// traceScript is a helper script that is added to the step script
// to trace a command.
const traceScript = `
echo + %s
%s
`