74 lines
1.9 KiB
Go
74 lines
1.9 KiB
Go
// Copyright 2022 Woodpecker Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package common
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import (
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"bytes"
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"fmt"
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"text/template"
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"al.essio.dev/pkg/shellescape"
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)
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// generateScriptPosix is a helper function that generates a step script
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// for a linux container using the given.
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func generateScriptPosix(commands []string, workDir string) string {
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var buf bytes.Buffer
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if err := setupScriptTmpl.Execute(&buf, map[string]string{
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"WorkDir": workDir,
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}); err != nil {
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// should never happen but well we have an error to trance
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return fmt.Sprintf("echo 'failed to generate posix script from commands: %s'; exit 1", err.Error())
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}
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for _, command := range commands {
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buf.WriteString(fmt.Sprintf(
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traceScript,
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shellescape.Quote(command),
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command,
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))
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}
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return buf.String()
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}
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// setupScriptProto is a helper script this is added to the step script to ensure
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// a minimum set of environment variables are set correctly.
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const setupScriptProto = `
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if [ -n "$CI_NETRC_MACHINE" ]; then
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cat <<EOF > $HOME/.netrc
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machine $CI_NETRC_MACHINE
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login $CI_NETRC_USERNAME
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password $CI_NETRC_PASSWORD
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EOF
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chmod 0600 $HOME/.netrc
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fi
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unset CI_NETRC_USERNAME
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unset CI_NETRC_PASSWORD
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unset CI_SCRIPT
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mkdir -p "{{.WorkDir}}"
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cd "{{.WorkDir}}"
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`
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var setupScriptTmpl, _ = template.New("").Parse(setupScriptProto)
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// traceScript is a helper script that is added to the step script
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// to trace a command.
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const traceScript = `
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echo + %s
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%s
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`
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