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utils.go
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utils.go
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// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2023, Unikraft GmbH and The KraftKit Authors.
// Licensed under the BSD-3-Clause License (the "License").
// You may not use this file except in compliance with the License.
package pkg
import (
"context"
"os"
"strings"
"kraftkit.sh/unikraft/app"
)
// initProject sets up the project based on the provided context and
// options.
func (opts *PkgOptions) initProject(ctx context.Context) error {
var err error
popts := []app.ProjectOption{
app.WithProjectWorkdir(opts.Workdir),
}
if len(opts.Kraftfile) > 0 {
popts = append(popts, app.WithProjectKraftfile(opts.Kraftfile))
} else {
popts = append(popts, app.WithProjectDefaultKraftfiles())
}
// Interpret the project directory
opts.Project, err = app.NewProjectFromOptions(ctx, popts...)
if err != nil {
return err
}
return nil
}
// aggregateEnvs aggregates the environment variables from the project and
// the cli options, filling in missing values with the host environment.
func (opts *PkgOptions) aggregateEnvs() []string {
envs := make(map[string]string)
if opts.Project.Env() != nil {
envs = opts.Project.Env()
}
// Add the cli environment
for _, env := range opts.Env {
if strings.ContainsRune(env, '=') {
parts := strings.SplitN(env, "=", 2)
envs[parts[0]] = parts[1]
continue
}
envs[env] = os.Getenv(env)
}
// Aggregate all the environment variables
var env []string
for k, v := range envs {
env = append(env, k+"="+v)
}
return env
}