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common.go
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common.go
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// Copyright © 2020 Ettore Di Giacinto <mudler@gentoo.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 2 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/>.
package backend
import (
"os/exec"
"github.com/geaaru/luet/pkg/config"
. "github.com/geaaru/luet/pkg/logger"
"github.com/google/go-containerregistry/pkg/crane"
"github.com/pkg/errors"
)
const (
ImgBackend = "img"
DockerBackend = "docker"
Dockerv2Backend = "dockerv2"
Dockerv3Backend = "dockerv3"
)
func imageAvailable(image string) bool {
_, err := crane.Digest(image)
return err == nil
}
type Options struct {
ImageName string
SourcePath string
DockerFileName string
Destination string
Context string
BackendArgs []string
PackageDir string
}
func runCommand(cmd *exec.Cmd) error {
output := ""
buffered := !config.LuetCfg.GetGeneral().ShowBuildOutput
writer := NewBackendWriter(buffered)
cmd.Stdout = writer
cmd.Stderr = writer
if buffered {
Spinner(22)
defer SpinnerStop()
}
err := cmd.Start()
if err != nil {
return errors.Wrap(err, "Failed starting command")
}
err = cmd.Wait()
if err != nil {
output = writer.GetCombinedOutput()
return errors.Wrapf(err, "Failed running command: %s", output)
}
return nil
}
func genBuildCommand(opts Options) []string {
context := opts.Context
if context == "" {
context = "."
}
buildarg := append(opts.BackendArgs, "-f", opts.DockerFileName, "-t", opts.ImageName, context)
return append([]string{"build"}, buildarg...)
}