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85 lines
1.6 KiB
85 lines
1.6 KiB
package internal
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import (
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"bytes"
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"fmt"
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"io"
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"os"
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"os/exec"
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"github.com/cupcakearmy/autorestic/internal/colors"
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)
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var RESTIC_BIN string
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func CheckIfCommandIsCallable(cmd string) bool {
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_, err := exec.LookPath(cmd)
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return err == nil
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}
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func CheckIfResticIsCallable() bool {
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return CheckIfCommandIsCallable(RESTIC_BIN)
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}
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type ExecuteOptions struct {
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Command string
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Envs map[string]string
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Dir string
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}
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func ExecuteCommand(options ExecuteOptions, args ...string) (string, error) {
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cmd := exec.Command(options.Command, args...)
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env := os.Environ()
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for k, v := range options.Envs {
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env = append(env, fmt.Sprintf("%s=%s", k, v))
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}
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cmd.Env = env
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cmd.Dir = options.Dir
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if VERBOSE {
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colors.Faint.Printf("> Executing: %s\n", cmd)
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}
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var out bytes.Buffer
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var error bytes.Buffer
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cmd.Stdout = &out
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cmd.Stderr = &error
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err := cmd.Run()
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if err != nil {
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return error.String(), err
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}
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return out.String(), nil
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}
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func ExecuteResticCommand(options ExecuteOptions, args ...string) (string, error) {
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options.Command = RESTIC_BIN
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var c = GetConfig()
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var optionsAsString = getOptions(c.Global, "")
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args = append(optionsAsString, args...)
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return ExecuteCommand(options, args...)
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}
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func CopyFile(from, to string) error {
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original, err := os.Open(from)
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if err != nil {
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return nil
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}
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defer original.Close()
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new, err := os.Create(to)
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if err != nil {
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return nil
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}
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defer new.Close()
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if _, err := io.Copy(new, original); err != nil {
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return err
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}
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return nil
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}
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func CheckIfVolumeExists(volume string) bool {
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_, err := ExecuteCommand(ExecuteOptions{Command: "docker"}, "volume", "inspect", volume)
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return err == nil
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}
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