motiejus
/
undocker
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error reporting

main
Motiejus Jakštys 2021-05-24 00:11:58 +03:00
parent ef777d9e86
commit f9eea46417
2 changed files with 10 additions and 3 deletions
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1
BUILD
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@ -8,6 +8,7 @@ go_library(
deps = [
"//src/undocker/rootfs:go_default_library",
"@com_github_jessevdk_go_flags//:go_default_library",
"@org_uber_go_multierr//:go_default_library",
],
)

12
main.go
View File

@ -6,6 +6,7 @@ import (
goflags "github.com/jessevdk/go-flags"
"github.com/motiejus/code/undocker/rootfs"
"go.uber.org/multierr"
)
type (
@ -40,7 +41,7 @@ type cmdRootFS struct {
} `positional-args:"yes" required:"yes"`
}
func (r *cmdRootFS) Execute(args []string) error {
func (r *cmdRootFS) Execute(args []string) (err error) {
if len(args) != 0 {
return errors.New("too many args")
}
@ -49,12 +50,17 @@ func (r *cmdRootFS) Execute(args []string) error {
if err != nil {
return err
}
defer in.Close()
defer func() {
err = multierr.Append(err, in.Close())
}()
out, err := os.Create(string(r.PositionalArgs.Outfile))
if err != nil {
return err
}
defer out.Close()
defer func() {
err = multierr.Append(err, out.Close())
}()
return rootfs.RootFS(in, out)
}