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cmd.go
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cmd.go
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package magelib
import (
"github.com/pkg/errors"
"gopkg.in/pipe.v2"
)
type Cmd func() error
type CmdWithArgs func(args ...string) error
type OutCmdFunc func(args ...string) (string, error)
type ArgsMap map[string]string
func PipeOutCmd(fn OutCmdFunc, args ...string) pipe.Pipe {
return pipe.TaskFunc(func(s *pipe.State) error {
output, err := fn(args...)
if len(output) > 0 {
if _, err := s.Stdout.Write([]byte(output)); err != nil {
return errors.Wrap(err, "write [stdout]")
}
}
return err
})
}
func ChainCmds(fns ...Cmd) error {
for _, fn := range fns {
if err := fn(); err != nil {
return err
}
}
return nil
}
func ChainCmdsCmd(fns ...Cmd) Cmd {
return func() error {
return ChainCmds(fns...)
}
}