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task/command.go

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package task
import (
"errors"
"strings"
)
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// Cmd is a task command
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type Cmd struct {
Cmd string
Silent bool
Task string
Vars Vars
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}
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// Dep is a task dependency
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type Dep struct {
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Task string
Vars Vars
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}
var (
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// ErrCantUnmarshalCmd is returned for invalid command YAML
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ErrCantUnmarshalCmd = errors.New("task: can't unmarshal cmd value")
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// ErrCantUnmarshalDep is returned for invalid dependency YAML
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ErrCantUnmarshalDep = errors.New("task: can't unmarshal dep value")
)
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// UnmarshalYAML implements yaml.Unmarshaler interface
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func (c *Cmd) UnmarshalYAML(unmarshal func(interface{}) error) error {
var cmd string
if err := unmarshal(&cmd); err == nil {
if strings.HasPrefix(cmd, "^") {
c.Task = strings.TrimPrefix(cmd, "^")
} else {
c.Cmd = cmd
}
return nil
}
var cmdStruct struct {
Cmd string
Silent bool
}
if err := unmarshal(&cmdStruct); err == nil && cmdStruct.Cmd != "" {
c.Cmd = cmdStruct.Cmd
c.Silent = cmdStruct.Silent
return nil
}
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var taskCall struct {
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Task string
Vars Vars
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}
if err := unmarshal(&taskCall); err == nil {
c.Task = taskCall.Task
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c.Vars = taskCall.Vars
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return nil
}
return ErrCantUnmarshalCmd
}
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// UnmarshalYAML implements yaml.Unmarshaler interface
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func (d *Dep) UnmarshalYAML(unmarshal func(interface{}) error) error {
var task string
if err := unmarshal(&task); err == nil {
d.Task = task
return nil
}
var taskCall struct {
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Task string
Vars Vars
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}
if err := unmarshal(&taskCall); err == nil {
d.Task = taskCall.Task
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d.Vars = taskCall.Vars
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return nil
}
return ErrCantUnmarshalDep
}
// Call is the parameters to a task call
type Call struct {
Task string
Vars Vars
}