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task/precondition.go
2019-06-15 22:47:15 -03:00

33 lines
731 B
Go

package task
import (
"context"
"errors"
"github.com/go-task/task/v2/internal/execext"
"github.com/go-task/task/v2/internal/logger"
"github.com/go-task/task/v2/internal/taskfile"
)
var (
// ErrPreconditionFailed is returned when a precondition fails
ErrPreconditionFailed = errors.New("task: precondition not met")
)
func (e *Executor) areTaskPreconditionsMet(ctx context.Context, t *taskfile.Task) (bool, error) {
for _, p := range t.Preconditions {
err := execext.RunCommand(ctx, &execext.RunCommandOptions{
Command: p.Sh,
Dir: t.Dir,
Env: getEnviron(t),
})
if err != nil {
e.Logger.Errf(logger.Magenta, "task: %s", p.Msg)
return false, ErrPreconditionFailed
}
}
return true, nil
}