2018-07-22 21:05:47 +02:00
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package read
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import (
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2018-10-13 22:52:09 +02:00
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"errors"
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2018-07-22 21:05:47 +02:00
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"fmt"
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"os"
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"path/filepath"
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"runtime"
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2018-11-05 01:23:35 +02:00
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"github.com/go-task/task/v2/internal/taskfile"
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2018-07-22 21:05:47 +02:00
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"gopkg.in/yaml.v2"
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)
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2019-01-21 11:56:14 +02:00
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var (
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// ErrIncludedTaskfilesCantHaveIncludes is returned when a included Taskfile contains includes
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ErrIncludedTaskfilesCantHaveIncludes = errors.New("task: Included Taskfiles can't have includes. Please, move the include to the main Taskfile")
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// ErrNoTaskfileFound is returned when Taskfile.yml is not found
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ErrNoTaskfileFound = errors.New(`task: No Taskfile.yml found. Use "task --init" to create a new one`)
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)
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2018-10-13 22:52:09 +02:00
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2018-07-22 21:05:47 +02:00
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// Taskfile reads a Taskfile for a given directory
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func Taskfile(dir string) (*taskfile.Taskfile, error) {
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path := filepath.Join(dir, "Taskfile.yml")
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2018-09-22 22:29:18 +02:00
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if _, err := os.Stat(path); err != nil {
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2019-01-21 11:56:14 +02:00
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return nil, ErrNoTaskfileFound
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2018-09-22 22:29:18 +02:00
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}
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2018-07-22 21:05:47 +02:00
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t, err := readTaskfile(path)
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if err != nil {
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2018-09-22 22:29:18 +02:00
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return nil, err
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2018-07-22 21:05:47 +02:00
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}
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2018-09-10 03:29:29 +02:00
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for namespace, path := range t.Includes {
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2018-10-13 21:56:51 +02:00
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path = filepath.Join(dir, path)
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2018-09-10 03:29:29 +02:00
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info, err := os.Stat(path)
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if err != nil {
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return nil, err
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}
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if info.IsDir() {
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path = filepath.Join(path, "Taskfile.yml")
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}
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includedTaskfile, err := readTaskfile(path)
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if err != nil {
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return nil, err
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}
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2018-10-13 22:52:09 +02:00
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if len(includedTaskfile.Includes) > 0 {
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return nil, ErrIncludedTaskfilesCantHaveIncludes
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}
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2018-09-10 03:29:29 +02:00
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if err = taskfile.Merge(t, includedTaskfile, namespace); err != nil {
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return nil, err
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}
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}
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2018-07-22 21:05:47 +02:00
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path = filepath.Join(dir, fmt.Sprintf("Taskfile_%s.yml", runtime.GOOS))
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if _, err = os.Stat(path); err == nil {
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osTaskfile, err := readTaskfile(path)
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if err != nil {
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return nil, err
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}
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2018-07-22 22:54:44 +02:00
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if err = taskfile.Merge(t, osTaskfile); err != nil {
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2018-07-22 21:05:47 +02:00
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return nil, err
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}
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}
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for name, task := range t.Tasks {
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task.Task = name
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}
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return t, nil
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}
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func readTaskfile(file string) (*taskfile.Taskfile, error) {
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f, err := os.Open(file)
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if err != nil {
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return nil, err
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}
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var t taskfile.Taskfile
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return &t, yaml.NewDecoder(f).Decode(&t)
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}
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