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89 lines
2.5 KiB
Go
89 lines
2.5 KiB
Go
package taskfile
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import (
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"os"
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"path/filepath"
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"github.com/go-task/task/v3/errors"
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"github.com/go-task/task/v3/internal/filepathext"
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"github.com/go-task/task/v3/internal/sysinfo"
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)
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var (
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// ErrIncludedTaskfilesCantHaveDotenvs is returned when a included Taskfile contains dotenvs
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ErrIncludedTaskfilesCantHaveDotenvs = errors.New("task: Included Taskfiles can't have dotenv declarations. Please, move the dotenv declaration to the main Taskfile")
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defaultTaskfiles = []string{
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"Taskfile.yml",
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"taskfile.yml",
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"Taskfile.yaml",
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"taskfile.yaml",
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"Taskfile.dist.yml",
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"taskfile.dist.yml",
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"Taskfile.dist.yaml",
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"taskfile.dist.yaml",
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}
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)
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// Exists will check if a file at the given path Exists. If it does, it will
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// return the path to it. If it does not, it will search the search for any
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// files at the given path with any of the default Taskfile files names. If any
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// of these match a file, the first matching path will be returned. If no files
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// are found, an error will be returned.
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func Exists(path string) (string, error) {
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fi, err := os.Stat(path)
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if err != nil {
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return "", err
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}
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if fi.Mode().IsRegular() ||
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fi.Mode()&os.ModeDevice != 0 ||
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fi.Mode()&os.ModeSymlink != 0 ||
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fi.Mode()&os.ModeNamedPipe != 0 {
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return filepath.Abs(path)
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}
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for _, n := range defaultTaskfiles {
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fpath := filepathext.SmartJoin(path, n)
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if _, err := os.Stat(fpath); err == nil {
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return filepath.Abs(fpath)
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}
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}
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return "", errors.TaskfileNotFoundError{URI: path, Walk: false}
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}
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// ExistsWalk will check if a file at the given path exists by calling the
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// exists function. If a file is not found, it will walk up the directory tree
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// calling the exists function until it finds a file or reaches the root
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// directory. On supported operating systems, it will also check if the user ID
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// of the directory changes and abort if it does.
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func ExistsWalk(path string) (string, error) {
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origPath := path
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owner, err := sysinfo.Owner(path)
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if err != nil {
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return "", err
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}
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for {
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fpath, err := Exists(path)
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if err == nil {
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return fpath, nil
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}
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// Get the parent path/user id
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parentPath := filepath.Dir(path)
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parentOwner, err := sysinfo.Owner(parentPath)
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if err != nil {
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return "", err
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}
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// Error if we reached the root directory and still haven't found a file
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// OR if the user id of the directory changes
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if path == parentPath || (parentOwner != owner) {
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return "", errors.TaskfileNotFoundError{URI: origPath, Walk: false}
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}
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owner = parentOwner
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path = parentPath
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}
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}
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