mirror of
https://github.com/jesseduffield/lazygit.git
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78 lines
2.2 KiB
Go
78 lines
2.2 KiB
Go
package pathutil
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import (
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"fmt"
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"os"
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"path/filepath"
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"strings"
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)
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// Unique eliminates the duplicate paths from the provided slice and returns
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// the result. The items in the output slice are in the order in which they
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// occur in the input slice. If a `home` location is provided, the paths are
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// expanded using the `ExpandHome` function.
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func Unique(paths []string, home string) []string {
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var (
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uniq []string
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registry = map[string]struct{}{}
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)
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for _, p := range paths {
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p = ExpandHome(p, home)
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if p != "" && filepath.IsAbs(p) {
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if _, ok := registry[p]; ok {
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continue
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}
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registry[p] = struct{}{}
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uniq = append(uniq, p)
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}
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}
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return uniq
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}
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// Create returns a suitable location relative to which the file with the
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// specified `name` can be written. The first path from the provided `paths`
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// slice which is successfully created (or already exists) is used as a base
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// path for the file. The `name` parameter should contain the name of the file
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// which is going to be written in the location returned by this function, but
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// it can also contain a set of parent directories, which will be created
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// relative to the selected parent path.
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func Create(name string, paths []string) (string, error) {
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var searchedPaths []string
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for _, p := range paths {
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p = filepath.Join(p, name)
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dir := filepath.Dir(p)
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if Exists(dir) {
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return p, nil
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}
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if err := os.MkdirAll(dir, os.ModeDir|0700); err == nil {
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return p, nil
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}
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searchedPaths = append(searchedPaths, dir)
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}
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return "", fmt.Errorf("could not create any of the following paths: %s",
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strings.Join(searchedPaths, ", "))
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}
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// Search searches for the file with the specified `name` in the provided
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// slice of `paths`. The `name` parameter must contain the name of the file,
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// but it can also contain a set of parent directories.
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func Search(name string, paths []string) (string, error) {
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var searchedPaths []string
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for _, p := range paths {
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p = filepath.Join(p, name)
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if Exists(p) {
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return p, nil
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}
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searchedPaths = append(searchedPaths, filepath.Dir(p))
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}
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return "", fmt.Errorf("could not locate `%s` in any of the following paths: %s",
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filepath.Base(name), strings.Join(searchedPaths, ", "))
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}
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