55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
// Package tools contains other helper functions too small to justify their own package
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// NOTE: Subject to change, do not rely on this package from outside git-lfs source
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package tools
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import (
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"os"
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"path/filepath"
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)
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// FileOrDirExists determines if a file/dir exists, returns IsDir() results too.
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func FileOrDirExists(path string) (exists bool, isDir bool) {
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fi, err := os.Stat(path)
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if err != nil {
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return false, false
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} else {
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return true, fi.IsDir()
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}
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}
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// FileExists determines if a file (NOT dir) exists.
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func FileExists(path string) bool {
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ret, isDir := FileOrDirExists(path)
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return ret && !isDir
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}
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// DirExists determines if a dir (NOT file) exists.
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func DirExists(path string) bool {
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ret, isDir := FileOrDirExists(path)
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return ret && isDir
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}
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// FileExistsOfSize determines if a file exists and is of a specific size.
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func FileExistsOfSize(path string, sz int64) bool {
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fi, err := os.Stat(path)
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if err != nil {
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return false
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}
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return !fi.IsDir() && fi.Size() == sz
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}
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// ResolveSymlinks ensures that if the path supplied is a symlink, it is
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// resolved to the actual concrete path
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func ResolveSymlinks(path string) string {
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if len(path) == 0 {
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return path
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}
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if resolved, err := filepath.EvalSymlinks(path); err == nil {
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return resolved
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}
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return path
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}
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