mirror of
https://github.com/bazel-contrib/bazel-lib
synced 2024-12-01 07:15:24 +00:00
43 lines
811 B
Go
43 lines
811 B
Go
package common
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import (
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"os"
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"path"
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"path/filepath"
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)
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// Same as filepath.Rel except that it normalizes result to forward slashes
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// slashes since filepath.Rel will convert to system slashes
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func FileRel(basepath, targpath string) (string, error) {
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r, err := filepath.Rel(basepath, targpath)
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if err != nil {
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return "", err
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}
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return filepath.ToSlash(r), nil
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}
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// github.com/yookoala/realpath has bugs on Windows;
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// this function assumes that the path passed in is a symlink
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func Realpath(p string) (string, error) {
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t, err := os.Readlink(p)
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if err != nil {
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return "", err
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}
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if !filepath.IsAbs(t) {
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t = path.Join(path.Dir(p), t)
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}
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info, err := os.Lstat(t)
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if err != nil {
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return "", err
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}
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if info.Mode()&os.ModeSymlink == os.ModeSymlink {
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return Realpath(t)
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}
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return t, nil
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}
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