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git-sync
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Use os.Symlink() and os.Rename() instead of exec 

Should be more portable (MacOS flags to ln and mv are not the same as
GNU).
This commit is contained in:
Tim Hockin 2022-08-12 19:04:29 -07:00
parent bc865d0329
commit 8b99b7c143
1 changed files with 3 additions and 3 deletions
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6
cmd/git-sync/main.go
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@ -936,13 +936,13 @@ func (git *repoSync) UpdateSymlink(ctx context.Context, newDir string) (string,
}
const tmplink = "tmp-link"
git.log.V(1).Info("creating tmp symlink", "root", linkDir, "dst", newDirRelative, "src", tmplink)
if _, err := git.run.Run(ctx, linkDir, nil, "ln", "-snf", newDirRelative, tmplink); err != nil {
git.log.V(1).Info("creating tmp symlink", "root", linkDir, "link", tmplink, "target", newDirRelative)
if err := os.Symlink(newDirRelative, filepath.Join(linkDir, tmplink)); err != nil {
return "", fmt.Errorf("error creating symlink: %v", err)
}
git.log.V(1).Info("renaming symlink", "root", linkDir, "oldName", tmplink, "newName", linkFile)
if _, err := git.run.Run(ctx, linkDir, nil, "mv", "-T", tmplink, linkFile); err != nil {
if err := os.Rename(filepath.Join(linkDir, tmplink), git.link); err != nil {
return "", fmt.Errorf("error replacing symlink: %v", err)
}