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Deduplicate symlinks

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Signed-off-by: Christopher Desiniotis <cdesiniotis@nvidia.com>
This commit is contained in:
Christopher Desiniotis 2023-11-16 17:57:31 -08:00
parent 5d7ee25b37
commit f5d8d248b7
1 changed files with 16 additions and 7 deletions
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23
internal/lookup/symlinks.go
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@ -103,14 +103,23 @@ func (p symlink) Locate(pattern string) ([]string, error) {
if err != nil {
return nil, err
}
if len(candidates) != 1 {
return nil, fmt.Errorf("failed to uniquely resolve symlink %v: %v", pattern, candidates)
var targets []string
seen := make(map[string]bool)
for _, candidate := range candidates {
target, err := filepath.EvalSymlinks(candidate)
if err != nil {
return nil, fmt.Errorf("failed to resolve link: %w", err)
}
if seen[target] {
continue
}
seen[target] = true
targets = append(targets, target)
}
target, err := filepath.EvalSymlinks(candidates[0])
if err != nil {
return nil, fmt.Errorf("failed to resolve link: %v", err)
if len(targets) != 1 {
return nil, fmt.Errorf("failed to locate patern %q: failed to uniquely resolve symlink: %v", pattern, targets)
}
return []string{target}, err
return targets, err
}