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49 lines
1.1 KiB
49 lines
1.1 KiB
package main
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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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)
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// Compatibility cleanup belongs to the shared reset path, never the UI.
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// Current frontends are stateless. Keep this for upgrades from SQLite builds.
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func cleanupLegacyFrontendState() error {
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for _, path := range []string{"/var/lib/teraweb/frontend.db", "/var/lib/tera-clone-demo-web/teraclone.db"} {
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if err := removeLegacyDatabase(path); err != nil {
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return err
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}
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}
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return nil
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}
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func removeLegacyDatabase(path string) error {
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parent := filepath.Dir(path)
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resolved, err := filepath.EvalSymlinks(parent)
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if os.IsNotExist(err) {
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return nil
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}
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if err != nil {
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return err
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}
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if resolved != parent {
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return fmt.Errorf("refusing redirected frontend state directory: %s", parent)
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}
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for _, suffix := range []string{"", "-wal", "-shm", "-journal"} {
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target := path + suffix
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info, err := os.Lstat(target)
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if os.IsNotExist(err) {
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continue
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}
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if err != nil {
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return err
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}
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if !info.Mode().IsRegular() {
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return fmt.Errorf("refusing non-regular frontend state: %s", target)
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}
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if err := os.Remove(target); err != nil {
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return err
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}
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}
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return nil
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}
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