vs_core/service/
migrate.rs

1use crate::{App, CoreError, MigrateSummary};
2
3impl App {
4    /// Copies compatible state from a legacy home into the active home.
5    pub fn migrate(&self, source: Option<String>) -> Result<MigrateSummary, CoreError> {
6        let source_home = source
7            .map(|source| self.normalize_source_path(&source))
8            .or_else(|| self.home_layout.migration_candidates.first().cloned())
9            .ok_or(CoreError::MissingMigrationSource)?;
10
11        let mut copied_roots = 0;
12        for relative in ["config.yaml", "global", "registry", "plugins", "cache"] {
13            let source_path = source_home.join(relative);
14            let destination_path = self.home().join(relative);
15            if !source_path.exists() {
16                continue;
17            }
18            if source_path.is_dir() {
19                self.copy_tree(&source_path, &destination_path)?;
20            } else {
21                if let Some(parent) = destination_path.parent() {
22                    std::fs::create_dir_all(parent)?;
23                }
24                std::fs::copy(&source_path, &destination_path)?;
25            }
26            copied_roots += 1;
27        }
28
29        Ok(MigrateSummary {
30            source_home,
31            copied_roots,
32        })
33    }
34}
vs_core/service/migrate.rs

vs_core/service/
migrate.rs
