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Don't migrate from the old database if it doesn't exist

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Aode (lion) 2022-08-14 11:49:20 -05:00
parent f8fed14317
commit 547934071a
3 changed files with 26 additions and 23 deletions
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16
src/repo.rs
View file

@ -243,15 +243,15 @@ impl Repo {
return Ok(()); return Ok(());
} }
tracing::warn!("Migrating Database from 0.3 layout to 0.4 layout"); if let Some(old) = self::old::Old::open(path)? {
tracing::warn!("Migrating Database from 0.3 layout to 0.4 layout");
let old = self::old::Old::open(path)?; for hash in old.hashes() {
match self {
for hash in old.hashes() { Self::Sled(repo) => {
match self { if let Err(e) = migrate_hash(repo, &old, hash).await {
Self::Sled(repo) => { tracing::error!("Failed to migrate hash: {}", e);
if let Err(e) = migrate_hash(repo, &old, hash).await { }
tracing::error!("Failed to migrate hash: {}", e);
} }
} }
} }

26
src/repo/old.rs
View file

@ -44,18 +44,20 @@ pub(super) struct Old {
} }
impl Old { impl Old {
pub(super) fn open(path: PathBuf) -> color_eyre::Result<Self> { pub(super) fn open(path: PathBuf) -> color_eyre::Result<Option<Self>> {
let db = migrate::LatestDb::exists(path).migrate()?; if let Some(db) = migrate::LatestDb::exists(path).migrate()? {
Ok(Some(Self {
Ok(Self { alias_tree: db.open_tree("alias")?,
alias_tree: db.open_tree("alias")?, filename_tree: db.open_tree("filename")?,
filename_tree: db.open_tree("filename")?, main_tree: db.open_tree("main")?,
main_tree: db.open_tree("main")?, details_tree: db.open_tree("details")?,
details_tree: db.open_tree("details")?, settings_tree: db.open_tree("settings")?,
settings_tree: db.open_tree("settings")?, identifier_tree: db.open_tree("path")?,
identifier_tree: db.open_tree("path")?, _db: db,
_db: db, }))
}) } else {
Ok(None)
}
} }
pub(super) fn setting(&self, key: &[u8]) -> color_eyre::Result<Option<sled::IVec>> { pub(super) fn setting(&self, key: &[u8]) -> color_eyre::Result<Option<sled::IVec>> {

7
src/repo/old/migrate.rs
View file

@ -60,7 +60,7 @@ impl LatestDb {
LatestDb { root_dir, version } LatestDb { root_dir, version }
} }
pub(crate) fn migrate(self) -> Result<sled::Db, Error> { pub(crate) fn migrate(self) -> Result<Option<sled::Db>, Error> {
let LatestDb { root_dir, version } = self; let LatestDb { root_dir, version } = self;
loop { loop {
@ -89,9 +89,10 @@ impl DbVersion {
DbVersion::Fresh DbVersion::Fresh
} }
fn migrate(self, root: PathBuf) -> Result<sled::Db, Error> { fn migrate(self, root: PathBuf) -> Result<Option<sled::Db>, Error> {
match self { match self {
DbVersion::Sled034 | DbVersion::Fresh => s034::open(root), DbVersion::Sled034 => Some(s034::open(root)).transpose(),
DbVersion::Fresh => Ok(None),
} }
} }
} }