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feat: preserve volumes on failed install + migrate ext4 to btrfs

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- COW snapshot (cp --reflink=always) of package volumes before
  install/update; restore on failure, remove on success
- Automatic ext4→btrfs conversion via btrfs-convert during disk attach
  with e2fsck pre-check and post-conversion defrag
- Probe package-data filesystem during setup.disk.list (on both disk
  and partition level) so the UI can warn about ext4 conversion
- Setup wizard preserve-overwrite dialog shows ext4 warning with
  backup acknowledgment checkbox before allowing preserve
This commit is contained in:
Aiden McClelland
2026-03-17 15:10:03 -06:00
parent c1a328e5ca
commit 900d86ab83
15 changed files with 386 additions and 42 deletions
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81
core/src/service/mod.rs
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@@ -422,11 +422,15 @@ impl Service {
tracing::error!("Error installing service: {e}");
tracing::debug!("{e:?}")
}) {
crate::volume::remove_install_backup(id).await.log_err();
return Ok(Some(service));
}
}
}
cleanup(ctx, id, false).await.log_err();
crate::volume::restore_volumes_from_install_backup(id)
.await
.log_err();
ctx.db
.mutate(|v| v.as_public_mut().as_package_data_mut().remove(id))
.await
@@ -461,37 +465,60 @@ impl Service {
tracing::error!("Error installing service: {e}");
tracing::debug!("{e:?}")
}) {
crate::volume::remove_install_backup(id).await.log_err();
return Ok(Some(service));
}
}
}
let s9pk = S9pk::open(s9pk_path, Some(id)).await?;
ctx.db
.mutate({
|db| {
db.as_public_mut()
.as_package_data_mut()
.as_idx_mut(id)
.or_not_found(id)?
.as_state_info_mut()
.map_mutate(|s| {
if let PackageState::Updating(UpdatingState {
manifest, ..
}) = s
{
Ok(PackageState::Installed(InstalledState { manifest }))
} else {
Err(Error::new(
eyre!("{}", t!("service.mod.race-condition-detected")),
ErrorKind::Database,
))
}
})
}
})
.await
.result?;
handle_installed(s9pk).await
match async {
let s9pk = S9pk::open(s9pk_path, Some(id)).await?;
ctx.db
.mutate({
|db| {
db.as_public_mut()
.as_package_data_mut()
.as_idx_mut(id)
.or_not_found(id)?
.as_state_info_mut()
.map_mutate(|s| {
if let PackageState::Updating(UpdatingState {
manifest,
..
}) = s
{
Ok(PackageState::Installed(InstalledState { manifest }))
} else {
Err(Error::new(
eyre!(
"{}",
t!("service.mod.race-condition-detected")
),
ErrorKind::Database,
))
}
})
}
})
.await
.result?;
handle_installed(s9pk).await
}
.await
{
Ok(service) => {
crate::volume::remove_install_backup(id).await.log_err();
Ok(service)
}
Err(e) => {
tracing::error!(
"Update rollback failed for {id}, restoring volume snapshot: {e}"
);
crate::volume::restore_volumes_from_install_backup(id)
.await
.log_err();
Err(e)
}
}
}
PackageStateMatchModelRef::Removing(_) | PackageStateMatchModelRef::Restoring(_) => {
if let Ok(s9pk) = S9pk::open(s9pk_path, Some(id)).await.map_err(|e| {