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composepost: Normalize rpmdb.sqlite-shm #4074

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composepost: Normalize rpmdb.sqlite-shm #4074

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17 changes: 15 additions & 2 deletions rust/src/composepost.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ use crate::{bwrap, importer};
use anyhow::{anyhow, bail, format_err, Context, Result};
use camino::{Utf8Path, Utf8PathBuf};
use cap_std::fs::Dir;
use cap_std::fs::OpenOptions;
use cap_std::fs_utf8::Dir as Utf8Dir;
use cap_std::io_lifetimes::AsFilelike;
use cap_std_ext::cap_std;
Expand Down Expand Up @@ -271,8 +272,20 @@ fn postprocess_cleanup_rpmdb_impl(rootfs_dfd: &Dir) -> Result<()> {
let ent = ent?;
let name = ent.file_name()?;
let name = name.as_str();
if matches!(name, ".dbenv.lock" | ".rpm.lock") || name.starts_with("__db.") {
d.remove_file(name)?;
match name {
// BDB cruft
".dbenv.lock" | ".rpm.lock" => d.remove_file(name)?,
name if name.starts_with("__db.") => d.remove_file(name)?,
// SQLite case. Today, it seems to work to remove the WAL, but removing the SHM
// file causes a runtime error as RPM tries to mutate a read-only database.
"rpmdb.sqlite-shm" => {
// This one needs zeroing today sadly
let size = ent.metadata()?.size();
let f = ent.open_with(OpenOptions::new().truncate(true))?;
f.set_len(size)?;
}
"rpmdb.sqlite-wal" => d.remove_file(name)?,
_ => {}
}
}
Ok(())
Expand Down