wasmer_cli/commands/journal/
extract.rs

1use std::path::PathBuf;
2
3use clap::Parser;
4use wasmer_wasix::journal::{LogFileJournal, copy_journal};
5
6use crate::commands::CliCommand;
7
8#[derive(Debug, Parser)]
9pub struct CmdExtractWhatMemory {
10    /// Path to the memory file that will be updated using this journal
11    #[clap(index = 1)]
12    memory_file_path: PathBuf,
13}
14
15/// What to extract from the journal
16#[derive(clap::Subcommand, Debug)]
17pub enum CmdExtractWhat {
18    Memory(CmdExtractWhatMemory),
19}
20
21/// Extracts an element from the journal
22#[derive(Debug, Parser)]
23pub struct CmdJournalExtract {
24    /// Path to the journal that will be compacted
25    #[clap(index = 1)]
26    journal_path: PathBuf,
27
28    #[clap(subcommand)]
29    what: CmdExtractWhat,
30}
31
32impl CliCommand for CmdJournalExtract {
33    type Output = ();
34
35    fn run(self) -> Result<(), anyhow::Error> {
36        let journal = LogFileJournal::new(&self.journal_path)?;
37
38        match self.what {
39            CmdExtractWhat::Memory(cmd) => {
40                let memory_file =
41                    wasmer_wasix::journal::MemFileJournal::new(&cmd.memory_file_path)?;
42                copy_journal(&journal, &memory_file)?;
43            }
44        }
45        Ok(())
46    }
47}
wasmer_cli/commands/journal/extract.rs

wasmer_cli/commands/journal/
extract.rs
