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use std::path::PathBuf;
use bch_bindgen::c::BCH_SUBVOL_SNAPSHOT_RO;
use clap::{Parser, Subcommand};
use crate::wrappers::handle::BcachefsHandle;
#[derive(Parser, Debug)]
pub struct Cli {
#[command(subcommand)]
subcommands: Subcommands,
}
/// Subvolumes-related commands
#[derive(Subcommand, Debug)]
enum Subcommands {
#[command(visible_aliases = ["new"])]
Create {
/// Paths
targets: Vec<PathBuf>
},
#[command(visible_aliases = ["del"])]
Delete {
/// Path
target: PathBuf
},
#[command(allow_missing_positional = true, visible_aliases = ["snap"])]
Snapshot {
/// Make snapshot read only
#[arg(long, short)]
read_only: bool,
source: Option<PathBuf>,
dest: PathBuf
}
}
pub fn cmd_subvolumes(argv: Vec<String>) -> i32 {
let args = Cli::parse_from(argv);
match args.subcommands {
Subcommands::Create { targets } => {
for target in targets {
if let Some(dirname) = target.parent() {
let fs = unsafe { BcachefsHandle::open(dirname) };
fs.create_subvolume(target).expect("Failed to create the subvolume");
}
}
}
,
Subcommands::Delete { target } => {
if let Some(dirname) = target.parent() {
let fs = unsafe { BcachefsHandle::open(dirname) };
fs.delete_subvolume(target).expect("Failed to delete the subvolume");
}
},
Subcommands::Snapshot { read_only, source, dest } => {
if let Some(dirname) = dest.parent() {
let dot = PathBuf::from(".");
let dir = if dirname.as_os_str().is_empty() { &dot } else { dirname };
let fs = unsafe { BcachefsHandle::open(dir) };
fs.snapshot_subvolume(if read_only { BCH_SUBVOL_SNAPSHOT_RO } else { 0x0 }, source, dest).expect("Failed to snapshot the subvolume");
}
}
}
0
}
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