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refactor: change some fn type sigs and simplify

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Signed-off-by: Thomas Mühlbacher <tmuehlbacher@posteo.net>
This commit is contained in:
Thomas Mühlbacher 2024-05-31 12:24:38 +02:00
parent 20f7954cdb
commit 0ca3233518
1 changed files with 16 additions and 19 deletions
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35
src/commands/mount.rs
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@ -192,8 +192,8 @@ fn get_devices_by_uuid(
#[allow(clippy::type_complexity)]
fn get_uuid_for_dev_node(
udev_bcachefs: &HashMap<String, Vec<String>>,
device: &std::path::PathBuf,
) -> anyhow::Result<(Option<Uuid>, Option<(PathBuf, bch_sb_handle)>)> {
device: impl AsRef<Path>,
) -> Result<(Option<Uuid>, Option<(PathBuf, bch_sb_handle)>)> {
let canonical = fs::canonicalize(device)?;
if !udev_bcachefs.is_empty() {
@ -261,11 +261,11 @@ pub struct Cli {
fn devs_str_sbs_from_uuid(
udev_info: &HashMap<String, Vec<String>>,
uuid: String,
uuid: &str,
) -> anyhow::Result<(String, Vec<bch_sb_handle>)> {
debug!("enumerating devices with UUID {}", uuid);
let devs_sbs = Uuid::parse_str(&uuid).map(|uuid| get_devices_by_uuid(udev_info, uuid))??;
let devs_sbs = Uuid::parse_str(uuid).map(|uuid| get_devices_by_uuid(udev_info, uuid))??;
let devs_str = devs_sbs
.iter()
@ -280,7 +280,7 @@ fn devs_str_sbs_from_uuid(
fn devs_str_sbs_from_device(
udev_info: &HashMap<String, Vec<String>>,
device: &std::path::PathBuf,
device: impl AsRef<Path>,
) -> anyhow::Result<(String, Vec<bch_sb_handle>)> {
let (uuid, sb_info) = get_uuid_for_dev_node(udev_info, device)?;
@ -297,10 +297,10 @@ fn devs_str_sbs_from_device(
let dev = path.into_os_string().into_string().unwrap();
Ok((dev, vec![sb]))
} else {
devs_str_sbs_from_uuid(udev_info, uuid.to_string())
devs_str_sbs_from_uuid(udev_info, &uuid.to_string())
}
}
(Some(uuid), None) => devs_str_sbs_from_uuid(udev_info, uuid.to_string()),
(Some(uuid), None) => devs_str_sbs_from_uuid(udev_info, &uuid.to_string()),
_ => Ok((String::new(), Vec::new())),
}
}
@ -309,11 +309,9 @@ fn cmd_mount_inner(opt: Cli) -> Result<()> {
// Grab the udev information once
let udev_info = udev_bcachefs_info()?;
let (devices, sbs) = if opt.dev.starts_with("UUID=") {
let uuid = opt.dev.replacen("UUID=", "", 1);
let (devices, sbs) = if let Some(uuid) = opt.dev.strip_prefix("UUID=") {
devs_str_sbs_from_uuid(&udev_info, uuid)?
} else if opt.dev.starts_with("OLD_BLKID_UUID=") {
let uuid = opt.dev.replacen("OLD_BLKID_UUID=", "", 1);
} else if let Some(uuid) = opt.dev.strip_prefix("OLD_BLKID_UUID=") {
devs_str_sbs_from_uuid(&udev_info, uuid)?
} else {
// If the device string contains ":" we will assume the user knows the entire list.
@ -321,16 +319,15 @@ fn cmd_mount_inner(opt: Cli) -> Result<()> {
// only 1 of a number of devices which are part of the FS. This appears to be the case
// when we get called during fstab mount processing and the fstab specifies a UUID.
if opt.dev.contains(':') {
let mut block_devices_to_mount = Vec::new();
let sbs = opt
.dev
.split(':')
.map(read_super_silent)
.collect::<Result<Vec<_>>>()?;
for dev in opt.dev.split(':') {
let dev = PathBuf::from(dev);
block_devices_to_mount.push(read_super_silent(&dev)?);
}
(opt.dev, block_devices_to_mount)
(opt.dev, sbs)
} else {
devs_str_sbs_from_device(&udev_info, &PathBuf::from(opt.dev))?
devs_str_sbs_from_device(&udev_info, Path::new(&opt.dev))?
}
};