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feat(df): Add the support of path for df. ex: df /boot

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This commit is contained in:
Sylvestre Ledru 2020-04-29 23:04:58 +02:00 • committed by Roy Ivy III
parent c5a26810cb
commit 8f6770401d
1 changed files with 21 additions and 3 deletions
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24
src/uu/df/df.rs
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@ -100,6 +100,7 @@ static OPT_KILO: &str = "kilo";
static OPT_LOCAL: &str = "local";
static OPT_NO_SYNC: &str = "no-sync";
static OPT_OUTPUT: &str = "output";
static OPT_PATHS: &str = "paths";
static OPT_PORTABILITY: &str = "portability";
static OPT_SYNC: &str = "sync";
static OPT_TYPE: &str = "type";
@ -645,7 +646,7 @@ fn read_fs_list() -> Vec<MountInfo> {
}
}
fn filter_mount_list(vmi: Vec<MountInfo>, opt: &Options) -> Vec<MountInfo> {
fn filter_mount_list(vmi: Vec<MountInfo>, paths: &[String], opt: &Options) -> Vec<MountInfo> {
vmi.into_iter()
.filter_map(|mi| {
if (mi.remote && opt.show_local_fs)
@ -654,7 +655,17 @@ fn filter_mount_list(vmi: Vec<MountInfo>, opt: &Options) -> Vec<MountInfo> {
{
None
} else {
Some((mi.dev_id.clone(), mi))
if paths.is_empty() {
// No path specified
return Some((mi.dev_id.clone(), mi));
}
if paths.contains(&mi.mount_dir) {
// One or more paths have been provided
Some((mi.dev_id.clone(), mi))
} else {
// Not a path we want to see
None
}
}
})
.fold(
@ -849,6 +860,8 @@ pub fn uumain(args: Vec<String>) -> i32 {
.long("version")
.help("output version information and exit"),
)
.arg(Arg::with_name(OPT_PATHS).multiple(true))
.help("Filesystem(s) to list")
.get_matches_from(&args);
if matches.is_present(OPT_VERSION) {
@ -856,6 +869,11 @@ pub fn uumain(args: Vec<String>) -> i32 {
return EXIT_OK;
}
let paths: Vec<String> = matches
.values_of(OPT_PATHS)
.map(|v| v.map(ToString::to_string).collect())
.unwrap_or_default();
#[cfg(windows)]
{
if matches.is_present(OPT_INODES) {
@ -896,7 +914,7 @@ pub fn uumain(args: Vec<String>) -> i32 {
opt.fs_selector.exclude(fs_type.to_owned());
}
let fs_list = filter_mount_list(read_fs_list(), &opt)
let fs_list = filter_mount_list(read_fs_list(), &paths, &opt)
.into_iter()
.filter_map(Filesystem::new)
.filter(|fs| fs.usage.blocks != 0 || opt.show_all_fs || opt.show_listed_fs)