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Added support for preserving timestamps.

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This commit is contained in:
Matt8898 2017-08-04 14:08:16 +02:00
parent 48ae9b64ba
commit 03432db951
1 changed files with 19 additions and 3 deletions
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22
src/cp/cp.rs
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@ -10,6 +10,7 @@
* that was distributed with this source code. * that was distributed with this source code.
*/ */
extern crate libc;
extern crate clap; extern crate clap;
extern crate walkdir; extern crate walkdir;
#[cfg(target_os = "linux")] #[cfg(target_os = "linux")]
@ -17,6 +18,8 @@ extern crate walkdir;
#[macro_use] extern crate uucore; #[macro_use] extern crate uucore;
#[macro_use] extern crate quick_error; #[macro_use] extern crate quick_error;
use std::mem;
use std::ffi::CString;
use clap::{Arg, App, ArgMatches}; use clap::{Arg, App, ArgMatches};
use quick_error::ResultExt; use quick_error::ResultExt;
use std::collections::HashSet; use std::collections::HashSet;
@ -516,7 +519,6 @@ impl Options {
OPT_DEREFERENCE, OPT_DEREFERENCE,
OPT_NO_DEREFERENCE, OPT_NO_DEREFERENCE,
OPT_PRESERVE_DEFUALT_ATTRIBUTES, OPT_PRESERVE_DEFUALT_ATTRIBUTES,
OPT_PRESERVE,
OPT_NO_PRESERVE, OPT_NO_PRESERVE,
OPT_PARENTS, OPT_PARENTS,
OPT_SPARSE, OPT_SPARSE,
@ -787,7 +789,21 @@ fn copy_attribute(source: &Path, dest: &Path, attribute: &Attribute) -> CopyResu
let metadata = fs::metadata(source).context(context)?; let metadata = fs::metadata(source).context(context)?;
fs::set_permissions(dest, metadata.permissions()).context(context)?; fs::set_permissions(dest, metadata.permissions()).context(context)?;
}, },
Attribute::Timestamps => return Err(Error::NotImplemented("preserving timestamp not implemented".to_string())), Attribute::Timestamps => {
let meta = fs::metadata(source)?;
let modified = meta.modified()?;
let accessed = meta.accessed()?;
let src_path = CString::new(source.as_os_str().to_str().unwrap()).unwrap();
let dest_path = CString::new(dest.as_os_str().to_str().unwrap()).unwrap();
unsafe {
let mut stat: libc::stat = mem::zeroed();
libc::stat(src_path.as_ptr(), &mut stat);
libc::utime(dest_path.as_ptr(), &libc::utimbuf{
actime: stat.st_atime,
modtime: stat.st_mtime
});
}
},
Attribute::Context => return Err(Error::NotImplemented("preserving context not implemented".to_string())), Attribute::Context => return Err(Error::NotImplemented("preserving context not implemented".to_string())),
Attribute::Links => return Err(Error::NotImplemented("preserving links not implemented".to_string())), Attribute::Links => return Err(Error::NotImplemented("preserving links not implemented".to_string())),
Attribute::Xattr => return Err(Error::NotImplemented("preserving xattr not implemented".to_string())), Attribute::Xattr => return Err(Error::NotImplemented("preserving xattr not implemented".to_string())),
@ -892,7 +908,7 @@ fn copy_file(source: &Path, dest: &Path, options: &Options) -> CopyResult<()> {
} }
}, },
CopyMode::AttrOnly => { CopyMode::AttrOnly => {
let dst_file = OpenOptions::new() OpenOptions::new()
.write(true) .write(true)
.truncate(false) .truncate(false)
.create(true) .create(true)