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| author | Paul Eggert <eggert@cs.ucla.edu> | 2023-01-27 10:59:13 -0800 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2023-01-27 11:03:38 -0800 |
| commit | 20005ca733e111a61212ee8a6890a54583c55562 (patch) | |
| tree | 97fff68c621a25523b4c61f0ae61bede6e239898 /doc | |
| parent | d5868df0d0a6bd09387ece41b62b873fd7c201f9 (diff) | |
| download | coreutils-20005ca733e111a61212ee8a6890a54583c55562.tar.gz | |
mv: new option --no-copy
Wishlist item from Mike Frysinger (Bug#61050).
* src/copy.c (copy_internal):
Do not fall back on copying if x->no_copy.
* src/copy.h (struct cp_options): New member no_copy.
* src/mv.c (NO_COPY_OPTION): New constant.
(long_options, usage, main): Support --no-copy.
* tests/mv/no-copy.sh: New test.
* tests/local.mk (all_tests): Add it.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/coreutils.texi | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi index f5e531d65..c7494ba47 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -10038,19 +10038,16 @@ failing that if the last file is a directory and the directory, using the @var{source}s' names. @end itemize -@command{mv} can move any type of file from one file system to another. -Prior to version @code{4.0} of the fileutils, -@command{mv} could move only regular files between file systems. -For example, now @command{mv} can move an entire directory hierarchy -including special device files from one partition to another. It first -uses some of the same code that's used by @code{cp -a} to copy the -requested directories and files, then (assuming the copy succeeded) -it removes the originals. If the copy fails, then the part that was -copied to the destination partition is removed. If you were to copy -three directories from one partition to another and the copy of the first +To move a file, @command{mv} ordinarily simply renames it. +However, if renaming does not work because the destination's file +system differs, @command{mv} falls back on copying as if by @code{cp -a}, +then (assuming the copy succeeded) it removes the original. +If the copy fails, then @command{mv} removes any partially created +copy in the destination. If you were to copy three directories from +one file system to another and the copy of the first directory succeeded, but the second didn't, the first would be left on -the destination partition and the second and third would be left on the -original partition. +the destination file system and the second and third would be left on the +original file system. @cindex extended attributes, xattr @command{mv} always tries to copy extended attributes (xattr), which may @@ -10114,6 +10111,12 @@ Do not overwrite an existing file; silently do nothing instead. @mvOptsIfn This option is mutually exclusive with @option{-b} or @option{--backup} option. +@item --no-copy +@opindex --no-copy +@cindex renaming files without copying them +If a file cannot be renamed because the destination file system differs, +fail with a diagnostic instead of copying and then removing the file. + @item -u @itemx --update @opindex -u |