x->failed_unlink_is_fatal = 1;
x->hard_link = 0;
x->interactive = 0;
+ x->move_mode = 1;
x->myeuid = geteuid ();
x->one_file_system = 0;
x->preserve_owner_and_group = 1;
static int
do_move (const char *source, const char *dest, const struct cp_options *x)
{
- char *dest_backup = NULL;
- struct stat source_stats;
- struct stat dest_stats;
- int nonexistent_dst;
+ static int first = 1;
+ int copy_into_self;
+ int rename_succeeded;
int fail;
- if (lstat (source, &source_stats) != 0)
+ if (first)
{
- error (0, errno, "%s", source);
- return 1;
- }
+ first = 0;
- nonexistent_dst = 1;
- if (lstat (dest, &dest_stats) == 0)
- {
- nonexistent_dst = 0;
+ /* Allocate space for remembering copied and created files. */
+ hash_init (INITIAL_HASH_MODULE, INITIAL_ENTRY_TAB_SIZE);
+ }
- if (source_stats.st_dev == dest_stats.st_dev
- && source_stats.st_ino == dest_stats.st_ino)
- {
- error (0, 0, _("`%s' and `%s' are the same file"), source, dest);
- return 1;
- }
+ fail = copy (source, dest, 0, x,
+ ©_into_self, &rename_succeeded);
- if (S_ISDIR (dest_stats.st_mode))
+ if (!fail)
+ {
+ if (copy_into_self)
{
- error (0, 0, _("%s: cannot overwrite directory"), dest);
- return 1;
+ /* Do *not* remove SOURCE if it is the same as or a parent
+ of DEST. Otherwise, mv would be removing the original
+ *and* the copy. */
}
-
- if (!S_ISDIR (source_stats.st_mode) && x->update
- && source_stats.st_mtime <= dest_stats.st_mtime)
- return 0;
-
- if (!x->force && (x->interactive || stdin_tty)
- && euidaccess (dest, W_OK))
+ else if (rename_succeeded)
{
- fprintf (stderr, _("%s: replace `%s', overriding mode %04o? "),
- program_name, dest,
- (unsigned int) (dest_stats.st_mode & 07777));
- if (!yesno ())
- return 0;
+ /* No need to remove anything. SOURCE was successfully
+ renamed to DEST. */
}
- else if (x->interactive)
+ else
{
- fprintf (stderr, _("%s: replace `%s'? "), program_name, dest);
- if (!yesno ())
- return 0;
- }
+ /* This may mean SOURCE and DEST referred to different devices.
+ It may also conceivably mean that even though they referred
+ to the same device, rename wasn't implemented for that device.
- if (x->backup_type != none)
- {
- char *tmp_backup = find_backup_file_name (dest, x->backup_type);
- if (tmp_backup == NULL)
- error (1, 0, _("virtual memory exhausted"));
- dest_backup = (char *) alloca (strlen (tmp_backup) + 1);
- strcpy (dest_backup, tmp_backup);
- free (tmp_backup);
- if (rename (dest, dest_backup))
- {
- if (errno != ENOENT)
- {
- error (0, errno, _("cannot backup `%s'"), dest);
- return 1;
- }
- else
- dest_backup = NULL;
- }
- }
- }
- else if (errno != ENOENT)
- {
- error (0, errno, "%s", dest);
- return 1;
- }
+ E.g., (from Joel N. Weber),
+ [...] there might someday be cases where you can't rename
+ but you can copy where the device name is the same, especially
+ on Hurd. Consider an ftpfs with a primitive ftp server that
+ supports uploading, downloading and deleting, but not renaming.
- if (x->verbose)
- printf ("%s -> %s\n", source, dest);
+ Also, note that comparing device numbers is not a reliable
+ check for `can-rename'. Some systems can be set up so that
+ files from many different physical devices all have the same
+ st_dev field. This is a feature of some NFS mounting
+ configurations.
- /* Always try rename first. */
- fail = rename (source, dest);
+ We reach this point if SOURCE has been successfully copied
+ to DEST. Now we have to remove SOURCE.
- if (fail)
- {
- /* This may mean SOURCE and DEST are on different devices.
- It may also (conceivably) mean that even though they are
- on the same device, rename isn't implemented for that device.
+ This function used to resort to copying only when rename
+ failed and set errno to EXDEV. */
- E.g., (from Joel N. Weber),
- [...] there might someday be cases where you can't rename but you
- can copy where the device name is the same, especially on Hurd.
- Consider an ftpfs with a primitive ftp server that supports
- uploading, downloading and deleting, but not renaming.
-
- Also, note that comparing device numbers is not a reliable check
- for `can-rename'. Some systems can be set up so that files from
- many different physical devices all have the same st_dev field.
- This is a feature of some NFS mounting configurations.
-
- Try copying-then-removing SOURCE instead.
-
- This function used to resort to copying only when rename failed
- and set errno to EXDEV. */
-
- static int first = 1;
- int copy_into_self;
-
- if (first)
- {
- first = 0;
-
- /* Allocate space for remembering copied and created files. */
- hash_init (INITIAL_HASH_MODULE, INITIAL_ENTRY_TAB_SIZE);
- }
-
- fail = copy (source, dest, nonexistent_dst, x, ©_into_self);
- if (fail)
- {
- /* Restore original destination file DEST if made a backup. */
- if (dest_backup && rename (dest_backup, dest))
- error (0, errno, _("cannot un-backup `%s'"), dest);
- }
- else if (copy_into_self)
- {
- /* Do *not* remove SOURCE if it is the same as or a parent of DEST.
- Otherwise, mv would be removing the original *and* the copy. */
- }
- else
- {
struct rm_options rm_options;
struct File_spec fs;
enum RM_status status;