Handle trailing slashes in source filenames correctly. E.g., rewrite
`mv foo/ ../..' to `mv foo/ ../../foo/', not to `mv foo/ ../../'. The
latter caused a panic. Before the trailing slash changes

Handle trailing slashes in source filenames correctly. E.g., rewrite
`mv foo/ ../..' to `mv foo/ ../../foo/', not to `mv foo/ ../../'. The
latter caused a panic. Before the trailing slash changes in the kernel,
the trailing slashes caused the rename() for this mv to fail earlier, so
there was no panic in 2.0.

Fixes part of PR 760.

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Added $Id$

BSD 4.4 Lite bin Sources

- MFC from head@196987

Add NFSv4 ACL support to mv(1).

Reviewed by: rwatson

Staticify symbols that will not be used in other
places.

- Roll-back attempts to mimic rename(2) atomicity introduced in 1.47,
and follow the letter of the POSIX specification.

- Moving a directory to an existing non-empty directory will now fail,
as

- Roll-back attempts to mimic rename(2) atomicity introduced in 1.47,
and follow the letter of the POSIX specification.

- Moving a directory to an existing non-empty directory will now fail,
as required.

- Improve consistency and remove some style bugs of earlier versions.

This version passes all tests of tools/regression/bin/mv/regress.sh 1.6

Reviewed by: bde
MFC after: 1 month

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Calling any function from vfork other than exec* and _exit yields
undefined behavior.

Noted by: alfred

Eliminate gcc "variable clobbered" warnings by declaring the variables
living across the vfork as volatile.

Noted by: kan

When moving a directory across devices to a place where a directory
with the same name exists, delete that directory first, before performing
the copy. This ensures that mv(1) across devices follows

When moving a directory across devices to a place where a directory
with the same name exists, delete that directory first, before performing
the copy. This ensures that mv(1) across devices follows the semantics
of rename(2), as required by POSIX.

This change could introduce the potential of data loss, even if the
copy fails, violating the atomicity properties of rename(2). This is
(mostly) mitigated by first renaming the destination and obliterating
it only after a succesfull copy.

The above logic also led to the introduction of code that will cleanup
the results of a partial copy, if a cross-device copy fails.

PR: bin/118367
MFC after: 1 month

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Attempt to complete the userspace integration of POSIX.1e extended ACLs.
This includes adding support for ACLs into cp(1) and mv(1) userspace
utilities.

For mv(1), if _PC_ACL_EXTENDED is in effect f

Attempt to complete the userspace integration of POSIX.1e extended ACLs.
This includes adding support for ACLs into cp(1) and mv(1) userspace
utilities.

For mv(1), if _PC_ACL_EXTENDED is in effect for the source AND destination
operands, the destination file's ACLs shall reflect the source.

For cp(1), if _PC_ACL_EXTENDED is in effect for both source and destination
operands, and -p has been specified, the ACLs from the source shall be
preserved on the destination.

MFC after: 1 month

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Correct a few places where we called warn() when warnx() should have
been used.

Submitted by: "Liam J. Foy" <liamfoy@sepulcrum.org>
Obtained from: DragonFlyBSD

/*- or .\"- or #- to begin license clauses.

Remove clause 3 from the UCB licenses.

OK'ed by: imp, core

When symbolic link is pointed onto a mount point, it can't be moved
to a different file system.
Patch in PR was incorrect.

PR: bin/64430
Submitted by: Samuel Tardieu
MFC after: 3 days

Centralize _PATH_* definitions.

Submitted by: Tim Kientzle <kientzle@acm.org> (embellished by me)

Quiet warnings about copyright[].

Update usage for the addition of -n in rev 1.35 of mv.c.

Approved by: obrien, sheldonh (mentor).

When trying to emulate a cross-device move operation with cp and rm, add
a "--" argument after the options so filenames with leading dashes are
handled correctly.

PR: 39318
Submitted by: Serge van

When trying to emulate a cross-device move operation with cp and rm, add
a "--" argument after the options so filenames with leading dashes are
handled correctly.

PR: 39318
Submitted by: Serge van den Boom <svdb@stack.nl>
MFC after: 1 week

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Remove local definition of _PATH_CP, and use <paths.h>, _PATH_CP is in the
CURRENT <paths.h>.

Update SCM ID.

Add the -n option, which automatically answers "no" to the overwrite question.

Warnings fixes.

Move user_from_uid to pwd.h
Move group_from_gid to grp.h
Remove from stdlib.h
Make the prototypes match the code
Fix rm and mv to include new files.

NetBSD has these defined in those files, and othe

Move user_from_uid to pwd.h
Move group_from_gid to grp.h
Remove from stdlib.h
Make the prototypes match the code
Fix rm and mv to include new files.

NetBSD has these defined in those files, and others too that I've not
done.

Approved by: terminal room kabal
Reviewed by: jhb, phk

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missed a few registers