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cp: Make -P work without -R as per POSIX

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According to POSIX, cp should allow the `-P` flag to work whether `-R`
is specified or not.  Currently, the `-P` option only works along with
`-R`.

PR:		199466
Reviewed by:	kevans
Differential Revision:	https://reviews.freebsd.org/D30012
This commit is contained in:
Cameron Katri 2022-02-23 12:55:13 -06:00 committed by Kyle Evans
parent ab7d095969
commit 97e1303791
3 changed files with 31 additions and 9 deletions
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16
bin/cp/cp.1
View File

@ -32,7 +32,7 @@
.\" @(#)cp.1 8.3 (Berkeley) 4/18/94
.\" $FreeBSD$
.\"
.Dd June 6, 2015
.Dd February 23, 2022
.Dt CP 1
.Os
.Sh NAME
@ -55,6 +55,14 @@
.Op Fl f | i | n
.Op Fl alpsvx
.Ar source_file ... target_directory
.Nm
.Op Fl f | i | n
.Op Fl alPpsvx
.Ar source_file target_file
.Nm
.Op Fl f | i | n
.Op Fl alPpsvx
.Ar source_file ... target_directory
.Sh DESCRIPTION
In the first synopsis form, the
.Nm
@ -84,10 +92,10 @@ If the
.Fl R
option is specified, all symbolic links are followed.
.It Fl P
If the
No symbolic links are followed.
This is the default if the
.Fl R
option is specified, no symbolic links are followed.
This is the default.
option is specified.
.It Fl R
If
.Ar source_file

13
bin/cp/cp.c
View File

@ -100,21 +100,23 @@ main(int argc, char *argv[])
{
struct stat to_stat, tmp_stat;
enum op type;
int ch, fts_options, r, have_trailing_slash;
int Pflag, ch, fts_options, r, have_trailing_slash;
char *target;
fts_options = FTS_NOCHDIR | FTS_PHYSICAL;
Pflag = 0;
while ((ch = getopt(argc, argv, "HLPRafilnprsvx")) != -1)
switch (ch) {
case 'H':
Hflag = 1;
Lflag = 0;
Lflag = Pflag = 0;
break;
case 'L':
Lflag = 1;
Hflag = 0;
Hflag = Pflag = 0;
break;
case 'P':
Pflag = 1;
Hflag = Lflag = 0;
break;
case 'R':
@ -123,6 +125,7 @@ main(int argc, char *argv[])
case 'a':
pflag = 1;
Rflag = 1;
Pflag = 1;
Hflag = Lflag = 0;
break;
case 'f':
@ -145,7 +148,7 @@ main(int argc, char *argv[])
break;
case 'r':
rflag = Lflag = 1;
Hflag = 0;
Hflag = Pflag = 0;
break;
case 's':
sflag = 1;
@ -179,7 +182,7 @@ main(int argc, char *argv[])
fts_options &= ~FTS_PHYSICAL;
fts_options |= FTS_LOGICAL;
}
} else {
} else if (!Pflag) {
fts_options &= ~FTS_PHYSICAL;
fts_options |= FTS_LOGICAL | FTS_COMFOLLOW;
}

11
bin/cp/tests/cp_test.sh
View File

@ -190,6 +190,16 @@ recursive_link_Lflag_body()
'(' ! -L foo-mirror/foo/baz ')'
}
atf_test_case standalone_Pflag
standalone_Pflag_body()
{
echo "foo" > bar
ln -s bar foo
atf_check cp -P foo baz
atf_check -o inline:'Symbolic Link\n' stat -f %SHT baz
}
atf_init_test_cases()
{
atf_add_test_case basic
@ -202,4 +212,5 @@ atf_init_test_cases()
atf_add_test_case recursive_link_dflt
atf_add_test_case recursive_link_Hflag
atf_add_test_case recursive_link_Lflag
atf_add_test_case standalone_Pflag
}