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Date:      Sun, 21 Feb 2010 10:14:06 +0000 (UTC)
From:      Gavin Atkinson <gavin@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r204165 - head/usr.sbin/chown
Message-ID:  <201002211014.o1LAE6gw092147@svn.freebsd.org>

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Author: gavin
Date: Sun Feb 21 10:14:06 2010
New Revision: 204165
URL: http://svn.freebsd.org/changeset/base/204165

Log:
  Add a "-x" option to chown(8)/chgrp(1) similar to the same option in
  du(1), cp(1) etc, to prevent the crossing of mountpoints whilst using the
  commands recursively.
  
  PR:		bin/130855
  Submitted by:	keramida
  MFC after:	1 month

Modified:
  head/usr.sbin/chown/chgrp.1
  head/usr.sbin/chown/chown.8
  head/usr.sbin/chown/chown.c

Modified: head/usr.sbin/chown/chgrp.1
==============================================================================
--- head/usr.sbin/chown/chgrp.1	Sun Feb 21 09:25:53 2010	(r204164)
+++ head/usr.sbin/chown/chgrp.1	Sun Feb 21 10:14:06 2010	(r204165)
@@ -31,7 +31,7 @@
 .\"     @(#)chgrp.1	8.3 (Berkeley) 3/31/94
 .\" $FreeBSD$
 .\"
-.Dd April 25, 2003
+.Dd February 21, 2010
 .Dt CHGRP 1
 .Os
 .Sh NAME
@@ -39,7 +39,7 @@
 .Nd change group
 .Sh SYNOPSIS
 .Nm
-.Op Fl fhv
+.Op Fl fhvx
 .Oo
 .Fl R
 .Op Fl H | Fl L | Fl P
@@ -89,6 +89,8 @@ If the
 flag is specified more than once,
 .Nm
 will print the filename, followed by the old and new numeric group ID.
+.It Fl x
+File system mount points are not traversed.
 .El
 .Pp
 The
@@ -125,7 +127,9 @@ In previous versions of this system, sym
 .Pp
 The
 .Fl v
-option is non-standard and its use in scripts is not recommended.
+and
+.Fl x
+options are non-standard and their use in scripts is not recommended.
 .Sh SEE ALSO
 .Xr chown 2 ,
 .Xr fts 3 ,

Modified: head/usr.sbin/chown/chown.8
==============================================================================
--- head/usr.sbin/chown/chown.8	Sun Feb 21 09:25:53 2010	(r204164)
+++ head/usr.sbin/chown/chown.8	Sun Feb 21 10:14:06 2010	(r204165)
@@ -28,7 +28,7 @@
 .\"     @(#)chown.8	8.3 (Berkeley) 3/31/94
 .\" $FreeBSD$
 .\"
-.Dd April 25, 2003
+.Dd February 21, 2010
 .Dt CHOWN 8
 .Os
 .Sh NAME
@@ -36,7 +36,7 @@
 .Nd change file owner and group
 .Sh SYNOPSIS
 .Nm
-.Op Fl fhv
+.Op Fl fhvx
 .Oo
 .Fl R
 .Op Fl H | Fl L | Fl P
@@ -44,7 +44,7 @@
 .Ar owner Ns Op : Ns Ar group
 .Ar
 .Nm
-.Op Fl fhv
+.Op Fl fhvx
 .Oo
 .Fl R
 .Op Fl H | Fl L | Fl P
@@ -97,6 +97,8 @@ If the
 flag is specified more than once,
 .Nm
 will print the filename, followed by the old and new numeric user/group ID.
+.It Fl x
+File system mount points are not traversed.
 .El
 .Pp
 The
@@ -146,7 +148,9 @@ owners.
 .Pp
 The
 .Fl v
-option is non-standard and its use in scripts is not recommended.
+and
+.Fl x
+options are non-standard and their use in scripts is not recommended.
 .Sh SEE ALSO
 .Xr chgrp 1 ,
 .Xr find 1 ,

Modified: head/usr.sbin/chown/chown.c
==============================================================================
--- head/usr.sbin/chown/chown.c	Sun Feb 21 09:25:53 2010	(r204164)
+++ head/usr.sbin/chown/chown.c	Sun Feb 21 10:14:06 2010	(r204165)
@@ -73,14 +73,14 @@ main(int argc, char **argv)
 {
 	FTS *ftsp;
 	FTSENT *p;
-	int Hflag, Lflag, Rflag, fflag, hflag, vflag;
+	int Hflag, Lflag, Rflag, fflag, hflag, vflag, xflag;
 	int ch, fts_options, rval;
 	char *cp;
 
 	ischown = (strcmp(basename(argv[0]), "chown") == 0);
 
-	Hflag = Lflag = Rflag = fflag = hflag = vflag = 0;
-	while ((ch = getopt(argc, argv, "HLPRfhv")) != -1)
+	Hflag = Lflag = Rflag = fflag = hflag = vflag = xflag = 0;
+	while ((ch = getopt(argc, argv, "HLPRfhvx")) != -1)
 		switch (ch) {
 		case 'H':
 			Hflag = 1;
@@ -105,6 +105,9 @@ main(int argc, char **argv)
 		case 'v':
 			vflag++;
 			break;
+		case 'x':
+			xflag = 1;
+			break;
 		case '?':
 		default:
 			usage();
@@ -128,6 +131,8 @@ main(int argc, char **argv)
 		}
 	} else
 		fts_options = hflag ? FTS_PHYSICAL : FTS_LOGICAL;
+	if (xflag)
+		fts_options |= FTS_XDEV;
 
 	uid = (uid_t)-1;
 	gid = (gid_t)-1;
@@ -301,11 +306,11 @@ usage(void)
 
 	if (ischown)
 		(void)fprintf(stderr, "%s\n%s\n",
-		    "usage: chown [-fhv] [-R [-H | -L | -P]] owner[:group]"
+		    "usage: chown [-fhvx] [-R [-H | -L | -P]] owner[:group]"
 		    " file ...",
-		    "       chown [-fhv] [-R [-H | -L | -P]] :group file ...");
+		    "       chown [-fhvx] [-R [-H | -L | -P]] :group file ...");
 	else
 		(void)fprintf(stderr, "%s\n",
-		    "usage: chgrp [-fhv] [-R [-H | -L | -P]] group file ...");
+		    "usage: chgrp [-fhvx] [-R [-H | -L | -P]] group file ...");
 	exit(1);
 }



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