400 lines
8.3 KiB
Groff
400 lines
8.3 KiB
Groff
.\" Copyright (c) 1983, 1990 The Regents of the University of California.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" from: @(#)sccs.1 2.10 (Berkeley) 7/24/91
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.\" $Id: sccs.1,v 1.2 1993/08/01 07:28:54 mycroft Exp $
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.\"
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.Dd July 24, 1991
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.Dt SCCS 1
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.Os BSD 4.2
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.Sh NAME
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.Nm sccs
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.Nd front end for the
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.Li SCCS
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subsystem
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.Sh SYNOPSIS
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.Nm sccs
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.Op Fl r
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.Op Fl d Ar path
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.Op Fl p Ar path
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.Ar command
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.Op flags
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.Op Ar
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.Sh DESCRIPTION
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.Nm Sccs
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is a front end to the
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.Li SCCS
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programs
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that
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helps them mesh more cleanly
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with
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the rest of UNIX.
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It
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also includes the capability to run
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.Dq set user id
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to another user
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to
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provide additional protection.
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.Pp
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Basically,
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.Nm sccs
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runs the command with the specified
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.Ar flags
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and
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.Ar args .
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Each argument is normally modified to be prepended with
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.Dq Li SCCS/s. .
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.Pp
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Flags to be interpreted by the
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.Nm sccs
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program must be before the
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.Ar command
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argument.
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Flags to be passed to the actual
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.Li SCCS
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program must come after the
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.Ar command
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argument.
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These flags are specific to the command and
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are discussed in the documentation for that command.
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.Pp
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Besides the usual
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.Li SCCS
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commands,
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several
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.Dq pseudo-commands
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can be issued.
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These are:
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.Bl -tag -width deledit
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.It Cm edit
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Equivalent
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to
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.Dq Li get \-e .
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.It Cm delget
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Perform a delta on the named files and
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then get new versions.
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The new versions will have id keywords expanded, and
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will not be editable.
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The
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.Fl m ,
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.Fl p ,
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.Fl r ,
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.Fl s ,
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and
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.Fl y
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flags will be passed to
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.Nm delta ,
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and the
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.Fl b,
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.Fl c ,
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.Fl e ,
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.Fl i ,
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.Fl k ,
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.Fl l ,
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.Fl s ,
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.\" anybody who has a bad xterm which is almost anyone
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and
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.Fl x
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flags will be passed to get.
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.It Cm deledit
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Equivalent
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to
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.Nm delget
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except that the
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.Nm get
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phase includes the
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.Fl e
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flag.
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This
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option is useful for making a
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.Em checkpoint
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of your current editing phase. The same flags will be passed to delta
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as described above, and
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all the flags listed for
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.om get
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above except
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.Fl e
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and
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.Fl k
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are
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passed to
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.Nm edit .
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.It Cm create
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Creates
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an
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.Li SCCS
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file ,
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taking
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the initial contents from the file of the same name.
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Any
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flags to
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.Nm admin
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are accepted. If the creation is successful,
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the files are renamed with a comma on the front.
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These should be removed when you are convinced that the
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.Li SCCS
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files
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have been created successfully.
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.It Cm fix
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Must
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be followed by a
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.Fl r
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flag.
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This command essentially removes the named delta, but
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leaves you with a copy of the delta
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with the changes that were in it. It
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is useful for fixing small compiler bugs, etc.
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Since it doesn't leave audit trails, it should be used carefully.
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.It Cm clean
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This routine removes everything from the current directory
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that can be recreated from SCCS files.
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It will not remove any files being edited.
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If the
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.Fl b
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flag is given, branches are ignored in the determination of
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whether they are being edited; this
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is dangerous if you are keeping the branches in the
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same directory.
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.It Cm unedit
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This
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is the opposite of an
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.Nm edit
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or
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a
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.Dq Li get \-e .
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It should be used with extreme caution, since
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any changes you made since the get will be irretrievably lost.
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.It Cm info
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Gives a listing of all files being edited.
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If the
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.Fl b
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flag
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is given, branches (i.e.,
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.Li SID Ns \&\'s
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with two or fewer components)
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are ignored. If the
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.Fl u
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flag is given (with an optional argument) then
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only files being edited by you (or the named user) are listed.
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.It Cm check
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Like
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.Nm info
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except that nothing is printed if nothing is being edited, and
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a non-zero exit status is returned if anything is being edited.
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The intent is to have this included in an
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.Em install
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entry in a makefile to insure that everything is included into the
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.Li SCCS
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file before a version is installed.
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.It Cm tell
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Gives a newline-separated list of the files being edited
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on the standard output. Takes the
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.Fl b
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and
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.Fl u
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flags like
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.Nm info
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and
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.Nm check .
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.It Cm diffs
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Gives a
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.Nm diff
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listing between the current version of the
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program(s) you have out for editing and the versions in
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.Li SCCS
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format.
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The
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.Fl r ,
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.Fl c ,
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.Fl i ,
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.Fl x ,
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and
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.Fl t
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flags are passed to
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.if n \{\
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. br
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.\}
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.Nm get ;
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the
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.Fl l ,
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.Fl s ,
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.Fl e ,
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.Fl f ,
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.Fl h ,
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and
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.Fl b
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options are passed to
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.if n \{\
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. br
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.\}
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.Nm diff .
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The
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.Fl C
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flag is passed to
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.Nm diff
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as
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.Fl c .
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.It Cm print
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This command prints out verbose information
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about the named files.
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.Pp
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.It Fl r
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Runs
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.Nm sccs
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as the real user rather than as whatever effective user
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.Nm sccs
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is
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.Dq Li set user id
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to.
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.It Fl d
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Specifies a root directory for the
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.Li SCCS
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files.
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The default is the current directory.
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If environment variable
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.Ev PROJECT
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is set,
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it will be used to determine the
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.Fl d
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flag.
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.It Fl p
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Defines the pathname of the directory in which the
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.Li SCCS
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files will be found;
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.Dq Li SCCS
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is the default.
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The
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.Fl p
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flag
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differs from the
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.Fl d
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flag
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in that the
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.Fl d
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argument is prepended to the entire pathname and the
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.Fl p
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argument is inserted before the final component of the pathname.
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For example,
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.Dq Li sccs \-d/x \-py get a/b
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will convert to
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.Dq Li get /x/a/y/s.b .
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The intent here is to create aliases such as
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.Dq Li alias syssccs sccs -d/usr/src
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which
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will be used as
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.Dq Li syssccs get cmd/who.c .
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.Pp
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Certain
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commands (such as
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.Nm admin )
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cannot be run
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.Dq Li set user id
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by all users, since this would allow anyone to change the authorizations.
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These commands are always run as the real user.
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.Sh EXAMPLES
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To get a file for editing,
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edit it,
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and produce a new delta:
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.Pp
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.Dl sccs get \-e file.c
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.Dl ex file.c
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.Dl sccs delta file.c
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.Pp
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To get a file from another directory:
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.Pp
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.Dl sccs \-p/usr/src/sccs/s. get cc.c
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.Pp
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or
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.Pp
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.Dl sccs get /usr/src/sccs/s.cc.c
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.Pp
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To make a delta of a large number of files
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in the current directory:
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.Pp
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.Dl sccs delta *.c
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.Pp
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To get a list of files being edited that are not on branches:
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.Pp
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.Dl sccs info \-b
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.Pp
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To delta everything being edited by you:
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.Pp
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.Dl sccs delta \`sccs tell \-u\`
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.Pp
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In a makefile, to get source files
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from an
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.Li SCCS
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file if it does not already exist:
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.Pp
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.Dl SRCS = <list of source files>
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.Dl $(SRCS):
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.Dl \&\tsccs get $(REL) $@
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.Sh ENVIRONMENT
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.Bl -tag -width Ar
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.It Ev PROJECT
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The PROJECT environment variable is checked by the
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.Fl d
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flag. If
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it begins with a slash, it is taken directly; otherwise,
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the home directory of a user of that name is
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examined for a subdirectory
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.Dq Li src
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or
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.Dq Li source .
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If such a directory is found, it is used.
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.El
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.Sh SEE ALSO
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.Xr what 1
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.Xr admin SCCS ,
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.Xr chghist SCCS ,
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.Xr comb SCCS ,
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.Xr delta SCCS ,
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.Xr get SCCS ,
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.Xr help SCCS ,
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.Xr prt SCCS ,
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.Xr rmdel SCCS ,
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.Xr sccsdiff SCCS ,
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.Rs
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.%A Eric Allman
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.%T "An Introduction to the Source Code Control System"
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.Re
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.Sh HISTORY
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The
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.Nm sccs
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command
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appeared in
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.Bx 4.3 .
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.Sh BUGS
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It should be able to take directory arguments on pseudo-commands
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like the
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.Li SCCS
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commands do.
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