Ubuntu Feisty 7.04 manual page repository

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        save - save revision of a file


        save [ version binding options ] [ options ] files ..
        Save [ version binding options ] [ options ] files ..
        Options: [ -?fglq ] [ -help ] [ -a (or -alias) version alias ]
                 [ -delta ] [ -force ] [ -fix generation | alias | date ]
                 [ -newgen ] [ -lock ] [ -m (or -logmsg) message ]
                 [ -n (or -setvnum) version number ] [ -nodelta ] [ -quiet ]
                 [ -setattrs filename ] [ -stdin ] [ -version ]


        save  takes  a  snapshot  of  the current state of the specified files,
        stores them into corresponding archive files and assigns unique version
        numbers to the created versions.  The original files will by default be
        removed and unlocked in order to support a cooperative style  of  team‐
        work. Versions of files can be restored as regular files with the retrv
        command. Versions in archives are inalterable.
        An archive will be created the first time a file is saved in  a  subdi‐
        rectory  named  AtFS.  The  AtFS subdirectory must be present.  When an
        archive is created, save asks for a short description of the saved doc‐
        uments  purpose. If a subsequent version is saved, the user is prompted
        for a comment describing the modifications. The save  command  requires
        that the version history of a file that shall be saved is locked by the
        user issuing the command.  This is to prevent different developers from
        applying  concurrent  updates to the same file and thereby invalidating
        the other developers’ modifications. The only exception from this  rule
        is  the first time a file is saved, which means that an archive has yet
        to be created. For more details on locking, see  the  ShapeTools  Tuto‐
        The  save  program assigns unique version ids to each evolving revision
        of a file. The version id is a pair of integers  separated  by  a  dot,
        identifying the major and minor revision (<generation>.<revision>) of a
        version. Subsequent invocations of save  increase  the  minor  revision
        number,  starting  with version 1.0. The generation number is increased
        by invocations of Save (see below). There is no  support  for  explicit
        branching. The version control toolkit rather encourages a linear model
        of version evolution. Instead of branching, save allows to  insert  new
        versions  into  old generations (see description of -fix). This allows,
        for example, to fix bugs in major  revision  N  (version  numbers  N.x)
        which  may  be the currently operational release while development pro‐
        ceeds in generation N+1 (or N+n if you like).
        Before a file is saved it will  be  checked  whether  it  has  actually
        changed  with  respect  to  the  previously  saved version. If the file
        hasn’t changed, the user will be asked if it should  be  saved  anyway.
        The command line option -f (or -force) overrides the prompting.
        The  version  control system supports a built-in basic status model for
        versions. The version status is intended to express different levels of
        quality,  and aims at providing basic project management functionality.
        State attributes of software objects can help to describe  an  object’s
        current  meaning in the development process (e.g.  tested, incompletely
        implemented, submitted for evaluation, or shipped to customer).
        A newly created version will by default be assigned  the  state  saved.
        This status marks the lowest level of quality, suggesting that the ver‐
        sion  is  just  saved  for  possible  later  retrieval   but   may   be
        inconsistent.  Versions that meet higher quality standards (or are part
        of a release) should be marked by appropriate status  (see  vadm  -pro     
        mote, sbmt, or publ).
        If  the program is invoked as Save (that is with capital-S) a new major
        revision (generation) of the document history is created - provided the
        programmer  issuing  the  command  has  the permission to do this. This
        option is intended to support a development model where maintenance  of
        an  operational release can be performed parallel to the development of
        the next release (see -fix).


        For version selection, any version binding option, as described on  the
vbind(1) manual page, may be given. Version bind directives in brackets
vbind(1). A  version
        number  following  the  name  will  be  treated as if the -n (-setvnum)
        option was given with this version number as argument. Any other string
        in brackets will be taken as alias name (see -alias option).
        -?, -help
               print short information about usage of this command.
        -a, -alias version alias
               assign  a version alias (a symbolic name) to the new version. In
               more detail, an attribute __SymbolicName__ is set to  the  value
               specified in version alias. The specified alias name must not be
               assigned to any other version within the same  version  history.
               Alternatively  to  the -a option, the version alias may be given
               in brackets following the name of the file to  be  saved.  Check
               the  description  of  the -n option for an example of this nota‐
        -delta Create delta for internal storage. This is the default.
        -f, -force
               force a revision deposit (i.e. without asking), even if the busy
               version hasn’t changed since the last time it was saved.
        -fix generation | alias | date
               append  a  new  version after the most recent version within the
               referenced  major  revision  level.  The  major  revision  level
               (called  ‘‘generation’’)  is  either  referenced  explicitly, by
               specifying a number, or  implicitly,  by  specifying  a  version
               alias  (e.g.  a release name) or a date. The latter form is par‐
               ticularly useful for saving a fix that extends  over  more  than
               one object.
               This option is intended to support maintenance of older releases
               while development proceeds at the logical  end  of  the  version
               chain.  In order to insert a (fixed) version into an old genera‐
               tion, one must have a lock on the most recent  version  of  that
               generation  (generation  lock).  This  lock must be set with the
               vadm command. The -fix option  is  incompatible  with  -setvnum,
               -newgen and the Save command option.
        -g, -newgen
               create  a  major  revision  of the document. Major revisions are
               indicated by the first number in  the  version-id  (generation).
               Only  the archive administrator is allowed to create major revi‐
               sions. The archive administrator is the user who owns  the  AtFS
               subdirectory  where  the  version  archives  reside. Use of this
               switch is identical to calling the program as Save.
        -l, -lock
               Keep the lock on the version history. The saved files  will  not
               be removed.
        -m, -logmsg message
               set  message  as descriptive note for all document versions that
               result from the invocation of save. When message starts with  an
               at  sign  (@),  it  is interpreted as filename and the text con‐
               tained in the file is set as descriptive note for  all  document
               versions that result from the invocation of save.
        -n, -setvnum version number
               set the version number of the newly created revision to version.
               The version must be given in the format  <generation>.<revision>
               where generation and revision are integers. Example:
               save -setvnum 4.3 mkattr.c
               The  specified  version  must be greater than the highest previ‐
               ously assigned version number in a given  object  history.  Only
               the  archive administrator may set version numbers directly. The
               archive administrator is the user who owns the AtFS subdirectory
               where  the version archives reside. -setvnum is useful for keep‐
               ing consistent version numbering across related, physically dif‐
               ferent object repositories, or for converting archive formats of
               other revision control systems to this toolkit (see:  rcs2atfs).
               Alternatively  to the -n option, the version number may be given
               in brackets following the name of the file  to  be  saved.   The
               save mkattr.c[4.3]
               is interpreted the same way as the example above.
               Suppress delta generation
        -q, -quiet
               quiet operation. No messages are printed on standard output.  If
               the busy version is unchanged, it will not be saved unless -f is
               set. The user will not be prompted for a descriptive note. If no
               message or note is supplied with the command line  (see  options
               -m  and -t) the log will remain empty. This option is useful for
               batch operation.
        -setattrs filename
               read names and values of user defined attributes from  the  file
               filename.  The entries in the attribute file must have either of
               the formats NAME=VALUE or NAME+=VALUE. NAME must be an  alphanu‐
               meric  string (no spaces) immediately followed by the assignment
               operator. The value may be an arbitrary ASCII  string  with  the
               exception  of control-A and newline characters. There is exactly
               one attribute definition per line.  The  file’s  last  character
               must be a newline character.
               If  the  first  format (single equal symbol) is used, previously
               assigned values of user defined attributes are  reset  with  the
               values defined in the attribute file.  The second format (‘‘plus
               equal’’) allows to append additional values to an already exist‐
               ing  attribute.  If no attribute of a given name exists, it will
               be created.
               This way to attach attributes  was  introduced  to  allow  quick
               automatic  attachment of a large number of attributes to version
               objects. This interface to the  attribute  setting  facility  is
               mainly intended for tools that invoke save.
               If  the  -setattrs option is omitted, save searches the environ‐
               ment for a variable SVATTRS. If this variable is absent, no user
               defined attributes will be assigned to the evolving versions.
        -stdin force  save  to  read  a  descriptive note from stdin instead of
               forking an editor. A previously set intent-message is printed.
               print the version of the program itself.


        All revisions of documents are stored in archive files in the subdirec‐
        tory AtFS.


        With  the -g (-newgen) option given and an unchanged busy version, save
        ignores the users answer to the question, if the busy version should be
        saved  anyway. It always assumes a positive answer and goes on with its
        saving procedure. You can avoid saving by  interrupting  (Ctrl-C)  save
        during  the next question if the unmodified version should be commented


        Axel.Mahler@cs.tu-berlin.de and Andreas.Lampen@cs.tu-berlin.de


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