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freezepointfile (4)
  • >> freezepointfile (4) ( Solaris man: Специальные файлы /dev/* )
  • 
    NAME
         freezepointfile - format of a freezepoint file
    
    DESCRIPTION
         A freezepoint file contains a list of source files and,  for
         each  source  file,  an  identifier  that  corresponds  to a
         specific version of that source file.  The files listed in a
         freezepoint  file  are named relative to a source directory.
         The source directory  used  to  create  the  freezepoint  is
         listed  in  the freezepoint file before any file names.  The
         source directory name is a fully qualified  path  name  that
         begins  with  the  "/"  character.  Lines in the freezepoint
         file that begin with the "#" character are ignored.
    
         The first line of a freezepoint file  contains  the  version
         identifier.   The  next few lines are a comment, followed by
         the source directory, followed by another comment,  followed
         by  the  list  of  files and deltas, one file per line.  For
         example:
    
         VERSION 1
         # Freezepoint File
         #
         # This freezepoint was created from the SCCS files located under
         # the Source Directory:
         /ws/alpha2/
         #
         # To use this freezepoint to extract the specified deltas for the files
         # listed below you must have access to the above directory or some
         # other directory that contains a copy of the same SCCS source hierarchy.
         # The file names listed below are relative to the Source Directory.
         #
         # This file may be edited by hand and/or it may be freezeed in to SCCS.
         # Lines that begin with a # anywhere in the file are ignored.
         #
         # Format:
         # sfilename (prev SID) date time user hex hex hex hex hex hex hex hex
         #
         # First four hex's are the SCCS Mergeable Id of the root delta of the
         # containing delta tree.
         #
         # Last four hex's are the SMID of the desired delta.
    
         larryh f2b6e341 8ba736e0 b6298f8d 3904858e 4a0e9e1 bf4bd630
         2529f08f f4f7b6f1
    
         The format of each freezepoint entry (line) in a freezepoint
         file is fixed, however the order and number of these entries
         does not matter - each line is treated as a separate entity.
         The  crucial  information  is  the  name  and  the eight hex
         numbers at the end of the line.  The  other  information  is
         included  for  the convenience of users who may use the grep
         utility  or  an  editor  to  examine  the  contents   of   a
         freezepoint file.
    
         Note that the SID is preceded by  the  string  "previously".
         SCCS  files  that are merged by the SPARCworks/TeamWare Code
         Manager will sometimes have their SID's renumbered.  In  the
         above  example,  the  delta  that  was  named 1.12 when this
         freezepoint file was created, may now be named 1.12.1.1  and
         may  be  renamed  again in the future.  For this reason, the
         freezepoint extract command ignores the SID.
    
         The eight hex numbers at the end of  each  freezepoint  line
         represent  two  SCCS Mergeable Ids (SMIDs), each of which is
         comprised of four hex numbers.  The  first  SMID  identifies
         the  root delta in the file history (usually delta 1.1), and
         the second SMID identifies the delta that  was  the  default
         when  the  freezepoint  file  was created.  It is the second
         SMID that is used by the FreezePoint extract command to  get
         the desired version of the file from the source directory.
    
         The root delta SMID is used to verify that the file found in
         the  source is in fact the same file that was used to create
         this entry in the freezepoint.  If  the  original  file  has
         been  renamed  or  deleted,  the  desired  delta  cannot  be
         extracted for this file.
    
      Finding Renamed Files
         If you suspect that the file has been renamed  or  moved  to
         some other location within the source directory, you can use
         a new freezepoint and the root delta SMID from the  original
         freezepoint  file  to  determine the new name of the missing
         file, or to verify that the file has been deleted  from  the
         source directory completely.
    
         For example, suppose an old  freezepoint  file  contains  an
         entry like this:
    
         usr/src/foo/include/pkg1/abc.h ......x1 x2 x3 x4  x5 x6 x7 x8
    
         where x's represent the two SMIDS.
    
         The  source  file  usr/src/foo/include/pkg1/abc.h  may   not
         currently  exist,  or  if it does exist, freezepoint extract
         may claim that it is not the same abc.h  that  was  used  to
         create the freezepoint file.
    
         You can locate the renamed file (or determine  that  it  was
         deleted) using the following procedure.
    
         o   Create a new freezepoint  file  of  the  entire  current
             source directory
    
         o   Use the grep utility to search for the string "x1 x2  x3
             x4" (the root delta SMID)
    
         If the file that  was  called  abc.h  still  exists  in  the
         current  source directory, you will find its root delta SMID
         and current path name in the new freezepoint file.
    
         usr/src/foo/include/pkg3/zzz.h ......x1 x2 x3 x4  x9 x10 x11 x12
    
    
    SEE ALSO
         freezept(1), freezepointtool(1),  bringover(1),  putback(1),
         resolve(1)
    
    
    
    


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