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Contents of /meta-cvs/F-B3689DBB46386B16F4B2331934B69223

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Revision - (show annotations)
Thu May 1 05:34:31 2003 UTC (10 years, 11 months ago) by kaz
Branch: mcvs-1-0-branch
Changes since +7 -2 lines
* code/mcvs-main.lisp (mcvs-execute): If not able to open controlling
tty, emit some warning messages that interactive error handling is
disabled. This alerts users to problems, like missing /dev directory
on Cygwin.
1 Release Notes for Meta-CVS
3 Release 1.0.8, 2003-0?-??:
5 The Cygwin /dev/tty problem is partially addressed. The program
6 won't fail if /dev does not exist, but emits a warning message,
7 and disables interactive error handling. The workaround is to use
8 ``mkdir /dev''. This is a CLISP issue; its OPEN function expects the
9 full path to a file to actually exist, but on Cygwin, there are fake
10 /dev/* paths even though /dev does not exist. If a real /dev directory
11 does in fact exist, it does not interfere with these magic paths.
13 Release 1.0.7, 2003-04-23:
15 New commands sync-to-cvs and sync-from-cvs expose the hard link
16 synchronization algorithm.
18 Revamped error recovery logic. To continue in an error situation now
19 consistently means ``take the bold action that may erase data''
20 or ``proceed in the most obvious way to finish the specified job''.
21 It never means ``roll back the operation and bail'', which was
22 confusing.
24 Termination is no longer unsafe; the `T' menu command, and the
25 equivalent --error-terminate global option perform all necessary
26 restoration and cleanup.
28 Errors that have more information to print, like a list of files or
29 whatever, now indicate it in a standard way which translates to the
30 `I' menu command.
32 Chatter output goes to standard error rather than standard output,
33 as do all error messages.
35 The interactive error menu now talks to the user using the controlling
36 tty, meaning that it will work even if the input or output of the
37 mcvs command are redirected. If no controlling tty is available,
38 then interactive error handling is disabled; the default behavior
39 is then like --error-terminate but can of course be overridden by
40 --error-continue.
42 Release 1.0.6, 2003-04-14:
44 The create command detects the existence of text editor backup files (or
45 other junk) in the MCVS directory after the editor is invoked on the
46 TYPES file. The user is prompted regarding their removal. If these files are
47 not removed, cvs import will bring them into the repository.
49 When Meta-CVS has to split a large CVS command into two or more
50 invocations with shorter argument lists, it now does not stop when one of
51 these invocations is unsuccessful; it does all of them, and combines
52 their termination indications by a logical AND. There was a bug in this
53 logic also which caused, upon termination failure, a cvs command to be
54 repeated for the same list of files.
56 Synchronization logic has been revamped. Unnecessary synchronizations
57 have been removed, which will make some commands run faster.
58 Synchronizations now have specific directions; for instance before
59 a CVS commit or update, changes are pushed from the directory tree to the MCVS
60 directory only, and after the CVS operation, in the reverse direction only.
62 Meta-CVS will no longer re-create missing F- files by linking from the
63 directory tree. Doing this causes two problems. One is that if a user
64 manually removes a F- file and do ``mcvs up'', she wants CVS to fetch a clean
65 copy and push it into the tree. She does not want the file to be restored
66 from the tree prior to the CVS update. Secondly, sometimes CVS itself
67 removes files. If we re-create the files, CVS will consider them to
68 be ``in the way''.
70 Failures to read from the MAP or MAP-LOCAL files are treated as interactive,
71 continuable errors. By continuing, the user agrees that the behavior will
72 be as if an empty map were read.
74 The grab command uses less memory for performing move analysis.
76 Release 1.0.5, 2003-02-25:
78 Bugfix: some one-argument command line options of CVS must be
79 specifies as a single parameter, with no separation between the
80 option letter and the argument characters. For example:
82 cvs log -r rev-1::rev-2 # invalid
83 cvs log -rrev1::rev2 # correct
85 Meta-CVS accepts either syntax, but it was generating the first form
86 when calling CVS. Now, *all* one-letter options that have an argument
87 are formatted in the second manner.
89 Bugfix: one more waitpid() issue was fixed; on fast machines, under
90 Linux, it was observed that from time to time Meta-CVS would get
91 a -1/ECHILD when waiting for the CVS process.
93 Release 1.0.4, 2003-02-20:
95 Fix remaining occurences of the CVS ``No child processes'' abort
96 problem, affecting the list-branches command, merge command
97 and the -r option of the filt command.
99 Release 1.0.3, 2003-02-12:
101 ! THIS RELEASE IS WITHDRAWN. It was accidentally created from the
102 ! experimental main trunk of the Meta-CVS codebase, rather than
103 ! the 1.0 branch. But 1.0.4 does contain all of the changes
104 ! described here.
106 Fix for the CVS ``No child processes'' abort problem. It turns out
107 that CLISP sets the signal handling action for the SIGCHLD signal
108 to SIG_IGN, which is inherited by child processes across the
109 fork() and execvp() calls used in our mcvs_spawn() function.
110 We correct the problem by resetting the signal handler to SIG_DFL
111 just before executing the new process image.
113 New feature, --up option. The argument is a nonnegative integer value
114 (default is zero) which specifies how many sandbox nesting levels to
115 escape out of when locating the sandbox root. This helps work with
116 nested Meta-CVS sandboxes.
118 Release 1.0.2, 2003-02-10:
120 Bugfix in waitpid logic in the C library for running external processes;
121 we were not dealing with an interrupted waitpid.
123 Behavior of mcvs tag is changed: when there are no filename arguments,
124 the whole tree is tagged including the metafiles. In other words, it
125 now works like the commit command.
127 Release 1.0.1, 2003-01-30:
129 Hard link sync optimization: update of a subset of files, commit, and
130 other operations like log and diff don't need to synchronize all
131 hard links, just the ones operated on.
133 The merge and remerge commands support -k option for overriding
134 CVS keyword expansion mode.
136 Fixes to getcwd error handling.
138 Improvement in install.sh script's logic for locating CLISP installation
139 directory.
141 Release 1.0, 2003-01-01:
143 NOTE: It's not possible to upgrade to this release via mcvs-upgrade,
144 because it adds some new C functions to the Lisp executable.
146 Security fix: read-time evaluation was not suppressed when reading
147 structured data, like MCVS/MAP and MCVS/TYPES. This means that it
148 was possible for Alice to check in something that would execute
149 arbitrary code on Bob's computer.
151 Optimization: use fork and exec to launch CVS rather than CLISP's
152 run-program function, which indirects through the shell interpreter.
153 (On Cygwin, the spawnvp function is used).
155 Performance fix: stat() was being called superfluously by the
156 hard synchronization code, twice for each file.
158 Build fix: install.sh works when CLISP executable is called ``lisp.exe'',
159 which is the case under Cygwin with newer CLISP releases.
161 Release 0.99, 2002-11-17:
163 New link command for creating symbolic links.
165 Global option -n (dry run---don't modify filesystem) is processed
166 internally now, not just passed to CVS.
168 Failure to invoke text editor is handled.
170 The -r option of filt is fixed; it has been broken since the change to the
171 new MAP format, because it was reading the raw map representation, not
172 passing it through the right conversion steps that are needed now.
174 Bugfix to purge and remap commands: they were fooled by CVS-generated
175 files in the MCVS/CVS directory. Specifically, files having F- names, and a
176 the suffix ,t.
178 Bugfix to add logic in directory restructuring: there was the possibility
179 of mistakingly taking a clobbered local file to be a new local version of
180 the added file, instead of replacing it. This could happen if the local
181 file had a future timestamp relative to the one coming from the repository.
183 The prop command does not synchronize or write out map if no options are
184 specified.
186 Help text added for move and branch commands. Help text for grab rewritten.
188 The CVSEDITOR and VISUAL environment variables are now checked, not
189 only EDITOR.
191 Release 0.98, 2002-10-13:
193 The prop command was mistakenly reading from MAP-LOCAL and writing to MAP,
194 which could cause information loss if the two differ. It now reads from MAP
195 and writes to MAP. (The property changes propagate to MAP-LOCAL by the
196 update operation invoked by prop, as before).
198 Invocation of external programs included in debug trace.
200 The filt command does not filter F- names if they are immediately preceded by
201 the MCVS/ prefix; such occurences are clearly concrete, sandbox-relative
202 references to the actual F- links, rather than abstract references.
204 The update command now supports the -C option, to fetch the repository
205 copy, throwing away local changes. It also now honors the --metaonly
206 and --nometa options.
208 The export command has been added, for checking out documents without creating
209 a working copy (no MCVS directory in the root of the checkout).
211 The watch command has been added. Note that its syntax differs from that
212 of CVS.
214 The watchers, editors, edit, and unedit commands have been added.
216 A script called mcvs-upgrade is now included, and installs alongside the mcvs
217 script. This allows the Meta-CVS Lisp image to recompile and patch itself,
218 giving users of binary distributions an easy way to upgrade from source
219 code.
221 Release 0.97, 2002-10-06:
223 Meta-CVS now builds and runs on Microsoft Windows, under Cygwin
224 (www.cygwin.com). It still relies on hard links, which requires
225 Windows 2000 or XP, and the NTFS filesystem. It probably won't
226 work over FAT.
228 New --debug option for verbose output.
230 Cleaned up of error messages. Error messages don't specify prefixes like
231 ``mcvs-add:'' or ``mcvs-grab:'' any more. Rather, the error handler adds the
232 ``mcvs:'' prefix when printing the messages in a situation when the error is
233 not continuable.
235 Fixed bug introduced in release 0.13: mcvs add -R was adding only
236 directories, effectively ignoring arguments that are regular files.
237 The error-continuation behavior of mcvs add has been revised.
239 Trying to rename an object onto itself, or to move the sandbox root
240 directory are no longer silent no-ops, but produce an error.
242 The remap command now preserves property lists, and picks up changes
243 in executable permission.
245 The grab command now notices when a file changes from having execute
246 permission to not having execute permission.
248 Operations on the path . now work in a partial sandbox.
250 Release 0.96, 2002-09-21:
252 The restore command was left broken during the change to the new
253 filemap format. It is now fixed.
255 The grab command now handles execute permission bits properly.
257 Some more commands have detailed help.
259 There is now a global option -i which specifies a script to be
260 executed. This allows Meta-CVS to be scripted using Lisp. For
261 instance suppose you have the following script and call it
262 list-matching:
264 #!/usr/local/bin/mcvs -i
265 (in-sandbox-root-dir
266 (let ((mapping (mapping-read *mcvs-map*))
267 (test-func (eval (read-from-string (pop *args*)))))
268 (dolist (entry mapping)
269 (with-slots (path raw-plist) entry
270 (when (funcall test-func raw-plist)
271 (format t "~a~%" path))))))
273 Then to list the names of files whose "importance" property is
274 a value greater than two, run:
276 ./list-matching '(lambda (plist)
277 (let ((imp (getf plist :importance)))
278 (and imp (> imp 2))))'
280 WARNING: Scripting accesses the guts of Meta-CVS directly, so scripts may
281 break as Meta-CVS is maintained. There is currently no published set of
282 stable interfaces.
284 Release 0.95, 2002-09-16:
286 The install.sh script no longer uses a borrowed copy of the clisp-link script
287 or the linkkit directory; these have been removed. These materials
288 are available at every CLISP installation; install.sh now finds them
289 and uses them. Users of non-x86 machines ran into problems because of this
290 because linkkit/clisp.h contains architecture-dependent information.
292 A bug in mcvs filt was fixed; it wasn't handling F- names that aren't found
293 in the map.
295 A more detailed help system now exists, though it's not complete. The ``mcvs
296 help'' command acts just like ``mcvs --help'' without any arguments. If given
297 an additional parameter which specifies a Meta-CVS command, it produces more
298 detailed documentation for that comand. Help exists already for a few
299 commands.
301 The release number is being warped to 0.95, which means that Meta-CVS is now
302 in beta. It is only five updates away from a 1.0 release.
304 Release 0.24, 2002-09-08:
306 The mapping entries for both symlinks and files have extensible property
307 lists now. These are stored in the optional fourth and fifth list elements,
308 respectively of the :FILE and :SYMLINK map entries.
310 Versioning of the execute permission of files is supported, represented as
311 the :EXEC property of a :FILE mapping entry.
313 Some lame syntax is provided for manipulating properties:
315 mcvs prop --set foo --clear bar --remove baz main.c list.c
317 will set the property FOO to true, set the property BAR to false,
318 and remove the property BAZ, in the files main.c and list.c.
319 The execute permission is represented by the property EXEC.
321 Release 0.23, 2002-09-02:
323 Bugfix: the grab command notices edited symlinks and incorporates the
324 changes into the mapping.
326 The grab command now figures out moved symlinks. Moved symlinks are those
327 whose pathname has changed, but which continue to point to the same object
328 (which may also have been moved).
330 Release 0.22, 2002-08-31:
332 Symbolic links are now versioned objects. The format of the MAP file
333 changes to accomodate this; the new Meta-CVS will read old MAP
334 files; when it writes it will write the new format. Old Meta-CVS won't
335 read the new format.
337 When a new module is created from an existing file tree, symbolic
338 links will be recognized and added. The add command will also add
339 symbolic links. Symbolic links can be renamed and moved; this does
340 nothing with their contents. They can point outside of the sandbox
341 using relative or absolute paths.
343 TODO:
345 There doesn't exist yet a special command to create symbolic links, nor to
346 retarget them; retargetting a link can be done manually by editing MCVS/MAP
347 and updating. Retargetting a link using the ln -s command, won't
348 backpropagate to the MAP file; an update will clobber the link.
350 The grab command does not yet compute symbolic link moves; a moved symbolic
351 link is treated as a remove and add. This will be easy to fix.
353 The remap command ignores symlinks.
355 Release 0.21, 2002-08-04:
357 Syntax of grab command changed. The branch is no longer specified as an
358 argument, but using the -r command option. If no revision is specified with
359 -r, then a -A must be specified to make the grab go to the main trunk. This
360 is a safety feature, since grabbing foreign snapshots to the trunk is almost
361 always wrong, though it could be useful during backup recovery, or for fixing
362 mistakes.
364 The way operating system functions are targetted has changed. Instead of
365 relying on the ``linuxlibc6'' module provided by CLISP, Meta-CVS now
366 has its own module for calling foreign functions. This module is portable;
367 it does not depend on the layout of glibc data structures. So Meta-CVS
368 is in theory now portable to other Unixes (provided they have /dev/urandom).
370 Release 0.20, 2002-07-27:
372 The commit command does a true global commit when given no file or directory
373 parameters, and not given the --metaonly option. This means commiting all
374 changes in the MCVS directory, even if they are in F-files that are not
375 currently mapped.
377 Release 0.19, 2002-07-16:
379 When moving multiple files or directories to a subdirectory, a
380 restart is now provided to skip over bad ones and continue.
382 Grab no longer scans files if there are only added files, or only removed
383 files. There are no moves to deduce in that case.
385 Restore properly creates lost+found at the root of a partial sandbox,
386 rather than at the abstract root of the module.
388 Some other algorithmic improvements made.
390 The first few sections of a user guide have been written.
392 Release 0.18, 2002-07-07:
394 Cool new feature: checkout takes an extra argument, which specifies a
395 subdirectory of the project. Specifying a subdirectory results in a ``partial
396 sandbox'', whose root directory is the specified subdirectory of the larger
397 project. The rest of the project is ``invisible'' to that sandbox. A
398 subdirectory argument can also be given to mcvs grab, which will cause it to
399 integrate the new source tree against a subtree of the Meta-CVS project
400 rather than the entire project. The subtree doesn't have to exist; in
401 that case you get an empty sandbox. Adding files to this sandbox will cause
402 the tree to exist in the project.
404 Bugfix: mcvs grab was not computing moves properly over small file sets,
405 wrongly treating them as removes and adds.
407 Release 0.17, 2002-07-02:
409 The create command no longer takes a vendor branch. Instead the symbol
410 ``Created-by-Meta-CVS'' is used as the vendor tag to satisfy CVS.
412 The grab command no longer does useless synchronization on files that
413 are about to be deleted.
415 New purge command; does ``cvs rm'' on deleted files, that is to say, F- files
416 that have no mapping.
418 New restore command; re-enters deleted files into the mapping, under
419 the ``lost+found'' directory, using their F- names as sandbox names.
421 Bugfix: when a checkout bails because it is requested over top of an existing
422 working copy, it must not delete that working copy's MCVS sub directory.
424 Release 0.16, 2002-06-29:
426 Added new heuristics to grab command. Paths are analyzed to determine
427 move distance. Greater distances reduce the confidence in a move.
428 These rules help sort out grabs in a project where similar or
429 duplicate files are subject to parallel moves, the ambiguity being
430 resolved by favoring shorter moves. Word comparisons are case-insensitive
431 now. Common words (those that appear in many files) are ignored when
432 comparing files.
434 New options, --meta and --metaonly. This area of Meta-CVS is cleaned
435 up a little bit. Most reporting commands like log or diff no longer
436 operate on meta files by default; they must be explicitly told to do
437 so with --meta or --metaonly. Only the commit command implicitly includes
438 metafiles by default, and so if this is not wanted, --nometa must be
439 selected. The update command remains special; if it is given file
440 arguments, it does not include meta files. If given no arguments, it
441 does a global CVS up across the entire project.
443 Release 0.15, 2002-06-25:
445 Optimized a string splitting routine which is used heavily for processing
446 paths; the result is a noticeable performance improvement in some commands
447 that process large numbers of files.
449 Renamed ``import'' command to ``create''.
451 Bugfix: checkout and create showed errors when removing directory, due to
452 broken :postorder support in directory walking function.
454 Bugfix: on failure, checkout was failing to delete the MCVS directory when
455 the checkout was directed to an existing directory.
457 New feature: ``mcvs grab'' command imports third-party snapshots to a
458 branch. This is invoked in the root directory of the source tree to import.
459 It determines what files have been added and removed in the snapshot, and
460 tries to compute which removes and adds are actually moves. This is done by
461 analyzing the actual contents of the files according to a crude algorithm to
462 do fuzzy comparisons, so that even files which were modified as well as moved
463 are discovered.
465 Release 0.14, 2002-06-21:
467 Bugfix: mcvs add was broken for files that have no suffix, causing
468 the underlying cvs add to fail. This was broken in 0.7 when type
469 handling was added.
471 Release 0.13, 2002-06-06:
473 Sandbox synchronization now handles the case of two files having
474 the same timestamp. An error is signaled, with interactive resolution
475 to synchronize either way, or do nothing.
477 If a file must be deleted on update, and this cannot be done, it
478 is now a continuable error.
480 Bugfix: pass -I ! to cvs import so that it won't ignore some F- files
481 whose suffix is one of the ones cvs ignores by default.
483 New command: mcvs remap. The user can move or delete files directly without
484 going through Meta-CVS. When mcvs remap is invoked, it will hunt down the
485 moves and deletions, and reconstruct the mapping accordingly; that is,
486 it remaps the new structure. This command uses inode numbers to identify
487 files; if a file is copied and then the original is deleted, that won't
488 be recognized as a move.
490 Release 0.12, 2002-04-18:
492 Bugfix: remove was broken in 0.10, fixed now.
494 Bugfix: status, diff, etc. work in empty project rather than complaining
495 ``. not known to Meta-CVS''.
497 The checkout operation now can now populate an existing directory, including
498 the current working directory (mcvs co -d . modulename). Of course, the
499 target directory cannot be an existing Meta-CVS sandbox.
500 This is a useful feature, which allows sandboxes to blend with an
501 existing directory structure.
503 Checkout now uses the same function for generating the sandbox
504 structure as does update. This is now necessary, because local files
505 can be clobbered by the checkout.
507 Release 0.11, 2002-04-12:
509 Bugfix: when branch invokes rtag, it now takes the CVSROOT information
510 from CVS/Root and passes it via -d. This is necessary because rtag does not
511 look at a local CVS subdirectory for this information, only the
512 -d option or the environment variable.
514 Command for listing branches added (list-branches or lb). Also shows
515 what sticky tag the sandbox is updated to.
517 Command for switching branches added (switch or sw).
519 Merge detects that working copy is on non-branch tag and bails.
521 Absolute paths can now be specified as file arguments. These are
522 based from the root directory of the sandbox, not the actual filesystem root
523 directory.
525 Release 0.10, 2002-04-03:
527 Automatic merging implemented. Branch is created using branch command,
528 and merging from another branch is done using simple merge command.
529 Meta-CVS maintains the tags to keep track of what has been merged
530 from what branch to what branch.
532 Bugfix: checkout -d foo bar was complaining about directory bar already
533 existing, even though it should only care about foo.
535 The remove command now requires explicit -R option to recursively remove
536 a directory. It has more detailed error reporting.
538 The move command has better error reporting.
540 Release 0.9, 2002-03-14:
542 Bugfix: the .cvsignore file is now subject to tagging, status, etc,
543 (unless --nometa is specified, of course).
545 The mcvs filt command takes -r <revision> or -D <date> parameters.
546 This means to retrieve the MAP file as of the specified revision or
547 date and use that mapping to perform the filtering translation,
548 rather than using MAP-LOCAL.
550 The mcvs update command takes filename arguments now and also
551 supports the -p option.
553 Release 0.8, 2002-03-13:
555 Bug fixed in mcvs add; it was not ignoring files that are already
556 listed as :ignore in MCVS/TYPES.
558 Bug fixed in mcvs move: a target with a trailing slash is now treated
559 as a directory (if it does not already exist and is a non-directory).
561 The -d option of mcvs checkout can now be used to override the checkout
562 directory, which is normally the same as the module name.
564 The global options --version, --help, -q, -Q and -e are now supported.
566 New global options --error-continue and --error-terminate to disable
567 interactive error handling in two different ways.
569 Log level of many messages has changed; many messages have been
570 relegated to debug level.
572 The import command now creates a .cvsignore file containing the name
575 Release 0.7, 2002-03-09:
577 The import command collects a list of the file suffixes and brings up
578 a text editor to allow the user to edit their CVS keyword expansion
579 behavior. This information is kept in a new metafile called TYPES. The
580 add command also updates TYPES; it identifies any suffixes which are new,
581 and brings up an editor. The F- files now carry suffixes, which
582 simplifies interfacing with CVS, and also allows cvswrappers to work.
584 Recursive add works (mcvs add -R ...).
586 New command line option --nometa allows metafiles to be excluded from
587 diff, tag, and other commands; without the option they are inserted
588 into the list of files to be processed.
590 The commit option now takes an optional list of files or directories,
591 just like tag, diff, and others.
593 Release 0.6, 2002-02-16:
595 The add operation was horribly broken in 0.5, it is fixed.
597 User can interactively select whether to clobber local files or leave
598 everything alone. Effects on the mapping file of a mcvs move are undone,
599 if the restructuring is rolled back, or raises a condition that leads
600 to termination.
602 Meta-CVS now keeps a new meta-file called MCVS/TYPES. This is created
603 during import, and specifies the CVS keyword expansion mode for files
604 having given suffixes, and can also tell Meta-CVS to ignore certain files
605 when importing or adding.
607 Release 0.5, 2002-02-10:
609 Much improved error handling. Filesystem rearranging code performs
610 sanity checks to prevent adds and moves from accidentally clobbering
611 local files. A rearranging gone bad can be rolled back. Effects
612 of a failed mcvs add can also be rolled back.
614 MAP-LOCAL is now sorted in the same way as MAP.
616 Release 0.4, 2002-02-04:
618 CVS is invoked using internal function resembling the xargs utility,
619 which ensures that multiple command lines are generated if necessary to
620 avoid surpassing the operating system limit on argument and environment
621 vector size. This is important when someone wants to diff or stat a
622 subdirectory, which requires Meta-CVS to pick out the individual files
623 at the CVS level.
625 The tag, log, status and annotate commands are now available.
627 The MAP file is sorted on F- file names now, not path names. This
628 improves merging, since files do not move within the file when
629 they are renamed.
631 Release 0.3, 2002-02-02:
633 Process termination done is properly in top level handler, by a nonlocal
634 exit. The program properly indicates failed termination when it exits
635 due to an error condition.
637 Corrections are made in the command line option processing. If z is an
638 option that takes an argument, and the argument is -zx, then x is
639 treated as the argument to the option. Long options arguments are
640 recognized properly, according to the --opt=arg convention. The option
641 processing is restructured. Most of the commands now take the
642 appropriate cvs command-specific options.
644 The update algorithm performs dupe checking over the map, which could
645 happen during a merge.
647 Some more bugfixing has been done to the move command. It was still not
648 handling right some cases of an unversioned file being clobbered. Also,
649 it wasn't renaming a directory containing just one file.
651 I did some performance investigation for larger file sets, and
652 ended up rewriting the code that computes filesystem restructuring
653 changes and map duplicates.
655 Release 0.2, 2002-01-30:
657 Changed official name from MCVS to Meta-CVS. The move command now
658 performs some filesystem tests so it does the right thing when a versioned
659 file is moved over a non-versioned file, or when a file is moved into
660 a directory not known to Meta-CVS. Factored out reading and writing of
661 map files into functions.
663 Release 0.1, 2002-01-28:
665 Support for mcvs diff -u added. The -R option works for mcvs add command.
666 Bug fixed in mcvs mv command; it wasn't working analogously to the Unix
667 mv command when copying a directory to an existing directory.
669 Release 0.0, 2002-01-27:
671 This is alpha software. It is not complete, and lacks documentation.
672 However, it is already usable in its present state and is being used for
673 version control by its author. If you can program in Common Lisp and would
674 like to help, take a look through the TODO file. Send me patches, ideas,
675 feature requests.

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