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Revision 1.165 - (hide annotations)
Thu Feb 27 05:15:11 2003 UTC (11 years, 1 month ago) by kaz
Branch: MAIN
Changes since 1.164: +1 -1 lines
Merging from mcvs-1-0-branch.
1 kaz 1.162 Release for Meta-CVS
2 kaz 1.1
3 kaz 1.142 Release ?.??, 200?-??-??:
5 kaz 1.162 All Lisp symbols are in a package.
6 kaz 1.142
7 kaz 1.165 Release 1.0.5, 2003-02-25:
8 kaz 1.163
9     Bugfix: some one-argument command line options of CVS must be
10     specifies as a single parameter, with no separation between the
11     option letter and the argument characters. For example:
13     cvs log -r rev-1::rev-2 # invalid
14     cvs log -rrev1::rev2 # correct
16     Meta-CVS accepts either syntax, but it was generating the first form
17     when calling CVS. Now, *all* one-letter options that have an argument
18     are formatted in the second manner.
20 kaz 1.164 Bugfix: one more waitpid() issue was fixed; on fast machines, under
21     Linux, it was observed that from time to time Meta-CVS would get
22     a -1/ECHILD when waiting for the CVS process.
24 kaz 1.162 Release 1.0.4, 2003-02-20:
26     Fix remaining occurences of the CVS ``No child processes'' abort
27     problem, affecting the list-branches command, merge command
28     and the -r option of the filt command.
30     Release 1.0.3, 2003-02-12:
32     ! THIS RELEASE IS WITHDRAWN. It was accidentally created from the
33     ! experimental main trunk of the Meta-CVS codebase, rather than
34     ! the 1.0 branch. But 1.0.4 does contain all of the changes
35     ! described here.
36 kaz 1.160
37     Fix for the CVS ``No child processes'' abort problem. It turns out
38     that CLISP sets the signal handling action for the SIGCHLD signal
39     to SIG_IGN, which is inherited by child processes across the
40     fork() and execvp() calls used in our mcvs_spawn() function.
41     We correct the problem by resetting the signal handler to SIG_DFL
42     just before executing the new process image.
43 kaz 1.161
44     New feature, --up option. The argument is a nonnegative integer value
45     (default is zero) which specifies how many sandbox nesting levels to
46     escape out of when locating the sandbox root. This helps work with
47     nested Meta-CVS sandboxes.
48 kaz 1.160
49 kaz 1.162 Release 1.0.2, 2003-02-10:
50 kaz 1.157
51     Bugfix in waitpid logic in the C library for running external processes;
52     we were not dealing with an interrupted waitpid.
54 kaz 1.158 Behavior of mcvs tag is changed: when there are no filename arguments,
55     the whole tree is tagged including the metafiles. In other words, it
56     now works like the commit command.
58 kaz 1.157 Release 1.0.1, 2003-01-30:
59 kaz 1.154
60     Hard link sync optimization: update of a subset of files, commit, and
61     other operations like log and diff don't need to synchronize all
62     hard links, just the ones operated on.
64 kaz 1.155 The merge and remerge commands support -k option for overriding
65     CVS keyword expansion mode.
67 kaz 1.156 Fixes to getcwd error handling.
68 kaz 1.157
69     Improvement in install.sh script's logic for locating CLISP installation
70     directory.
71 kaz 1.156
72 kaz 1.153 Release 1.0, 2003-01-01:
73 kaz 1.147
74 kaz 1.151 NOTE: It's not possible to upgrade to this release via mcvs-upgrade,
75     because it adds some new C functions to the Lisp executable.
77 kaz 1.147 Security fix: read-time evaluation was not suppressed when reading
78     structured data, like MCVS/MAP and MCVS/TYPES. This means that it
79     was possible for Alice to check in something that would execute
80     arbitrary code on Bob's computer.
82 kaz 1.148 Optimization: use fork and exec to launch CVS rather than CLISP's
83     run-program function, which indirects through the shell interpreter.
84 kaz 1.153 (On Cygwin, the spawnvp function is used).
85 kaz 1.148
86 kaz 1.149 Performance fix: stat() was being called superfluously by the
87     hard synchronization code, twice for each file.
89 kaz 1.150 Build fix: install.sh works when CLISP executable is called ``lisp.exe'',
90     which is the case under Cygwin with newer CLISP releases.
92 kaz 1.146 Release 0.99, 2002-11-17:
93 kaz 1.135
94 kaz 1.140 New link command for creating symbolic links.
96 kaz 1.144 Global option -n (dry run---don't modify filesystem) is processed
97     internally now, not just passed to CVS.
99 kaz 1.135 Failure to invoke text editor is handled.
101 kaz 1.136 The -r option of filt is fixed; it has been broken since the change to the
102     new MAP format, because it was reading the raw map representation, not
103     passing it through the right conversion steps that are needed now.
105 kaz 1.138 Bugfix to purge and remap commands: they were fooled by CVS-generated
106     files in the MCVS/CVS directory. Specifically, files having F- names, and a
107     the suffix ,t.
109 kaz 1.141 Bugfix to add logic in directory restructuring: there was the possibility
110     of mistakingly taking a clobbered local file to be a new local version of
111     the added file, instead of replacing it. This could happen if the local
112     file had a future timestamp relative to the one coming from the repository.
114 kaz 1.143 The prop command does not synchronize or write out map if no options are
115     specified.
117 kaz 1.144 Help text added for move and branch commands. Help text for grab rewritten.
118 kaz 1.137
119 kaz 1.145 The CVSEDITOR and VISUAL environment variables are now checked, not
120     only EDITOR.
122 kaz 1.134 Release 0.98, 2002-10-13:
123 kaz 1.128
124 kaz 1.133 The prop command was mistakenly reading from MAP-LOCAL and writing to MAP,
125     which could cause information loss if the two differ. It now reads from MAP
126     and writes to MAP. (The property changes propagate to MAP-LOCAL by the
127     update operation invoked by prop, as before).
129     Invocation of external programs included in debug trace.
130 kaz 1.128
131     The filt command does not filter F- names if they are immediately preceded by
132     the MCVS/ prefix; such occurences are clearly concrete, sandbox-relative
133     references to the actual F- links, rather than abstract references.
135 kaz 1.129 The update command now supports the -C option, to fetch the repository
136     copy, throwing away local changes. It also now honors the --metaonly
137     and --nometa options.
138 kaz 1.130
139     The export command has been added, for checking out documents without creating
140     a working copy (no MCVS directory in the root of the checkout).
141 kaz 1.131
142 kaz 1.133 The watch command has been added. Note that its syntax differs from that
143     of CVS.
144 kaz 1.132
145     The watchers, editors, edit, and unedit commands have been added.
146 kaz 1.134
147     A script called mcvs-upgrade is now included, and installs alongside the mcvs
148     script. This allows the Meta-CVS Lisp image to recompile and patch itself,
149     giving users of binary distributions an easy way to upgrade from source
150     code.
152 kaz 1.127 Release 0.97, 2002-10-06:
153 kaz 1.119
154     Meta-CVS now builds and runs on Microsoft Windows, under Cygwin
155     (www.cygwin.com). It still relies on hard links, which requires
156     Windows 2000 or XP, and the NTFS filesystem. It probably won't
157     work over FAT.
158 kaz 1.120
159     New --debug option for verbose output.
161     Cleaned up of error messages. Error messages don't specify prefixes like
162     ``mcvs-add:'' or ``mcvs-grab:'' any more. Rather, the error handler adds the
163     ``mcvs:'' prefix when printing the messages in a situation when the error is
164     not continuable.
165 kaz 1.119
166 kaz 1.121 Fixed bug introduced in release 0.13: mcvs add -R was adding only
167     directories, effectively ignoring arguments that are regular files.
168 kaz 1.122 The error-continuation behavior of mcvs add has been revised.
169 kaz 1.121
170 kaz 1.125 Trying to rename an object onto itself, or to move the sandbox root
171     directory are no longer silent no-ops, but produce an error.
172 kaz 1.123
173 kaz 1.124 The remap command now preserves property lists, and picks up changes
174     in executable permission.
176     The grab command now notices when a file changes from having execute
177     permission to not having execute permission.
179 kaz 1.126 Operations on the path . now work in a partial sandbox.
181 kaz 1.118 Release 0.96, 2002-09-21:
182 kaz 1.110
183     The restore command was left broken during the change to the new
184     filemap format. It is now fixed.
186 kaz 1.111 The grab command now handles execute permission bits properly.
188 kaz 1.112 Some more commands have detailed help.
190 kaz 1.113 There is now a global option -i which specifies a script to be
191 kaz 1.114 executed. This allows Meta-CVS to be scripted using Lisp. For
192     instance suppose you have the following script and call it
193     list-matching:
194 kaz 1.113
195     #!/usr/local/bin/mcvs -i
196     (in-sandbox-root-dir
197 kaz 1.114 (let ((mapping (mapping-read *mcvs-map*))
198 kaz 1.117 (test-func (eval (read-from-string (pop *args*)))))
199 kaz 1.114 (dolist (entry mapping)
200     (with-slots (path raw-plist) entry
201 kaz 1.117 (when (funcall test-func raw-plist)
202 kaz 1.114 (format t "~a~%" path))))))
204     Then to list the names of files whose "importance" property is
205     a value greater than two, run:
207     ./list-matching '(lambda (plist)
208     (let ((imp (getf plist :importance)))
209     (and imp (> imp 2))))'
210 kaz 1.117
211     WARNING: Scripting accesses the guts of Meta-CVS directly, so scripts may
212     break as Meta-CVS is maintained. There is currently no published set of
213     stable interfaces.
214 kaz 1.113
215 kaz 1.109 Release 0.95, 2002-09-16:
216 kaz 1.104
217 kaz 1.107 The install.sh script no longer uses a borrowed copy of the clisp-link script
218     or the linkkit directory; these have been removed. These materials
219     are available at every CLISP installation; install.sh now finds them
220     and uses them. Users of non-x86 machines ran into problems because of this
221     because linkkit/clisp.h contains architecture-dependent information.
222 kaz 1.104
223 kaz 1.105 A bug in mcvs filt was fixed; it wasn't handling F- names that aren't found
224     in the map.
226 kaz 1.108 A more detailed help system now exists, though it's not complete. The ``mcvs
227     help'' command acts just like ``mcvs --help'' without any arguments. If given
228     an additional parameter which specifies a Meta-CVS command, it produces more
229     detailed documentation for that comand. Help exists already for a few
230     commands.
232 kaz 1.107 The release number is being warped to 0.95, which means that Meta-CVS is now
233     in beta. It is only five updates away from a 1.0 release.
234 kaz 1.106
235 kaz 1.103 Release 0.24, 2002-09-08:
236 kaz 1.98
237 kaz 1.99 The mapping entries for both symlinks and files have extensible property
238     lists now. These are stored in the optional fourth and fifth list elements,
239     respectively of the :FILE and :SYMLINK map entries.
241     Versioning of the execute permission of files is supported, represented as
242     the :EXEC property of a :FILE mapping entry.
243 kaz 1.98
244 kaz 1.100 Some lame syntax is provided for manipulating properties:
246 kaz 1.102 mcvs prop --set foo --clear bar --remove baz main.c list.c
247 kaz 1.100
248     will set the property FOO to true, set the property BAR to false,
249     and remove the property BAZ, in the files main.c and list.c.
250     The execute permission is represented by the property EXEC.
252 kaz 1.97 Release 0.23, 2002-09-02:
253 kaz 1.95
254 kaz 1.96 Bugfix: the grab command notices edited symlinks and incorporates the
255     changes into the mapping.
257     The grab command now figures out moved symlinks. Moved symlinks are those
258     whose pathname has changed, but which continue to point to the same object
259     (which may also have been moved).
260 kaz 1.95
261 kaz 1.94 Release 0.22, 2002-08-31:
262 kaz 1.93
263     Symbolic links are now versioned objects. The format of the MAP file
264     changes to accomodate this; the new Meta-CVS will read old MAP
265     files; when it writes it will write the new format. Old Meta-CVS won't
266     read the new format.
268     When a new module is created from an existing file tree, symbolic
269     links will be recognized and added. The add command will also add
270     symbolic links. Symbolic links can be renamed and moved; this does
271     nothing with their contents. They can point outside of the sandbox
272     using relative or absolute paths.
274 kaz 1.94 TODO:
276 kaz 1.93 There doesn't exist yet a special command to create symbolic links, nor to
277     retarget them; retargetting a link can be done manually by editing MCVS/MAP
278     and updating. Retargetting a link using the ln -s command, won't
279 kaz 1.94 backpropagate to the MAP file; an update will clobber the link.
281     The grab command does not yet compute symbolic link moves; a moved symbolic
282     link is treated as a remove and add. This will be easy to fix.
284     The remap command ignores symlinks.
285 kaz 1.93
286 kaz 1.92 Release 0.21, 2002-08-04:
287 kaz 1.88
288 kaz 1.89 Syntax of grab command changed. The branch is no longer specified as an
289     argument, but using the -r command option. If no revision is specified with
290     -r, then a -A must be specified to make the grab go to the main trunk. This
291     is a safety feature, since grabbing foreign snapshots to the trunk is almost
292     always wrong, though it could be useful during backup recovery, or for fixing
293     mistakes.
295 kaz 1.91 The way operating system functions are targetted has changed. Instead of
296     relying on the ``linuxlibc6'' module provided by CLISP, Meta-CVS now
297     has its own module for calling foreign functions. This module is portable;
298     it does not depend on the layout of glibc data structures. So Meta-CVS
299     is in theory now portable to other Unixes (provided they have /dev/urandom).
301 kaz 1.87 Release 0.20, 2002-07-27:
302 kaz 1.86
303     The commit command does a true global commit when given no file or directory
304     parameters, and not given the --metaonly option. This means commiting all
305     changes in the MCVS directory, even if they are in F-files that are not
306     currently mapped.
308 kaz 1.85 Release 0.19, 2002-07-16:
309 kaz 1.81
310     When moving multiple files or directories to a subdirectory, a
311     restart is now provided to skip over bad ones and continue.
313 kaz 1.83 Grab no longer scans files if there are only added files, or only removed
314     files. There are no moves to deduce in that case.
316 kaz 1.84 Restore properly creates lost+found at the root of a partial sandbox,
317     rather than at the abstract root of the module.
319 kaz 1.83 Some other algorithmic improvements made.
320 kaz 1.82
321     The first few sections of a user guide have been written.
323 kaz 1.80 Release 0.18, 2002-07-07:
324 kaz 1.77
325 kaz 1.78 Cool new feature: checkout takes an extra argument, which specifies a
326     subdirectory of the project. Specifying a subdirectory results in a ``partial
327     sandbox'', whose root directory is the specified subdirectory of the larger
328     project. The rest of the project is ``invisible'' to that sandbox. A
329     subdirectory argument can also be given to mcvs grab, which will cause it to
330     integrate the new source tree against a subtree of the Meta-CVS project
331 kaz 1.79 rather than the entire project. The subtree doesn't have to exist; in
332     that case you get an empty sandbox. Adding files to this sandbox will cause
333     the tree to exist in the project.
334 kaz 1.78
335 kaz 1.77 Bugfix: mcvs grab was not computing moves properly over small file sets,
336     wrongly treating them as removes and adds.
338 kaz 1.76 Release 0.17, 2002-07-02:
339 kaz 1.71
340     The create command no longer takes a vendor branch. Instead the symbol
341     ``Created-by-Meta-CVS'' is used as the vendor tag to satisfy CVS.
343 kaz 1.72 The grab command no longer does useless synchronization on files that
344     are about to be deleted.
346 kaz 1.75 New purge command; does ``cvs rm'' on deleted files, that is to say, F- files
347     that have no mapping.
349     New restore command; re-enters deleted files into the mapping, under
350     the ``lost+found'' directory, using their F- names as sandbox names.
351 kaz 1.73
352 kaz 1.74 Bugfix: when a checkout bails because it is requested over top of an existing
353     working copy, it must not delete that working copy's MCVS sub directory.
355 kaz 1.70 Release 0.16, 2002-06-29:
356 kaz 1.67
357     Added new heuristics to grab command. Paths are analyzed to determine
358     move distance. Greater distances reduce the confidence in a move.
359     These rules help sort out grabs in a project where similar or
360     duplicate files are subject to parallel moves, the ambiguity being
361 kaz 1.68 resolved by favoring shorter moves. Word comparisons are case-insensitive
362     now. Common words (those that appear in many files) are ignored when
363     comparing files.
364 kaz 1.67
365 kaz 1.69 New options, --meta and --metaonly. This area of Meta-CVS is cleaned
366     up a little bit. Most reporting commands like log or diff no longer
367     operate on meta files by default; they must be explicitly told to do
368     so with --meta or --metaonly. Only the commit command implicitly includes
369     metafiles by default, and so if this is not wanted, --nometa must be
370     selected. The update command remains special; if it is given file
371     arguments, it does not include meta files. If given no arguments, it
372     does a global CVS up across the entire project.
374 kaz 1.66 Release 0.15, 2002-06-25:
375 kaz 1.61
376 kaz 1.65 Optimized a string splitting routine which is used heavily for processing
377     paths; the result is a noticeable performance improvement in some commands
378     that process large numbers of files.
379 kaz 1.61
380 kaz 1.62 Renamed ``import'' command to ``create''.
382 kaz 1.65 Bugfix: checkout and create showed errors when removing directory, due to
383     broken :postorder support in directory walking function.
384 kaz 1.63
385 kaz 1.65 Bugfix: on failure, checkout was failing to delete the MCVS directory when
386     the checkout was directed to an existing directory.
388 kaz 1.66 New feature: ``mcvs grab'' command imports third-party snapshots to a
389 kaz 1.65 branch. This is invoked in the root directory of the source tree to import.
390     It determines what files have been added and removed in the snapshot, and
391     tries to compute which removes and adds are actually moves. This is done by
392     analyzing the actual contents of the files according to a crude algorithm to
393     do fuzzy comparisons, so that even files which were modified as well as moved
394     are discovered.
395 kaz 1.64
396 kaz 1.60 Release 0.14, 2002-06-21:
397 kaz 1.59
398     Bugfix: mcvs add was broken for files that have no suffix, causing
399 kaz 1.60 the underlying cvs add to fail. This was broken in 0.7 when type
400     handling was added.
401 kaz 1.59
402 kaz 1.58 Release 0.13, 2002-06-06:
403 kaz 1.55
404     Sandbox synchronization now handles the case of two files having
405     the same timestamp. An error is signaled, with interactive resolution
406     to synchronize either way, or do nothing.
408 kaz 1.56 If a file must be deleted on update, and this cannot be done, it
409     is now a continuable error.
411     Bugfix: pass -I ! to cvs import so that it won't ignore some F- files
412     whose suffix is one of the ones cvs ignores by default.
414 kaz 1.57 New command: mcvs remap. The user can move or delete files directly without
415     going through Meta-CVS. When mcvs remap is invoked, it will hunt down the
416     moves and deletions, and reconstruct the mapping accordingly; that is,
417     it remaps the new structure. This command uses inode numbers to identify
418     files; if a file is copied and then the original is deleted, that won't
419     be recognized as a move.
421 kaz 1.53 Release 0.12, 2002-04-18:
422 kaz 1.51
423     Bugfix: remove was broken in 0.10, fixed now.
425 kaz 1.54 Bugfix: status, diff, etc. work in empty project rather than complaining
426     ``. not known to Meta-CVS''.
428 kaz 1.52 The checkout operation now can now populate an existing directory, including
429     the current working directory (mcvs co -d . modulename). Of course, the
430     target directory cannot be an existing Meta-CVS sandbox.
431     This is a useful feature, which allows sandboxes to blend with an
432     existing directory structure.
434     Checkout now uses the same function for generating the sandbox
435     structure as does update. This is now necessary, because local files
436     can be clobbered by the checkout.
438 kaz 1.50 Release 0.11, 2002-04-12:
439 kaz 1.46
440     Bugfix: when branch invokes rtag, it now takes the CVSROOT information
441     from CVS/Root and passes it via -d. This is necessary because rtag does not
442     look at a local CVS subdirectory for this information, only the
443     -d option or the environment variable.
445 kaz 1.48 Command for listing branches added (list-branches or lb). Also shows
446     what sticky tag the sandbox is updated to.
448     Command for switching branches added (switch or sw).
450     Merge detects that working copy is on non-branch tag and bails.
451 kaz 1.47
452 kaz 1.49 Absolute paths can now be specified as file arguments. These are
453     based from the root directory of the sandbox, not the actual filesystem root
454     directory.
456 kaz 1.45 Release 0.10, 2002-04-03:
457 kaz 1.44
458     Automatic merging implemented. Branch is created using branch command,
459     and merging from another branch is done using simple merge command.
460     Meta-CVS maintains the tags to keep track of what has been merged
461     from what branch to what branch.
462 kaz 1.40
463     Bugfix: checkout -d foo bar was complaining about directory bar already
464     existing, even though it should only care about foo.
466 kaz 1.41 The remove command now requires explicit -R option to recursively remove
467 kaz 1.42 a directory. It has more detailed error reporting.
468 kaz 1.41
469 kaz 1.43 The move command has better error reporting.
471 kaz 1.39 Release 0.9, 2002-03-14:
472 kaz 1.37
473     Bugfix: the .cvsignore file is now subject to tagging, status, etc,
474     (unless --nometa is specified, of course).
475 kaz 1.38
476     The mcvs filt command takes -r <revision> or -D <date> parameters.
477     This means to retrieve the MAP file as of the specified revision or
478     date and use that mapping to perform the filtering translation,
479     rather than using MAP-LOCAL.
480 kaz 1.39
481     The mcvs update command takes filename arguments now and also
482     supports the -p option.
483 kaz 1.37
484 kaz 1.36 Release 0.8, 2002-03-13:
485 kaz 1.28
486 kaz 1.29 Bug fixed in mcvs add; it was not ignoring files that are already
487     listed as :ignore in MCVS/TYPES.
489 kaz 1.34 Bug fixed in mcvs move: a target with a trailing slash is now treated
490     as a directory (if it does not already exist and is a non-directory).
492 kaz 1.30 The -d option of mcvs checkout can now be used to override the checkout
493     directory, which is normally the same as the module name.
495 kaz 1.31 The global options --version, --help, -q, -Q and -e are now supported.
497 kaz 1.33 New global options --error-continue and --error-terminate to disable
498     interactive error handling in two different ways.
500 kaz 1.32 Log level of many messages has changed; many messages have been
501     relegated to debug level.
503 kaz 1.35 The import command now creates a .cvsignore file containing the name
504     MAP-LOCAL.
506 kaz 1.24 Release 0.7, 2002-03-09:
508 kaz 1.27 The import command collects a list of the file suffixes and brings up
509     a text editor to allow the user to edit their CVS keyword expansion
510     behavior. This information is kept in a new metafile called TYPES. The
511     add command also updates TYPES; it identifies any suffixes which are new,
512     and brings up an editor. The F- files now carry suffixes, which
513     simplifies interfacing with CVS, and also allows cvswrappers to work.
515     Recursive add works (mcvs add -R ...).
517     New command line option --nometa allows metafiles to be excluded from
518     diff, tag, and other commands; without the option they are inserted
519     into the list of files to be processed.
520 kaz 1.25
521 kaz 1.27 The commit option now takes an optional list of files or directories,
522     just like tag, diff, and others.
523 kaz 1.26
524 kaz 1.23 Release 0.6, 2002-02-16:
525 kaz 1.19
526 kaz 1.27 The add operation was horribly broken in 0.5, it is fixed.
527 kaz 1.21
528 kaz 1.27 User can interactively select whether to clobber local files or leave
529     everything alone. Effects on the mapping file of a mcvs move are undone,
530     if the restructuring is rolled back, or raises a condition that leads
531     to termination.
533     Meta-CVS now keeps a new meta-file called MCVS/TYPES. This is created
534     during import, and specifies the CVS keyword expansion mode for files
535     having given suffixes, and can also tell Meta-CVS to ignore certain files
536     when importing or adding.
537 kaz 1.22
538 kaz 1.18 Release 0.5, 2002-02-10:
539 kaz 1.14
540 kaz 1.27 Much improved error handling. Filesystem rearranging code performs
541     sanity checks to prevent adds and moves from accidentally clobbering
542     local files. A rearranging gone bad can be rolled back. Effects
543     of a failed mcvs add can also be rolled back.
544 kaz 1.14
545 kaz 1.27 MAP-LOCAL is now sorted in the same way as MAP.
546 kaz 1.15
547 kaz 1.13 Release 0.4, 2002-02-04:
548 kaz 1.10
549 kaz 1.27 CVS is invoked using internal function resembling the xargs utility,
550     which ensures that multiple command lines are generated if necessary to
551     avoid surpassing the operating system limit on argument and environment
552     vector size. This is important when someone wants to diff or stat a
553     subdirectory, which requires Meta-CVS to pick out the individual files
554     at the CVS level.
556     The tag, log, status and annotate commands are now available.
558     The MAP file is sorted on F- file names now, not path names. This
559     improves merging, since files do not move within the file when
560     they are renamed.
561 kaz 1.12
562 kaz 1.5 Release 0.3, 2002-02-02:
564 kaz 1.27 Process termination done is properly in top level handler, by a nonlocal
565     exit. The program properly indicates failed termination when it exits
566     due to an error condition.
568     Corrections are made in the command line option processing. If z is an
569     option that takes an argument, and the argument is -zx, then x is
570     treated as the argument to the option. Long options arguments are
571     recognized properly, according to the --opt=arg convention. The option
572     processing is restructured. Most of the commands now take the
573     appropriate cvs command-specific options.
575     The update algorithm performs dupe checking over the map, which could
576     happen during a merge.
578     Some more bugfixing has been done to the move command. It was still not
579     handling right some cases of an unversioned file being clobbered. Also,
580     it wasn't renaming a directory containing just one file.
582     I did some performance investigation for larger file sets, and
583     ended up rewriting the code that computes filesystem restructuring
584     changes and map duplicates.
585 kaz 1.5
586 kaz 1.4 Release 0.2, 2002-01-30:
588 kaz 1.27 Changed official name from MCVS to Meta-CVS. The move command now
589     performs some filesystem tests so it does the right thing when a versioned
590     file is moved over a non-versioned file, or when a file is moved into
591     a directory not known to Meta-CVS. Factored out reading and writing of
592     map files into functions.
593 kaz 1.4
594 kaz 1.2 Release 0.1, 2002-01-28:
596 kaz 1.27 Support for mcvs diff -u added. The -R option works for mcvs add command.
597     Bug fixed in mcvs mv command; it wasn't working analogously to the Unix
598     mv command when copying a directory to an existing directory.
599 kaz 1.2
600     Release 0.0, 2002-01-27:
601 kaz 1.1
602 kaz 1.27 This is alpha software. It is not complete, and lacks documentation.
603     However, it is already usable in its present state and is being used for
604     version control by its author. If you can program in Common Lisp and would
605     like to help, take a look through the TODO file. Send me patches, ideas,
606     feature requests.

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