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Revision 1.127.2.44 - (hide annotations)
Thu Feb 27 05:59:39 2003 UTC (11 years, 1 month ago) by kaz
Branch: mcvs-1-0-branch
Changes since 1.127.2.43: +7 -0 lines
* code/create.lisp (mcvs-create): After the TYPES file is
edited, scan the MCVS directory for unexpected files.
The intent is to detect text editor backups. If any are
found, some interactive error handling lets the user acknowledge
their deletion. If they are not deleted, then cvs import will
bring them into the repository. This behavior was discovered
by Johannes Grødem who suggested that it could be handled.
1 kaz 1.115 Release Notes for Meta-CVS
2 kaz 1.1
3 kaz 1.127.2.44 Release 1.0.6, 2003-0?-??:
4    
5     The create command detects the existence of text editor backup files (or
6     other junk) in the MCVS directory after the editor is invoked on the
7     TYPES file. The user is prompted regarding their removal. If these files are
8     not removed, cvs import will bring them into the repository.
9    
10 kaz 1.127.2.43 Release 1.0.5, 2003-02-25:
11 kaz 1.127.2.41
12     Bugfix: some one-argument command line options of CVS must be
13     specifies as a single parameter, with no separation between the
14     option letter and the argument characters. For example:
15    
16     cvs log -r rev-1::rev-2 # invalid
17     cvs log -rrev1::rev2 # correct
18    
19     Meta-CVS accepts either syntax, but it was generating the first form
20     when calling CVS. Now, *all* one-letter options that have an argument
21     are formatted in the second manner.
22    
23 kaz 1.127.2.42 Bugfix: one more waitpid() issue was fixed; on fast machines, under
24     Linux, it was observed that from time to time Meta-CVS would get
25     a -1/ECHILD when waiting for the CVS process.
26    
27 kaz 1.127.2.40 Release 1.0.4, 2003-02-20:
28    
29     Fix remaining occurences of the CVS ``No child processes'' abort
30     problem, affecting the list-branches command, merge command
31     and the -r option of the filt command.
32    
33     Release 1.0.3, 2003-02-12:
34    
35     ! THIS RELEASE IS WITHDRAWN. It was accidentally created from the
36     ! experimental main trunk of the Meta-CVS codebase, rather than
37     ! the 1.0 branch. But 1.0.4 does contain all of the changes
38     ! described here.
39 kaz 1.127.2.37
40     Fix for the CVS ``No child processes'' abort problem. It turns out
41     that CLISP sets the signal handling action for the SIGCHLD signal
42     to SIG_IGN, which is inherited by child processes across the
43     fork() and execvp() calls used in our mcvs_spawn() function.
44     We correct the problem by resetting the signal handler to SIG_DFL
45     just before executing the new process image.
46    
47 kaz 1.127.2.39 New feature, --up option. The argument is a nonnegative integer value
48     (default is zero) which specifies how many sandbox nesting levels to
49     escape out of when locating the sandbox root. This helps work with
50     nested Meta-CVS sandboxes.
51    
52 kaz 1.127.2.40 Release 1.0.2, 2003-02-10:
53 kaz 1.127.2.34
54     Bugfix in waitpid logic in the C library for running external processes;
55     we were not dealing with an interrupted waitpid.
56    
57 kaz 1.127.2.35 Behavior of mcvs tag is changed: when there are no filename arguments,
58     the whole tree is tagged including the metafiles. In other words, it
59     now works like the commit command.
60    
61 kaz 1.127.2.33 Release 1.0.1, 2003-01-30:
62 kaz 1.127.2.30
63     Hard link sync optimization: update of a subset of files, commit, and
64     other operations like log and diff don't need to synchronize all
65     hard links, just the ones operated on.
66    
67 kaz 1.127.2.31 The merge and remerge commands support -k option for overriding
68     CVS keyword expansion mode.
69    
70 kaz 1.127.2.32 Fixes to getcwd error handling.
71 kaz 1.127.2.33
72     Improvement in install.sh script's logic for locating CLISP installation
73     directory.
74 kaz 1.127.2.32
75 kaz 1.127.2.29 Release 1.0, 2003-01-01:
76 kaz 1.127.2.23
77 kaz 1.127.2.27 NOTE: It's not possible to upgrade to this release via mcvs-upgrade,
78     because it adds some new C functions to the Lisp executable.
79    
80 kaz 1.127.2.23 Security fix: read-time evaluation was not suppressed when reading
81     structured data, like MCVS/MAP and MCVS/TYPES. This means that it
82     was possible for Alice to check in something that would execute
83     arbitrary code on Bob's computer.
84    
85 kaz 1.127.2.24 Optimization: use fork and exec to launch CVS rather than CLISP's
86     run-program function, which indirects through the shell interpreter.
87 kaz 1.127.2.29 (On Cygwin, the spawnvp function is used).
88 kaz 1.127.2.24
89 kaz 1.127.2.25 Performance fix: stat() was being called superfluously by the
90     hard synchronization code, twice for each file.
91    
92 kaz 1.127.2.26 Build fix: install.sh works when CLISP executable is called ``lisp.exe'',
93     which is the case under Cygwin with newer CLISP releases.
94    
95 kaz 1.127.2.22 Release 0.99, 2002-11-17:
96 kaz 1.127.2.11
97 kaz 1.127.2.16 New link command for creating symbolic links.
98    
99 kaz 1.127.2.20 Global option -n (dry run---don't modify filesystem) is processed
100     internally now, not just passed to CVS.
101    
102 kaz 1.127.2.11 Failure to invoke text editor is handled.
103    
104 kaz 1.127.2.12 The -r option of filt is fixed; it has been broken since the change to the
105     new MAP format, because it was reading the raw map representation, not
106     passing it through the right conversion steps that are needed now.
107    
108 kaz 1.127.2.14 Bugfix to purge and remap commands: they were fooled by CVS-generated
109     files in the MCVS/CVS directory. Specifically, files having F- names, and a
110     the suffix ,t.
111    
112 kaz 1.127.2.17 Bugfix to add logic in directory restructuring: there was the possibility
113     of mistakingly taking a clobbered local file to be a new local version of
114     the added file, instead of replacing it. This could happen if the local
115     file had a future timestamp relative to the one coming from the repository.
116    
117 kaz 1.127.2.18 The prop command does not synchronize or write out map if no options are
118     specified.
119    
120 kaz 1.127.2.19 Help text added for move and branch commands. Help text for grab rewritten.
121 kaz 1.127.2.13
122 kaz 1.127.2.21 The CVSEDITOR and VISUAL environment variables are now checked, not
123     only EDITOR.
124    
125 kaz 1.127.2.10 Release 0.98, 2002-10-13:
126 kaz 1.127.2.1
127 kaz 1.127.2.8 The prop command was mistakenly reading from MAP-LOCAL and writing to MAP,
128     which could cause information loss if the two differ. It now reads from MAP
129     and writes to MAP. (The property changes propagate to MAP-LOCAL by the
130     update operation invoked by prop, as before).
131    
132 kaz 1.127.2.7 Invocation of external programs included in debug trace.
133 kaz 1.127.2.1
134 kaz 1.127.2.2 The filt command does not filter F- names if they are immediately preceded by
135     the MCVS/ prefix; such occurences are clearly concrete, sandbox-relative
136     references to the actual F- links, rather than abstract references.
137    
138 kaz 1.127.2.3 The update command now supports the -C option, to fetch the repository
139     copy, throwing away local changes. It also now honors the --metaonly
140     and --nometa options.
141 kaz 1.127.2.4
142     The export command has been added, for checking out documents without creating
143     a working copy (no MCVS directory in the root of the checkout).
144 kaz 1.127.2.5
145 kaz 1.127.2.7 The watch command has been added. Note that its syntax differs from that
146     of CVS.
147 kaz 1.127.2.6
148     The watchers, editors, edit, and unedit commands have been added.
149 kaz 1.127.2.9
150     A script called mcvs-upgrade is now included, and installs alongside the mcvs
151     script. This allows the Meta-CVS Lisp image to recompile and patch itself,
152     giving users of binary distributions an easy way to upgrade from source
153     code.
154    
155 kaz 1.127 Release 0.97, 2002-10-06:
156 kaz 1.119
157     Meta-CVS now builds and runs on Microsoft Windows, under Cygwin
158     (www.cygwin.com). It still relies on hard links, which requires
159     Windows 2000 or XP, and the NTFS filesystem. It probably won't
160     work over FAT.
161 kaz 1.120
162     New --debug option for verbose output.
163    
164     Cleaned up of error messages. Error messages don't specify prefixes like
165     ``mcvs-add:'' or ``mcvs-grab:'' any more. Rather, the error handler adds the
166     ``mcvs:'' prefix when printing the messages in a situation when the error is
167     not continuable.
168 kaz 1.119
169 kaz 1.121 Fixed bug introduced in release 0.13: mcvs add -R was adding only
170     directories, effectively ignoring arguments that are regular files.
171 kaz 1.122 The error-continuation behavior of mcvs add has been revised.
172 kaz 1.121
173 kaz 1.125 Trying to rename an object onto itself, or to move the sandbox root
174     directory are no longer silent no-ops, but produce an error.
175 kaz 1.123
176 kaz 1.124 The remap command now preserves property lists, and picks up changes
177     in executable permission.
178    
179     The grab command now notices when a file changes from having execute
180     permission to not having execute permission.
181    
182 kaz 1.126 Operations on the path . now work in a partial sandbox.
183    
184 kaz 1.118 Release 0.96, 2002-09-21:
185 kaz 1.110
186     The restore command was left broken during the change to the new
187     filemap format. It is now fixed.
188    
189 kaz 1.111 The grab command now handles execute permission bits properly.
190    
191 kaz 1.112 Some more commands have detailed help.
192    
193 kaz 1.113 There is now a global option -i which specifies a script to be
194 kaz 1.114 executed. This allows Meta-CVS to be scripted using Lisp. For
195     instance suppose you have the following script and call it
196     list-matching:
197 kaz 1.113
198     #!/usr/local/bin/mcvs -i
199     (in-sandbox-root-dir
200 kaz 1.114 (let ((mapping (mapping-read *mcvs-map*))
201 kaz 1.117 (test-func (eval (read-from-string (pop *args*)))))
202 kaz 1.114 (dolist (entry mapping)
203     (with-slots (path raw-plist) entry
204 kaz 1.117 (when (funcall test-func raw-plist)
205 kaz 1.114 (format t "~a~%" path))))))
206    
207     Then to list the names of files whose "importance" property is
208     a value greater than two, run:
209    
210     ./list-matching '(lambda (plist)
211     (let ((imp (getf plist :importance)))
212     (and imp (> imp 2))))'
213 kaz 1.117
214     WARNING: Scripting accesses the guts of Meta-CVS directly, so scripts may
215     break as Meta-CVS is maintained. There is currently no published set of
216     stable interfaces.
217 kaz 1.113
218 kaz 1.109 Release 0.95, 2002-09-16:
219 kaz 1.104
220 kaz 1.107 The install.sh script no longer uses a borrowed copy of the clisp-link script
221     or the linkkit directory; these have been removed. These materials
222     are available at every CLISP installation; install.sh now finds them
223     and uses them. Users of non-x86 machines ran into problems because of this
224     because linkkit/clisp.h contains architecture-dependent information.
225 kaz 1.104
226 kaz 1.105 A bug in mcvs filt was fixed; it wasn't handling F- names that aren't found
227     in the map.
228    
229 kaz 1.108 A more detailed help system now exists, though it's not complete. The ``mcvs
230     help'' command acts just like ``mcvs --help'' without any arguments. If given
231     an additional parameter which specifies a Meta-CVS command, it produces more
232     detailed documentation for that comand. Help exists already for a few
233     commands.
234    
235 kaz 1.107 The release number is being warped to 0.95, which means that Meta-CVS is now
236     in beta. It is only five updates away from a 1.0 release.
237 kaz 1.106
238 kaz 1.103 Release 0.24, 2002-09-08:
239 kaz 1.98
240 kaz 1.99 The mapping entries for both symlinks and files have extensible property
241     lists now. These are stored in the optional fourth and fifth list elements,
242     respectively of the :FILE and :SYMLINK map entries.
243    
244     Versioning of the execute permission of files is supported, represented as
245     the :EXEC property of a :FILE mapping entry.
246 kaz 1.98
247 kaz 1.100 Some lame syntax is provided for manipulating properties:
248    
249 kaz 1.102 mcvs prop --set foo --clear bar --remove baz main.c list.c
250 kaz 1.100
251     will set the property FOO to true, set the property BAR to false,
252     and remove the property BAZ, in the files main.c and list.c.
253     The execute permission is represented by the property EXEC.
254    
255 kaz 1.97 Release 0.23, 2002-09-02:
256 kaz 1.95
257 kaz 1.96 Bugfix: the grab command notices edited symlinks and incorporates the
258     changes into the mapping.
259    
260     The grab command now figures out moved symlinks. Moved symlinks are those
261     whose pathname has changed, but which continue to point to the same object
262     (which may also have been moved).
263 kaz 1.95
264 kaz 1.94 Release 0.22, 2002-08-31:
265 kaz 1.93
266     Symbolic links are now versioned objects. The format of the MAP file
267     changes to accomodate this; the new Meta-CVS will read old MAP
268     files; when it writes it will write the new format. Old Meta-CVS won't
269     read the new format.
270    
271     When a new module is created from an existing file tree, symbolic
272     links will be recognized and added. The add command will also add
273     symbolic links. Symbolic links can be renamed and moved; this does
274     nothing with their contents. They can point outside of the sandbox
275     using relative or absolute paths.
276    
277 kaz 1.94 TODO:
278    
279 kaz 1.93 There doesn't exist yet a special command to create symbolic links, nor to
280     retarget them; retargetting a link can be done manually by editing MCVS/MAP
281     and updating. Retargetting a link using the ln -s command, won't
282 kaz 1.94 backpropagate to the MAP file; an update will clobber the link.
283    
284     The grab command does not yet compute symbolic link moves; a moved symbolic
285     link is treated as a remove and add. This will be easy to fix.
286    
287     The remap command ignores symlinks.
288 kaz 1.93
289 kaz 1.92 Release 0.21, 2002-08-04:
290 kaz 1.88
291 kaz 1.89 Syntax of grab command changed. The branch is no longer specified as an
292     argument, but using the -r command option. If no revision is specified with
293     -r, then a -A must be specified to make the grab go to the main trunk. This
294     is a safety feature, since grabbing foreign snapshots to the trunk is almost
295     always wrong, though it could be useful during backup recovery, or for fixing
296     mistakes.
297    
298 kaz 1.91 The way operating system functions are targetted has changed. Instead of
299     relying on the ``linuxlibc6'' module provided by CLISP, Meta-CVS now
300     has its own module for calling foreign functions. This module is portable;
301     it does not depend on the layout of glibc data structures. So Meta-CVS
302     is in theory now portable to other Unixes (provided they have /dev/urandom).
303    
304 kaz 1.87 Release 0.20, 2002-07-27:
305 kaz 1.86
306     The commit command does a true global commit when given no file or directory
307     parameters, and not given the --metaonly option. This means commiting all
308     changes in the MCVS directory, even if they are in F-files that are not
309     currently mapped.
310    
311 kaz 1.85 Release 0.19, 2002-07-16:
312 kaz 1.81
313     When moving multiple files or directories to a subdirectory, a
314     restart is now provided to skip over bad ones and continue.
315    
316 kaz 1.83 Grab no longer scans files if there are only added files, or only removed
317     files. There are no moves to deduce in that case.
318    
319 kaz 1.84 Restore properly creates lost+found at the root of a partial sandbox,
320     rather than at the abstract root of the module.
321    
322 kaz 1.83 Some other algorithmic improvements made.
323 kaz 1.82
324     The first few sections of a user guide have been written.
325    
326 kaz 1.80 Release 0.18, 2002-07-07:
327 kaz 1.77
328 kaz 1.78 Cool new feature: checkout takes an extra argument, which specifies a
329     subdirectory of the project. Specifying a subdirectory results in a ``partial
330     sandbox'', whose root directory is the specified subdirectory of the larger
331     project. The rest of the project is ``invisible'' to that sandbox. A
332     subdirectory argument can also be given to mcvs grab, which will cause it to
333     integrate the new source tree against a subtree of the Meta-CVS project
334 kaz 1.79 rather than the entire project. The subtree doesn't have to exist; in
335     that case you get an empty sandbox. Adding files to this sandbox will cause
336     the tree to exist in the project.
337 kaz 1.78
338 kaz 1.77 Bugfix: mcvs grab was not computing moves properly over small file sets,
339     wrongly treating them as removes and adds.
340    
341 kaz 1.76 Release 0.17, 2002-07-02:
342 kaz 1.71
343     The create command no longer takes a vendor branch. Instead the symbol
344     ``Created-by-Meta-CVS'' is used as the vendor tag to satisfy CVS.
345    
346 kaz 1.72 The grab command no longer does useless synchronization on files that
347     are about to be deleted.
348    
349 kaz 1.75 New purge command; does ``cvs rm'' on deleted files, that is to say, F- files
350     that have no mapping.
351    
352     New restore command; re-enters deleted files into the mapping, under
353     the ``lost+found'' directory, using their F- names as sandbox names.
354 kaz 1.73
355 kaz 1.74 Bugfix: when a checkout bails because it is requested over top of an existing
356     working copy, it must not delete that working copy's MCVS sub directory.
357    
358 kaz 1.70 Release 0.16, 2002-06-29:
359 kaz 1.67
360     Added new heuristics to grab command. Paths are analyzed to determine
361     move distance. Greater distances reduce the confidence in a move.
362     These rules help sort out grabs in a project where similar or
363     duplicate files are subject to parallel moves, the ambiguity being
364 kaz 1.68 resolved by favoring shorter moves. Word comparisons are case-insensitive
365     now. Common words (those that appear in many files) are ignored when
366     comparing files.
367 kaz 1.67
368 kaz 1.69 New options, --meta and --metaonly. This area of Meta-CVS is cleaned
369     up a little bit. Most reporting commands like log or diff no longer
370     operate on meta files by default; they must be explicitly told to do
371     so with --meta or --metaonly. Only the commit command implicitly includes
372     metafiles by default, and so if this is not wanted, --nometa must be
373     selected. The update command remains special; if it is given file
374     arguments, it does not include meta files. If given no arguments, it
375     does a global CVS up across the entire project.
376    
377 kaz 1.66 Release 0.15, 2002-06-25:
378 kaz 1.61
379 kaz 1.65 Optimized a string splitting routine which is used heavily for processing
380     paths; the result is a noticeable performance improvement in some commands
381     that process large numbers of files.
382 kaz 1.61
383 kaz 1.62 Renamed ``import'' command to ``create''.
384    
385 kaz 1.65 Bugfix: checkout and create showed errors when removing directory, due to
386     broken :postorder support in directory walking function.
387 kaz 1.63
388 kaz 1.65 Bugfix: on failure, checkout was failing to delete the MCVS directory when
389     the checkout was directed to an existing directory.
390    
391 kaz 1.66 New feature: ``mcvs grab'' command imports third-party snapshots to a
392 kaz 1.65 branch. This is invoked in the root directory of the source tree to import.
393     It determines what files have been added and removed in the snapshot, and
394     tries to compute which removes and adds are actually moves. This is done by
395     analyzing the actual contents of the files according to a crude algorithm to
396     do fuzzy comparisons, so that even files which were modified as well as moved
397     are discovered.
398 kaz 1.64
399 kaz 1.60 Release 0.14, 2002-06-21:
400 kaz 1.59
401     Bugfix: mcvs add was broken for files that have no suffix, causing
402 kaz 1.60 the underlying cvs add to fail. This was broken in 0.7 when type
403     handling was added.
404 kaz 1.59
405 kaz 1.58 Release 0.13, 2002-06-06:
406 kaz 1.55
407     Sandbox synchronization now handles the case of two files having
408     the same timestamp. An error is signaled, with interactive resolution
409     to synchronize either way, or do nothing.
410    
411 kaz 1.56 If a file must be deleted on update, and this cannot be done, it
412     is now a continuable error.
413    
414     Bugfix: pass -I ! to cvs import so that it won't ignore some F- files
415     whose suffix is one of the ones cvs ignores by default.
416    
417 kaz 1.57 New command: mcvs remap. The user can move or delete files directly without
418     going through Meta-CVS. When mcvs remap is invoked, it will hunt down the
419     moves and deletions, and reconstruct the mapping accordingly; that is,
420     it remaps the new structure. This command uses inode numbers to identify
421     files; if a file is copied and then the original is deleted, that won't
422     be recognized as a move.
423    
424 kaz 1.53 Release 0.12, 2002-04-18:
425 kaz 1.51
426     Bugfix: remove was broken in 0.10, fixed now.
427    
428 kaz 1.54 Bugfix: status, diff, etc. work in empty project rather than complaining
429     ``. not known to Meta-CVS''.
430    
431 kaz 1.52 The checkout operation now can now populate an existing directory, including
432     the current working directory (mcvs co -d . modulename). Of course, the
433     target directory cannot be an existing Meta-CVS sandbox.
434     This is a useful feature, which allows sandboxes to blend with an
435     existing directory structure.
436    
437     Checkout now uses the same function for generating the sandbox
438     structure as does update. This is now necessary, because local files
439     can be clobbered by the checkout.
440    
441 kaz 1.50 Release 0.11, 2002-04-12:
442 kaz 1.46
443     Bugfix: when branch invokes rtag, it now takes the CVSROOT information
444     from CVS/Root and passes it via -d. This is necessary because rtag does not
445     look at a local CVS subdirectory for this information, only the
446     -d option or the environment variable.
447    
448 kaz 1.48 Command for listing branches added (list-branches or lb). Also shows
449     what sticky tag the sandbox is updated to.
450    
451     Command for switching branches added (switch or sw).
452    
453     Merge detects that working copy is on non-branch tag and bails.
454 kaz 1.47
455 kaz 1.49 Absolute paths can now be specified as file arguments. These are
456     based from the root directory of the sandbox, not the actual filesystem root
457     directory.
458    
459 kaz 1.45 Release 0.10, 2002-04-03:
460 kaz 1.44
461     Automatic merging implemented. Branch is created using branch command,
462     and merging from another branch is done using simple merge command.
463     Meta-CVS maintains the tags to keep track of what has been merged
464     from what branch to what branch.
465 kaz 1.40
466     Bugfix: checkout -d foo bar was complaining about directory bar already
467     existing, even though it should only care about foo.
468    
469 kaz 1.41 The remove command now requires explicit -R option to recursively remove
470 kaz 1.42 a directory. It has more detailed error reporting.
471 kaz 1.41
472 kaz 1.43 The move command has better error reporting.
473    
474 kaz 1.39 Release 0.9, 2002-03-14:
475 kaz 1.37
476     Bugfix: the .cvsignore file is now subject to tagging, status, etc,
477     (unless --nometa is specified, of course).
478 kaz 1.38
479     The mcvs filt command takes -r <revision> or -D <date> parameters.
480     This means to retrieve the MAP file as of the specified revision or
481     date and use that mapping to perform the filtering translation,
482     rather than using MAP-LOCAL.
483 kaz 1.39
484     The mcvs update command takes filename arguments now and also
485     supports the -p option.
486 kaz 1.37
487 kaz 1.36 Release 0.8, 2002-03-13:
488 kaz 1.28
489 kaz 1.29 Bug fixed in mcvs add; it was not ignoring files that are already
490     listed as :ignore in MCVS/TYPES.
491    
492 kaz 1.34 Bug fixed in mcvs move: a target with a trailing slash is now treated
493     as a directory (if it does not already exist and is a non-directory).
494    
495 kaz 1.30 The -d option of mcvs checkout can now be used to override the checkout
496     directory, which is normally the same as the module name.
497    
498 kaz 1.31 The global options --version, --help, -q, -Q and -e are now supported.
499    
500 kaz 1.33 New global options --error-continue and --error-terminate to disable
501     interactive error handling in two different ways.
502    
503 kaz 1.32 Log level of many messages has changed; many messages have been
504     relegated to debug level.
505    
506 kaz 1.35 The import command now creates a .cvsignore file containing the name
507     MAP-LOCAL.
508    
509 kaz 1.24 Release 0.7, 2002-03-09:
510    
511 kaz 1.27 The import command collects a list of the file suffixes and brings up
512     a text editor to allow the user to edit their CVS keyword expansion
513     behavior. This information is kept in a new metafile called TYPES. The
514     add command also updates TYPES; it identifies any suffixes which are new,
515     and brings up an editor. The F- files now carry suffixes, which
516     simplifies interfacing with CVS, and also allows cvswrappers to work.
517    
518     Recursive add works (mcvs add -R ...).
519    
520     New command line option --nometa allows metafiles to be excluded from
521     diff, tag, and other commands; without the option they are inserted
522     into the list of files to be processed.
523 kaz 1.25
524 kaz 1.27 The commit option now takes an optional list of files or directories,
525     just like tag, diff, and others.
526 kaz 1.26
527 kaz 1.23 Release 0.6, 2002-02-16:
528 kaz 1.19
529 kaz 1.27 The add operation was horribly broken in 0.5, it is fixed.
530 kaz 1.21
531 kaz 1.27 User can interactively select whether to clobber local files or leave
532     everything alone. Effects on the mapping file of a mcvs move are undone,
533     if the restructuring is rolled back, or raises a condition that leads
534     to termination.
535    
536     Meta-CVS now keeps a new meta-file called MCVS/TYPES. This is created
537     during import, and specifies the CVS keyword expansion mode for files
538     having given suffixes, and can also tell Meta-CVS to ignore certain files
539     when importing or adding.
540 kaz 1.22
541 kaz 1.18 Release 0.5, 2002-02-10:
542 kaz 1.14
543 kaz 1.27 Much improved error handling. Filesystem rearranging code performs
544     sanity checks to prevent adds and moves from accidentally clobbering
545     local files. A rearranging gone bad can be rolled back. Effects
546     of a failed mcvs add can also be rolled back.
547 kaz 1.14
548 kaz 1.27 MAP-LOCAL is now sorted in the same way as MAP.
549 kaz 1.15
550 kaz 1.13 Release 0.4, 2002-02-04:
551 kaz 1.10
552 kaz 1.27 CVS is invoked using internal function resembling the xargs utility,
553     which ensures that multiple command lines are generated if necessary to
554     avoid surpassing the operating system limit on argument and environment
555     vector size. This is important when someone wants to diff or stat a
556     subdirectory, which requires Meta-CVS to pick out the individual files
557     at the CVS level.
558    
559     The tag, log, status and annotate commands are now available.
560    
561     The MAP file is sorted on F- file names now, not path names. This
562     improves merging, since files do not move within the file when
563     they are renamed.
564 kaz 1.12
565 kaz 1.5 Release 0.3, 2002-02-02:
566    
567 kaz 1.27 Process termination done is properly in top level handler, by a nonlocal
568     exit. The program properly indicates failed termination when it exits
569     due to an error condition.
570    
571     Corrections are made in the command line option processing. If z is an
572     option that takes an argument, and the argument is -zx, then x is
573     treated as the argument to the option. Long options arguments are
574     recognized properly, according to the --opt=arg convention. The option
575     processing is restructured. Most of the commands now take the
576     appropriate cvs command-specific options.
577    
578     The update algorithm performs dupe checking over the map, which could
579     happen during a merge.
580    
581     Some more bugfixing has been done to the move command. It was still not
582     handling right some cases of an unversioned file being clobbered. Also,
583     it wasn't renaming a directory containing just one file.
584    
585     I did some performance investigation for larger file sets, and
586     ended up rewriting the code that computes filesystem restructuring
587     changes and map duplicates.
588 kaz 1.5
589 kaz 1.4 Release 0.2, 2002-01-30:
590    
591 kaz 1.27 Changed official name from MCVS to Meta-CVS. The move command now
592     performs some filesystem tests so it does the right thing when a versioned
593     file is moved over a non-versioned file, or when a file is moved into
594     a directory not known to Meta-CVS. Factored out reading and writing of
595     map files into functions.
596 kaz 1.4
597 kaz 1.2 Release 0.1, 2002-01-28:
598    
599 kaz 1.27 Support for mcvs diff -u added. The -R option works for mcvs add command.
600     Bug fixed in mcvs mv command; it wasn't working analogously to the Unix
601     mv command when copying a directory to an existing directory.
602 kaz 1.2
603     Release 0.0, 2002-01-27:
604 kaz 1.1
605 kaz 1.27 This is alpha software. It is not complete, and lacks documentation.
606     However, it is already usable in its present state and is being used for
607     version control by its author. If you can program in Common Lisp and would
608     like to help, take a look through the TODO file. Send me patches, ideas,
609     feature requests.

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