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Contents of /meta-cvs/F-B3689DBB46386B16F4B2331934B69223

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Revision 1.118 - (hide annotations)
Sat Sep 21 21:15:17 2002 UTC (11 years, 6 months ago) by kaz
Branch: MAIN
CVS Tags: mcvs-0-96
Changes since 1.117: +1 -1 lines
Release 0.96
1 kaz 1.115 Release Notes for Meta-CVS
2 kaz 1.1
3 kaz 1.118 Release 0.96, 2002-09-21:
4 kaz 1.110
5     The restore command was left broken during the change to the new
6     filemap format. It is now fixed.
8 kaz 1.111 The grab command now handles execute permission bits properly.
10 kaz 1.112 Some more commands have detailed help.
12 kaz 1.113 There is now a global option -i which specifies a script to be
13 kaz 1.114 executed. This allows Meta-CVS to be scripted using Lisp. For
14     instance suppose you have the following script and call it
15     list-matching:
16 kaz 1.113
17     #!/usr/local/bin/mcvs -i
18     (in-sandbox-root-dir
19 kaz 1.114 (let ((mapping (mapping-read *mcvs-map*))
20 kaz 1.117 (test-func (eval (read-from-string (pop *args*)))))
21 kaz 1.114 (dolist (entry mapping)
22     (with-slots (path raw-plist) entry
23 kaz 1.117 (when (funcall test-func raw-plist)
24 kaz 1.114 (format t "~a~%" path))))))
26     Then to list the names of files whose "importance" property is
27     a value greater than two, run:
29     ./list-matching '(lambda (plist)
30     (let ((imp (getf plist :importance)))
31     (and imp (> imp 2))))'
32 kaz 1.117
33     WARNING: Scripting accesses the guts of Meta-CVS directly, so scripts may
34     break as Meta-CVS is maintained. There is currently no published set of
35     stable interfaces.
36 kaz 1.113
37 kaz 1.109 Release 0.95, 2002-09-16:
38 kaz 1.104
39 kaz 1.107 The install.sh script no longer uses a borrowed copy of the clisp-link script
40     or the linkkit directory; these have been removed. These materials
41     are available at every CLISP installation; install.sh now finds them
42     and uses them. Users of non-x86 machines ran into problems because of this
43     because linkkit/clisp.h contains architecture-dependent information.
44 kaz 1.104
45 kaz 1.105 A bug in mcvs filt was fixed; it wasn't handling F- names that aren't found
46     in the map.
48 kaz 1.108 A more detailed help system now exists, though it's not complete. The ``mcvs
49     help'' command acts just like ``mcvs --help'' without any arguments. If given
50     an additional parameter which specifies a Meta-CVS command, it produces more
51     detailed documentation for that comand. Help exists already for a few
52     commands.
54 kaz 1.107 The release number is being warped to 0.95, which means that Meta-CVS is now
55     in beta. It is only five updates away from a 1.0 release.
56 kaz 1.106
57 kaz 1.103 Release 0.24, 2002-09-08:
58 kaz 1.98
59 kaz 1.99 The mapping entries for both symlinks and files have extensible property
60     lists now. These are stored in the optional fourth and fifth list elements,
61     respectively of the :FILE and :SYMLINK map entries.
63     Versioning of the execute permission of files is supported, represented as
64     the :EXEC property of a :FILE mapping entry.
65 kaz 1.98
66 kaz 1.100 Some lame syntax is provided for manipulating properties:
68 kaz 1.102 mcvs prop --set foo --clear bar --remove baz main.c list.c
69 kaz 1.100
70     will set the property FOO to true, set the property BAR to false,
71     and remove the property BAZ, in the files main.c and list.c.
72     The execute permission is represented by the property EXEC.
74 kaz 1.97 Release 0.23, 2002-09-02:
75 kaz 1.95
76 kaz 1.96 Bugfix: the grab command notices edited symlinks and incorporates the
77     changes into the mapping.
79     The grab command now figures out moved symlinks. Moved symlinks are those
80     whose pathname has changed, but which continue to point to the same object
81     (which may also have been moved).
82 kaz 1.95
83 kaz 1.94 Release 0.22, 2002-08-31:
84 kaz 1.93
85     Symbolic links are now versioned objects. The format of the MAP file
86     changes to accomodate this; the new Meta-CVS will read old MAP
87     files; when it writes it will write the new format. Old Meta-CVS won't
88     read the new format.
90     When a new module is created from an existing file tree, symbolic
91     links will be recognized and added. The add command will also add
92     symbolic links. Symbolic links can be renamed and moved; this does
93     nothing with their contents. They can point outside of the sandbox
94     using relative or absolute paths.
96 kaz 1.94 TODO:
98 kaz 1.93 There doesn't exist yet a special command to create symbolic links, nor to
99     retarget them; retargetting a link can be done manually by editing MCVS/MAP
100     and updating. Retargetting a link using the ln -s command, won't
101 kaz 1.94 backpropagate to the MAP file; an update will clobber the link.
103     The grab command does not yet compute symbolic link moves; a moved symbolic
104     link is treated as a remove and add. This will be easy to fix.
106     The remap command ignores symlinks.
107 kaz 1.93
108 kaz 1.92 Release 0.21, 2002-08-04:
109 kaz 1.88
110 kaz 1.89 Syntax of grab command changed. The branch is no longer specified as an
111     argument, but using the -r command option. If no revision is specified with
112     -r, then a -A must be specified to make the grab go to the main trunk. This
113     is a safety feature, since grabbing foreign snapshots to the trunk is almost
114     always wrong, though it could be useful during backup recovery, or for fixing
115     mistakes.
117 kaz 1.91 The way operating system functions are targetted has changed. Instead of
118     relying on the ``linuxlibc6'' module provided by CLISP, Meta-CVS now
119     has its own module for calling foreign functions. This module is portable;
120     it does not depend on the layout of glibc data structures. So Meta-CVS
121     is in theory now portable to other Unixes (provided they have /dev/urandom).
123 kaz 1.87 Release 0.20, 2002-07-27:
124 kaz 1.86
125     The commit command does a true global commit when given no file or directory
126     parameters, and not given the --metaonly option. This means commiting all
127     changes in the MCVS directory, even if they are in F-files that are not
128     currently mapped.
130 kaz 1.85 Release 0.19, 2002-07-16:
131 kaz 1.81
132     When moving multiple files or directories to a subdirectory, a
133     restart is now provided to skip over bad ones and continue.
135 kaz 1.83 Grab no longer scans files if there are only added files, or only removed
136     files. There are no moves to deduce in that case.
138 kaz 1.84 Restore properly creates lost+found at the root of a partial sandbox,
139     rather than at the abstract root of the module.
141 kaz 1.83 Some other algorithmic improvements made.
142 kaz 1.82
143     The first few sections of a user guide have been written.
145 kaz 1.80 Release 0.18, 2002-07-07:
146 kaz 1.77
147 kaz 1.78 Cool new feature: checkout takes an extra argument, which specifies a
148     subdirectory of the project. Specifying a subdirectory results in a ``partial
149     sandbox'', whose root directory is the specified subdirectory of the larger
150     project. The rest of the project is ``invisible'' to that sandbox. A
151     subdirectory argument can also be given to mcvs grab, which will cause it to
152     integrate the new source tree against a subtree of the Meta-CVS project
153 kaz 1.79 rather than the entire project. The subtree doesn't have to exist; in
154     that case you get an empty sandbox. Adding files to this sandbox will cause
155     the tree to exist in the project.
156 kaz 1.78
157 kaz 1.77 Bugfix: mcvs grab was not computing moves properly over small file sets,
158     wrongly treating them as removes and adds.
160 kaz 1.76 Release 0.17, 2002-07-02:
161 kaz 1.71
162     The create command no longer takes a vendor branch. Instead the symbol
163     ``Created-by-Meta-CVS'' is used as the vendor tag to satisfy CVS.
165 kaz 1.72 The grab command no longer does useless synchronization on files that
166     are about to be deleted.
168 kaz 1.75 New purge command; does ``cvs rm'' on deleted files, that is to say, F- files
169     that have no mapping.
171     New restore command; re-enters deleted files into the mapping, under
172     the ``lost+found'' directory, using their F- names as sandbox names.
173 kaz 1.73
174 kaz 1.74 Bugfix: when a checkout bails because it is requested over top of an existing
175     working copy, it must not delete that working copy's MCVS sub directory.
177 kaz 1.70 Release 0.16, 2002-06-29:
178 kaz 1.67
179     Added new heuristics to grab command. Paths are analyzed to determine
180     move distance. Greater distances reduce the confidence in a move.
181     These rules help sort out grabs in a project where similar or
182     duplicate files are subject to parallel moves, the ambiguity being
183 kaz 1.68 resolved by favoring shorter moves. Word comparisons are case-insensitive
184     now. Common words (those that appear in many files) are ignored when
185     comparing files.
186 kaz 1.67
187 kaz 1.69 New options, --meta and --metaonly. This area of Meta-CVS is cleaned
188     up a little bit. Most reporting commands like log or diff no longer
189     operate on meta files by default; they must be explicitly told to do
190     so with --meta or --metaonly. Only the commit command implicitly includes
191     metafiles by default, and so if this is not wanted, --nometa must be
192     selected. The update command remains special; if it is given file
193     arguments, it does not include meta files. If given no arguments, it
194     does a global CVS up across the entire project.
196 kaz 1.66 Release 0.15, 2002-06-25:
197 kaz 1.61
198 kaz 1.65 Optimized a string splitting routine which is used heavily for processing
199     paths; the result is a noticeable performance improvement in some commands
200     that process large numbers of files.
201 kaz 1.61
202 kaz 1.62 Renamed ``import'' command to ``create''.
204 kaz 1.65 Bugfix: checkout and create showed errors when removing directory, due to
205     broken :postorder support in directory walking function.
206 kaz 1.63
207 kaz 1.65 Bugfix: on failure, checkout was failing to delete the MCVS directory when
208     the checkout was directed to an existing directory.
210 kaz 1.66 New feature: ``mcvs grab'' command imports third-party snapshots to a
211 kaz 1.65 branch. This is invoked in the root directory of the source tree to import.
212     It determines what files have been added and removed in the snapshot, and
213     tries to compute which removes and adds are actually moves. This is done by
214     analyzing the actual contents of the files according to a crude algorithm to
215     do fuzzy comparisons, so that even files which were modified as well as moved
216     are discovered.
217 kaz 1.64
218 kaz 1.60 Release 0.14, 2002-06-21:
219 kaz 1.59
220     Bugfix: mcvs add was broken for files that have no suffix, causing
221 kaz 1.60 the underlying cvs add to fail. This was broken in 0.7 when type
222     handling was added.
223 kaz 1.59
224 kaz 1.58 Release 0.13, 2002-06-06:
225 kaz 1.55
226     Sandbox synchronization now handles the case of two files having
227     the same timestamp. An error is signaled, with interactive resolution
228     to synchronize either way, or do nothing.
230 kaz 1.56 If a file must be deleted on update, and this cannot be done, it
231     is now a continuable error.
233     Bugfix: pass -I ! to cvs import so that it won't ignore some F- files
234     whose suffix is one of the ones cvs ignores by default.
236 kaz 1.57 New command: mcvs remap. The user can move or delete files directly without
237     going through Meta-CVS. When mcvs remap is invoked, it will hunt down the
238     moves and deletions, and reconstruct the mapping accordingly; that is,
239     it remaps the new structure. This command uses inode numbers to identify
240     files; if a file is copied and then the original is deleted, that won't
241     be recognized as a move.
243 kaz 1.53 Release 0.12, 2002-04-18:
244 kaz 1.51
245     Bugfix: remove was broken in 0.10, fixed now.
247 kaz 1.54 Bugfix: status, diff, etc. work in empty project rather than complaining
248     ``. not known to Meta-CVS''.
250 kaz 1.52 The checkout operation now can now populate an existing directory, including
251     the current working directory (mcvs co -d . modulename). Of course, the
252     target directory cannot be an existing Meta-CVS sandbox.
253     This is a useful feature, which allows sandboxes to blend with an
254     existing directory structure.
256     Checkout now uses the same function for generating the sandbox
257     structure as does update. This is now necessary, because local files
258     can be clobbered by the checkout.
260 kaz 1.50 Release 0.11, 2002-04-12:
261 kaz 1.46
262     Bugfix: when branch invokes rtag, it now takes the CVSROOT information
263     from CVS/Root and passes it via -d. This is necessary because rtag does not
264     look at a local CVS subdirectory for this information, only the
265     -d option or the environment variable.
267 kaz 1.48 Command for listing branches added (list-branches or lb). Also shows
268     what sticky tag the sandbox is updated to.
270     Command for switching branches added (switch or sw).
272     Merge detects that working copy is on non-branch tag and bails.
273 kaz 1.47
274 kaz 1.49 Absolute paths can now be specified as file arguments. These are
275     based from the root directory of the sandbox, not the actual filesystem root
276     directory.
278 kaz 1.45 Release 0.10, 2002-04-03:
279 kaz 1.44
280     Automatic merging implemented. Branch is created using branch command,
281     and merging from another branch is done using simple merge command.
282     Meta-CVS maintains the tags to keep track of what has been merged
283     from what branch to what branch.
284 kaz 1.40
285     Bugfix: checkout -d foo bar was complaining about directory bar already
286     existing, even though it should only care about foo.
288 kaz 1.41 The remove command now requires explicit -R option to recursively remove
289 kaz 1.42 a directory. It has more detailed error reporting.
290 kaz 1.41
291 kaz 1.43 The move command has better error reporting.
293 kaz 1.39 Release 0.9, 2002-03-14:
294 kaz 1.37
295     Bugfix: the .cvsignore file is now subject to tagging, status, etc,
296     (unless --nometa is specified, of course).
297 kaz 1.38
298     The mcvs filt command takes -r <revision> or -D <date> parameters.
299     This means to retrieve the MAP file as of the specified revision or
300     date and use that mapping to perform the filtering translation,
301     rather than using MAP-LOCAL.
302 kaz 1.39
303     The mcvs update command takes filename arguments now and also
304     supports the -p option.
305 kaz 1.37
306 kaz 1.36 Release 0.8, 2002-03-13:
307 kaz 1.28
308 kaz 1.29 Bug fixed in mcvs add; it was not ignoring files that are already
309     listed as :ignore in MCVS/TYPES.
311 kaz 1.34 Bug fixed in mcvs move: a target with a trailing slash is now treated
312     as a directory (if it does not already exist and is a non-directory).
314 kaz 1.30 The -d option of mcvs checkout can now be used to override the checkout
315     directory, which is normally the same as the module name.
317 kaz 1.31 The global options --version, --help, -q, -Q and -e are now supported.
319 kaz 1.33 New global options --error-continue and --error-terminate to disable
320     interactive error handling in two different ways.
322 kaz 1.32 Log level of many messages has changed; many messages have been
323     relegated to debug level.
325 kaz 1.35 The import command now creates a .cvsignore file containing the name
326     MAP-LOCAL.
328 kaz 1.24 Release 0.7, 2002-03-09:
330 kaz 1.27 The import command collects a list of the file suffixes and brings up
331     a text editor to allow the user to edit their CVS keyword expansion
332     behavior. This information is kept in a new metafile called TYPES. The
333     add command also updates TYPES; it identifies any suffixes which are new,
334     and brings up an editor. The F- files now carry suffixes, which
335     simplifies interfacing with CVS, and also allows cvswrappers to work.
337     Recursive add works (mcvs add -R ...).
339     New command line option --nometa allows metafiles to be excluded from
340     diff, tag, and other commands; without the option they are inserted
341     into the list of files to be processed.
342 kaz 1.25
343 kaz 1.27 The commit option now takes an optional list of files or directories,
344     just like tag, diff, and others.
345 kaz 1.26
346 kaz 1.23 Release 0.6, 2002-02-16:
347 kaz 1.19
348 kaz 1.27 The add operation was horribly broken in 0.5, it is fixed.
349 kaz 1.21
350 kaz 1.27 User can interactively select whether to clobber local files or leave
351     everything alone. Effects on the mapping file of a mcvs move are undone,
352     if the restructuring is rolled back, or raises a condition that leads
353     to termination.
355     Meta-CVS now keeps a new meta-file called MCVS/TYPES. This is created
356     during import, and specifies the CVS keyword expansion mode for files
357     having given suffixes, and can also tell Meta-CVS to ignore certain files
358     when importing or adding.
359 kaz 1.22
360 kaz 1.18 Release 0.5, 2002-02-10:
361 kaz 1.14
362 kaz 1.27 Much improved error handling. Filesystem rearranging code performs
363     sanity checks to prevent adds and moves from accidentally clobbering
364     local files. A rearranging gone bad can be rolled back. Effects
365     of a failed mcvs add can also be rolled back.
366 kaz 1.14
367 kaz 1.27 MAP-LOCAL is now sorted in the same way as MAP.
368 kaz 1.15
369 kaz 1.13 Release 0.4, 2002-02-04:
370 kaz 1.10
371 kaz 1.27 CVS is invoked using internal function resembling the xargs utility,
372     which ensures that multiple command lines are generated if necessary to
373     avoid surpassing the operating system limit on argument and environment
374     vector size. This is important when someone wants to diff or stat a
375     subdirectory, which requires Meta-CVS to pick out the individual files
376     at the CVS level.
378     The tag, log, status and annotate commands are now available.
380     The MAP file is sorted on F- file names now, not path names. This
381     improves merging, since files do not move within the file when
382     they are renamed.
383 kaz 1.12
384 kaz 1.5 Release 0.3, 2002-02-02:
386 kaz 1.27 Process termination done is properly in top level handler, by a nonlocal
387     exit. The program properly indicates failed termination when it exits
388     due to an error condition.
390     Corrections are made in the command line option processing. If z is an
391     option that takes an argument, and the argument is -zx, then x is
392     treated as the argument to the option. Long options arguments are
393     recognized properly, according to the --opt=arg convention. The option
394     processing is restructured. Most of the commands now take the
395     appropriate cvs command-specific options.
397     The update algorithm performs dupe checking over the map, which could
398     happen during a merge.
400     Some more bugfixing has been done to the move command. It was still not
401     handling right some cases of an unversioned file being clobbered. Also,
402     it wasn't renaming a directory containing just one file.
404     I did some performance investigation for larger file sets, and
405     ended up rewriting the code that computes filesystem restructuring
406     changes and map duplicates.
407 kaz 1.5
408 kaz 1.4 Release 0.2, 2002-01-30:
410 kaz 1.27 Changed official name from MCVS to Meta-CVS. The move command now
411     performs some filesystem tests so it does the right thing when a versioned
412     file is moved over a non-versioned file, or when a file is moved into
413     a directory not known to Meta-CVS. Factored out reading and writing of
414     map files into functions.
415 kaz 1.4
416 kaz 1.2 Release 0.1, 2002-01-28:
418 kaz 1.27 Support for mcvs diff -u added. The -R option works for mcvs add command.
419     Bug fixed in mcvs mv command; it wasn't working analogously to the Unix
420     mv command when copying a directory to an existing directory.
421 kaz 1.2
422     Release 0.0, 2002-01-27:
423 kaz 1.1
424 kaz 1.27 This is alpha software. It is not complete, and lacks documentation.
425     However, it is already usable in its present state and is being used for
426     version control by its author. If you can program in Common Lisp and would
427     like to help, take a look through the TODO file. Send me patches, ideas,
428     feature requests.

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