/[meta-cvs]/meta-cvs/F-B3689DBB46386B16F4B2331934B69223
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Revision 1.110 - (hide annotations)
Thu Sep 19 01:50:04 2002 UTC (11 years, 7 months ago) by kaz
Branch: MAIN
Changes since 1.109: +5 -0 lines
* code/restore.lisp (mcvs-restore): Was still generating old-style
mapping entries.

* code/clisp-unix.lisp (executable-p (string)): New method for
executable-p generic function that takes a filename.
1 kaz 1.3 Release Notes for Meta-CVS
2 kaz 1.1
3 kaz 1.110 Release 0.96, 2002-09-??:
4    
5     The restore command was left broken during the change to the new
6     filemap format. It is now fixed.
7    
8 kaz 1.109 Release 0.95, 2002-09-16:
9 kaz 1.104
10 kaz 1.107 The install.sh script no longer uses a borrowed copy of the clisp-link script
11     or the linkkit directory; these have been removed. These materials
12     are available at every CLISP installation; install.sh now finds them
13     and uses them. Users of non-x86 machines ran into problems because of this
14     because linkkit/clisp.h contains architecture-dependent information.
15 kaz 1.104
16 kaz 1.105 A bug in mcvs filt was fixed; it wasn't handling F- names that aren't found
17     in the map.
18    
19 kaz 1.108 A more detailed help system now exists, though it's not complete. The ``mcvs
20     help'' command acts just like ``mcvs --help'' without any arguments. If given
21     an additional parameter which specifies a Meta-CVS command, it produces more
22     detailed documentation for that comand. Help exists already for a few
23     commands.
24    
25 kaz 1.107 The release number is being warped to 0.95, which means that Meta-CVS is now
26     in beta. It is only five updates away from a 1.0 release.
27 kaz 1.106
28 kaz 1.103 Release 0.24, 2002-09-08:
29 kaz 1.98
30 kaz 1.99 The mapping entries for both symlinks and files have extensible property
31     lists now. These are stored in the optional fourth and fifth list elements,
32     respectively of the :FILE and :SYMLINK map entries.
33    
34     Versioning of the execute permission of files is supported, represented as
35     the :EXEC property of a :FILE mapping entry.
36 kaz 1.98
37 kaz 1.100 Some lame syntax is provided for manipulating properties:
38    
39 kaz 1.102 mcvs prop --set foo --clear bar --remove baz main.c list.c
40 kaz 1.100
41     will set the property FOO to true, set the property BAR to false,
42     and remove the property BAZ, in the files main.c and list.c.
43     The execute permission is represented by the property EXEC.
44    
45 kaz 1.97 Release 0.23, 2002-09-02:
46 kaz 1.95
47 kaz 1.96 Bugfix: the grab command notices edited symlinks and incorporates the
48     changes into the mapping.
49    
50     The grab command now figures out moved symlinks. Moved symlinks are those
51     whose pathname has changed, but which continue to point to the same object
52     (which may also have been moved).
53 kaz 1.95
54 kaz 1.94 Release 0.22, 2002-08-31:
55 kaz 1.93
56     Symbolic links are now versioned objects. The format of the MAP file
57     changes to accomodate this; the new Meta-CVS will read old MAP
58     files; when it writes it will write the new format. Old Meta-CVS won't
59     read the new format.
60    
61     When a new module is created from an existing file tree, symbolic
62     links will be recognized and added. The add command will also add
63     symbolic links. Symbolic links can be renamed and moved; this does
64     nothing with their contents. They can point outside of the sandbox
65     using relative or absolute paths.
66    
67 kaz 1.94 TODO:
68    
69 kaz 1.93 There doesn't exist yet a special command to create symbolic links, nor to
70     retarget them; retargetting a link can be done manually by editing MCVS/MAP
71     and updating. Retargetting a link using the ln -s command, won't
72 kaz 1.94 backpropagate to the MAP file; an update will clobber the link.
73    
74     The grab command does not yet compute symbolic link moves; a moved symbolic
75     link is treated as a remove and add. This will be easy to fix.
76    
77     The remap command ignores symlinks.
78 kaz 1.93
79 kaz 1.92 Release 0.21, 2002-08-04:
80 kaz 1.88
81 kaz 1.89 Syntax of grab command changed. The branch is no longer specified as an
82     argument, but using the -r command option. If no revision is specified with
83     -r, then a -A must be specified to make the grab go to the main trunk. This
84     is a safety feature, since grabbing foreign snapshots to the trunk is almost
85     always wrong, though it could be useful during backup recovery, or for fixing
86     mistakes.
87    
88 kaz 1.91 The way operating system functions are targetted has changed. Instead of
89     relying on the ``linuxlibc6'' module provided by CLISP, Meta-CVS now
90     has its own module for calling foreign functions. This module is portable;
91     it does not depend on the layout of glibc data structures. So Meta-CVS
92     is in theory now portable to other Unixes (provided they have /dev/urandom).
93    
94 kaz 1.87 Release 0.20, 2002-07-27:
95 kaz 1.86
96     The commit command does a true global commit when given no file or directory
97     parameters, and not given the --metaonly option. This means commiting all
98     changes in the MCVS directory, even if they are in F-files that are not
99     currently mapped.
100    
101 kaz 1.85 Release 0.19, 2002-07-16:
102 kaz 1.81
103     When moving multiple files or directories to a subdirectory, a
104     restart is now provided to skip over bad ones and continue.
105    
106 kaz 1.83 Grab no longer scans files if there are only added files, or only removed
107     files. There are no moves to deduce in that case.
108    
109 kaz 1.84 Restore properly creates lost+found at the root of a partial sandbox,
110     rather than at the abstract root of the module.
111    
112 kaz 1.83 Some other algorithmic improvements made.
113 kaz 1.82
114     The first few sections of a user guide have been written.
115    
116 kaz 1.80 Release 0.18, 2002-07-07:
117 kaz 1.77
118 kaz 1.78 Cool new feature: checkout takes an extra argument, which specifies a
119     subdirectory of the project. Specifying a subdirectory results in a ``partial
120     sandbox'', whose root directory is the specified subdirectory of the larger
121     project. The rest of the project is ``invisible'' to that sandbox. A
122     subdirectory argument can also be given to mcvs grab, which will cause it to
123     integrate the new source tree against a subtree of the Meta-CVS project
124 kaz 1.79 rather than the entire project. The subtree doesn't have to exist; in
125     that case you get an empty sandbox. Adding files to this sandbox will cause
126     the tree to exist in the project.
127 kaz 1.78
128 kaz 1.77 Bugfix: mcvs grab was not computing moves properly over small file sets,
129     wrongly treating them as removes and adds.
130    
131 kaz 1.76 Release 0.17, 2002-07-02:
132 kaz 1.71
133     The create command no longer takes a vendor branch. Instead the symbol
134     ``Created-by-Meta-CVS'' is used as the vendor tag to satisfy CVS.
135    
136 kaz 1.72 The grab command no longer does useless synchronization on files that
137     are about to be deleted.
138    
139 kaz 1.75 New purge command; does ``cvs rm'' on deleted files, that is to say, F- files
140     that have no mapping.
141    
142     New restore command; re-enters deleted files into the mapping, under
143     the ``lost+found'' directory, using their F- names as sandbox names.
144 kaz 1.73
145 kaz 1.74 Bugfix: when a checkout bails because it is requested over top of an existing
146     working copy, it must not delete that working copy's MCVS sub directory.
147    
148 kaz 1.70 Release 0.16, 2002-06-29:
149 kaz 1.67
150     Added new heuristics to grab command. Paths are analyzed to determine
151     move distance. Greater distances reduce the confidence in a move.
152     These rules help sort out grabs in a project where similar or
153     duplicate files are subject to parallel moves, the ambiguity being
154 kaz 1.68 resolved by favoring shorter moves. Word comparisons are case-insensitive
155     now. Common words (those that appear in many files) are ignored when
156     comparing files.
157 kaz 1.67
158 kaz 1.69 New options, --meta and --metaonly. This area of Meta-CVS is cleaned
159     up a little bit. Most reporting commands like log or diff no longer
160     operate on meta files by default; they must be explicitly told to do
161     so with --meta or --metaonly. Only the commit command implicitly includes
162     metafiles by default, and so if this is not wanted, --nometa must be
163     selected. The update command remains special; if it is given file
164     arguments, it does not include meta files. If given no arguments, it
165     does a global CVS up across the entire project.
166    
167 kaz 1.66 Release 0.15, 2002-06-25:
168 kaz 1.61
169 kaz 1.65 Optimized a string splitting routine which is used heavily for processing
170     paths; the result is a noticeable performance improvement in some commands
171     that process large numbers of files.
172 kaz 1.61
173 kaz 1.62 Renamed ``import'' command to ``create''.
174    
175 kaz 1.65 Bugfix: checkout and create showed errors when removing directory, due to
176     broken :postorder support in directory walking function.
177 kaz 1.63
178 kaz 1.65 Bugfix: on failure, checkout was failing to delete the MCVS directory when
179     the checkout was directed to an existing directory.
180    
181 kaz 1.66 New feature: ``mcvs grab'' command imports third-party snapshots to a
182 kaz 1.65 branch. This is invoked in the root directory of the source tree to import.
183     It determines what files have been added and removed in the snapshot, and
184     tries to compute which removes and adds are actually moves. This is done by
185     analyzing the actual contents of the files according to a crude algorithm to
186     do fuzzy comparisons, so that even files which were modified as well as moved
187     are discovered.
188 kaz 1.64
189 kaz 1.60 Release 0.14, 2002-06-21:
190 kaz 1.59
191     Bugfix: mcvs add was broken for files that have no suffix, causing
192 kaz 1.60 the underlying cvs add to fail. This was broken in 0.7 when type
193     handling was added.
194 kaz 1.59
195 kaz 1.58 Release 0.13, 2002-06-06:
196 kaz 1.55
197     Sandbox synchronization now handles the case of two files having
198     the same timestamp. An error is signaled, with interactive resolution
199     to synchronize either way, or do nothing.
200    
201 kaz 1.56 If a file must be deleted on update, and this cannot be done, it
202     is now a continuable error.
203    
204     Bugfix: pass -I ! to cvs import so that it won't ignore some F- files
205     whose suffix is one of the ones cvs ignores by default.
206    
207 kaz 1.57 New command: mcvs remap. The user can move or delete files directly without
208     going through Meta-CVS. When mcvs remap is invoked, it will hunt down the
209     moves and deletions, and reconstruct the mapping accordingly; that is,
210     it remaps the new structure. This command uses inode numbers to identify
211     files; if a file is copied and then the original is deleted, that won't
212     be recognized as a move.
213    
214 kaz 1.53 Release 0.12, 2002-04-18:
215 kaz 1.51
216     Bugfix: remove was broken in 0.10, fixed now.
217    
218 kaz 1.54 Bugfix: status, diff, etc. work in empty project rather than complaining
219     ``. not known to Meta-CVS''.
220    
221 kaz 1.52 The checkout operation now can now populate an existing directory, including
222     the current working directory (mcvs co -d . modulename). Of course, the
223     target directory cannot be an existing Meta-CVS sandbox.
224     This is a useful feature, which allows sandboxes to blend with an
225     existing directory structure.
226    
227     Checkout now uses the same function for generating the sandbox
228     structure as does update. This is now necessary, because local files
229     can be clobbered by the checkout.
230    
231 kaz 1.50 Release 0.11, 2002-04-12:
232 kaz 1.46
233     Bugfix: when branch invokes rtag, it now takes the CVSROOT information
234     from CVS/Root and passes it via -d. This is necessary because rtag does not
235     look at a local CVS subdirectory for this information, only the
236     -d option or the environment variable.
237    
238 kaz 1.48 Command for listing branches added (list-branches or lb). Also shows
239     what sticky tag the sandbox is updated to.
240    
241     Command for switching branches added (switch or sw).
242    
243     Merge detects that working copy is on non-branch tag and bails.
244 kaz 1.47
245 kaz 1.49 Absolute paths can now be specified as file arguments. These are
246     based from the root directory of the sandbox, not the actual filesystem root
247     directory.
248    
249 kaz 1.45 Release 0.10, 2002-04-03:
250 kaz 1.44
251     Automatic merging implemented. Branch is created using branch command,
252     and merging from another branch is done using simple merge command.
253     Meta-CVS maintains the tags to keep track of what has been merged
254     from what branch to what branch.
255 kaz 1.40
256     Bugfix: checkout -d foo bar was complaining about directory bar already
257     existing, even though it should only care about foo.
258    
259 kaz 1.41 The remove command now requires explicit -R option to recursively remove
260 kaz 1.42 a directory. It has more detailed error reporting.
261 kaz 1.41
262 kaz 1.43 The move command has better error reporting.
263    
264 kaz 1.39 Release 0.9, 2002-03-14:
265 kaz 1.37
266     Bugfix: the .cvsignore file is now subject to tagging, status, etc,
267     (unless --nometa is specified, of course).
268 kaz 1.38
269     The mcvs filt command takes -r <revision> or -D <date> parameters.
270     This means to retrieve the MAP file as of the specified revision or
271     date and use that mapping to perform the filtering translation,
272     rather than using MAP-LOCAL.
273 kaz 1.39
274     The mcvs update command takes filename arguments now and also
275     supports the -p option.
276 kaz 1.37
277 kaz 1.36 Release 0.8, 2002-03-13:
278 kaz 1.28
279 kaz 1.29 Bug fixed in mcvs add; it was not ignoring files that are already
280     listed as :ignore in MCVS/TYPES.
281    
282 kaz 1.34 Bug fixed in mcvs move: a target with a trailing slash is now treated
283     as a directory (if it does not already exist and is a non-directory).
284    
285 kaz 1.30 The -d option of mcvs checkout can now be used to override the checkout
286     directory, which is normally the same as the module name.
287    
288 kaz 1.31 The global options --version, --help, -q, -Q and -e are now supported.
289    
290 kaz 1.33 New global options --error-continue and --error-terminate to disable
291     interactive error handling in two different ways.
292    
293 kaz 1.32 Log level of many messages has changed; many messages have been
294     relegated to debug level.
295    
296 kaz 1.35 The import command now creates a .cvsignore file containing the name
297     MAP-LOCAL.
298    
299 kaz 1.24 Release 0.7, 2002-03-09:
300    
301 kaz 1.27 The import command collects a list of the file suffixes and brings up
302     a text editor to allow the user to edit their CVS keyword expansion
303     behavior. This information is kept in a new metafile called TYPES. The
304     add command also updates TYPES; it identifies any suffixes which are new,
305     and brings up an editor. The F- files now carry suffixes, which
306     simplifies interfacing with CVS, and also allows cvswrappers to work.
307    
308     Recursive add works (mcvs add -R ...).
309    
310     New command line option --nometa allows metafiles to be excluded from
311     diff, tag, and other commands; without the option they are inserted
312     into the list of files to be processed.
313 kaz 1.25
314 kaz 1.27 The commit option now takes an optional list of files or directories,
315     just like tag, diff, and others.
316 kaz 1.26
317 kaz 1.23 Release 0.6, 2002-02-16:
318 kaz 1.19
319 kaz 1.27 The add operation was horribly broken in 0.5, it is fixed.
320 kaz 1.21
321 kaz 1.27 User can interactively select whether to clobber local files or leave
322     everything alone. Effects on the mapping file of a mcvs move are undone,
323     if the restructuring is rolled back, or raises a condition that leads
324     to termination.
325    
326     Meta-CVS now keeps a new meta-file called MCVS/TYPES. This is created
327     during import, and specifies the CVS keyword expansion mode for files
328     having given suffixes, and can also tell Meta-CVS to ignore certain files
329     when importing or adding.
330 kaz 1.22
331 kaz 1.18 Release 0.5, 2002-02-10:
332 kaz 1.14
333 kaz 1.27 Much improved error handling. Filesystem rearranging code performs
334     sanity checks to prevent adds and moves from accidentally clobbering
335     local files. A rearranging gone bad can be rolled back. Effects
336     of a failed mcvs add can also be rolled back.
337 kaz 1.14
338 kaz 1.27 MAP-LOCAL is now sorted in the same way as MAP.
339 kaz 1.15
340 kaz 1.13 Release 0.4, 2002-02-04:
341 kaz 1.10
342 kaz 1.27 CVS is invoked using internal function resembling the xargs utility,
343     which ensures that multiple command lines are generated if necessary to
344     avoid surpassing the operating system limit on argument and environment
345     vector size. This is important when someone wants to diff or stat a
346     subdirectory, which requires Meta-CVS to pick out the individual files
347     at the CVS level.
348    
349     The tag, log, status and annotate commands are now available.
350    
351     The MAP file is sorted on F- file names now, not path names. This
352     improves merging, since files do not move within the file when
353     they are renamed.
354 kaz 1.12
355 kaz 1.5 Release 0.3, 2002-02-02:
356    
357 kaz 1.27 Process termination done is properly in top level handler, by a nonlocal
358     exit. The program properly indicates failed termination when it exits
359     due to an error condition.
360    
361     Corrections are made in the command line option processing. If z is an
362     option that takes an argument, and the argument is -zx, then x is
363     treated as the argument to the option. Long options arguments are
364     recognized properly, according to the --opt=arg convention. The option
365     processing is restructured. Most of the commands now take the
366     appropriate cvs command-specific options.
367    
368     The update algorithm performs dupe checking over the map, which could
369     happen during a merge.
370    
371     Some more bugfixing has been done to the move command. It was still not
372     handling right some cases of an unversioned file being clobbered. Also,
373     it wasn't renaming a directory containing just one file.
374    
375     I did some performance investigation for larger file sets, and
376     ended up rewriting the code that computes filesystem restructuring
377     changes and map duplicates.
378 kaz 1.5
379 kaz 1.4 Release 0.2, 2002-01-30:
380    
381 kaz 1.27 Changed official name from MCVS to Meta-CVS. The move command now
382     performs some filesystem tests so it does the right thing when a versioned
383     file is moved over a non-versioned file, or when a file is moved into
384     a directory not known to Meta-CVS. Factored out reading and writing of
385     map files into functions.
386 kaz 1.4
387 kaz 1.2 Release 0.1, 2002-01-28:
388    
389 kaz 1.27 Support for mcvs diff -u added. The -R option works for mcvs add command.
390     Bug fixed in mcvs mv command; it wasn't working analogously to the Unix
391     mv command when copying a directory to an existing directory.
392 kaz 1.2
393     Release 0.0, 2002-01-27:
394 kaz 1.1
395 kaz 1.27 This is alpha software. It is not complete, and lacks documentation.
396     However, it is already usable in its present state and is being used for
397     version control by its author. If you can program in Common Lisp and would
398     like to help, take a look through the TODO file. Send me patches, ideas,
399     feature requests.

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