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Contents of /meta-cvs/F-B3689DBB46386B16F4B2331934B69223

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Revision 1.65 - (hide annotations)
Tue Jun 25 23:39:19 2002 UTC (11 years, 9 months ago) by kaz
Branch: MAIN
Changes since 1.64: +16 -8 lines
New feature: grab command. Takes snapshot of code and imports
it to a branch, trying to determine which of the added and
removed files are actually moves.

* grab.lisp: New file.
(read-word-hash, word-hash-file, correlate, added-removed,
move-candidates, mcvs-grab, mcvs-grab-wrapper): New functions.

* mcvs-main.lisp (*grab-options*): New constant.
(*mcvs-command-table*): New entry.
(*usage*): New text.

* checkout.lisp (mcvs-checkout): Write out MAP-LOCAL even
if :no-generate t is specified.
1 kaz 1.3 Release Notes for Meta-CVS
2 kaz 1.1
3 kaz 1.65 Release 0.15, 2002-06-??:
4 kaz 1.61
5 kaz 1.65 Optimized a string splitting routine which is used heavily for processing
6     paths; the result is a noticeable performance improvement in some commands
7     that process large numbers of files.
8 kaz 1.61
9 kaz 1.62 Renamed ``import'' command to ``create''.
11 kaz 1.65 Bugfix: checkout and create showed errors when removing directory, due to
12     broken :postorder support in directory walking function.
13 kaz 1.63
14 kaz 1.65 Bugfix: on failure, checkout was failing to delete the MCVS directory when
15     the checkout was directed to an existing directory.
17     Hot new feature: ``mcvs grab'' command imports third-party snapshots to a
18     branch. This is invoked in the root directory of the source tree to import.
19     It determines what files have been added and removed in the snapshot, and
20     tries to compute which removes and adds are actually moves. This is done by
21     analyzing the actual contents of the files according to a crude algorithm to
22     do fuzzy comparisons, so that even files which were modified as well as moved
23     are discovered.
24 kaz 1.64
25 kaz 1.60 Release 0.14, 2002-06-21:
26 kaz 1.59
27     Bugfix: mcvs add was broken for files that have no suffix, causing
28 kaz 1.60 the underlying cvs add to fail. This was broken in 0.7 when type
29     handling was added.
30 kaz 1.59
31 kaz 1.58 Release 0.13, 2002-06-06:
32 kaz 1.55
33     Sandbox synchronization now handles the case of two files having
34     the same timestamp. An error is signaled, with interactive resolution
35     to synchronize either way, or do nothing.
37 kaz 1.56 If a file must be deleted on update, and this cannot be done, it
38     is now a continuable error.
40     Bugfix: pass -I ! to cvs import so that it won't ignore some F- files
41     whose suffix is one of the ones cvs ignores by default.
43 kaz 1.57 New command: mcvs remap. The user can move or delete files directly without
44     going through Meta-CVS. When mcvs remap is invoked, it will hunt down the
45     moves and deletions, and reconstruct the mapping accordingly; that is,
46     it remaps the new structure. This command uses inode numbers to identify
47     files; if a file is copied and then the original is deleted, that won't
48     be recognized as a move.
50 kaz 1.53 Release 0.12, 2002-04-18:
51 kaz 1.51
52     Bugfix: remove was broken in 0.10, fixed now.
54 kaz 1.54 Bugfix: status, diff, etc. work in empty project rather than complaining
55     ``. not known to Meta-CVS''.
57 kaz 1.52 The checkout operation now can now populate an existing directory, including
58     the current working directory (mcvs co -d . modulename). Of course, the
59     target directory cannot be an existing Meta-CVS sandbox.
60     This is a useful feature, which allows sandboxes to blend with an
61     existing directory structure.
63     Checkout now uses the same function for generating the sandbox
64     structure as does update. This is now necessary, because local files
65     can be clobbered by the checkout.
67 kaz 1.50 Release 0.11, 2002-04-12:
68 kaz 1.46
69     Bugfix: when branch invokes rtag, it now takes the CVSROOT information
70     from CVS/Root and passes it via -d. This is necessary because rtag does not
71     look at a local CVS subdirectory for this information, only the
72     -d option or the environment variable.
74 kaz 1.48 Command for listing branches added (list-branches or lb). Also shows
75     what sticky tag the sandbox is updated to.
77     Command for switching branches added (switch or sw).
79     Merge detects that working copy is on non-branch tag and bails.
80 kaz 1.47
81 kaz 1.49 Absolute paths can now be specified as file arguments. These are
82     based from the root directory of the sandbox, not the actual filesystem root
83     directory.
85 kaz 1.45 Release 0.10, 2002-04-03:
86 kaz 1.44
87     Automatic merging implemented. Branch is created using branch command,
88     and merging from another branch is done using simple merge command.
89     Meta-CVS maintains the tags to keep track of what has been merged
90     from what branch to what branch.
91 kaz 1.40
92     Bugfix: checkout -d foo bar was complaining about directory bar already
93     existing, even though it should only care about foo.
95 kaz 1.41 The remove command now requires explicit -R option to recursively remove
96 kaz 1.42 a directory. It has more detailed error reporting.
97 kaz 1.41
98 kaz 1.43 The move command has better error reporting.
100 kaz 1.39 Release 0.9, 2002-03-14:
101 kaz 1.37
102     Bugfix: the .cvsignore file is now subject to tagging, status, etc,
103     (unless --nometa is specified, of course).
104 kaz 1.38
105     The mcvs filt command takes -r <revision> or -D <date> parameters.
106     This means to retrieve the MAP file as of the specified revision or
107     date and use that mapping to perform the filtering translation,
108     rather than using MAP-LOCAL.
109 kaz 1.39
110     The mcvs update command takes filename arguments now and also
111     supports the -p option.
112 kaz 1.37
113 kaz 1.36 Release 0.8, 2002-03-13:
114 kaz 1.28
115 kaz 1.29 Bug fixed in mcvs add; it was not ignoring files that are already
116     listed as :ignore in MCVS/TYPES.
118 kaz 1.34 Bug fixed in mcvs move: a target with a trailing slash is now treated
119     as a directory (if it does not already exist and is a non-directory).
121 kaz 1.30 The -d option of mcvs checkout can now be used to override the checkout
122     directory, which is normally the same as the module name.
124 kaz 1.31 The global options --version, --help, -q, -Q and -e are now supported.
126 kaz 1.33 New global options --error-continue and --error-terminate to disable
127     interactive error handling in two different ways.
129 kaz 1.32 Log level of many messages has changed; many messages have been
130     relegated to debug level.
132 kaz 1.35 The import command now creates a .cvsignore file containing the name
133     MAP-LOCAL.
135 kaz 1.24 Release 0.7, 2002-03-09:
137 kaz 1.27 The import command collects a list of the file suffixes and brings up
138     a text editor to allow the user to edit their CVS keyword expansion
139     behavior. This information is kept in a new metafile called TYPES. The
140     add command also updates TYPES; it identifies any suffixes which are new,
141     and brings up an editor. The F- files now carry suffixes, which
142     simplifies interfacing with CVS, and also allows cvswrappers to work.
144     Recursive add works (mcvs add -R ...).
146     New command line option --nometa allows metafiles to be excluded from
147     diff, tag, and other commands; without the option they are inserted
148     into the list of files to be processed.
149 kaz 1.25
150 kaz 1.27 The commit option now takes an optional list of files or directories,
151     just like tag, diff, and others.
152 kaz 1.26
153 kaz 1.23 Release 0.6, 2002-02-16:
154 kaz 1.19
155 kaz 1.27 The add operation was horribly broken in 0.5, it is fixed.
156 kaz 1.21
157 kaz 1.27 User can interactively select whether to clobber local files or leave
158     everything alone. Effects on the mapping file of a mcvs move are undone,
159     if the restructuring is rolled back, or raises a condition that leads
160     to termination.
162     Meta-CVS now keeps a new meta-file called MCVS/TYPES. This is created
163     during import, and specifies the CVS keyword expansion mode for files
164     having given suffixes, and can also tell Meta-CVS to ignore certain files
165     when importing or adding.
166 kaz 1.22
167 kaz 1.18 Release 0.5, 2002-02-10:
168 kaz 1.14
169 kaz 1.27 Much improved error handling. Filesystem rearranging code performs
170     sanity checks to prevent adds and moves from accidentally clobbering
171     local files. A rearranging gone bad can be rolled back. Effects
172     of a failed mcvs add can also be rolled back.
173 kaz 1.14
174 kaz 1.27 MAP-LOCAL is now sorted in the same way as MAP.
175 kaz 1.15
176 kaz 1.13 Release 0.4, 2002-02-04:
177 kaz 1.10
178 kaz 1.27 CVS is invoked using internal function resembling the xargs utility,
179     which ensures that multiple command lines are generated if necessary to
180     avoid surpassing the operating system limit on argument and environment
181     vector size. This is important when someone wants to diff or stat a
182     subdirectory, which requires Meta-CVS to pick out the individual files
183     at the CVS level.
185     The tag, log, status and annotate commands are now available.
187     The MAP file is sorted on F- file names now, not path names. This
188     improves merging, since files do not move within the file when
189     they are renamed.
190 kaz 1.12
191 kaz 1.5 Release 0.3, 2002-02-02:
193 kaz 1.27 Process termination done is properly in top level handler, by a nonlocal
194     exit. The program properly indicates failed termination when it exits
195     due to an error condition.
197     Corrections are made in the command line option processing. If z is an
198     option that takes an argument, and the argument is -zx, then x is
199     treated as the argument to the option. Long options arguments are
200     recognized properly, according to the --opt=arg convention. The option
201     processing is restructured. Most of the commands now take the
202     appropriate cvs command-specific options.
204     The update algorithm performs dupe checking over the map, which could
205     happen during a merge.
207     Some more bugfixing has been done to the move command. It was still not
208     handling right some cases of an unversioned file being clobbered. Also,
209     it wasn't renaming a directory containing just one file.
211     I did some performance investigation for larger file sets, and
212     ended up rewriting the code that computes filesystem restructuring
213     changes and map duplicates.
214 kaz 1.5
215 kaz 1.4 Release 0.2, 2002-01-30:
217 kaz 1.27 Changed official name from MCVS to Meta-CVS. The move command now
218     performs some filesystem tests so it does the right thing when a versioned
219     file is moved over a non-versioned file, or when a file is moved into
220     a directory not known to Meta-CVS. Factored out reading and writing of
221     map files into functions.
222 kaz 1.4
223 kaz 1.2 Release 0.1, 2002-01-28:
225 kaz 1.27 Support for mcvs diff -u added. The -R option works for mcvs add command.
226     Bug fixed in mcvs mv command; it wasn't working analogously to the Unix
227     mv command when copying a directory to an existing directory.
228 kaz 1.2
229     Release 0.0, 2002-01-27:
230 kaz 1.1
231 kaz 1.27 This is alpha software. It is not complete, and lacks documentation.
232     However, it is already usable in its present state and is being used for
233     version control by its author. If you can program in Common Lisp and would
234     like to help, take a look through the TODO file. Send me patches, ideas,
235     feature requests.

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