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revision 1.127 by kaz, Mon Oct 7 03:53:17 2002 UTC revision by kaz, Thu Feb 13 07:20:49 2003 UTC
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1                         Release Notes for Meta-CVS                         Release Notes for Meta-CVS
3    Release 1.0.3, 2002-02-12:
5      Fix for the CVS ``No child processes'' abort problem. It turns out
6      that CLISP sets the signal handling action for the SIGCHLD signal
7      to SIG_IGN, which is inherited by child processes across the
8      fork() and execvp() calls used in our mcvs_spawn() function.
9      We correct the problem by resetting the signal handler to SIG_DFL
10      just before executing the new process image.
12      New feature, --up option. The argument is a nonnegative integer value
13      (default is zero) which specifies how many sandbox nesting levels to
14      escape out of when locating the sandbox root. This helps work with
15      nested Meta-CVS sandboxes.
17    Release 1.0.2, 2002-02-10:
19      Bugfix in waitpid logic in the C library for running external processes;
20      we were not dealing with an interrupted waitpid.
22      Behavior of mcvs tag is changed: when there are no filename arguments,
23      the whole tree is tagged including the metafiles. In other words, it
24      now works like the commit command.
26    Release 1.0.1, 2003-01-30:
28      Hard link sync optimization: update of a subset of files, commit, and
29      other operations like log and diff don't need to synchronize all
30      hard links, just the ones operated on.
32      The merge and remerge commands support -k option for overriding
33      CVS keyword expansion mode.
35      Fixes to getcwd error handling.
37      Improvement in install.sh script's logic for locating CLISP installation
38      directory.
40    Release 1.0, 2003-01-01:
42      NOTE: It's not possible to upgrade to this release via mcvs-upgrade,
43      because it adds some new C functions to the Lisp executable.
45      Security fix: read-time evaluation was not suppressed when reading
46      structured data, like MCVS/MAP and MCVS/TYPES. This means that it
47      was possible for Alice to check in something that would execute
48      arbitrary code on Bob's computer.
50      Optimization: use fork and exec to launch CVS rather than CLISP's
51      run-program function, which indirects through the shell interpreter.
52      (On Cygwin, the spawnvp function is used).
54      Performance fix: stat() was being called superfluously by the
55      hard synchronization code, twice for each file.
57      Build fix: install.sh works when CLISP executable is called ``lisp.exe'',
58      which is the case under Cygwin with newer CLISP releases.
60    Release 0.99, 2002-11-17:
62      New link command for creating symbolic links.
64      Global option -n (dry run---don't modify filesystem) is processed
65      internally now, not just passed to CVS.
67      Failure to invoke text editor is handled.
69      The -r option of filt is fixed; it has been broken since the change to the
70      new MAP format, because it was reading the raw map representation, not
71      passing it through the right conversion steps that are needed now.
73      Bugfix to purge and remap commands: they were fooled by CVS-generated
74      files in the MCVS/CVS directory. Specifically, files having F- names, and a
75      the suffix ,t.
77      Bugfix to add logic in directory restructuring: there was the possibility
78      of mistakingly taking a clobbered local file to be a new local version of
79      the added file, instead of replacing it. This could happen if the local
80      file had a future timestamp relative to the one coming from the repository.
82      The prop command does not synchronize or write out map if no options are
83      specified.
85      Help text added for move and branch commands. Help text for grab rewritten.
87      The CVSEDITOR and VISUAL environment variables are now checked, not
88      only EDITOR.
90    Release 0.98, 2002-10-13:
92      The prop command was mistakenly reading from MAP-LOCAL and writing to MAP,
93      which could cause information loss if the two differ. It now reads from MAP
94      and writes to MAP. (The property changes propagate to MAP-LOCAL by the
95      update operation invoked by prop, as before).
97      Invocation of external programs included in debug trace.
99      The filt command does not filter F- names if they are immediately preceded by
100      the MCVS/ prefix; such occurences are clearly concrete, sandbox-relative
101      references to the actual F- links, rather than abstract references.
103      The update command now supports the -C option, to fetch the repository
104      copy, throwing away local changes. It also now honors the --metaonly
105      and --nometa options.
107      The export command has been added, for checking out documents without creating
108      a working copy (no MCVS directory in the root of the checkout).
110      The watch command has been added. Note that its syntax differs from that
111      of CVS.
113      The watchers, editors, edit, and unedit commands have been added.
115      A script called mcvs-upgrade is now included, and installs alongside the mcvs
116      script.  This allows the Meta-CVS Lisp image to recompile and patch itself,
117      giving users of binary distributions an easy way to upgrade from source
118      code.
120  Release 0.97, 2002-10-06:  Release 0.97, 2002-10-06:
122    Meta-CVS now builds and runs on Microsoft Windows, under Cygwin    Meta-CVS now builds and runs on Microsoft Windows, under Cygwin

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