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freebsd/contrib/cvs/NEWS
Peter Wemm 7f22ecb0da Import cvs-1.11.1p1 onto vendor branch
2001-08-10 09:43:22 +00:00

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Changes since 1.11.1:
* Read only access was broken - now fixed.
Changes since 1.11:
* There was a bug in the diff code which caused conflicts to be flagged which shouldn't
have been. This has been fixed.
* New "cvs rlog" and "cvs rannotate" commands have been added to get log
messages and annotations without having to have a checked-out copy.
* The VMS client now accepts wildcards if you're running VMS 7.x.
* ZLIB has been updated to version 1.1.3, the most current version. This
includes mostly some optimizations and minor bug fixes.
* The ~/.cvspass file has a slightly modified format. CVSROOTs are now
stored in a new canonical form - hostnames are now case insensitive and port
numbers are always stored in the new format. Until a new login for a
particular CVSROOT is performed with the new version of CVS, new and old
versions of CVS should interoperate invisibly. After that point, an extra login
using the old version of CVS may be necessary to continue to allow the new and
old versions of CVS to interoperate using the same ~/.cvspass file and CVSROOT.
The exception to this rule occurs when the CVSROOTs used with the different
versions use case insensitively different hostnames, for example, "empress",
and "empress.2-wit.com".
* A password and a port number may now be specified in CVSROOT for pserver
connections. The new format is:
:pserver:[[user][:password]@]host[:[port]]/path
Note that passwords specified in a checkout command will be saved in the clear
in the CVS/Root file in each created directory, so this is not recommended,
except perhaps when accessing anonymous repositories or the like.
* The distribution has been converted to use Automake. This shouldn't affect
most users except to ease some portability concerns, but if you are building
from the repository and encounter problems with the makefiles, you might try
running ./noautoconf.sh after a fresh update -AC.
Changes since 1.10:
* The new "cvs version" command gives a short version message. If
the repository is remote, both the client and server versions are
reported.
* "cvs admin -t" now works correctly in client/server mode.
* The "cvs history" command output format has changed -- the date
now includes the year and is given is ISO 8601 format (yyyy-mm-dd).
Also, the new LogHistory option in CVSROOT/config can be used to
control what information gets recorded in the log file and code has
been added to record file removals.
* The buggy PreservePermissions code has been disabled.
* Anonymous read-only access can now be done without requiring a
password. On the server side, simply give that user (presumably
`anonymous') an empty password in the CVSROOT/passwd file, and then
any received password will authenticate successfully.
* There is a new access method :fork: which is similar to :local:
except that it is implemented via the CVS remote protocol, and thus
has a somewhat different set of quirks and bugs.
* The -d command line option no longer updates the CVS/Root file. For
one thing, the CVS 1.9/1.10 behavior never had updated CVS/Root in
subdirectories, and for another, it didn't seem that popular in
general. So this change restores the CVS 1.8 behavior (which is also
the CVS 1.9/1.10 behavior if the environment variable
CVS_IGNORE_REMOTE_ROOT is set; with this change,
CVS_IGNORE_REMOTE_ROOT no longer has any effect).
* It is now possible for a single CVS command to recurse into several
CVS roots. This includes roots which are located on several servers,
or which are both remote and local. CVS will make connections to as
many servers as necessary.
* It is now possible to put the CVS lock files in a directory
set by the new LockDir option in CVSROOT/config. The default
continues to be to put the lock files in the repository itself.
Changes from 1.9 to 1.10:
* There is a new feature, enabled by TopLevelAdmin in CVSROOT/config,
which tells CVS to modify the behavior of the "checkout" command. The
command now creates a CVS directory at the top level of the new
working directory, in addition to CVS directories created within
checked-out directories. See the Cederqvist for details.
* There is an optional set of features, enabled by PreservePermissions
in CVSROOT/config, which allow CVS to store unix-specific file
information such as permissions, file ownership, and links. See the
Cederqvist for details.
* One can now authenticate and encrypt using the GSSAPI network
security interface. For details see the Cederqvist's description of
specifying :gserver: in CVSROOT, and the -a global option.
* All access to RCS files is now implemented internally rather than by
calling RCS programs. The main user-visible consequence of this is
that there is no need to worry about making sure that CVS finds the
correct version of RCS. The -b global option and the RCSBIN setting
in CVSROOT/config are still accepted but don't do anything. The
$RCSBIN internal variable in administrative files is no longer
accepted.
* There is a new syntax, "cvs admin -orev1::rev2", which collapses the
revisions between rev1 and rev2 without deleting rev1 or rev2
themselves.
* There is a new administrative file CVSROOT/config which allows one
to specify miscellaneous aspects of CVS configuration. Currently
supported here:
- SystemAuth, allows you to prevent pserver from checking for system
usernames/passwords.
For more information see the "config" section of cvs.texinfo.
* When setting up the pserver server, one now must specify the
allowable CVSROOT directories in inetd.conf. See the Password
authentication server section of cvs.texinfo for details. Note that
this implies that everyone who is running a pserver server must edit
inetd.conf when upgrading their CVS.
* The client no longer needs an external patch program (assuming both
the client and the server have been updated to the new version).
* "cvs admin [options]" will now recurse. In previous versions of
CVS, it was an error and one needed to specify "cvs admin [options] ."
to recurse. This change brings admin in line with the other CVS
commands.
* New "logout" command to remove the password for a remote cvs
repository from the cvspass file.
* Read-only repository access is implemented for the
password-authenticated server (other access methods are just governed
by Unix file permissions, since they require login access to the
repository machine anyway). See the "Repository" section of
cvs.texinfo for details, including a discussion of security issues.
Note that the requirement that read-only users be able to create locks
and write the history file still applies.
* There is a new administrative file verifymsg which is like editinfo
but merely validates the message, rather than also getting it from the
user. It therefore works with client/server CVS or if one uses the -m
or -F options to commit. See the verifymsg section of cvs.texinfo for
details.
* The %s format formerly accepted in loginfo has been extended to
formats such as %{sVv}, so that loginfo scripts have access to the
version numbers being changed. See the Loginfo section of cvs.texinfo
for details.
* The postscript documentation (doc/cvs.ps) shipped with CVS is now
formatted for US letter size instead of A4. This is not because we
consider this size "better" than A4, but because we believe that the
US letter version will print better on A4 paper than the other way
around.
* The "cvs export" command is now logged in the history file and there
is a "cvs history -x E" command to select history file entries
produced by export.
* CVS no longer uses the CVS_PASSWORD environment variable. Storing
passwords in cleartext in an environment variable is a security risk,
especially since (on BSD variants) any user on the system can display
any process's environment using 'ps'. Users should use the 'cvs
login' command instead.
Changes from 1.8 to 1.9:
* Windows NT client should now work on Windows 95 as well.
* New option "--help-synonyms" prints a list of all recognized command
synonyms.
* The "log" command is now implemented internally rather than via the
RCS "rlog" program. The main user-visible consequence is that
symbolic branch names now work (for example "cvs log -rbranch1").
Also, the date formats accepted by -d have changed. They previously
had been a bewildering variety of poorly-documented date formats. Now
they are the same as the date formats accepted by the -D options to
the other CVS commands, which is also a (different) bewildering
variety of poorly-documented date formats, but at least we are
consistently bewildering :-).
* Encryption is now supported over a Kerberos client/server
connection. The new "-x" global option requests it. You must
configure with the --enable-encryption option in order to enable
encryption.
* The format of the CVS commit message has changed slightly when
committing changes on a branch. The tag on which the commit is
ocurring is now reported correctly in all cases.
* New flag -k in wrappers allows you to specify the keyword expansion
mode for added files based on their name. For example, you can
specify that files whose name matches *.exe are binary by default.
See the Wrappers section of cvs.texinfo for more details.
* Remote CVS with the "-z" option now uses the zlib library (included
with CVS) to compress all communication between the client and the
server, rather than invoking gzip on each file separately. This means
that compression is better and there is no need for an external gzip
program (except to interoperate with older version of CVS).
* The "cvs rlog" command is deprecated and running it will print a
warning; use the synonymous "cvs log" command instead. It is
confusing for rlog to mean the same as log because some other CVS
commands are in pairs consisting of a plain command which operates on
a working directory and an "r" command which does not (diff/rdiff;
tag/rtag).
* "cvs diff" has a bunch of new options, mostly long options. Most of
these work only if rcsdiff and diff support them, and are named the
same as the corresponding options to diff.
* The -q and -Q command options to "cvs diff" were removed (use the
global options instead). This brings "cvs diff" into line with the
rest of the CVS commands.
* The "annotate" command can now be used to annotate a revision other
than the head revision on the trunk (see the -r, -D, and -f options in
the annotate node of cvs.texinfo for details).
* The "tag" command has a new option "-c" which checks that all files
are not locally modified before tagging.
* The -d command line option now overrides the cvsroot setting stored
in the CVS/Root file in each working directory, and specifying -d will
cause CVS/Root to be updated.
* Local (non-client/server) CVS now runs on Windows NT. See
windows-NT/README for details.
* The CVSROOT variable specification has changed to support more
access methods. In addition to "pserver," "server" (internal rsh
client), "ext" (external rsh client), "kserver" (kerberos), and
"local" (local filesystem access) can now be specified. For more
details on each method, see cvs.texinfo (there is an index entry for
:local: and each of the other access methods).
* The "login" command no longer prompts the user for username and
hostname, since one will have to provide that information via the `-d'
flag or by setting CVSROOT.
Changes from 1.7 to 1.8:
* New "cvs annotate" command to display the last modification for each
line of a file, with the revision number, user checking in the
modification, and date of the modification. For more information see
the `annotate' node in cvs.texinfo.
* The cvsinit shell script has been replaced by a cvs init command.
The cvs init command creates some example administrative files which
are similar to the files found in the examples directory (and copied
by cvsinit) in previous releases.
* Added the patterns *.olb *.exe _$* *$ to default ignore list.
* There is now a $USER internal variable for *info files.
* There is no longer a separate `mkmodules' program; the functionality
is now built into `cvs'. If upgrading an old repository, it is OK to
leave in the lines in the modules file which run mkmodules (the
mkmodules actions will get done twice, but that is harmless); you will
probably want to remove them once you are no longer using the old CVS.
* One can now specify user variables in *info files via the
${=varname} syntax; there is a -s global option to set them. See the
Variables node in cvs.texinfo for details.
Changes from 1.6 to 1.7:
* The default ignore list has changed slightly: *.obj has been added
and CVS* has been changed to CVS CVS.adm.
* CVS now supports password authentication when accessing remote
repositories; this is useful for sites that can't use rsh (because of
a firewall, for example), and also don't have kerberos. See node
"Password authenticated" (in "Remote repositories", in
doc/cvs.texinfo) for more details. Note: This feature requires both
the client and server to be upgraded.
* Using the -kb option to specify binary files now works--most cases
did not work before. See the "Binary files" section of
doc/cvs.texinfo for details.
* New developer communication features. See the "Watches" section of
doc/cvs.texinfo for details.
* RCS keyword "Name" supported for "cvs update -r <tag>" and "cvs
checkout -r <tag>".
* If there is a group whose name matches a compiled in value which
defaults to "cvsadmin", only members of that group can use "cvs
admin". This replaces the CVS_NOADMIN option.
* CVS now sets the modes of files in the repository based on the
CVSUMASK environment variable or a compiled in value defaulting to
002. This way other developers will be able to access the files in
the repository regardless of the umask of the developer creating them.
* The command names in .cvsrc now match the official name of the
command, not the one (possibly an alias) by which it was invoked. If
you had previously relied on "cvs di" and "cvs diff" using different
options, instead use a shell function or alias (for example "alias
cvsdi='cvs diff -u'"). You also can specify global CVS options (like
"-z") using the command name "cvs".
Changes from 1.5 to 1.6:
* Del updated the man page to include all of the new features
of CVS 1.6.
* "cvs tag" now supports a "-r | -D" option for tagging an already
tagged revision / specific revision of a file.
* There is a "taginfo" file in CVSROOT that supports filtering and
recording of tag operations.
* Long options support added, including --help and --version options.
* "cvs release" no longer cares whether or not the directory being
released has an entry in the `modules' file.
* The modules file now takes a -e option which is used instead of -o
for "cvs export". If your modules file has a -o option which you want
to be used for "cvs export", change it to specify -e as well as -o.
* "cvs export" now takes a -k option to set RCS keyword expansion.
This way you can export binary files. If you want the old behavior,
you need to specify -kv.
* "cvs update", "cvs rdiff", "cvs checkout", "cvs import", "cvs
release", "cvs rtag", and "cvs tag" used to take -q and -Q options
after the command name (e.g. "cvs update -q"). This was confusing
because other commands, such as "cvs ci", did not. So the options
after the command name have been removed and you must now specify, for
example, "cvs -q update", which has been supported since CVS 1.3.
* New "wrappers" feature. This allows you to set a hook which
transforms files on their way in and out of cvs (apparently on the
NeXT there is some particular usefulness in tarring things up in the
repository). It also allows you to declare files as merge-by-copy
which means that instead of trying to merge the file, CVS will merely
copy the new version. There is a CVSROOT/cvswrappers file and an
optionsl ~/.cvswrappers file to support this feature.
* You can set CVSROOT to user@host:dir, not just host:dir, if your
username on the server host is different than on the client host.
* VISUAL is accepted as well as EDITOR.
* $CVSROOT is expanded in *info files.
Changes from 1.4A2 to 1.5:
* Remote implementation. This is very helpful when collaborating on a
project with someone across a wide-area network. This release can
also be used locally, like other CVS versions, if you have no need for
remote access.
Here are some of the features of the remote implementation:
- It uses reliable transport protocols (TCP/IP) for remote repository
access, not NFS. NFS is unusable over long distances (and sometimes
over short distances)
- It transfers only those files that have changed in the repository or
the working directory. To save transmission time, it will transfer
patches when appropriate, and can compress data for transmission.
- The server never holds CVS locks while waiting for a reply from the client;
this makes the system robust when used over flaky networks.
The remote features are documented in doc/cvsclient.texi in the CVS
distribution, but the main doc file, cvs.texinfo, has not yet been
updated to include the remote features.
* Death support. See src/README-rm-add for more information on this.
* Many speedups, especially from jtc@cygnus.com.
* CVS 1.2 compatibility code has been removed as a speedup. If you
have working directories checked out by CVS 1.2, CVS 1.3 or 1.4A2 will
try to convert them, but CVS 1.5 and later will not (if the working
directory is up to date and contains no extraneous files, you can just
remove it, and then check out a new working directory). Likewise if
your repository contains a CVSROOT.adm directory instead of a CVSROOT
directory, you need to rename it.
Fri Oct 21 20:58:54 1994 Brian Berliner <berliner@sun.com>
* Changes between CVS 1.3 and CVS 1.4 Alpha-2
* A new program, "cvsbug", is provided to let you send bug reports
directly to the CVS maintainers. Please use it instead of sending
mail to the info-cvs mailing list. If your build fails, you may
have to invoke "cvsbug" directly from the "src" directory as
"src/cvsbug.sh".
* A new User's Guide and Tutorial, written by Per Cederqvist
<ceder@signum.se> of Signum Support. See the "doc" directory. A
PostScript version is included as "doc/cvs.ps".
* The Frequesntly Asked Questions file, FAQ, has been added to the
release. Unfortunately, its contents are likely out-of-date.
* The "cvsinit" shell script is now installed in the $prefix/bin
directory like the other programs. You can now create new
CVS repositories with great ease.
* Index: lines are now printed on output from 'diff' and 'rdiff',
in order to facilitate application of patches to multiple subdirs.
* Support for a ~/.cvsrc file, which allows you to specify options
that are always supposed to be given to a specific command. This
feature shows the non-orthogonality of the option set, since while
there may be an option to turn something on, the option to turn
that same thing off may not exist.
* You can now list subdirectories that you wish to ignore in a
modules listing, such as:
gcc -a gnu/gcc, !gnu/gcc/testsuites
which will check out everything underneath gnu/gcc, except
everything underneath gnu/gcc/testsuites.
* It is now much harder to accidentally overwrite an existing tag
name, since attempting to move a tag name will result in a error,
unless the -F (force) flag is given to the tag subcommands.
* Better error checking on matching of the repository used to
check code out from against the repository the current cvs
commnands would use. (Thanks to Mark Baushke <mdb@cisco.com>)
* Better support for sites with multiple CVSROOT repositories has
been contributed. The file "CVS/Root" in your working directory
is created to hold the full path to the CVS repository and a
simple check is made against your current CVSROOT setting.
* You can now specify an RCS keyword substitution value when you
import files into the repository.
* Uses a much newer version of Autoconf, and conforms to the GNU
coding standards much more closely. No, it still doesn't have
long option names.
* Code cleanup. Many passes through gcc -Wall helped to identify
a number of questionable constructs. Most arbitrary length limits
were removed.
* Profiling to determine bottlenecks helped to identify the best
places to spend time speeding up the code, which was then done. A
number of performance enhancements in filename matching have sped
up checkouts.
* Many more contributions have been added to the "contrib"
directory. See the README file in that directory for more
information.
* "cvs commit" will try harder to not change the file's
modification time after the commit. If the file does not change
as a result of the commit operation, CVS will preserve the
original modification time, thus speeding up future make-type
builds.
* "cvs commit" now includes any removed files in the (optional)
pre-commit checking program that may be invoked. Previously, only
added and modified files were included.
* It is now possible to commit a file directly onto the trunk at a
specific revision level by doing "cvs commit -r3.0 file.c", where
"3.0" specifies the revision you wish to create. The file must be
up-to-date with the current head of the trunk for this to succeed.
* "cvs commit" will now function with a pre-commit program that
has arguments specified in the "commitinfo" file.
* The "mkmodules" program will now look within the
$CVSROOT/CVSROOT/checkoutlist" file for any additional files that
should be automatically checked out within CVSROOT; mkmodules also
tries harder to preserve any execute bits the files may have
originally had.
* "cvs diff" is much more accurate about its exit status now. It
now returns the maximum exit status of any invoked diff.
* The "-I !" option is now supported for the import and update
commands correctly. It will properly clear the ignore list now.
* Some problems with "cvs import" handling of .cvsignore have been
fixed; as well, some rampant recursion problems with import have
also been fixed.
* "cvs rdiff" (aka "cvs patch") now tries to set the modify time
of any temporary files it uses to match those specified for the
particular revision. This allows a more accurate patch image to
be created.
* "cvs status" has improved revision descriptions. "Working
revision" is used for the revision of the working file that you
edit directly; "Repository revision" is the revision of the file
with the $CVSROOT source repository. Also, the output is clearer
with regard to sticky and branch revisions.
* CVS no longer dumps core when given a mixture of directories and
files in sub-directories (as in "cvs ci file1 dir1/file2").
Instead, arguments are now clumped into their respective directory
and operated on in chunks, together.
* If the CVSEDITOR environment variable is set, that editor is
used for log messages instead of the EDITOR environment variable.
This makes it easy to substitute intelligent programs to make more
elaborate log messages. Contributed by Mark D Baushke
(mdb@cisco.com).
* Command argument changes:
cvs: The "-f" option has been added to ignore
the ~/.cvsrc file.
commit: Renamed the "-f logfile" option to the
"-F logfile" option. Added the "-f"
option to force a commit of the specified
files (this disables recursion).
history: Added "-t timezone" option to force any
date-specific output into the specified
timezone.
import: Added "-d" option to use the file's
modification time as the time of the
import. Added "-k sub" option to set the
default RCS keyword substitution mode for
newly-created files.
remove: Added "-f" option to force the file's
automatic removal if it still exists in
the working directory (use with caution).
rtag: Added "-F" option to move the tag if it
already exists -- new default is to NOT
move tags automatically.
tag: Added "-F" option to move the tag if it
already exists -- new default is to NOT
move tags automatically.
Tue Apr 7 15:55:25 1992 Brian Berliner (berliner at sun.com)
* Changes between CVS 1.3 Beta-3 and official CVS 1.3!
* A new shell script is provided, "./cvsinit", which can be run at
install time to help setup your $CVSROOT area. This can greatly
ease your entry into CVS usage.
* The INSTALL file has been updated to include the machines on
which CVS has compiled successfully. I think CVS 1.3 is finally
portable. Thanks to all the Beta testers!
* Support for the "editinfo" file was contributed. This file
(located in $CVSROOT/CVSROOT) can be used to specify a special
"editor" to run on a per-directory basis within the repository,
instead of the usual user's editor. As such, it can verify that
the log message entered by the user is of the appropriate form
(contains a bugid and test validation, for example).
* The manual pages cvs(1) and cvs(5) have been updated.
* The "mkmodules" command now informs you when your modules file
has duplicate entries.
* The "add" command now preserves any per-directory sticky tag when
you add a new directory to your checked-out sources.
* The "admin" command is now a fully recursive interface to the
"rcs" program which operates on your checked-out sources. It no
longer requires you to specify the full path to the RCS file.
* The per-file sticky tags can now be effectively removed with
"cvs update -A file", even if you had checked out the whole
directory with a per-directory sticky tag. This allows a great
deal of flexibility in managing the revisions that your checked-out
sources are based upon (both per-directory and per-file sticky
tags).
* The "cvs -n commit" command now works, to show which files are
out-of-date and will cause the real commit to fail, or which files
will fail any pre-commit checks. Also, the "cvs -n import ..."
command will now show you what it would've done without actually
doing it.
* Doing "cvs commit modules" to checkin the modules file will no
properly run the "mkmodules" program (assuming you have setup your
$CVSROOT/CVSROOT/modules file to do so).
* The -t option in the modules file (which specifies a program to
run when you do a "cvs rtag" operation on a module) now gets the
symbolic tag as the second argument when invoked.
* When the source repository is locked by another user, that user's
login name will be displayed as the holder of the lock.
* Doing "cvs checkout module/file.c" now works even if
module/file.c is in the Attic (has been removed from main-line
development).
* Doing "cvs commit */Makefile" now works as one would expect.
Rather than trying to commit everything recursively, it will now
commit just the files specified.
* The "cvs remove" command is now fully recursive. To schedule a
file for removal, all you have to do is "rm file" and "cvs rm".
With no arguments, "cvs rm" will schedule all files that have been
physically removed for removal from the source repository at the
next "cvs commit".
* The "cvs tag" command now prints "T file" for each file that was
tagged by this invocation and "D file" for each file that had the
tag removed (as with "cvs tag -d").
* The -a option has been added to "cvs rtag" to force it to clean
up any old, matching tags for files that have been removed (in the
Attic) that may not have been touched by this tag operation. This
can help keep a consistent view with your tag, even if you re-use
it frequently.
Sat Feb 29 16:02:05 1992 Brian Berliner (berliner at sun.com)
* Changes between CVS 1.3 Beta-2 and CVS 1.3 Beta-3
* Many portability fixes, thanks to all the Beta testers! With any
luck, this Beta release will compile correctly on most anything.
Hey, what are we without our dreams.
* CVS finally has support for doing isolated development on a
branch off the current (or previous!) revisions. This is also
extremely nice for generating patches for previously released
software while development is progressing on the next release.
Here's an example of creating a branch to fix a patch with the 2.0
version of the "foo" module, even though we are already well into
the 3.0 release. Do:
% cvs rtag -b -rFOO_2_0 FOO_2_0_Patch foo
% cvs checkout -rFOO_2_0_Patch foo
% cd foo
[[ hack away ]]
% cvs commit
A physical branch will be created in the RCS file only when you
actually commit the change. As such, forking development at some
random point in time is extremely light-weight -- requiring just a
symbolic tag in each file until a commit is done. To fork
development at the currently checked out sources, do:
% cvs tag -b Personal_Hack
% cvs update -rPersonal_Hack
[[ hack away ]]
% cvs commit
Now, if you decide you want the changes made in the Personal_Hack
branch to be merged in with other changes made in the main-line
development, you could do:
% cvs commit # to make Personal_Hack complete
% cvs update -A # to update sources to main-line
% cvs update -jPersonal_Hack # to merge Personal_Hack
to update your checked-out sources, or:
% cvs checkout -jPersonal_Hack module
to checkout a fresh copy.
To support this notion of forked development, CVS reserves
all even-numbered branches for its own use. In addition, CVS
reserves the ".0" and ".1" branches. So, if you intend to do your
own branches by hand with RCS, you should use odd-numbered branches
starting with ".3", as in "1.1.3", "1.1.5", 1.2.9", ....
* The "cvs commit" command now supports a fully functional -r
option, allowing you to commit your changes to a specific numeric
revision or symbolic tag with full consistency checks. Numeric
tags are useful for bringing your sources all up to some revision
level:
% cvs commit -r2.0
For symbolic tags, you can only commit to a tag that references a
branch in the RCS file. One created by "cvs rtag -b" or from
"cvs tag -b" is appropriate (see below).
* Roland Pesch <pesch@cygnus.com> and K. Richard Pixley
<rich@cygnus.com> were kind enough to contribute two new manual
pages for CVS: cvs(1) and cvs(5). Most of the new CVS 1.3 features
are now documented, with the exception of the new branch support
added to commit/rtag/tag/checkout/update.
* The -j options of checkout/update have been added. The "cvs join"
command has been removed.
With one -j option, CVS will merge the changes made between the
resulting revision and the revision that it is based on (e.g., if
the tag refers to a branch, CVS will merge all changes made in
that branch into your working file).
With two -j options, CVS will merge in the changes between the two
respective revisions. This can be used to "remove" a certain delta
from your working file. E.g., If the file foo.c is based on
revision 1.6 and I want to remove the changes made between 1.3 and
1.5, I might do:
% cvs update -j1.5 -j1.3 foo.c # note the order...
In addition, each -j option can contain on optional date
specification which, when used with branches, can limit the chosen
revision to one within a specific date. An optional date is
specified by adding a colon (:) to the tag, as in:
-jSymbolic_Tag:Date_Specifier
An example might be what "cvs import" tells you to do when you have
just imported sources that have conflicts with local changes:
% cvs checkout -jTAG:yesterday -jTAG module
which tells CVS to merge in the changes made to the branch
specified by TAG in the last 24 hours. If this is not what is
intended, substitute "yesterday" for whatever format of date that
is appropriate, like:
% cvs checkout -jTAG:'1 week ago' -jTAG module
* "cvs diff" now supports the special tags "BASE" and "HEAD". So,
the command:
% cvs diff -u -rBASE -rHEAD
will effectively show the changes made by others (in unidiff
format) that will be merged into your working sources with your
next "cvs update" command. "-rBASE" resolves to the revision that
your working file is based on. "-rHEAD" resolves to the current
head of the branch or trunk that you are working on.
* The -P option of "cvs checkout" now means to Prune empty
directories, as with "update". The default is to not remove empty
directories. However, if you do "checkout" with any -r options, -P
will be implied. I.e., checking out with a tag will cause empty
directories to be pruned automatically.
* The new file INSTALL describes how to install CVS, including
detailed descriptions of interfaces to "configure".
* The example loginfo file in examples/loginfo has been updated to
use the perl script included in contrib/log.pl. The nice thing
about this log program is that it records the revision numbers of
your change in the log message.
Example files for commitinfo and rcsinfo are now included in the
examples directory.
* All "#if defined(__STDC__) && __STDC__ == 1" lines have been
changed to be "#if __STDC__" to fix some problems with the former.
* The lib/regex.[ch] files have been updated to the 1.3 release of
the GNU regex package.
* The ndbm emulation routines included with CVS 1.3 Beta-2 in the
src/ndbm.[ch] files has been moved into the src/myndbm.[ch] files
to avoid any conflict with the system <ndbm.h> header file. If
you had a previous CVS 1.3 Beta release, you will want to "cvs
remove ndbm.[ch]" form your copy of CVS as well.
* "cvs add" and "cvs remove" are a bit more verbose, telling you
what to do to add/remove your file permanently.
* We no longer mess with /dev/tty in "commit" and "add".
* More things are quiet with the -Q option set.
* New src/config.h option: If CVS_BADROOT is set, CVS will not
allow people really logged in as "root" to commit changes.
* "cvs diff" exits with a status of 0 if there were no diffs, 1 if
there were diffs, and 2 if there were errors.
* "cvs -n diff" is now supported so that you can still run diffs
even while in the middle of committing files.
* Handling of the CVS/Entries file is now much more robust.
* The default file ignore list now includes "*.so".
* "cvs import" did not expand '@' in the log message correctly. It
does now. Also, import now uses the ignore file facility
correctly.
Import will now tell you whether there were conflicts that need to
be resolved, and how to resolve them.
* "cvs log" has been changed so that you can "log" things that are
not a part of the current release (in the Attic).
* If you don't change the editor message on commit, CVS now prompts
you with the choice:
!)reuse this message unchanged for remaining dirs
which allows you to tell CVS that you have no intention of changing
the log message for the remainder of the commit.
* It is no longer necessary to have CVSROOT set if you are using
the -H option to get Usage information on the commands.
* Command argument changes:
checkout: -P handling changed as described above.
New -j option (up to 2 can be specified)
for doing rcsmerge kind of things on
checkout.
commit: -r option now supports committing to a
numeric or symbolic tags, with some
restrictions. Full consistency checks will
be done.
Added "-f logfile" option, which tells
commit to glean the log message from the
specified file, rather than invoking the
editor.
rtag: Added -b option to create a branch tag,
useful for creating a patch for a previous
release, or for forking development.
tag: Added -b option to create a branch tag,
useful for creating a patch for a previous
release, or for forking development.
update: New -j option (up to 2 can be specified)
for doing rcsmerge kind of things on
update.
Thu Jan 9 10:51:35 MST 1992 Jeff Polk (polk at BSDI.COM)
* Changes between CVS 1.3 Beta-1 and CVS 1.3 Beta-2
* Thanks to K. Richard Pixley at Cygnus we now have function
prototypes in all the files
* Some small changes to configure for portability. There have
been other portability problems submitted that have not been fixed
(Brian will be working on those). Additionally all __STDC__
tests have been modified to check __STDC__ against the constant 1
(this is what the Second edition of K&R says must be true).
* Lots of additional error checking for forked processes (run_exec)
(thanks again to K. Richard Pixley)
* Lots of miscellaneous bug fixes - including but certainly not
limited to:
various commit core dumps
various update core dumps
bogus results from status with numeric sticky tags
commitprog used freed memory
Entries file corruption caused by No_Difference
commit to revision broken (now works if branch exists)
ignore file processing broken for * and !
ignore processing didn't handle memory reasonably
miscellaneous bugs in the recursion processor
file descriptor leak in ParseInfo
CVSROOT.adm->CVSROOT rename bug
lots of lint fixes
* Reformatted all the code in src (with GNU indent) and then
went back and fixed prototypes, etc since indent gets confused. The
rationale is that it is better to do it sooner than later and now
everything is consistent and will hopefully stay that way.
The basic options to indent were: "-bad -bbb -bap -cdb -d0 -bl -bli0
-nce -pcs -cs -cli4 -di1 -nbc -psl -lp -i4 -ip4 -c41" and then
miscellaneous formatting fixes were applied. Note also that the
"-nfc1" or "-nfca" may be appropriate in files where comments have
been carefully formatted (e.g, modules.c).
Sat Dec 14 20:35:22 1991 Brian Berliner (berliner at sun.com)
* Changes between CVS 1.2 and CVS 1.3 Beta are described here.
* Lots of portability work. CVS now uses the GNU "configure"
script to dynamically determine the features provided by your
system. It probably is not foolproof, but it is better than
nothing. Please let me know of any portability problems. Some
file names were changed to fit within 14-characters.
* CVS has a new RCS parser that is much more flexible and
extensible. It should read all known RCS ",v" format files.
* Most of the commands now are fully recursive, rather than just
operating on the current directory alone. This includes "commit",
which makes it real easy to do an "atomic" commit of all the
changes made to a CVS hierarchy of sources. Most of the commands
also correctly handle file names that are in directories other than
".", including absolute path names. Commands now accept the "-R"
option to force recursion on (though it is always the default now)
and the "-l" option to force recursion off, doing just "." and not
any sub-directories.
* CVS supports many of the features provided with the RCS 5.x
distribution - including the new "-k" keyword expansion options. I
recommend using RCS 5.x (5.6 is the current official RCS version)
and GNU diff 1.15 (or later) distributions with CVS.
* Checking out files with symbolic tags/dates is now "sticky", in
that CVS remembers the tag/date used for each file (and directory)
and will use that tag/date automatically on the next "update" call.
This stickyness also holds for files checked out with the the new
RCS 5.x "-k" options.
* The "cvs diff" command now recognizes all of the rcsdiff 5.x
options. Unidiff format is available by installing the GNU
diff 1.15 distribution.
* The old "CVS.adm" directories created on checkout are now called
"CVS" directories, to look more like "RCS" and "SCCS". Old CVS.adm
directories are automagically converted to CVS directories. The
old "CVSROOT.adm" directory within the source repository is
automagically changed into a "CVSROOT" directory as well.
* Symbolic links in the source repository are fully supported ONLY
if you use RCS 5.6 or later and (of course) your system supports
symlinks.
* A history database has been contributed which maintains the
history of certain CVS operations, as well as providing a wide array
of querying options.
* The "cvs" program has a "-n" option which can be used with the
"update" command to show what would be updated without actually
doing the update, like: "cvs -n update". All usage statements
have been cleaned up and made more verbose.
* The module database parsing has been rewritten. The new format
is compatible with the old format, but with much more
functionality. It allows modules to be created that grab pieces or
whole directories from various different parts of your source
repository. Module-relative specifications are also correctly
recognized now, like "cvs checkout module/file.c".
* A configurable template can be specified such that on a "commit",
certain directories can supply a template that the user must fill
before completing the commit operation.
* A configurable pre-commit checking program can be specified which
will run to verify that a "commit" can happen. This feature can be
used to restrict certain users from changing certain pieces of the
source repository, or denying commits to the entire source
repository.
* The new "cvs export" command is much like "checkout", but
establishes defaults suitable for exporting code to others (expands
out keywords, forces the use of a symbolic tag, and does not create
"CVS" directories within the checked out sources.
* The new "cvs import" command replaces the deprecated "checkin"
shell script and is used to import sources into CVS control. It is
also much faster for the first-time import. Some algorithmic
improvements have also been made to reduce the number of
conflicting files on next-time imports.
* The new "cvs admin" command is basically an interface to the
"rcs" program. (Not yet implemented very well).
* Signal handling (on systems with BSD or POSIX signals) is much
improved. Interrupting CVS now works with a single interrupt!
* CVS now invokes RCS commands by direct fork/exec rather than
calling system(3). This improves performance by removing a call to
the shell to parse the arguments.
* Support for the .cvsignore file has been contributed. CVS will
now show "unknown" files as "? filename" as the result of an "update"
command. The .cvsignore file can be used to add files to the
current list of ignored files so that they won't show up as unknown.
* Command argument changes:
cvs: Added -l to turn off history logging.
Added -n to show what would be done without actually
doing anything.
Added -q/-Q for quiet and really quiet settings.
Added -t to show debugging trace.
add: Added -k to allow RCS 5.x -k options to be specified.
admin: New command; an interface to rcs(1).
checkout: Added -A to reset sticky tags/date/options.
Added -N to not shorten module paths.
Added -R option to force recursion.
Changed -p (prune empty directories) to -P option.
Changed -f option; forcing tags match is now default.
Added -p option to checkout module to standard output.
Added -s option to cat the modules db with status.
Added -d option to checkout in the specified directory.
Added -k option to use RCS 5.x -k support.
commit: Removed -a option; use -l instead.
Removed -f option.
Added -l option to disable recursion.
Added -R option to force recursion.
If no files specified, commit is recursive.
diff: Now recognizes all RCS 5.x rcsdiff options.
Added -l option to disable recursion.
Added -R option to force recursion.
history: New command; displays info about CVS usage.
import: Replaces "checkin" shell script; imports sources
under CVS control. Ignores files on the ignore
list (see -I option or .cvsignore description above).
export: New command; like "checkout", but w/special options
turned on by default to facilitate exporting sources.
join: Added -B option to join from base of the branch;
join now defaults to only joining with the top two
revisions on the branch.
Added -k option for RCS 5.x -k support.
log: Supports all RCS 5.x options.
Added -l option to disable recursion.
Added -R option to force recursion.
patch: Changed -f option; forcing tags match is now default.
Added -c option to force context-style diffs.
Added -u option to support unidiff-style diffs.
Added -V option to support RCS specific-version
keyword expansion formats.
Added -R option to force recursion.
remove: No option changes. It's a bit more verbose.
rtag: Equivalent to the old "cvs tag" command.
No option changes. It's a lot faster for re-tag.
status: New output formats with more information.
Added -l option to disable recursion.
Added -R option to force recursion.
Added -v option to show symbolic tags for files.
tag: Functionality changed to tag checked out files
rather than modules; use "rtag" command to get the
old "cvs tag" behaviour.
update: Added -A to reset sticky tags/date/options.
Changed -p (prune empty directories) to -P option.
Changed -f option; forcing tags match is now default.
Added -p option to checkout module to standard output.
Added -I option to add files to the ignore list.
Added -R option to force recursion.
Major Contributors:
* Jeff Polk <polk@bsdi.com> rewrote most of the grody code of CVS
1.2. He made just about everything dynamic (by using malloc),
added a generic hashed list manager, re-wrote the modules database
parsing in a compatible - but extended way, generalized directory
hierarchy recursion for virtually all the commands (including
commit!), generalized the loginfo file to be used for pre-commit
checks and commit templates, wrote a new and flexible RCS parser,
fixed an uncountable number of bugs, and helped in the design of
future CVS features. If there's anything gross left in CVS, it's
probably my fault!
* David G. Grubbs <dgg@odi.com> contributed the CVS "history" and
"release" commands. As well as the ever-so-useful "-n" option of
CVS which tells CVS to show what it would do, without actually
doing it. He also contributed support for the .cvsignore file.
* Paul Sander, HaL Computer Systems, Inc. <paul@hal.com> wrote and
contributed the code in lib/sighandle.c. I added support for
POSIX, BSD, and non-POSIX/non-BSD systems.
* Free Software Foundation contributed the "configure" script and
other compatibility support in the "lib" directory, which will help
make CVS much more portable.
* Many others have contributed bug reports and enhancement requests.
Some have even submitted actual code which I have not had time yet
to integrate into CVS. Maybe for the next release.
* Thanks to you all!
Wed Feb 6 10:10:58 1991 Brian Berliner (berliner at sun.com)
* Changes from CVS 1.0 Patchlevel 1 to CVS 1.0 Patchlevel 2; also
known as "Changes from CVS 1.1 to CVS 1.2".
* Major new support with this release is the ability to use the
recently-posted RCS 5.5 distribution with CVS 1.2. See below for
other assorted bug-fixes that have been thrown in.
* ChangeLog (new): Added Emacs-style change-log file to CVS 1.2
release. Chronological description of changes between release.
* README: Small fixes to installation instructions. My email
address is now "berliner@sun.com".
* src/Makefile: Removed "rcstime.h". Removed "depend" rule.
* src/partime.c: Updated to RCS 5.5 version with hooks for CVS.
* src/maketime.c: Updated to RCS 5.5 version with hooks for CVS.
* src/rcstime.h: Removed from the CVS 1.2 distribution.
Thanks to Paul Eggert <eggert@twinsun.com> for these changes.
* src/checkin.csh: Support for RCS 5.5 parsing.
Thanks to Paul Eggert <eggert@twinsun.com> for this change.
* src/collect_sets.c (Collect_Sets): Be quieter if "-f" option is
specified. When checking out files on-top-of other files that CVS
doesn't know about, run a diff in the hopes that they are really
the same file before aborting.
* src/commit.c (branch_number): Fix for RCS 5.5 parsing.
Thanks to Paul Eggert <eggert@twinsun.com> for this change.
* src/commit.c (do_editor): Bug fix - fprintf missing argument
which sometimes caused core dumps.
* src/modules.c (process_module): Properly NULL-terminate
update_dir[] in all cases.
* src/no_difference.c (No_Difference): The wrong RCS revision was
being registered in certain (strange) cases.
* src/patch.c (get_rcsdate): New algorithm. No need to call
maketime() any longer.
Thanks to Paul Eggert <eggert@twinsun.com> for this change.
* src/patchlevel.h: Increased patch level to "2".
* src/subr.c (isdir, islink): Changed to compare stat mode bits
correctly.
* src/tag.c (tag_file): Added support for following symbolic links
that are in the master source repository when tagging. Made tag
somewhat quieter in certain cases.
* src/update.c (update_process_lists): Unlink the user's file if it
was put on the Wlist, meaning that the user's file is not modified
and its RCS file has been removed by someone else.
* src/update.c (update): Support for "cvs update dir" to correctly
just update the argument directory "dir".
* src/cvs.h: Fixes for RCS 5.5 parsing.
* src/version_number.c (Version_Number): Fixes for parsing RCS 5.5
and older RCS-format files.
Thanks to Paul Eggert <eggert@twinsun.com> for these changes.
* src/version_number.c (Version_Number): Bug fixes for "-f" option.
Bug fixes for parsing with certain branch numbers. RCS
revision/symbol parsing is much more solid now.
Wed Feb 14 10:01:33 1990 Brian Berliner (berliner at sun.com)
* Changes from CVS 1.0 Patchlevel 0 to CVS 1.0 Patchlevel 1; also
known as "Changes from CVS 1.0 to CVS 1.1".
* src/patch.c (get_rcsdate): Portability fix. Replaced call to
timelocal() with call to maketime().
Mon Nov 19 23:15:11 1990 Brian Berliner (berliner at prisma.com)
* Sent CVS 1.0 release to comp.sources.unix moderator and FSF.
* Special thanks to Dick Grune <dick@cs.vu.nl> for his work on the
1986 version of CVS and making it available to the world. Dick's
version is available on uunet.uu.net in the
comp.sources.unix/volume6/cvs directory.
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