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139 Commits

Author SHA1 Message Date
brian m. carlson 05ea93d6b2 git-cvsserver: port to SHA-256
The code of git-cvsserver currently has several hard-coded 20 and 40
constants that are the length of SHA-1.  When parsing the configuration
file, read the extensions.objectformat configuration setting as well as
CVS-related ones and adjust the hash sizes accordingly.  Use these
computed values in all the places we match object IDs.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Acked-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-06-22 11:21:07 -07:00
Junio C Hamano 46203ac24d cvsserver: use safe_pipe_capture for `constant commands` as well
This is not strictly necessary, but it is a good code hygiene.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-09-11 14:52:29 +09:00
joernchen 27dd73871f cvsserver: use safe_pipe_capture instead of backticks
This makes the script pass arguments that are derived from end-user
input in safer way when invoking subcommands.

Reported-by: joernchen <joernchen@phenoelit.de>
Signed-off-by: joernchen <joernchen@phenoelit.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-09-11 14:52:29 +09:00
Junio C Hamano fce13af5d2 cvsserver: move safe_pipe_capture() to the main package
As a preparation for replacing `command` with a call to this
function from outside GITCVS::updater package, move it to the main
package.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-09-11 14:52:29 +09:00
Li Peng 832c0e5e63 typofix: assorted typofixes in comments, documentation and messages
Many instances of duplicate words (e.g. "the the path") and
a few typoes are fixed, originally in multiple patches.

    wildmatch: fix duplicate words of "the"
    t: fix duplicate words of "output"
    transport-helper: fix duplicate words of "read"
    Git.pm: fix duplicate words of "return"
    path: fix duplicate words of "look"
    pack-protocol.txt: fix duplicate words of "the"
    precompose-utf8: fix typo of "sequences"
    split-index: fix typo
    worktree.c: fix typo
    remote-ext: fix typo
    utf8: fix duplicate words of "the"
    git-cvsserver: fix duplicate words

Signed-off-by: Li Peng <lip@dtdream.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-06 13:16:37 -07:00
GyuYong Jung 527d4a638e git-cvsserver.perl: fix typo
Signed-off-by: GyuYong Jung <obliviscence@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-17 10:00:53 -08:00
Junio C Hamano ec787db662 Merge branch 'ak/cvsserver-stabilize-use-of-hash-keys'
* ak/cvsserver-stabilize-use-of-hash-keys:
  cvsserver: Determinize output to combat Perl 5.18 hash randomization
2013-11-04 14:58:05 -08:00
Anders Kaseorg 9462953ad2 cvsserver: Determinize output to combat Perl 5.18 hash randomization
Perl 5.18 randomizes the seed used by its hash function, so iterating
through hashes results in different orders from run to run:
  http://perldoc.perl.org/perl5180delta.html#Hash-overhaul

This usually broke t9400 (gitcvs.dbname, gitcvs.ext.dbname, when
running cmp on two .sqlite files) and t9402 (check [cvswork3] diff,
when running test_cmp on two diffs).

To fix this, hide the internal order of hashes with sort when sending
output or running database queries.

(An alternative workaround is PERL_HASH_SEED=0, but this seems nicer.)

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-10-30 10:30:30 -07:00
Junio C Hamano 2f46b53957 Merge branch 'jc/cvsserver-perm-bit-fix'
"git cvsserver" computed the permission mode bits incorrectly for
executable files.

* jc/cvsserver-perm-bit-fix:
  cvsserver: pick up the right mode bits
2013-09-18 11:48:02 -07:00
Junio C Hamano 1b48d56cfb cvsserver: pick up the right mode bits
When determining the file mode from either ls-tree or diff-tree
output, we used to grab these octal mode string (typically 100644 or
100755) and then did

	$git_perms .= "r" if ( $mode & 4 );
	$git_perms .= "w" if ( $mode & 2 );
	$git_perms .= "x" if ( $mode & 1 );

which was already wrong, as (100644 & 4) is very different from
oct("100644") & 4.  An earlier refactoring 2c3af7e7 (cvsserver:
factor out git-log parsing logic, 2012-10-13) further changed it to
pick the third octal digit (10*0*644 or 10*0*755) from the left and
then do the above conversion, which does not make sense, either.

Let's use the third digit from the last of the octal mode string to
make sure we get the executable and read bits right.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
Tested-by: Michael Cronenworth <mike@cchtml.com>
2013-09-11 09:32:30 -07:00
Richard Hansen bb8040f9f9 use 'tree-ish' instead of 'treeish'
Replace 'treeish' in documentation and comments with 'tree-ish' to
match gitglossary(7).

The only remaining instances of 'treeish' are:
  * variable, function, and macro names
  * "(also treeish)" in the definition of tree-ish in gitglossary(7)

Signed-off-by: Richard Hansen <rhansen@bbn.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-09-04 15:02:56 -07:00
Stefano Lattarini 41ccfdd9c9 Correct common spelling mistakes in comments and tests
Most of these were found using Lucas De Marchi's codespell tool.

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Acked-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-12 13:38:40 -07:00
David Aguilar d2bb624c26 git-cvsimport: use a lowercase "usage:" string
Make the usage string consistent with Git.

Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-24 13:31:07 -08:00
Matthew Ogilvie 61717661e6 cvsserver: support -r and sticky tags for most operations
- Split off prepDirForOutput for "update" and "commit".
    Some low level protocol details were changed to more closely
    resemble CVS even in non-tagged cases.  Hopefully it still works
    with finicky clients like Eclipse.
  - Substantial changes to "diff".  The output is now closer to
    standard CVS (including exit status), and can be used as
    a patch, but there are still a number of differences compared
    to CVS.
  - Tweaks to "add", "remove", "status", and "commit".
  - FUTURE: CVS revision numbers for branches simply encode git
    commit IDs in a way that resembles CVS revision numbers,
    dropping all normal CVS structural relations between different
    revision numbers.
  - FUTURE: "log" doesn't try to work properly at all with branches
    and tags.
  - FUTURE: "annotate" probably doesn't work with branches or
    tags either (untested)?

Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:17:54 -07:00
Matthew Ogilvie d66e8f8cf3 cvsserver: Add version awareness to argsfromdir
Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:17:53 -07:00
Matthew Ogilvie bfdafa099e cvsserver: generalize getmeta() to recognize commit refs
This allows getmeta() to recognize any commitish (sha1,
tag/branch name, etc).

Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:17:53 -07:00
Matthew Ogilvie eb5dcb2c02 cvsserver: implement req_Sticky and related utilities
Nothing sets sticky yet, or uses the values set by this, but soon...

Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:17:52 -07:00
Matthew Ogilvie 658b57ad52 cvsserver: add misc commit lookup, file meta data, and file listing functions
These will be used soon, but not yet.

PERFORMANCE NOTE: getMetaFromCommithash() does not scale well as currently
implemented.  See comment for possible optimization strategies.
Fortunately, it will only be used in cases that would not have worked
at all before this change.

Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:17:51 -07:00
Matthew Ogilvie 51a7e6dbc9 cvsserver: define a tag name character escape mechanism
CVS tags are officially only allowed to use [-_0-9A-Za-f].  Git
refs commonly uses other characters, especially [./].  Such characters
need to be escaped from CVS in order to be referenced.

This just defines functions to escape/unescape names.  The functions
are not used yet.

Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:17:51 -07:00
Matthew Ogilvie 1899cbc5b2 cvsserver: cleanup extra slashes in filename arguments
Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:17:50 -07:00
Matthew Ogilvie 2c3af7e748 cvsserver: factor out git-log parsing logic
Some field conversion was already duplicated, and more calls will
be added soon.

Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:17:50 -07:00
Matthew Ogilvie abd66f2207 cvsserver status: provide real sticky info
Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:16:27 -07:00
Matthew Ogilvie bed8a19743 cvsserver: cvs add: do not expand directory arguments
Standard "cvs add" never does any recursion.  With standard
cvs, "cvs add dir" will either add just the "dir" to
the repository, or error out.  Prior to this change, git-cvsserver
would try to recurse (perhaps re-adding sandbox-removed files?) into
the existing directory instead.

Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:16:26 -07:00
Matthew Ogilvie ab07681fed cvsserver: use whole CVS rev number in-process; don't strip "1." prefix
Keep track of the whole CVS revision number in-process.  This will
clarify code when we start handling non-linear revision numbers later.

There is one externally visible change: conflict markers after
an update will now include the full CVS revision number,
including the "1." prefix.  It used to leave off the prefix.

Other than the conflict marker, this change doesn't effect
external functionality.  No new features, and the DB schema
is unchanged such that it continues to store just
the stripped rev numbers (without prefix).

Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:16:26 -07:00
Matthew Ogilvie 4d804c0e64 cvsserver: split up long lines in req_{status,diff,log}
Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:16:24 -07:00
Matthew Ogilvie 566c69e715 cvsserver: clean up client request handler map comments
- Comment that it should not be considered a complete list.
  - #'annotate' comment  - Uncommented annotate line is 2 lines earlier.

Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:16:23 -07:00
Matthew Ogilvie a86c0983d4 cvsserver: remove unused functions _headrev and gethistory
Remove:
   - _headrev() - It uses similar functionality from getmeta() and gethead().
   - gethistory() - It uses similar functions gethistorydense() and getlog().

Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:16:23 -07:00
Matthew Ogilvie d8574ff209 cvsserver update: comment about how we shouldn't remove a user-modified file
Instead of a comment, we should really add test cases and actually fix it.

Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:16:22 -07:00
Matthew Ogilvie 196e48f4d0 cvsserver: add comments about database schema/usage
No functionality changes, but these comments should make it easier to
understand how it works.

Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:16:21 -07:00
Matthew Ogilvie 39b6a4bd25 cvsserver: removed unused sha1Or-k mode from kopts_from_path
sha1Or-k was a vestige from an early, never-released
attempt to handle some oddball cases of CRLF conversion (-k option).
Ultimately it wasn't needed, and I should have gotten rid of it
before submitting the CRLF patch in the first place.

See also 90948a4289 (add ability to guess -kb from contents).

Signed-off-by: Matthew Ogilvie <mmogilvi_git@miniinfo.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-16 16:16:21 -07:00
Clemens Buchacher 87182b17ed use -h for synopsis and --help for manpage consistently
A few scripted Porcelain implementations pretend as if the routine to show
their own help messages are triggered upon "git cmd --help", but a command
line parser of "git" will hijack such a request and shows the manpage for
the cmd subcommand.

Leaving the code to handle such input is simply misleading.

Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-10-05 10:47:10 -07:00
Junio C Hamano 9b73ce74e6 Merge branch 'ab/require-perl-5.8'
* ab/require-perl-5.8:
  perl: use "use warnings" instead of -w
  perl: bump the required Perl version to 5.8 from 5.6.[21]
2010-10-26 21:57:31 -07:00
Junio C Hamano adc3192ef9 Martin Langhoff has a new e-mail address
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-06 12:08:48 -07:00
Ævar Arnfjörð Bjarmason d48b284183 perl: bump the required Perl version to 5.8 from 5.6.[21]
Formalize our dependency on perl 5.8, bumped from 5.6.[12]. We already
used the three-arg form of open() which was introduced in 5.6.1, but
t/t9700/test.pl explicitly depended on 5.6.2.

However git-add--interactive.pl has been failing on the 5.6 line since
it was introduced in v1.5.0-rc0~12^2~2 back in 2006 due to this open
syntax:

    sub run_cmd_pipe {
           my $fh = undef;
           open($fh, '-|', @_) or die;
           return <$fh>;
    }

Which when executed dies on "Can't use an undefined value as
filehandle reference". Several of our tests also fail on 5.6 (even
more when compiled with NO_PERL_MAKEMAKER=1):

    t2016-checkout-patch.sh
    t3904-stash-patch.sh
    t3701-add-interactive.sh
    t7105-reset-patch.sh
    t7501-commit.sh
    t9700-perl-git.sh

Our code is bitrotting on 5.6 with no-one interested in fixing it, and
pinning us to such an ancient release of Perl is keeping us from using
useful features introduced in the 5.8 release.

The 5.6 series is now over 10 years old, and the 5.6.2 maintenance
release almost 7. 5.8 on the other hand is more than 8 years old.

All the modern Unix-like operating systems have now upgraded to it or
a later version, and 5.8 packages are available for old IRIX, AIX
Solaris and Tru64 systems.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Tor Arntsen <tor@spacetec.no>
Acked-by: Randal L. Schwartz <merlyn@stonehenge.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-27 12:37:41 -07:00
Junio C Hamano d5cff17eda Merge branch 'eb/core-eol'
* eb/core-eol:
  Add "core.eol" config variable
  Rename the "crlf" attribute "text"
  Add per-repository eol normalization
  Add tests for per-repository eol normalization

Conflicts:
	Documentation/config.txt
	Makefile
2010-06-21 06:02:49 -07:00
Ævar Arnfjörð Bjarmason 1f0eb51391 git-cvsserver: fix error for invalid password formats
Change the error message to report the erroneous password
character. $1 was never set in the previos version, it was a leftover
from older code that used a regex for the test.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-06-20 21:58:26 -07:00
Ævar Arnfjörð Bjarmason fce338a543 git-cvsserver: typo in a comment: bas -> has
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-06-20 21:57:34 -07:00
Ævar Arnfjörð Bjarmason 475357a32a git-cvsserver: Improved error handling for pserver
- Produce an error if the user tries to supply a password for anonymous

  - Clarify the error message produced when there's no [gitcvs.authdb]

  - Produce an E error if the authdb doesn't exist instead of spewing
    $! to the user

  - do crypt($user, descramble($pass)) eq $hash; crypt($user, $hash)
    eq $hash would accept any password

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-05-19 21:02:59 -07:00
Ævar Arnfjörð Bjarmason 3052525eff git-cvsserver: indent & clean up authdb code
- Indent the last commit to fit with the rest of the code.

 - Use lexical filehandles instead of global globs

 - Close the filehandle after the password database has been read.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-05-19 21:02:59 -07:00
Sam Vilain c057bad370 git-cvsserver: use a password file cvsserver pserver
If a git repository is shared via HTTP, the config file is typically
visible.  Use an external file instead.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-05-19 21:02:59 -07:00
Ævar Arnfjörð Bjarmason 031a027a72 git-cvsserver: authentication support for pserver
Allow git-cvsserver to use authentication over pserver mode.  The
pserver user/password database is stored in the config file for each
repository.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Worriedly-Acked-by: Martin Langhoff <martin.langhoff@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-05-19 21:02:58 -07:00
Eyvind Bernhardsen 5ec3e67052 Rename the "crlf" attribute "text"
As discussed on the list, "crlf" is not an optimal name.  Linus
suggested "text", which is much better.

Signed-off-by: Eyvind Bernhardsen <eyvind.bernhardsen@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-05-19 20:42:34 -07:00
Junio C Hamano 811428e5b1 Merge branch 'gp/maint-cvsserver'
* gp/maint-cvsserver:
  git-cvsserver: allow regex metacharacters in CVSROOT
2010-01-28 00:46:33 -08:00
Gerrit Pape f9acaeae88 git-cvsserver: allow regex metacharacters in CVSROOT
When run in a repository with a path name containing regex metacharacters
(e.g. +), git-cvsserver failed to split the client request into CVSROOT
and module.  Now metacharacters are disabled for the value of CVSROOT in
the perl regex so that directory names containing metacharacters are
handled properly.

Signed-off-by: Gerrit Pape <pape@smarden.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-01-26 12:54:18 -08:00
Junio C Hamano df248216fd Merge branch 'pm/cvs-environ'
* pm/cvs-environ:
  CVS Server: Support reading base and roots from environment
2010-01-10 08:52:37 -08:00
Sergei Organov 8e4c4e7dc3 cvsserver: make the output of 'update' more compatible with cvs.
Native cvs update outputs the string "cvs update: Updating <DIR>" for
every directory it processes (to stderr) unless -q or -Q is given on
comman-line. This is used, e.g., by emacs pcl-cvs to split files by
directory. This commit implements this feature in cvsserver.

Signed-off-by: Sergei Organov <osv@javad.com>
Acked-by: Martin Langhoff <martin.langhoff@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-12-31 12:15:01 -08:00
Phil Miller 03bd0d601e CVS Server: Support reading base and roots from environment
The Gitosis single-account Git/ssh hosting system runs git commands
through git-shell after confirming that the connecting user is
authorized to access the requested repository. This works well for
upload-pack and receive-pack, which take a repository argument through
git-shell. This doesn't work so well for `cvs server', which is passed
through literally, with no arguments. Allowing arguments risks
sneaking in `--export-all', so that restriction should be maintained.

Despite that, passing a repository root is necessary for per-user
access control by the hosting software, and passing a base path
improves usability without weakening security. Thus, git-cvsserver
needs to come up with these values at runtime by some other
means. Since git-shell preserves the environment for other purposes,
the environment can carry these arguments as well.

Thus, modify git-cvsserver to read $GIT_CVSSERVER_{BASE_PATH,ROOT} in
the absence of equivalent command line arguments.

Signed-off-by: Phil Miller <mille121@illinois.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-12-30 14:08:09 -08:00
Gerrit Pape d2feb01aa5 git-cvsserver: no longer use deprecated 'git-subcommand' commands
git-cvsserver still references git commands like 'git-config', which
is depcrecated.  This commit changes git-cvsserver to use the
'git subcommand' form.

Sylvain Beucler reported the problem through
 http://bugs.debian.org/536067

Signed-off-by: Gerrit Pape <pape@smarden.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-09-02 18:41:42 -07:00
Stefan Karpinski ad8c3477b8 git-cvsserver: run post-update hook *after* update.
CVS server was running the hook before the update action was
actually done. This performs the update before the hook is called.

The original commit that introduced the current incorrect behavior
was 394d66d "git-cvsserver runs hooks/post-update". The error in
ordering of the hook call appears to have gone unnoticed, but since
git-cvsserver is supposed to emulate receive-pack, it stands to
reason that the hook should be run *after* the update. Since this
behavior is inconsistent with recieve-pack, users are either:

  1) not using post-update hooks with git-cvsserver;
  2) using post-update hooks that don't care whether they are
     called before or after the actual update occurs;
  3) using post-update hooks *only* with git-cvsserver, and
     relying on the hook being called just before the update.

This patch would affect only users in case 3. These users are
depending on fairly obviously wrong behavior, and moreover they can
simply change their current post-update into post-recieve hooks,
and their systems will work correctly again.

Signed-off-by: Stefan Karpinski <stefan.karpinski@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-01-30 21:11:46 -08:00
Stefan Karpinski 499cc56a60 git-cvsserver: handle CVS 'noop' command.
The CVS protocol documentation, found at

  http://www.wandisco.com/techpubs/cvs-protocol.pdf

states the following about the 'noop' command:

  Response expected: yes. This request is a null command
  in the sense that it doesn't do anything, but merely
  (as with any other requests expecting a response) sends
  back any responses pertaining to pending errors, pending
  Notified responses, etc.

In accordance with this, the correct way to handle the 'noop'
command, when issued by a client, is to call req_EMPTY.

The 'noop' command is called by some CVS clients, notably
TortoiseCVS, thus making it desirable for git-cvsserver to
respond to the command rather than choking on it as unknown.

Signed-off-by: Stefan Karpinski <stefan.karpinski@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-01-30 21:06:27 -08:00