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2018-07-16t9000-t9999: fix broken &&-chainsLibravatar Eric Sunshine1-1/+1
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-27t/helper: merge test-chmtime into test-toolLibravatar Nguyễn Thái Ngọc Duy1-2/+2
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-12-16t: use nongit() function where applicableLibravatar Jeff King1-15/+2
Many tests want to run a command outside of any git repo; with the nongit() function this is now a one-liner. It saves a few lines, but more importantly, it's immediately obvious what the code is trying to accomplish. This doesn't convert every such case in the test suite; it just covers those that want to do a one-off command. Other cases, such as the ones in t4035, are part of a larger scheme of outside-repo files, and it's less confusing for them to stay consistent with the surrounding tests. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-08Merge branch 'ew/git-svn-http-tests'Libravatar Junio C Hamano1-2/+0
Tests for "git svn" have been taught to reuse the lib-httpd test infrastructure when testing the subversion integration that interacts with subversion repositories served over the http:// protocol. * ew/git-svn-http-tests: git svn: migrate tests to use lib-httpd t/t91*: do not say how to avoid the tests
2016-07-28t9100: portability fixLibravatar Junio C Hamano1-2/+4
Do not say "export VAR=VAL"; "VAR=VAL && export VAR" is always more portable. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-25t/t91*: do not say how to avoid the testsLibravatar Michael J Gruber1-2/+0
Some of the tests "say" how to stop the svn tests from running, some do not. The test suite is directed at people reading t/README where we keep all information about running the test suite (partly, with options etc.). Remove said "say" occurences. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Eric Wong <e@80x24.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-22git-svn: allow --version to work anywhereLibravatar Eric Wong1-0/+19
Checking the version of the installed SVN libraries should not require a git repository at all. This matches the behavior of "git --version". Add a test for "git svn help" for the same behavior while we're at it, too. Signed-off-by: Eric Wong <e@80x24.org>
2016-05-13t9100,t3419: enclose all test code in single-quotesLibravatar Jeff King1-14/+14
A few tests here use double-quotes around the snippets of shell code to run the tests. None of these tests wants to do any interpolation at all, and it just leads to an extra layer of quoting around all double-quotes and dollar signs inside the snippet. Let's switch to single quotes, like most other test scripts. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-13t/lib-git-svn: drop $remote_git_svn and $git_svn_idLibravatar Jeff King1-19/+19
These variables were added in 16805d3 (t/t91XX-svn: start removing use of "git-" from these tests, 2008-09-08) so that running: git grep git- would return fewer hits. At the time, we were transitioning away from the use of the "dashed" git-foo form. That transition has been over for years, and grepping for "git-" in the test suite yields thousands of hits anyway (all presumably false positives). With their original purpose gone, these variables serve only to obfuscate the tests. Let's get rid of them. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-17Merge branch 'mg/mingw-test-fix'Libravatar Junio C Hamano1-1/+2
An earlier adjustment of test mistakenly used write_script to prepare a file whose exact content matters for the test; reverting that part fixes the breakage for those who use SHELL_PATH that is different from /bin/sh. * mg/mingw-test-fix: t9100: fix breakage when SHELL_PATH is not /bin/sh
2016-02-17Merge branch 'js/mingw-tests'Libravatar Junio C Hamano1-9/+9
Test scripts have been updated to remove assumptions that are not portable between Git for POSIX and Git for Windows, or to skip ones with expectations that are not satisfiable on Git for Windows. * js/mingw-tests: (21 commits) gitignore: ignore generated test-fake-ssh executable mingw: do not bother to test funny file names mingw: skip a test in t9130 that cannot pass on Windows mingw: handle the missing POSIXPERM prereq in t9124 mingw: avoid illegal filename in t9118 mingw: mark t9100's test cases with appropriate prereqs t0008: avoid absolute path mingw: work around pwd issues in the tests mingw: fix t9700's assumption about directory separators mingw: skip test in t1508 that fails due to path conversion tests: turn off git-daemon tests if FIFOs are not available mingw: disable mkfifo-based tests mingw: accomodate t0060-path-utils for MSYS2 mingw: fix t5601-clone.sh mingw: let lstat() fail with errno == ENOTDIR when appropriate mingw: try to delete target directory before renaming mingw: prepare the TMPDIR environment variable for shell scripts mingw: factor out Windows specific environment setup Git.pm: stop assuming that absolute paths start with a slash mingw: do not trust MSYS2's MinGW gettext.sh ...
2016-02-08t9100: fix breakage when SHELL_PATH is not /bin/shLibravatar Michael J Gruber1-1/+2
bcb11f1 (mingw: mark t9100's test cases with appropriate prereqs, 2016-01-27) replaced "/bin/sh" in exec.sh by the shell specified in SHELL_PATH, but that breaks the subtest which checks for a specific checksum of a tree containing. Revert that change that was not explained in the commit message anyways (exec.sh is never executed). Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-01-28mingw: mark t9100's test cases with appropriate prereqsLibravatar Johannes Schindelin1-9/+9
Many a test requires either POSIXPERM (to change the executable bit) or SYMLINKS, and neither are available on Windows. This lets t9100-git-svn-basic.sh pass in Git for Windows' SDK. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-01-12t9100-git-svn-basic.sh: use the $( ... ) construct for command substitutionLibravatar Elia Pinto1-4/+4
The Git CodingGuidelines prefer the $(...) construct for command substitution instead of using the backquotes `...`. The backquoted form is the traditional method for command substitution, and is supported by POSIX. However, all but the simplest uses become complicated quickly. In particular, embedded command substitutions and/or the use of double quotes require careful escaping with the backslash character. The patch was generated by: for _f in $(find . -name "*.sh") do perl -i -pe 'BEGIN{undef $/;} s/`(.+?)`/\$(\1)/smg' "${_f}" done and then carefully proof-read. Signed-off-by: Elia Pinto <gitter.spiros@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-01-24git-svn: Simplify calculation of GIT_DIRLibravatar Barry Wardell1-0/+8
Since git-rev-parse already checks for the $GIT_DIR environment variable and that it returns an actual git repository, there is no need to repeat the checks again here. This also fixes a problem where git-svn did not work in cases where .git was a file with a gitdir: link. [ew: squashed test case, delay setting GIT_DIR until after `git rev-parse --cdup` to fix t9101, (thanks to Junio)] Signed-off-by: Barry Wardell <barry.wardell@gmail.com> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-02-21t9100: remove bogus " || test" after each test scriptletLibravatar Junio C Hamano1-5/+9
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-21git-svn.perl: fix a false-positive in the "already exists" testLibravatar Steven Walter1-15/+18
open_or_add_dir checks to see if the directory already exists or not. If it already exists and is not a directory, then we fail. However, open_or_add_dir did not previously account for the possibility that the path did exist as a file, but is deleted in the current commit. In order to prevent this legitimate case from failing, open_or_add_dir needs to know what files are deleted in the current commit. Unfortunately that information has to be plumbed through a couple of layers. Signed-off-by: Steven Walter <stevenrwalter@gmail.com> Acked-by: Eric Wong <normalperson@yhbt.net>
2010-09-27prefer test -h over test -L in shell scriptsLibravatar Jeff King1-3/+3
Even though "-L" is POSIX, the former is more portable, and we tend to prefer it already. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-09tests: subshell indentation stylefixLibravatar Jonathan Nieder1-10/+11
Format the subshells introduced by the previous patch (Several tests: cd inside subshell instead of around, 2010-09-06) like so: ( cd subdir && ... ) && This is generally easier to read and has the nice side-effect that this patch will show what commands are used in the subshell, making it easier to check for lost environment variables and similar behavior changes. Cc: Jens Lehmann <Jens.Lehmann@web.de> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-06Merge branch 'jl/maint-fix-test'Libravatar Junio C Hamano1-3/+3
* jl/maint-fix-test: Several tests: cd inside subshell instead of around Conflicts: t/t9600-cvsimport.sh
2010-09-06Several tests: cd inside subshell instead of aroundLibravatar Jens Lehmann1-3/+3
Fixed all places where it was a straightforward change from cd'ing into a directory and back via "cd .." to a cd inside a subshell. Found these places with "git grep -w "cd \.\.". Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-08-02git svn: fix dcommit to work with touched filesLibravatar David D. Kilzer1-0/+11
The dcommit command fails if an otherwise unmodified file has been touched in the working directory: Cannot dcommit with a dirty index. Commit your changes first, or stash them with `git stash'. This happens because "git diff-index" reports a difference between the index and the filesystem: :100644 100644 d00491...... 000000...... M file The fix is to run "git update-index --refresh" before "git diff-index" as is done in git-rebase and git-rebase--interactive before "git diff-files". This changes dcommit to display a list of modified files before exiting. Also add a similar test case for "git svn rebase". [ew: rearranged commit message subject] Signed-off-by: David D. Kilzer <ddkilzer@kilzer.net> Acked-by: Eric Wong <normalperson@yhbt.net>
2010-06-25tests: Skip tests in a way that makes sense under TAPLibravatar Ævar Arnfjörð Bjarmason1-1/+1
SKIP messages are now part of the TAP plan. A TAP harness now knows why a particular test was skipped and can report that information. The non-TAP harness built into Git's test-lib did nothing special with these messages, and is unaffected by these changes. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-06-25git-svn: let 'dcommit $rev' work on $rev instead of HEADLibravatar Thomas Rast1-0/+19
'git svn dcommit' takes an optional revision argument, but the meaning of it was rather scary. It completely ignored the current state of the HEAD, only looking at the revisions between SVN and $rev. If HEAD was attached to $branch, the branch lost all commits $rev..$branch in the process. Considering that 'git svn dcommit HEAD^' has the intuitive meaning "dcommit all changes on my branch except the last one", we change the meaning of the revision argument. git-svn temporarily checks out $rev for its work, meaning that * if a branch is specified, that branch (_not_ the HEAD) is rebased as part of the dcommit, * if some other revision is specified, as in the example, all work happens on a detached HEAD and no branch is affected. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Acked-by: Eric Wong <normalperson@yhbt.net>
2009-05-21git-svn testsuite: use standard configuration for Subversion toolsLibravatar Eygene Ryabinkin1-7/+7
I have tweaked configuration in my ~/.subversion directory, namely I am running auto-properties and automatically adding '$Id$' expansion to every file. This choke the last test named 'proplist' from t9101-git-svn-props.sh, because one more property, svn:keywords is automatically added. I had just wrapped svn invocation with the svn_cmd that specifies empty directory via --config-dir argument. Since the latter is the global option, it should be recognized by all svn subcommands, so no regressions will be introduced. Now svn_cmd is used everywhere, not just in the failed test module: this should guard us from the future clashes with user-defined configuration tweaks. Signed-off-by: Eygene Ryabinkin <rea-git@codelabs.ru> Acked-by: Eric Wong <normalperson@yhbt.net>
2009-03-22t9100, t9129: Use prerequisite tags for UTF-8 testsLibravatar Johannes Sixt1-21/+16
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
2008-11-06git-svn: proper detection of bare repositoriesLibravatar Deskin Miller1-0/+9
When in a bare repository (or .git, for that matter), git-svn would fail to initialise properly, since git rev-parse --show-cdup would not output anything. However, git rev-parse --show-cdup actually returns an error code if it's really not in a git directory. Fix the issue by checking for an explicit error from git rev-parse, and setting $git_dir appropriately if instead it just does not output. Signed-off-by: Deskin Miller <deskinm@umich.edu> Acked-by: Eric Wong <normalperson@yhbt.net>
2008-09-09tests: use "git foo" without dash in stringsLibravatar Nanako Shiraishi1-2/+2
This changes "git-foo" to "git foo" when message strings in tests name git subcommands. Signed-off-by: Nanako Shiraishi <nanako3@lavabit.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-09-08t/t91XX git-svn tests: run "git svn" not "git-svn"Libravatar Nanako Shiraishi1-24/+24
This replaces 'git-svn' with 'git svn' in the tests. Signed-off-by: Nanako Shiraishi <nanako3@lavabit.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-09-08t/t91XX-svn: start removing use of "git-" from these testsLibravatar Nanako Shiraishi1-19/+19
Subversion tests use too many "git-foo" form, so I am converting them in two steps. This first step replaces literal strings "remotes/git-svn" and "git-svn-id" by introducing $remotes_git_svn and $git_svn_id constants defined as shell variables. This will reduce the number of false hits from "git grep". Signed-off-by: Nanako Shiraishi <nanako3@lavabit.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-07-13t/: Use "test_must_fail git" instead of "! git"Libravatar Stephan Beyer1-6/+6
This patch changes every occurrence of "! git" -- with the meaning that a git call has to gracefully fail -- into "test_must_fail git". This is useful to - make sure the test does not fail because of a signal, e.g. SIGSEGV, and - advertise the use of "test_must_fail" for new tests. Signed-off-by: Stephan Beyer <s-beyer@gmx.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-07-09t9100-git-svn-basic.sh: Fix determination of utf-8 localeLibravatar Ramsay Jones1-4/+4
When setting the GIT_SVN_LC_ALL variable, default to the $LANG environment variable, when the $LC_ALL override is not set. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-05-24tests: do not use implicit "git diff --no-index"Libravatar Junio C Hamano1-3/+3
As a general principle, we should not use "git diff" to validate the results of what git command that is being tested has done. We would not know if we are testing the command in question, or locating a bug in the cute hack of "git diff --no-index". Rather use test_cmp for that purpose. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-05-05Fix tests breaking when checkout path contains shell metacharactersLibravatar Bryan Donlan1-60/+60
This fixes the remainder of the issues where the test script itself is at fault for failing when the git checkout path contains whitespace or other shell metacharacters. The majority of git svn tests used the idiom test_expect_success "title" "test script using $svnrepo" These were changed to have the test script in single-quotes: test_expect_success "title" 'test script using "$svnrepo"' which unfortunately makes the patch appear larger than it really is. One consequence of this change is that in the verbose test output the value of $svnrepo (and in some cases other variables, too) is no longer expanded, i.e. previously we saw * expecting success: test script using /path/to/git/t/trash/svnrepo but now it is: * expecting success: test script using "$svnrepo" Signed-off-by: Bryan Donlan <bdonlan@fushizen.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-02-01Sane use of test_expect_failureLibravatar Junio C Hamano1-14/+14
Originally, test_expect_failure was designed to be the opposite of test_expect_success, but this was a bad decision. Most tests run a series of commands that leads to the single command that needs to be tested, like this: test_expect_{success,failure} 'test title' ' setup1 && setup2 && setup3 && what is to be tested ' And expecting a failure exit from the whole sequence misses the point of writing tests. Your setup$N that are supposed to succeed may have failed without even reaching what you are trying to test. The only valid use of test_expect_failure is to check a trivial single command that is expected to fail, which is a minority in tests of Porcelain-ish commands. This large-ish patch rewrites all uses of test_expect_failure to use test_expect_success and rewrites the condition of what is tested, like this: test_expect_success 'test title' ' setup1 && setup2 && setup3 && ! this command should fail ' test_expect_failure is redefined to serve as a reminder that that test *should* succeed but due to a known breakage in git it currently does not pass. So if git-foo command should create a file 'bar' but you discovered a bug that it doesn't, you can write a test like this: test_expect_failure 'git-foo should create bar' ' rm -f bar && git foo && test -f bar ' This construct acts similar to test_expect_success, but instead of reporting "ok/FAIL" like test_expect_success does, the outcome is reported as "FIXED/still broken". Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-07-02Rewrite "git-frotz" to "git frotz"Libravatar Junio C Hamano1-6/+6
This uses the remove-dashes target to replace "git-frotz" to "git frotz". Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-05-13git-svn: don't attempt to minimize URLs by defaultLibravatar Eric Wong1-1/+1
For tracking branches and tags, git-svn prefers to connect to the root of the repository or at least the level that houses branches and tags as well as trunk. However, users that are accustomed to tracking a single directory have no use for this feature. As pointed out by Junio, users may not have permissions to connect to connect to a higher-level path in the repository. While the current minimize_url() function detects lack of permissions to certain paths _after_ successful logins, it cannot effectively determine if it is trying to access a login-only portion of a repo when the user expects to connect to a part where anonymous access is allowed. For people used to the git-svnimport switches of --trunk, --tags, --branches, they'll already pass the repository root (or root+subdirectory), so minimize URL isn't of too much use to them, either. For people *not* used to git-svnimport, git-svn also supports: git svn init --minimize-url \ --trunk http://repository-root/foo/trunk \ --branches http://repository-root/foo/branches \ --tags http://repository-root/foo/tags And this is where the new --minimize-url command-line switch comes in to allow for this behavior to continue working.
2007-03-04Get rid of the dependency to GNU diff in the testsLibravatar Johannes Schindelin1-3/+3
Now that "git diff" handles stdin and relative paths outside the working tree correctly, we can convert all instances of "diff -u" to "git diff". This commit is really the result of $ perl -pi.bak -e 's/diff -u/git diff/' $(git grep -l "diff -u" t/) Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net> (cherry picked from commit c699a40d68215c7e44a5b26117a35c8a56fbd387)
2007-02-23t910*: s/repo-config/config/g; poke around possible race conditionsLibravatar Eric Wong1-4/+4
Some of the repo-config => config renaming missed the git-svn tests; so I'm just renaming them to be consisten with the rest of the modern git. Also, some of the newer tests didn't have 'poke' in them to workaround race conditions on fast machines. This adds places where they can _possibly_ occur; but I don't have fast enough hardware to trigger them. Signed-off-by: Eric Wong <normalperson@yhbt.net>
2007-02-23git-svn: just name the default svn-remote "svn" instead of "git-svn"Libravatar Eric Wong1-4/+4
It can be confusing and redundant, since historically the default remote ref (not remote itself) has been "git-svn", too. Signed-off-by: Eric Wong <normalperson@yhbt.net>
2007-02-23git-svn: fix committing to subdirectories, add testsLibravatar Eric Wong1-0/+29
I broke this part with the URL minimization; since git-svn will now try to connect to the root of the repository and will end up writing files there if it can... Signed-off-by: Eric Wong <normalperson@yhbt.net>
2007-02-23git-svn: avoid tracking change-less revisionsLibravatar Eric Wong1-2/+0
They simply aren't interesting to track, and this will allow us to avoid get_log(). Since r0 is covered by this, we need to update the tests to not rely on r0 (which is always empty). Signed-off-by: Eric Wong <normalperson@yhbt.net>
2007-02-23git-svn: 'init' attempts to connect to the repository root if possibleLibravatar Eric Wong1-1/+13
This allows connections to be used more efficiently and not require users to run 'git-svn migrate --minimize' for new repositories. Signed-off-by: Eric Wong <normalperson@yhbt.net>
2007-02-23git-svn: disallow ambigious local refspecsLibravatar Eric Wong1-0/+11
Having multiple fetch refspecs pointing to the same local ref would be a very bad thing. Start avoiding the use of fatal() or exit() inside the modules so we can libify more easily. Signed-off-by: Eric Wong <normalperson@yhbt.net>
2006-12-31git-svn: t/t9100-git-svn-basic: remove old check for NO_SYMLINKLibravatar Eric Wong1-49/+35
We don't support the svn command-line client anymore; nor do we support anything before SVN 1.1.0, so we can be certain symlinks will be supported in the SVN repository. Signed-off-by: Eric Wong <normalperson@yhbt.net> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-12-26git-svn: quiet down tests and fix some unportable shell constructsLibravatar Eric Wong1-131/+127
The latest changes to git-commit have made it more verbose; and I was running the setup of the tests outside of the test_expect_*, so errors in those were not caught. Now we move them to where they can be eval'ed and have their output trapped. export var=value has been removed Signed-off-by: Eric Wong <normalperson@yhbt.net> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-12-16git-svn: rename 'commit' command to 'set-tree'Libravatar Eric Wong1-11/+11
'set-tree' probably accurately describes what the command formerly known as 'commit' does. I'm not entirely sure that 'dcommit' should be renamed to 'commit' just yet... Perhaps 'push' or 'push-changes'? Signed-off-by: Eric Wong <normalperson@yhbt.net> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-12-16git-svn: remove support for the svn command-line clientLibravatar Eric Wong1-3/+1
Using the command-line client was great for prototyping and getting something working quickly. Eventually I found time to study the library documentation and add support for using the libraries which are much faster and more flexible when it comes to supporting new features. Note that we require version 1.1 of the SVN libraries, whereas we supported the command-line svn client down to version 1.0. Signed-off-by: Eric Wong <normalperson@yhbt.net> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-11-27git-svn: update tests for recent changesLibravatar Eric Wong1-0/+5
* Enable test for delta transfers in full-svn-test. * Run tests against the root of the repository so we won't have to revisit 308906fa6e98132cab839a4f42701386fba368ef and efe4631def181d32f932672a7ea31e52ee0ab308 again. The graft-branches test still runs as before. Signed-off-by: Eric Wong <normalperson@yhbt.net> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-08-02Remove cmd_usage() routine and re-organize the help/usage code.Libravatar Ramsay Allan Jones1-4/+3
The cmd_usage() routine was causing warning messages due to a NULL format parameter being passed in three out of four calls. This is a problem if you want to compile with -Werror. A simple solution is to simply remove the GNU __attribute__ format pragma from the cmd_usage() declaration in the header file. The function interface was somewhat muddled anyway, so re-write the code to finesse the problem. [jc: this incidentally revealed that t9100 test assumed that the output from "git help" to be fixed in stone, but this patch lower-cases "Usage" to "usage". Update the test not to rely on "git help" output.] Signed-off-by: Ramsay Allan Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Junio C Hamano <junkio@cox.net>