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2011-12-21clone: the -o option has nothing to do with <branch>Carlos Martín Nieto1-2/+2
It is to give an alternate <name> instead of "origin" to the remote we are cloning from. Signed-off-by: Carlos Martín Nieto <cmn@elego.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-21builtin/log: remove redundant initializationMichael Schubert1-2/+0
"abbrev" and "commit_format" in struct rev_info get initialized in init_revisions - no need to reinit in cmd_log_init_defaults. Signed-off-by: Michael Schubert <mschub@elegosoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-21builtin/commit: add missing '/' in help messageMichael Schubert1-1/+1
Signed-off-by: Michael Schubert <mschub@elegosoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-20builtin/init-db.c: eliminate -Wformat warning on SolarisÆvar Arnfjörð Bjarmason1-1/+1
On Solaris systems we'd warn about an implicit cast of mode_t when we printed things out with the %d format. We'd get this warning under GCC 4.6.0 with Solaris headers: builtin/init-db.c: In function ‘separate_git_dir’: builtin/init-db.c:354:4: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘mode_t’ [-Wformat] We've been doing this ever since v1.7.4.1-296-gb57fb80. Just work around this by adding an explicit cast. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-18advice: Document that they all default to trueJunio C Hamano1-11/+8
By definition, the default value of "advice.*" variables must be true and they all control various additional help messages that are designed to aid new users. Setting one to false is to tell Git that the user understands the nature of the error and does not need the additional verbose help message. Also fix the asciidoc markup for linkgit:git-checkout[1] in the description of the detachedHead advice by removing an excess colon. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-16lf_to_crlf_filter(): tell the caller we added "\n" when drainingJunio C Hamano1-5/+7
This can only happen when the input size is multiple of the buffer size of the cascade filter (16k) and ends with an LF, but in such a case, the code forgot to tell the caller that it added the "\n" it could not add during the last round. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-14compat/setenv.c: error if name contains '='Erik Faye-Lund1-1/+1
According to POSIX, setenv should error out with EINVAL if it's asked to set an environment variable whose name contains an equals sign. Implement this detail in our compatibility-fallback. Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-14compat/setenv.c: update errno when erroring outErik Faye-Lund1-2/+8
Previously, gitsetenv didn't update errno as it should when erroring out. Fix this. Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-13Update draft release notes for 1.7.8.1Junio C Hamano2-1/+18
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-13Git 1.7.7.5v1.7.7.5Junio C Hamano4-3/+21
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-13Git 1.7.6.5v1.7.6.5Junio C Hamano4-3/+30
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-13blame: don't overflow time bufferJeff King1-1/+1
When showing the raw timestamp, we format the numeric seconds-since-epoch into a buffer, followed by the timezone string. This string has come straight from the commit object. A well-formed object should have a timezone string of only a few bytes, but we could be operating on data pushed by a malicious user. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-13http-push: enable "proactive auth"Jeff King6-6/+13
Before commit 986bbc08, git was proactive about asking for http passwords. It assumed that if you had a username in your URL, you would also want a password, and asked for it before making any http requests. However, this could interfere with the use of .netrc (see 986bbc08 for details). And it was also unnecessary, since the http fetching code had learned to recognize an HTTP 401 and prompt the user then. Furthermore, the proactive prompt could interfere with the usage of .netrc (see 986bbc08 for details). Unfortunately, the http push-over-DAV code never learned to recognize HTTP 401, and so was broken by this change. This patch does a quick fix of re-enabling the "proactive auth" strategy only for http-push, leaving the dumb http fetch and smart-http as-is. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-13t5540: test DAV push with authenticationJeff King2-0/+37
We don't currently test this case at all, and instead just test the DAV mechanism over an unauthenticated push. That isn't very realistic, as most people will want to authenticate pushes. Two of the tests expect_failure as they reveal bugs: 1. Pushing without a username in the URL fails to ask for credentials when we get an HTTP 401. This has always been the case, but it would be nice if it worked like smart-http. 2. Pushing with a username fails to ask for the password since 986bbc0 (http: don't always prompt for password, 2011-11-04). This is a severe regression in v1.7.8, as authenticated push-over-DAV is now totally unusable unless you have credentials in your .netrc. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-13connect.c: drop path_match functionJeff King2-22/+0
This function was used for comparing local and remote ref names during fetch (which makes it a candidate for "most confusingly named function of the year"). It no longer has any callers, so let's get rid of it. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-13fetch-pack: match refs exactlyJeff King2-4/+38
When we are determining the list of refs to fetch via fetch-pack, we have two sets of refs to compare: those on the remote side, and a "match" list of things we want to fetch. We iterate through the remote refs alphabetically, seeing if each one is wanted by the "match" list. Since def88e9 (Commit first cut at "git-fetch-pack", 2005-07-04), we have used the "path_match" function to do a suffix match, where a remote ref is considered wanted if any of the "match" elements is a suffix of the remote refname. This enables callers of fetch-pack to specify unqualified refs and have them matched up with remote refs (e.g., ask for "A" and get remote's "refs/heads/A"). However, if you provide a fully qualified ref, then there are corner cases where we provide the wrong answer. For example, given a remote with two refs: refs/foo/refs/heads/master refs/heads/master asking for "refs/heads/master" will first match "refs/foo/refs/heads/master" by the suffix rule, and we will erroneously fetch it instead of refs/heads/master. As it turns out, all callers of fetch_pack do provide fully-qualified refs for the match list. There are two ways fetch_pack can get match lists: 1. Through the transport code (i.e., via git-fetch) 2. On the command-line of git-fetch-pack In the first case, we will always be providing the names of fully-qualified refs from "struct ref" objects. We will have pre-matched those ref objects already (since we have to handle more advanced matching, like wildcard refspecs), and are just providing a list of the refs whose objects we need. In the second case, users could in theory be providing non-qualified refs on the command-line. However, the fetch-pack documentation claims that refs should be fully qualified (and has always done so since it was written in 2005). Let's change this path_match call to simply check for string equality, matching what the callers of fetch_pack are expecting. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-13t5500: give fully-qualified refs to fetch-packJeff King1-3/+3
The fetch-pack documentation is very clear that refs given on the command line are to be full refs: <refs>...:: The remote heads to update from. This is relative to $GIT_DIR (e.g. "HEAD", "refs/heads/master"). When unspecified, update from all heads the remote side has. and this has been the case since fetch-pack was originally documented in 8b3d9dc ([PATCH] Documentation: clone/fetch/upload., 2005-07-14). Let's follow our own documentation to set a good example, and to avoid breaking when this restriction is enforced in the next patch. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-13drop "match" parameter from get_remote_headsJeff King6-12/+7
The get_remote_heads function reads the list of remote refs during git protocol session. It dates all the way back to def88e9 (Commit first cut at "git-fetch-pack", 2005-07-04). At that time, the idea was to come up with a list of refs we were interested in, and then filter the list as we got it from the remote side. Later, 1baaae5 (Make maximal use of the remote refs, 2005-10-28) stopped filtering at the get_remote_heads layer, letting us use the non-matching refs to find common history. As a result, all callers now simply pass an empty match list (and any future callers will want to do the same). So let's drop these now-useless parameters. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12Update documentation for stripspaceConrad Irwin2-7/+64
Tell the user what this command is intended for, and expand the description of what it does. Signed-off-by: Conrad Irwin <conrad.irwin@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12mv: be quiet about overwritingJeff King1-1/+2
When a user asks us to force a mv and overwrite the destination, we print a warning. However, since a typical use would be: $ git mv one two fatal: destination exists, source=one, destination=two $ git mv -f one two warning: overwriting 'two' this warning is just noise. We already know we're overwriting; that's why we gave -f! This patch silences the warning unless "--verbose" is given. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12mv: improve overwrite warningJeff King1-1/+1
When we try to "git mv" over an existing file, the error message is fairly informative: $ git mv one two fatal: destination exists, source=one, destination=two When the user forces the overwrite, we give a warning: $ git mv -f one two warning: destination exists; will overwrite! This is less informative, but still sufficient in the simple rename case, as there is only one rename happening. But when moving files from one directory to another, it becomes useless: $ mkdir three $ touch one two three/one $ git add . $ git mv one two three fatal: destination exists, source=one, destination=three/one $ git mv -f one two three warning: destination exists; will overwrite! The first message is helpful, but the second one gives us no clue about what was overwritten. Let's mention the name of the destination file: $ git mv -f one two three warning: overwriting 'three/one' Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12revert: stop creating and removing sequencer-old directoryJonathan Nieder3-21/+7
Now that "git reset" no longer implicitly removes .git/sequencer that the operator may or may not have wanted to keep, the logic to write a backup copy of .git/sequencer and remove it when stale is not needed any more. Simplify the sequencer API and repository layout by dropping it. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12Revert "reset: Make reset remove the sequencer state"Jonathan Nieder3-55/+1
This reverts commit 95eb88d8ee588d89b4f06d2753ed4d16ab13b39f, which was a UI experiment that did not reflect how "git reset" actually gets used. The reversion also fixes a test, indicated in the patch. Encouraged-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12revert: do not remove state until sequence is finishedJonathan Nieder2-14/+4
As v1.7.8-rc0~141^2~4 (2011-08-04) explains, git cherry-pick removes the sequencer state just before applying the final patch. In the single-pick case, that was a good thing, since --abort and --continue work fine without access to such state and removing it provides a signal that git should not complain about the need to clobber it ("a cherry-pick or revert is already in progress") in sequences like the following: git cherry-pick foo git read-tree -m -u HEAD; # forget that; let's try a different one git cherry-pick bar After the recent patch "allow single-pick in the middle of cherry-pick sequence" we don't need that hack any more. In the new regime, a traditional "git cherry-pick <commit>" command never looks at .git/sequencer, so we do not need to cripple "git cherry-pick <commit>..<commit>" for it any more. So now you can run "git cherry-pick --abort" near the end of a multi-pick sequence and it will abort the entire sequence, instead of misbehaving and aborting just the final commit. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12revert: allow single-pick in the middle of cherry-pick sequenceJonathan Nieder2-0/+38
After messing up a difficult conflict resolution in the middle of a cherry-pick sequence, it can be useful to be able to git checkout HEAD . && git cherry-pick that-one-commit to restart the conflict resolution. The current code however errors out saying that another cherry-pick is already in progress. Suggested-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12revert: pass around rev-list args in already-parsed formJonathan Nieder2-24/+34
Since 7e2bfd3f (revert: allow cherry-picking more than one commit, 2010-07-02), the pick/revert machinery has kept track of the set of commits to be cherry-picked or reverted using commit_argc and commit_argv variables, storing the corresponding command-line parameters. Future callers as other commands are built in (am, rebase, sequencer) may find it easier to pass rev-list options to this machinery in already-parsed form. Teach cmd_cherry_pick and cmd_revert to parse the rev-list arguments in advance and pass the commit set to pick_revisions() as a rev_info structure. Original patch by Jonathan, tweaks and test from Ram. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Improved-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12revert: allow cherry-pick --continue to commit before resumingJonathan Nieder2-6/+156
When "git cherry-pick ..bar" encounters conflicts, permit the operator to use cherry-pick --continue after resolving them as a shortcut for "git commit && git cherry-pick --continue" to record the resolution and carry on with the rest of the sequence. This improves the analogy with "git rebase" (in olden days --continue was the way to preserve authorship when a rebase encountered conflicts) and fits well with a general UI goal of making "git cmd --continue" save humans the trouble of deciding what to do next. Example: after encountering a conflict from running "git cherry-pick foo bar baz": CONFLICT (content): Merge conflict in main.c error: could not apply f78a8d98c... bar! hint: after resolving the conflicts, mark the corrected paths hint: with 'git add <paths>' or 'git rm <paths>' hint: and commit the result with 'git commit' We edit main.c to resolve the conflict, mark it acceptable with "git add main.c", and can run "cherry-pick --continue" to resume the sequence. $ git cherry-pick --continue [editor opens to confirm commit message] [master 78c8a8c98] bar! 1 files changed, 1 insertions(+), 1 deletions(-) [master 87ca8798c] baz! 1 files changed, 1 insertions(+), 1 deletions(-) This is done for both codepaths to pick multiple commits and a single commit. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12revert: give --continue handling its own functionJonathan Nieder1-11/+17
This makes pick_revisions() a little shorter and easier to read straight through. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12mv: make non-directory destination error more clearJeff King1-1/+1
If you try to "git mv" multiple files onto another non-directory file, you confusingly get the "usage" message: $ touch one two three $ git add . $ git mv one two three usage: git mv [options] <source>... <destination> [...] From the user's perspective, that makes no sense. They just gave parameters that exactly match that usage! This behavior dates back to the original C version of "git mv", which had a usage message like: usage: git mv (<source> <destination> | <source>... <destination>) This was slightly less confusing, because it at least mentions that there are two ways to invoke (but it still isn't clear why what the user provided doesn't work). Instead, let's show an error message like: $ git mv one two three fatal: destination 'three' is not a directory We could leave the usage message in place, too, but it doesn't actually help here. It contains no hints that there are two forms, nor that multi-file form requires that the endpoint be a directory. So it just becomes useless noise that distracts from the real error. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12mv: honor --verbose flagJeff King2-2/+7
The code for a verbose flag has been here since "git mv" was converted to C many years ago, but actually getting the "-v" flag from the command line was accidentally lost in the transition. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12docs: mention "-k" for both forms of "git mv"Jeff King1-1/+1
The "git mv" synopsis shows two forms: renaming a file, and moving files into a directory. They can both make use of the "-k" flag to ignore errors, so mention it in both places. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-12compat/snprintf: don't look at va_list twiceJeff King1-2/+7
If you define SNPRINTF_RETURNS_BOGUS, we use a special git_vsnprintf wrapper assumes that vsnprintf returns "-1" instead of the number of characters that you would need to store the result. To do this, it invokes vsnprintf multiple times, growing a heap buffer until we have enough space to hold the result. However, this means we evaluate the va_list parameter multiple times, which is generally a bad thing (it may be modified by calls to vsnprintf, yielding undefined behavior). Instead, we must va_copy it and hand the copy to vsnprintf, so we always have a pristine va_list. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-09fetch: create status table using strbufJeff King1-38/+49
When we fetch from a remote, we print a status table like: From url * [new branch] foo -> origin/foo We create this table in a static buffer using sprintf. If the remote refnames are long, they can overflow this buffer and smash the stack. Instead, let's use a strbuf to build the string. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-09am: don't persist keepcr flagMartin von Zweigbergk1-7/+0
The keepcr flag is only used in the split_patches function, which is only called before a patch application has to stopped for user input, not after resuming. It is therefore unnecessary to persist the flag. This seems to have been the case since it was introduced in ad2c928 (git-am: Add command line parameter `--keep-cr` passing it to git-mailsplit, 2010-02-27). Signed-off-by: Martin von Zweigbergk <martin.von.zweigbergk@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-09mingw: give waitpid the correct signatureErik Faye-Lund2-2/+2
POSIX says that last parameter to waitpid should be 'int', so let's make it so. Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-08diff/status: print submodule path when looking for changes failsJens Lehmann1-2/+2
diff and status run "git status --porcelain" inside each populated submodule to see if it contains changes (unless told not to do so via config or command line option). When that fails, e.g. due to a corrupt submodule .git directory, it just prints "git status --porcelain failed" or "Could not run git status --porcelain" without giving the user a clue where that happened. Add '"in submodule %s", path' to these error strings to tell the user where exactly the problem occurred. Reported-by: Seth Robertson <in-gitvger@baka.org> Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-08git symbolic-ref: documentation fixMichael Haggerty1-6/+3
The old "git symbolic-ref" manpage seemed to imply in one place that symlinks are still the default way to represent symbolic references and in another that symlinks are deprecated. Fix the text and shorten the justification for the change of implementation. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-06userdiff: allow * between cpp funcname wordsThomas Rast1-1/+1
The cpp pattern, used for C and C++, would not match the start of a declaration such as static char *prepare_index(int argc, because it did not allow for * anywhere between the various words that constitute the modifiers, type and function name. Fix it. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-05enable SO_KEEPALIVE for connected TCP socketsEric Wong1-0/+13
Sockets may never receive notification of some link errors, causing "git fetch" or similar processes to hang forever. Enabling keepalive messages allows hung processes to error out after a few minutes/hours depending on the keepalive settings of the system. This is a problem noticed when running non-interactive cronjobs to mirror repositories using "git fetch". Signed-off-by: Eric Wong <normalperson@yhbt.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-05stripspace: fix outdated commentJeff King1-2/+0
The comment on top of stripspace() claims that the buffer will no longer be NUL-terminated. However, this has not been the case at least since the move to using strbuf in 2007. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-05Add MYMETA.yml to perl/.gitignoreSebastian Morr1-0/+1
This file is auto-generated by newer versions of ExtUtils::MakeMaker (presumably starting with the version shipping with Perl 5.14). It just contains extra information about the environment and arguments to the Makefile-building process, and should be ignored. Signed-off-by: Sebastian Morr <sebastian@morr.cc> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-05builtin/apply.c: report error on failure to recognize inputBrandon Casey2-5/+24
When git apply is passed something that is not a patch, it does not produce an error message or exit with a non-zero status if it was not actually "applying" the patch i.e. --check or --numstat etc were supplied on the command line. Fix this by producing an error when apply fails to find any hunks whatsoever while parsing the patch. This will cause some of the output formats (--numstat, --diffstat, etc) to produce an error when they formerly would have reported zero changes and exited successfully. That seems like the correct behavior though. Failure to recognize the input as a patch should be an error. Plus, add a test. Reported-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Brandon Casey <drafnel@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-05t/t4131-apply-fake-ancestor.sh: fix broken testBrandon Casey1-1/+1
The third test "apply --build-fake-ancestor in a subdirectory" has been broken since it was introduced. It intended to modify a tracked file named 'sub/3.t' and then produce a diff which could be git apply'ed, but the file named 'sub/3.t' does not exist. The file that exists in the repo is called 'sub/3'. Since no tracked files were modified, an empty diff was produced, and the test succeeded. Correct this test by supplying the intended name of the tracked file, 'sub/3.t', to test_commit in the first test. Signed-off-by: Brandon Casey <drafnel@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-05Documentation: fix formatting error in merge-options.txtJack Nagel1-1/+0
The first paragraph inside of a list item does not need a preceding line consisting of a single '+', and in fact this causes the text to be misrendered. Fix it. Signed-off-by: Jack Nagel <jacknagel@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-02Git 1.7.8v1.7.8Junio C Hamano3-11/+8
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-11-30rebase -i: interrupt rebase when "commit --amend" failed during "reword"Andrew Wong1-13/+23
"commit --amend" could fail in cases like the user empties the commit message, or pre-commit failed. When it fails, rebase should be interrupted and alert the user, rather than ignoring the error and continue on rebasing. This also gives users a way to gracefully interrupt a "reword" if they decided they actually want to do an "edit", or even "rebase --abort". Signed-off-by: Andrew Wong <andrew.kw.w@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-11-28fast-import: Fix incorrect fanout level when modifying existing notes refsJohan Herland2-7/+29
This fixes the bug uncovered by the tests added in the previous two patches. When an existing notes ref was loaded into the fast-import machinery, the num_notes counter associated with that ref remained == 0, even though the true number of notes in the loaded ref was higher. This caused a fanout level of 0 to be used, although the actual fanout of the tree could be > 0. Manipulating the notes tree at an incorrect fanout level causes removals to silently fail, and modifications of existing notes to instead produce an additional note (leaving the old object in place at a different fanout level). This patch fixes the bug by explicitly counting the number of notes in the notes tree whenever it looks like the num_notes counter could be wrong (when num_notes == 0). There may be false positives (i.e. triggering the counting when the notes tree is truly empty), but in those cases, the counting should not take long. Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-11-28t9301: Add 2nd testcase exposing bugs in fast-import's notes fanout handlingJohan Herland1-0/+54
The previous patch exposed a bug in fast-import where _removing_ an existing note fails (when that note resides on a non-zero fanout level, and was added prior to this fast-import run). This patch demostrates the same issue when _changing_ an existing note (subject to the same circumstances). Discovered-by: Henrik Grubbström <grubba@roxen.com> Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-11-28t9301: Fix testcase covering up a bug in fast-import's notes fanout handlingJohan Herland1-7/+6
There is a bug in fast-import where the fanout levels of an existing notes tree being loaded into the fast-import machinery is disregarded. Instead, any tree loaded is assumed to have a fanout level of 0. If the true fanout level is deeper, any attempt to remove a note from that tree will silently fail (as the note will not be found at fanout level 0). However, this bug was covered up by the way in which the t9301 testcase was written: When generating the fast-import commands to test mass removal of notes, we appended these commands to an already existing 'input' file which happened to already contain the fast-import commands used in the previous subtest to generate the very same notes tree. This would normally be harmless (but suboptimal) as the notes created were identical to the notes already present in the notes tree. But the act of repeating all the notes additions caused the internal fast-import data structures to recalculate the fanout, instead of hanging on to the initial (incorrect) fanout (that causes the bug described above). Thus, the subsequent removal of notes in the same 'input' file would succeed, thereby covering up the bug described above. This patch creates a new 'input' file instead of appending to the file from the previous subtest. Thus, we end up properly testing removal of notes that were added by a previous fast-import command. As a side effect, the notes removal can no longer refer to commits using the marks set by the previous fast-import run, instead the commits names must be referenced directly. The underlying fast-import bug is still present after this patch, but now we have at least uncovered it. Therefore, the affected subtests are labeled as expected failures until the underlying bug is fixed. Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-11-28Git 1.7.8-rc4v1.7.8-rc4Junio C Hamano2-2/+2
Signed-off-by: Junio C Hamano <gitster@pobox.com>