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2017-01-17Merge branch 'jc/pull-rebase-ff' into maintLibravatar Junio C Hamano1-0/+17
"git pull --rebase", when there is no new commits on our side since we forked from the upstream, should be able to fast-forward without invoking "git rebase", but it didn't. * jc/pull-rebase-ff: pull: fast-forward "pull --rebase=true"
2017-01-17Merge branch 'ak/commit-only-allow-empty' into maintLibravatar Junio C Hamano1-0/+9
"git commit --allow-empty --only" (no pathspec) with dirty index ought to be an acceptable way to create a new commit that does not change any paths, but it was forbidden, perhaps because nobody needed it so far. * ak/commit-only-allow-empty: commit: remove 'Clever' message for --only --amend commit: make --only --allow-empty work without paths
2017-01-17Merge branch 'da/difftool-dir-diff-fix' into maintLibravatar Junio C Hamano1-3/+41
"git difftool --dir-diff" had a minor regression when started from a subdirectory, which has been fixed. * da/difftool-dir-diff-fix: difftool: fix dir-diff index creation when in a subdirectory
2017-01-17Merge branch 'jb/diff-no-index-no-abbrev' into maintLibravatar Junio C Hamano7-0/+34
"git diff --no-index" did not take "--no-abbrev" option. * jb/diff-no-index-no-abbrev: diff: handle --no-abbrev in no-index case
2017-01-17Merge branch 'jk/stash-disable-renames-internally' into maintLibravatar Junio C Hamano1-0/+9
When diff.renames configuration is on (and with Git 2.9 and later, it is enabled by default, which made it worse), "git stash" misbehaved if a file is removed and another file with a very similar content is added. * jk/stash-disable-renames-internally: stash: prefer plumbing over git-diff
2017-01-17Merge branch 'jk/http-walker-limit-redirect' into maintLibravatar Junio C Hamano4-0/+80
Update the error messages from the dumb-http client when it fails to obtain loose objects; we used to give sensible error message only upon 404 but we now forbid unexpected redirects that needs to be reported with something sensible. * jk/http-walker-limit-redirect: http-walker: complain about non-404 loose object errors http: treat http-alternates like redirects http: make redirects more obvious remote-curl: rename shadowed options variable http: always update the base URL for redirects http: simplify update_url_from_redirect
2017-01-17Merge branch 'jc/renormalize-merge-kill-safer-crlf' into maintLibravatar Junio C Hamano1-0/+12
Fix a corner case in merge-recursive regression that crept in during 2.10 development cycle. * jc/renormalize-merge-kill-safer-crlf: convert: git cherry-pick -Xrenormalize did not work merge-recursive: handle NULL in add_cacheinfo() correctly cherry-pick: demonstrate a segmentation fault
2017-01-17Merge branch 'ls/p4-empty-file-on-lfs' into maintLibravatar Junio C Hamano1-0/+2
"git p4" LFS support was broken when LFS stores an empty blob. * ls/p4-empty-file-on-lfs: git-p4: fix empty file processing for large file system backend GitLFS
2017-01-17Merge branch 'nd/worktree-list-fixup' into maintLibravatar Junio C Hamano1-0/+40
The output from "git worktree list" was made in readdir() order, and was unstable. * nd/worktree-list-fixup: worktree list: keep the list sorted worktree.c: get_worktrees() takes a new flag argument get_worktrees() must return main worktree as first item even on error worktree: reorder an if statement worktree.c: zero new 'struct worktree' on allocation
2017-01-17Merge branch 'bw/push-dry-run' into maintLibravatar Junio C Hamano1-0/+24
"git push --dry-run --recurse-submodule=on-demand" wasn't "--dry-run" in the submodules. * bw/push-dry-run: push: fix --dry-run to not push submodules push: --dry-run updates submodules when --recurse-submodules=on-demand
2017-01-17Merge branch 'dt/empty-submodule-in-merge' into maintLibravatar Junio C Hamano2-5/+2
An empty directory in a working tree that can simply be nuked used to interfere while merging or cherry-picking a change to create a submodule directory there, which has been fixed.. * dt/empty-submodule-in-merge: submodules: allow empty working-tree dirs in merge/cherry-pick
2017-01-17Merge branch 'jk/rev-parse-symbolic-parents-fix' into maintLibravatar Junio C Hamano1-0/+18
"git rev-parse --symbolic" failed with a more recent notation like "HEAD^-1" and "HEAD^!". * jk/rev-parse-symbolic-parents-fix: rev-parse: fix parent shorthands with --symbolic
2016-12-08diff: handle --no-abbrev in no-index caseLibravatar Jack Bates7-0/+34
There are two different places where the --no-abbrev option is parsed, and two different places where SHA-1s are abbreviated. We normally parse --no-abbrev with setup_revisions(), but in the no-index case, "git diff" calls diff_opt_parse() directly, and diff_opt_parse() didn't handle --no-abbrev until now. (It did handle --abbrev, however.) We normally abbreviate SHA-1s with find_unique_abbrev(), but commit 4f03666 ("diff: handle sha1 abbreviations outside of repository, 2016-10-20) recently introduced a special case when you run "git diff" outside of a repository. setup_revisions() does also call diff_opt_parse(), but not for --abbrev or --no-abbrev, which it handles itself. setup_revisions() sets rev_info->abbrev, and later copies that to diff_options->abbrev. It handles --no-abbrev by setting abbrev to zero. (This change doesn't touch that.) Setting abbrev to zero was broken in the outside-of-a-repository special case, which until now resulted in a truly zero-length SHA-1, rather than taking zero to mean do not abbreviate. The only way to trigger this bug, however, was by running "git diff --raw" without either the --abbrev or --no-abbrev options, because 1) without --raw it doesn't respect abbrev (which is bizarre, but has been that way forever), 2) we silently clamp --abbrev=0 to MINIMUM_ABBREV, and 3) --no-abbrev wasn't handled until now. The outside-of-a-repository case is one of three no-index cases. The other two are when one of the files you're comparing is outside of the repository you're in, and the --no-index option. Signed-off-by: Jack Bates <jack@nottheoilrig.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-12-08difftool: fix dir-diff index creation when in a subdirectoryLibravatar David Aguilar1-3/+41
9ec26e7977 (difftool: fix argument handling in subdirs, 2016-07-18) corrected how path arguments are handled in a subdirectory, but it introduced a regression in how entries outside of the subdirectory are handled by dir-diff. When preparing the right-side of the diff we only include the changed paths in the temporary area. The left side of the diff is constructed from a temporary index that is built from the same set of changed files, but it was being constructed from within the subdirectory. This is a problem because the indexed paths are toplevel-relative, and thus they were not getting added to the index. Teach difftool to chdir to the toplevel of the repository before preparing its temporary indexes. This ensures that all of the toplevel-relative paths are valid. Add test cases to more thoroughly exercise this scenario. Reported-by: Frank Becker <fb@mooflu.com> Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-12-06stash: prefer plumbing over git-diffLibravatar Jeff King1-0/+9
When creating a stash, we need to look at the diff between the working tree and HEAD, and do so using the git-diff porcelain. Because git-diff enables porcelain config like renames by default, this causes at least one problem. The --name-only format will not mention the source side of a rename, meaning we will fail to stash a deletion that is part of a rename. We could fix that case by passing --no-renames, but this is a symptom of a larger problem. We should be using the diff-index plumbing here, which does not have renames enabled by default, and also does not respect any potentially confusing config options. Reported-by: Matthew Patey <matthew.patey2167@gmail.com> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-12-06http: treat http-alternates like redirectsLibravatar Jeff King1-0/+38
The previous commit made HTTP redirects more obvious and tightened up the default behavior. However, there's another way for a server to ask a git client to fetch arbitrary content: by having an http-alternates file (or a regular alternates file, which is used as a backup). Similar to the HTTP redirect case, a malicious server can claim to have refs pointing at object X, return a 404 when the client asks for X, but point to some other URL via http-alternates, which the client will transparently fetch. The end result is that it looks from the user's perspective like the objects came from the malicious server, as the other URL is not mentioned at all. Worse, because we feed the new URL to curl ourselves, the usual protocol restrictions do not kick in (neither curl's default of disallowing file://, nor the protocol whitelisting in f4113cac0 (http: limit redirection to protocol-whitelist, 2015-09-22). Let's apply the same rules here as we do for HTTP redirects. Namely: - unless http.followRedirects is set to "always", we will not follow remote redirects from http-alternates (or alternates) at all - set CURLOPT_PROTOCOLS alongside CURLOPT_REDIR_PROTOCOLS restrict ourselves to a known-safe set and respect any user-provided whitelist. - mention alternate object stores on stderr so that the user is aware another source of objects may be involved The first item may prove to be too restrictive. The most common use of alternates is to point to another path on the same server. While it's possible for a single-server redirect to be an attack, it takes a fairly obscure setup (victim and evil repository on the same host, host speaks dumb http, and evil repository has access to edit its own http-alternates file). So we could make the checks more specific, and only cover cross-server redirects. But that means parsing the URLs ourselves, rather than letting curl handle them. This patch goes for the simpler approach. Given that they are only used with dumb http, http-alternates are probably pretty rare. And there's an escape hatch: the user can allow redirects on a specific server by setting http.<url>.followRedirects to "always". Reported-by: Jann Horn <jannh@google.com> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-12-06http: make redirects more obviousLibravatar Jeff King2-0/+29
We instruct curl to always follow HTTP redirects. This is convenient, but it creates opportunities for malicious servers to create confusing situations. For instance, imagine Alice is a git user with access to a private repository on Bob's server. Mallory runs her own server and wants to access objects from Bob's repository. Mallory may try a few tricks that involve asking Alice to clone from her, build on top, and then push the result: 1. Mallory may simply redirect all fetch requests to Bob's server. Git will transparently follow those redirects and fetch Bob's history, which Alice may believe she got from Mallory. The subsequent push seems like it is just feeding Mallory back her own objects, but is actually leaking Bob's objects. There is nothing in git's output to indicate that Bob's repository was involved at all. The downside (for Mallory) of this attack is that Alice will have received Bob's entire repository, and is likely to notice that when building on top of it. 2. If Mallory happens to know the sha1 of some object X in Bob's repository, she can instead build her own history that references that object. She then runs a dumb http server, and Alice's client will fetch each object individually. When it asks for X, Mallory redirects her to Bob's server. The end result is that Alice obtains objects from Bob, but they may be buried deep in history. Alice is less likely to notice. Both of these attacks are fairly hard to pull off. There's a social component in getting Mallory to convince Alice to work with her. Alice may be prompted for credentials in accessing Bob's repository (but not always, if she is using a credential helper that caches). Attack (1) requires a certain amount of obliviousness on Alice's part while making a new commit. Attack (2) requires that Mallory knows a sha1 in Bob's repository, that Bob's server supports dumb http, and that the object in question is loose on Bob's server. But we can probably make things a bit more obvious without any loss of functionality. This patch does two things to that end. First, when we encounter a whole-repo redirect during the initial ref discovery, we now inform the user on stderr, making attack (1) much more obvious. Second, the decision to follow redirects is now configurable. The truly paranoid can set the new http.followRedirects to false to avoid any redirection entirely. But for a more practical default, we will disallow redirects only after the initial ref discovery. This is enough to thwart attacks similar to (2), while still allowing the common use of redirects at the repository level. Since c93c92f30 (http: update base URLs when we see redirects, 2013-09-28) we re-root all further requests from the redirect destination, which should generally mean that no further redirection is necessary. As an escape hatch, in case there really is a server that needs to redirect individual requests, the user can set http.followRedirects to "true" (and this can be done on a per-server basis via http.*.followRedirects config). Reported-by: Jann Horn <jannh@google.com> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-12-06http: always update the base URL for redirectsLibravatar Jeff King3-0/+13
If a malicious server redirects the initial ref advertisement, it may be able to leak sha1s from other, unrelated servers that the client has access to. For example, imagine that Alice is a git user, she has access to a private repository on a server hosted by Bob, and Mallory runs a malicious server and wants to find out about Bob's private repository. Mallory asks Alice to clone an unrelated repository from her over HTTP. When Alice's client contacts Mallory's server for the initial ref advertisement, the server issues an HTTP redirect for Bob's server. Alice contacts Bob's server and gets the ref advertisement for the private repository. If there is anything to fetch, she then follows up by asking the server for one or more sha1 objects. But who is the server? If it is still Mallory's server, then Alice will leak the existence of those sha1s to her. Since commit c93c92f30 (http: update base URLs when we see redirects, 2013-09-28), the client usually rewrites the base URL such that all further requests will go to Bob's server. But this is done by textually matching the URL. If we were originally looking for "http://mallory/repo.git/info/refs", and we got pointed at "http://bob/other.git/info/refs", then we know that the right root is "http://bob/other.git". If the redirect appears to change more than just the root, we punt and continue to use the original server. E.g., imagine the redirect adds a URL component that Bob's server will ignore, like "http://bob/other.git/info/refs?dummy=1". We can solve this by aborting in this case rather than silently continuing to use Mallory's server. In addition to protecting from sha1 leakage, it's arguably safer and more sane to refuse a confusing redirect like that in general. For example, part of the motivation in c93c92f30 is avoiding accidentally sending credentials over clear http, just to get a response that says "try again over https". So even in a non-malicious case, we'd prefer to err on the side of caution. The downside is that it's possible this will break a legitimate but complicated server-side redirection scheme. The setup given in the newly added test does work, but it's convoluted enough that we don't need to care about it. A more plausible case would be a server which redirects a request for "info/refs?service=git-upload-pack" to just "info/refs" (because it does not do smart HTTP, and for some reason really dislikes query parameters). Right now we would transparently downgrade to dumb-http, but with this patch, we'd complain (and the user would have to set GIT_SMART_HTTP=0 to fetch). Reported-by: Jann Horn <jannh@google.com> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-12-05git-p4: fix empty file processing for large file system backend GitLFSLibravatar Lars Schneider1-0/+2
If git-p4 tried to store an empty file in GitLFS then it crashed while parsing the pointer file: oid = re.search(r'^oid \w+:(\w+)', pointerFile, re.MULTILINE).group(1) AttributeError: 'NoneType' object has no attribute 'group' This happens because GitLFS does not create a pointer file for an empty file. Teach git-p4 this behavior to fix the problem and add a test case. Signed-off-by: Lars Schneider <larsxschneider@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-12-05commit: make --only --allow-empty work without pathsLibravatar Andreas Krey1-0/+9
--only is implied when paths are present, and required them unless --amend. But with --allow-empty it should be allowed as well - it is the only way to create an empty commit in the presence of staged changes. Signed-off-by: Andreas Krey <a.krey@gmx.de> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-12-01Merge branch 'tb/t0027-raciness-fix' into jc/renormalize-merge-kill-safer-crlfLibravatar Junio C Hamano1-3/+3
* tb/t0027-raciness-fix: convert: Correct NNO tests and missing `LF will be replaced by CRLF`
2016-11-29pull: fast-forward "pull --rebase=true"Libravatar Junio C Hamano1-0/+17
"git pull --rebase" always runs "git rebase" after fetching the commit to serve as the new base, even when the new base is a descendant of the current HEAD, i.e. we haven't done any work. In such a case, we can instead fast-forward to the new base without invoking the rebase process. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-28worktree list: keep the list sortedLibravatar Nguyễn Thái Ngọc Duy1-0/+19
It makes it easier to write tests for. But it should also be good for the user since locating a worktree by eye would be easier once they notice this. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-28get_worktrees() must return main worktree as first item even on errorLibravatar Nguyễn Thái Ngọc Duy1-0/+21
This is required by git-worktree.txt, stating that the main worktree is the first line (especially in --porcelain mode when we can't just change behavior at will). There's only one case when get_worktrees() may skip main worktree, when parse_ref() fails. Update the code so that we keep first item as main worktree and return something sensible in this case: - In user-friendly mode, since we're not constraint by anything, returning "(error)" should do the job (we already show "(detached HEAD)" which is not machine-friendly). Actually errors should be printed on stderr by parse_ref() (*) - In plumbing mode, we do not show neither 'bare', 'detached' or 'branch ...', which is possible by the format description if I read it right. Careful readers may realize that when the local variable "head_ref" in get_main_worktree() is emptied, add_head_info() will do nothing to wt->head_sha1. But that's ok because head_sha1 is zero-ized in the previous patch. (*) Well, it does not. But it's supposed to be a stop gap implementation until we can reuse refs code to parse "ref: " stuff in HEAD, from resolve_refs_unsafe(). Now may be the time since refs refactoring is mostly done. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-28merge-recursive: handle NULL in add_cacheinfo() correctlyLibravatar Johannes Schindelin1-1/+1
1335d76e45 ("merge: avoid "safer crlf" during recording of merge results", 2016-07-08) tried to split make_cache_entry() call made with CE_MATCH_REFRESH into a call to make_cache_entry() without one, followed by a call to add_cache_entry(), refresh_cache() and another add_cache_entry() as needed. However the conversion was botched in that it forgot that refresh_cache() can return NULL, which was handled correctly in make_cache_entry() but in the updated code. This fixes https://github.com/git-for-windows/git/issues/952 Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-28cherry-pick: demonstrate a segmentation faultLibravatar Johannes Schindelin1-0/+12
In https://github.com/git-for-windows/git/issues/952, a complicated scenario was described that leads to a segmentation fault in cherry-pick. It boils down to a certain code path involving a renamed file that is dirty, for which `refresh_cache_entry()` returns `NULL`, and that `NULL` not being handled properly. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-23Merge branch 'jc/setup-cleanup-fix'Libravatar Junio C Hamano2-3/+45
"git archive" and "git mailinfo" stopped reading from local configuration file with a recent update. * jc/setup-cleanup-fix: archive: read local configuration mailinfo: read local configuration
2016-11-23Merge branch 'js/rebase-i-commentchar-fix'Libravatar Junio C Hamano2-0/+20
"git rebase -i" did not work well with core.commentchar configuration variable for two reasons, both of which have been fixed. * js/rebase-i-commentchar-fix: rebase -i: handle core.commentChar=auto stripspace: respect repository config rebase -i: highlight problems with core.commentchar
2016-11-23Merge branch 'jc/for-each-ref-head-segfault-fix'Libravatar Junio C Hamano1-0/+10
Using a %(HEAD) placeholder in "for-each-ref --format=" option caused the command to segfault when on an unborn branch. * jc/for-each-ref-head-segfault-fix: for-each-ref: do not segv with %(HEAD) on an unborn branch
2016-11-23push: fix --dry-run to not push submodulesLibravatar Brandon Williams1-1/+1
Teach push to respect the --dry-run option when configured to recursively push submodules 'on-demand'. This is done by passing the --dry-run flag to the child process which performs a push for a submodules when performing a dry-run. In order to preserve good user experience, the additional check for unpushed submodules is skipped during a dry-run when --recurse-submodules=on-demand. The check is skipped because the submodule pushes were performed as dry-runs and this check would always fail as the submodules would still need to be pushed. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-23push: --dry-run updates submodules when --recurse-submodules=on-demandLibravatar Brandon Williams1-0/+24
This patch adds a test to illustrate how push run with --dry-run doesn't actually perform a dry-run when push is configured to push submodules on-demand. Instead all submodules which need to be pushed are actually pushed to their remotes while any updates for the superproject are performed as a dry-run. This is a bug and not the intended behaviour of a dry-run. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-22archive: read local configurationLibravatar Junio C Hamano1-3/+32
Since b9605bc4f2 ("config: only read .git/config from configured repos", 2016-09-12), we do not read from ".git/config" unless we know we are in a repository. "git archive" however didn't do the repository discovery and instead relied on the old behaviour. Teach the command to run a "gentle" version of repository discovery so that local configuration variables are honoured. [jc: stole tests from peff] Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-22mailinfo: read local configurationLibravatar Junio C Hamano1-0/+13
Since b9605bc4f2 ("config: only read .git/config from configured repos", 2016-09-12), we do not read from ".git/config" unless we know we are in a repository. "git mailinfo" however didn't do the repository discovery and instead relied on the old behaviour. This was mostly OK because it was merely run as a helper program by other porcelain scripts that first chdir's up to the root of the working tree. Teach the command to run a "gentle" version of repository discovery so that local configuration variables like mailinfo.scissors are honoured. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-21rebase -i: handle core.commentChar=autoLibravatar Johannes Schindelin1-1/+1
When 84c9dc2 (commit: allow core.commentChar=auto for character auto selection, 2014-05-17) extended the core.commentChar functionality to allow for the value 'auto', it forgot that rebase -i was already taught to handle core.commentChar, and in turn forgot to let rebase -i handle that new value gracefully. Reported by Taufiq Hoven. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-21stripspace: respect repository configLibravatar Johannes Schindelin1-1/+1
The way "git stripspace" reads the configuration was not quite kosher, in that the code forgot to probe for a possibly existing repository (note: stripspace is designed to be usable outside the repository as well). It read .git/config only when it was run from the top-level of the working tree by accident. A recent change b9605bc4f2 ("config: only read .git/config from configured repos", 2016-09-12) stopped reading the repository-local configuration file ".git/config" unless the repository discovery process is done, so that .git/config is never read even when run from the top-level, exposing the old bug more. When rebasing interactively with a commentChar defined in the current repository's config, the help text at the bottom of the edit script potentially used an incorrect comment character. This was not only funny-looking, but also resulted in tons of warnings like this one: Warning: the command isn't recognized in the following line - # Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-21rebase -i: highlight problems with core.commentcharLibravatar Johannes Schindelin2-0/+20
The interactive rebase does not currently play well with core.commentchar. Let's add some tests to highlight those problems that will be fixed in the remainder of the series. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-18for-each-ref: do not segv with %(HEAD) on an unborn branchLibravatar Junio C Hamano1-0/+10
The code to flip between "*" and " " prefixes depending on what branch is checked out used in --format='%(HEAD)' did not consider that HEAD may resolve to an unborn branch and dereferenced a NULL. This will become a lot easier to trigger as the codepath will be used to reimplement "git branch [--list]" in the future. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-17submodules: allow empty working-tree dirs in merge/cherry-pickLibravatar David Turner2-5/+2
When a submodule is being merged or cherry-picked into a working tree that already contains a corresponding empty directory, do not record a conflict. One situation where this bug appears is: - Commit 1 adds a submodule - Commit 2 removes that submodule and re-adds it into a subdirectory (sub1 to sub1/sub1). - Commit 3 adds an unrelated file. Now the user checks out commit 1 (first deinitializing the submodule), and attempts to cherry-pick commit 3. Previously, this would fail, because the incoming submodule sub1/sub1 would falsely conflict with the empty sub1 directory. This patch ignores the empty sub1 directory, fixing the bug. We only ignore the empty directory if the object being emplaced is a submodule, which expects an empty directory. Signed-off-by: David Turner <dturner@twosigma.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-16rev-parse: fix parent shorthands with --symbolicLibravatar Jeff King1-0/+18
The try_parent_shorthands() function shows each parent via show_rev(). We pass the correct parent sha1, but our "name" parameter still points at the original refname. So asking for a regular rev-parse works fine (it prints the sha1s), but asking for the symbolic name gives nonsense like: $ git rev-parse --symbolic HEAD^-1 HEAD ^HEAD which is always an empty set of commits. Asking for "^!" is likewise broken, with the added bonus that its prints ^HEAD for _each_ parent. And "^@" just prints HEAD repeatedly. Arguably it would be correct to just pass NULL as the name here, and always get the parent expressed as a sha1. The "--symbolic" documentaton claims only "as close to the original input as possible", and we certainly fallback to sha1s where necessary. But it's pretty easy to generate a symbolic name on the fly from the original. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-11Merge branch 'js/pwd-var-vs-pwd-cmd-fix'Libravatar Junio C Hamano2-3/+3
Last minute fixes to two fixups merged to 'master' recently. * js/pwd-var-vs-pwd-cmd-fix: t0021, t5615: use $PWD instead of $(pwd) in PATH-like shell variables
2016-11-11Merge branch 'ls/filter-process'Libravatar Junio C Hamano1-2/+1
Test portability improvements and optimization for an already-graduated topic. * ls/filter-process: t0021: remove debugging cruft
2016-11-11Merge branch 'as/merge-attr-sleep'Libravatar Junio C Hamano1-5/+13
Fix for a racy false-positive test failure. * as/merge-attr-sleep: t6026: clarify the point of "kill $(cat sleep.pid)" t6026: ensure that long-running script really is Revert "t6026-merge-attr: don't fail if sleep exits early" Revert "t6026-merge-attr: ensure that the merge driver was called" t6026-merge-attr: ensure that the merge driver was called t6026-merge-attr: don't fail if sleep exits early
2016-11-11t0021: remove debugging cruftLibravatar Junio C Hamano1-2/+1
The redirection of the standard error stream to a temporary file is a leftover cruft during debugging. Remove it. Besides, it is reported by folks on the Windows that the test is flaky with this redirection; somebody gets confused and this merely-redirected-to file gets marked as delete-pending by git.exe and makes it finish with a non-zero exit status when "git checkout" finishes. Windows folks may want to figure that one out, but for the purpose of this test, it shouldn't become a show-stopper. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-11t6026: clarify the point of "kill $(cat sleep.pid)"Libravatar Johannes Sixt1-1/+9
We lengthened the time the leftover process sleeps in the previous commit to make sure it will be there while 'git merge' runs and finishes. It therefore needs to be killed before leaving the test. And it needs to be killed even when 'git merge' fails, so it has to be triggered via test_when_finished mechanism. Explain all that in a large comment, and move the use site of test_when_finished to immediately before 'git merge' invocation, where the process is spawned. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-11t0021, t5615: use $PWD instead of $(pwd) in PATH-like shell variablesLibravatar Johannes Sixt2-3/+3
We have to use $PWD instead of $(pwd) because on Windows the latter would add a C: style path to bash's Unix-style $PATH variable, which becomes confused by the colon after the drive letter. ($PWD is a Unix-style path.) In the case of GIT_ALTERNATE_OBJECT_DIRECTORIES, bash on Windows assembles a Unix-style path list with the colon as separators. It converts the value to a Windows-style path list with the semicolon as path separator when it forwards the variable to git.exe. The same confusion happens when bash's original value is contaminated with Windows style paths. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-10t6026: ensure that long-running script really isLibravatar Johannes Schindelin1-4/+4
When making sure that background tasks are cleaned up in 5babb5b (t6026-merge-attr: clean up background process at end of test case, 2016-09-07), we considered to let the background task sleep longer, just to be certain that it will still be running when we want to kill it after the test. Sadly, the assumption appears not to hold true that the test case passes quickly enough to kill the background task within a second. Simply increase it to an hour. No system can be possibly slow enough to make above-mentioned assumption incorrect. Reported by Andreas Schwab. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-11-10Revert "t6026-merge-attr: don't fail if sleep exits early"Libravatar Junio C Hamano1-1/+1
This reverts commit 734fde2d7167e4b20d2ff6062ade3846949b0741. The point of the test is that the stray process was still running when 'git merge' did its thing through its completion, so a failure to "kill" it means we didn't give a condition to the test to trigger a possible future breakage. Appending "|| :" to the "kill" is sweeping a test-bug under the rug.
2016-11-10Revert "t6026-merge-attr: ensure that the merge driver was called"Libravatar Junio C Hamano1-2/+1
This reverts commit c1e0dc59bddce765761a6f863c66ee0cd4b2ca09. We are not interested in the stray process in the merge driver started; we want it to be still around.
2016-11-10Merge branch 'jk/alt-odb-cleanup'Libravatar Junio C Hamano1-0/+71
Fix a corner-case regression in a topic that graduated during the v2.11 cycle. * jk/alt-odb-cleanup: alternates: re-allow relative paths from environment
2016-11-10Merge branch 'jk/filter-process-fix'Libravatar Junio C Hamano2-15/+17
Test portability improvements and cleanups for t0021. * jk/filter-process-fix: t0021: fix filehandle usage on older perl t0021: use $PERL_PATH for rot13-filter.pl t0021: put $TEST_ROOT in $PATH t0021: use write_script to create rot13 shell script