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2016-05-10submodule: ensure that -c http.extraheader is heededLibravatar Johannes Schindelin1-1/+10
To support this developer's use case of allowing build agents token-based access to private repositories, we introduced the http.extraheader feature, allowing extra HTTP headers to be sent along with every HTTP request. This patch verifies that we can configure these extra HTTP headers via the command-line for use with `git submodule update`, too. Example: git -c http.extraheader="Secret: Sauce" submodule update --init Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-10Merge branch 'jk/submodule-c-credential' into js/http-custom-headersLibravatar Junio C Hamano2-0/+63
* jk/submodule-c-credential: submodule: stop sanitizing config options submodule: use prepare_submodule_repo_env consistently submodule--helper: move config-sanitizing to submodule.c submodule: export sanitized GIT_CONFIG_PARAMETERS t5550: break submodule config test into multiple sub-tests t5550: fix typo in $HTTPD_URL git_config_push_parameter: handle empty GIT_CONFIG_PARAMETERS git: submodule honor -c credential.* from command line quote: implement sq_quotef() submodule: fix segmentation fault in submodule--helper clone submodule: fix submodule--helper clone usage submodule: check argc count for git submodule--helper clone submodule: don't pass empty string arguments to submodule--helper clone
2016-05-10t5551: make the test for extra HTTP headers more robustLibravatar Johannes Schindelin1-1/+2
To test that extra HTTP headers are passed correctly, t5551 verifies that a fetch succeeds when two required headers are passed, and that the fetch does not succeed when those headers are not passed. However, this test would also succeed if the configuration required only one header. As Apache's configuration is notoriously tricky (this developer frequently requires StackOverflow's help to understand Apache's documentation), especially when still supporting the 2.2 line, let's just really make sure that the test verifies what we want it to verify. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-10tests: adjust the configuration for Apache 2.2Libravatar Johannes Schindelin1-4/+12
Lars Schneider noticed that the configuration introduced to test the extra HTTP headers cannot be used with Apache 2.2 (which is still actively maintained, as pointed out by Junio Hamano). To let the tests pass with Apache 2.2 again, let's substitute the offending <RequireAll> and `expr` by using old school RewriteCond statements. As RewriteCond does not allow testing for *non*-matches, we simply match the desired case first and let it pass by marking the RewriteRule as '[L]' ("last rule, do not process any other matching RewriteRules after this"), and then have another RewriteRule that matches all other cases and lets them fail via '[F]' ("fail"). Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Tested-by: Lars Schneider <larsxschneider@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-06submodule: stop sanitizing config optionsLibravatar Jeff King1-26/+0
The point of having a whitelist of command-line config options to pass to submodules was two-fold: 1. It prevented obvious nonsense like using core.worktree for multiple repos. 2. It could prevent surprise when the user did not mean for the options to leak to the submodules (e.g., http.sslverify=false). For case 1, the answer is mostly "if it hurts, don't do that". For case 2, we can note that any such example has a matching inverted surprise (e.g., a user who meant http.sslverify=true to apply everywhere, but it didn't). So this whitelist is probably not giving us any benefit, and is already creating a hassle as people propose things to put on it. Let's just drop it entirely. Note that we still need to keep a special code path for "prepare the submodule environment", because we still have to take care to pass through $GIT_CONFIG_PARAMETERS (and block the rest of the repo-specific environment variables). We can do this easily from within the submodule shell script, which lets us drop the submodule--helper option entirely (and it's OK to do so because as a "--" program, it is entirely a private implementation detail). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-04-28submodule: use prepare_submodule_repo_env consistentlyLibravatar Jeff King1-0/+11
Before 14111fc (git: submodule honor -c credential.* from command line, 2016-02-29), it was sufficient for code which spawned a process in a submodule to just set the child process's "env" field to "local_repo_env" to clear the environment of any repo-specific variables. That commit introduced a more complicated procedure, in which we clear most variables but allow through sanitized config. For C code, we used that procedure only for cloning, but not for any of the programs spawned by submodule.c. As a result, things like "git fetch --recurse-submodules" behave differently than "git clone --recursive"; the former will not pass through the sanitized config. We can fix this by using prepare_submodule_repo_env() everywhere in submodule.c. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-04-28submodule: export sanitized GIT_CONFIG_PARAMETERSLibravatar Jeff King1-0/+17
Commit 14111fc (git: submodule honor -c credential.* from command line, 2016-02-29) taught git-submodule.sh to save the sanitized value of $GIT_CONFIG_PARAMETERS when clearing the environment for a submodule. However, it failed to export the result, meaning that it had no effect for any sub-programs. We didn't catch this in our initial tests because we checked only the "clone" case, which does not go through the shell script at all. Provoking "git submodule update" to do a fetch demonstrates the bug. Noticed-by: Lars Schneider <larsxschneider@gmail.com> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-04-28t5550: break submodule config test into multiple sub-testsLibravatar Jeff King1-2/+6
Right now we test only the cloning case, but there are other interesting cases (e.g., fetching). Let's pull the setup bits into their own test, which will make things flow more logically once we start adding more tests which use the setup. Let's also introduce some whitespace to the clone-test to split the two parts: making sure it fails without our cmdline config, and that it succeeds with it. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-04-28t5550: fix typo in $HTTPD_URLLibravatar Jeff King1-1/+1
Commit 14111fc (git: submodule honor -c credential.* from command line, 2016-02-29) accidentally wrote $HTTP_URL. It happened to work because we ended up with "credential..helper", which we treat the same as "credential.helper", applying it to all URLs. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-04-27http: support sending custom HTTP headersLibravatar Johannes Schindelin2-0/+15
We introduce a way to send custom HTTP headers with all requests. This allows us, for example, to send an extra token from build agents for temporary access to private repositories. (This is the use case that triggered this patch.) This feature can be used like this: git -c http.extraheader='Secret: sssh!' fetch $URL $REF Note that `curl_easy_setopt(..., CURLOPT_HTTPHEADER, ...)` takes only a single list, overriding any previous call. This means we have to collect _all_ of the headers we want to use into a single list, and feed it to cURL in one shot. Since we already unconditionally set a "pragma" header when initializing the curl handles, we can add our new headers to that list. For callers which override the default header list (like probe_rpc), we provide `http_copy_default_headers()` so they can do the same trick. Big thanks to Jeff King and Junio Hamano for their outstanding help and patient reviews. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-03-24Merge branch 'js/mingw-tests-2.8'Libravatar Junio C Hamano2-11/+10
* js/mingw-tests-2.8: mingw: skip some tests in t9115 due to file name issues t1300: fix the new --show-origin tests on Windows t1300-repo-config: make it resilient to being run via 'sh -x' config --show-origin: report paths with forward slashes
2016-03-24Merge branch 'sb/submodule-module-list-pathspec-fix'Libravatar Junio C Hamano1-0/+13
A fix for a small regression in "module_list" helper that was rewritten in C (also applies to 2.7.x). * sb/submodule-module-list-pathspec-fix: submodule: fix regression for deinit without submodules
2016-03-23git_config_push_parameter: handle empty GIT_CONFIG_PARAMETERSLibravatar Jeff King1-0/+14
The "git -c var=value" option stuffs the config value into $GIT_CONFIG_PARAMETERS, so that sub-processes can see it. When the config is later read via git_config() or similar, we parse it back out of that variable. The parsing end is a little bit picky; it assumes that each entry was generated with sq_quote_buf(), and that there is no extraneous whitespace. On the generating end, we are careful to append to an existing $GIT_CONFIG_PARAMETERS variable if it exists. However, our test for "should we add a space separator" is too liberal: it will add one even if the environment variable exists but is empty. As a result, you might end up with: GIT_CONFIG_PARAMETERS=" 'core.foo=bar'" which the parser will choke on. This was hard to trigger in older versions of git, since we only set the variable when we had something to put into it (though you could certainly trigger it manually). But since 14111fc (git: submodule honor -c credential.* from command line, 2016-02-29), the submodule code will unconditionally put the $GIT_CONFIG_PARAMETERS variable into the environment of any operation in the submodule, whether it is empty or not. So any of those operations which themselves use "git -c" will generate the unparseable value and fail. We can easily fix it by catching this case on the generating side. While we're adding a test, let's also check that multiple layers of "git -c" work, which was previously not tested at all. Reported-by: Shin Fan <shinfan@google.com> Signed-off-by: Jeff King <peff@peff.net> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Tested-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-03-23mingw: skip some tests in t9115 due to file name issuesLibravatar Johannes Schindelin1-2/+2
These two tests wanted to write file names which are incompatible with Windows' file naming rules (even if they pass using Cygwin due to Cygwin's magic path mangling). While at it, skip the same tests also on MacOSX/HFS, as pointed out by Torsten Bögershausen. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Torsten Bögershausen <tboegi@web.de> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-03-23t1300: fix the new --show-origin tests on WindowsLibravatar Johannes Schindelin1-3/+6
On Windows, we have that funny situation where the test script can refer to POSIX paths because it runs in a shell that uses a POSIX emulation layer ("MSYS2 runtime"). Yet, git.exe does *not* understand POSIX paths at all but only pure Windows paths. So let's just convert the POSIX paths to Windows paths before passing them on to Git, using `pwd` (which is already modified on Windows to output Windows paths). While fixing the new tests on Windows, we also have to exclude the tests that want to write a file with a name that is illegal on Windows (unfortunately, there is more than one test trying to make use of that file). Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-03-23t1300-repo-config: make it resilient to being run via 'sh -x'Libravatar Johannes Schindelin1-6/+2
One way to diagnose broken regression tests is to run the test script using 'sh -x t... -i -v' to find out which call actually demonstrates the symptom. Hence it is pretty counterproductive if the test script behaves differently when being run via 'sh -x', in particular when using test_cmp or test_i18ncmp on redirected stderr. A more recent way "sh tXXXX -i -v -x" has the same issue. So let's use test_i18ngrep (as suggested by Jonathan Nieder) instead of test_cmp/test_i18ncmp to verify that stderr looks as expected. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-03-22submodule: fix regression for deinit without submodulesLibravatar Stefan Beller1-0/+13
Per Cederqvist wrote: > It used to be possible to run > > git submodule deinit -f . > > to remove any submodules, no matter how many submodules you had. That > is no longer possible in projects that don't have any submodules at > all. The command will fail with: > > error: pathspec '.' did not match any file(s) known to git. This regression was introduced in 74703a1e4dfc (submodule: rewrite `module_list` shell function in C, 2015-09-02), as we changed the order of checking in new module listing to first check whether it is a gitlin before feeding it to match_pathspec(). It used to be that a pathspec that does not match any path were diagnosed as an error, but the new code complains for a pathspec that does not match any submodule path. Arguably the new behaviour may give us a better diagnosis, but that is inconsistent with the suggestion "deinit" gives, and also this was an unintended accident. The new behaviour hopefully can be redesigned and implemented better in future releases, but for now, switch these two checks to restore the same behavior as before. In an empty repository, giving the pathspec '.' will still get the same "did not match" error, but that is the same bug we had before 1.7.0. Reported-by: Per Cederqvist <cederp@opera.com> Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-03-18Revert "Merge branch 'nd/exclusion-regression-fix'"Libravatar Junio C Hamano2-155/+5
This reverts commit 5e57f9c3dfe7dd44a1b56bb5b3327d7a1356ec7c, reversing changes made to e79112d21024beb997951381db21a70b087d459d. We will be postponing nd/exclusion-regression-fix topic to later cycle.
2016-03-16git-svn: fix URL canonicalization during init w/ SVN 1.7+Libravatar Eric Wong1-1/+1
URL canonicalization when full URLs are passed became broken when using SVN::_Core::svn_dirent_canonicalize under SVN 1.7. Ensure we canonicalize paths and URLs with appropriate functions for each type from now on as the path/URL-agnostic SVN::_Core::svn_path_canonicalize function is deprecated in SVN. Tested with the following commands: git svn init -T svn://svn.code.sf.net/p/squirrelmail/code/trunk git svn init -b svn://svn.code.sf.net/p/squirrelmail/code/branches Reported-by: Adam Dinwoodie <adam@dinwoodie.org> http://mid.gmane.org/20160315162344.GM29016@dinwoodie.org Signed-off-by: Eric Wong <normalperson@yhbt.net>
2016-03-16t9117: test specifying full url to git svn init -TLibravatar Adam Dinwoodie1-0/+6
According to the documentation, full URLs can be specified in the `-T` argument to `git svn init`. However, the canonicalization of such arguments squashes together consecutive "/"s, which unsurprisingly breaks http://, svn://, etc URLs. Add a failing test case to provide evidence of that. On systems where Subversion provides svn_path_canonicalize but not svn_dirent_canonicalize (Subversion 1.6 and earlier?), this test passes, as svn_path_canonicalize doesn't mangle the consecutive "/"s. [ew: fixed whitespace] Signed-off-by: Adam Dinwoodie <adam@dinwoodie.org> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2016-03-15git-svn: shorten glob error messageLibravatar Eric Wong3-9/+16
Error messages should attempt to fit within the confines of an 80-column terminal to avoid compatibility and accessibility problems. Furthermore the word "directories" can be misleading when used in the context of git refnames. Signed-off-by: Eric Wong <normalperson@yhbt.net>
2016-03-15git-svn: loosen config globs limitationsLibravatar Victor Leschuk1-0/+222
Expand the area of globs applicability for branches and tags in git-svn. It is now possible to use globs like 'a*e', or 'release_*'. This allows users to avoid long lines in config like: branches = branches/{release_20,release_21,release_22,...} In favor of: branches = branches/release_* [ew: amended commit message, minor formatting and style fixes] Signed-off-by: Victor Leschuk <vleschuk@accesssoftek.com> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2016-03-10Merge branch 'js/close-packs-before-gc'Libravatar Junio C Hamano1-4/+6
A small future-proofing of a test added recently. * js/close-packs-before-gc: t5510: do not leave changed cwd
2016-03-04Merge branch 'nd/clear-gitenv-upon-use-of-alias'Libravatar Junio C Hamano1-11/+9
Hotfix for a test breakage made between 2.7 and 'master'. * nd/clear-gitenv-upon-use-of-alias: t0001: fix GIT_* environment variable check under --valgrind
2016-03-04Merge branch 'jk/pack-idx-corruption-safety'Libravatar Junio C Hamano1-0/+179
The code to read the pack data using the offsets stored in the pack idx file has been made more carefully check the validity of the data in the idx. * jk/pack-idx-corruption-safety: sha1_file.c: mark strings for translation use_pack: handle signed off_t overflow nth_packed_object_offset: bounds-check extended offset t5313: test bounds-checks of corrupted/malicious pack/idx files
2016-03-04Merge branch 'mg/httpd-tests-update-for-apache-2.4'Libravatar Junio C Hamano1-0/+3
The way the test scripts configure the Apache web server has been updated to work also for Apache 2.4 running on RedHat derived distros. * mg/httpd-tests-update-for-apache-2.4: t/lib-httpd: load mod_unixd
2016-03-04t5510: do not leave changed cwdLibravatar Michael J Gruber1-4/+6
t5510 carefully keeps the cwd at the test root by using either subshells or explicit cd'ing back to the root. Use a subshell for the last subtest, too. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-03-04Merge branch 'js/mingw-tests'Libravatar Junio C Hamano1-1/+7
* js/mingw-tests: t9700: fix test for perl older than 5.14
2016-03-04t9700: fix test for perl older than 5.14Libravatar Jeff King1-1/+7
Commit d53c2c6 (mingw: fix t9700's assumption about directory separators, 2016-01-27) uses perl's "/r" regex modifier to do a non-destructive replacement on a string, leaving the original unmodified and returning the result. This feature was introduced in perl 5.14, but systems with older perl are still common (e.g., CentOS 6.5 still has perl 5.10). Let's work around it by providing a helper function that does the same thing using older syntax. While we're at it, let's switch to using an alternate regex separator, which is slightly more readable. Reported-by: Christian Couder <christian.couder@gmail.com> Helped-by: Dennis Kaarsemaker <dennis@kaarsemaker.net> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-03-03t0001: fix GIT_* environment variable check under --valgrindLibravatar Johannes Sixt1-11/+9
When a test case is run without --valgrind, the wrap-for-bin.sh helper script inserts the environment variable GIT_TEXTDOMAINDIR, but when run with --valgrind, the variable is missing. A recently introduced test case expects the presence of the variable, though, and fails under --valgrind. Rewrite the test case to strip conditially defined environment variables from both expected and actual output. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-03-01git: submodule honor -c credential.* from command lineLibravatar Jacob Keller2-0/+43
Due to the way that the git-submodule code works, it clears all local git environment variables before entering submodules. This is normally a good thing since we want to clear settings such as GIT_WORKTREE and other variables which would affect the operation of submodule commands. However, GIT_CONFIG_PARAMETERS is special, and we actually do want to preserve these settings. However, we do not want to preserve all configuration as many things should be left specific to the parent project. Add a git submodule--helper function, sanitize-config, which shall be used to sanitize GIT_CONFIG_PARAMETERS, removing all key/value pairs except a small subset that are known to be safe and necessary. Replace all the calls to clear_local_git_env with a wrapped function that filters GIT_CONFIG_PARAMETERS using the new helper and then restores it to the filtered subset after clearing the rest of the environment. Signed-off-by: Jacob Keller <jacob.keller@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-26Merge branch 'mm/readme-markdown'Libravatar Junio C Hamano1-1/+1
README has been renamed to README.md and its contents got tweaked slightly to make it easier on the eyes. * mm/readme-markdown: README.md: move down historical explanation about the name README.md: don't call git stupid in the title README.md: move the link to git-scm.com up README.md: add hyperlinks on filenames README: use markdown syntax
2016-02-26Merge branch 'js/config-set-in-non-repository'Libravatar Junio C Hamano1-0/+11
"git config section.var value" to set a value in per-repository configuration file failed when it was run outside any repository, but didn't say the reason correctly. * js/config-set-in-non-repository: git config: report when trying to modify a non-existing repo config
2016-02-26Merge branch 'jk/epipe-in-async'Libravatar Junio C Hamano2-2/+5
Handling of errors while writing into our internal asynchronous process has been made more robust, which reduces flakiness in our tests. * jk/epipe-in-async: t5504: handle expected output from SIGPIPE death test_must_fail: report number of unexpected signal fetch-pack: ignore SIGPIPE in sideband demuxer write_or_die: handle EPIPE in async threads
2016-02-26Merge branch 'fa/merge-recursive-no-rename'Libravatar Junio C Hamano2-1/+313
"git merge-recursive" learned "--no-renames" option to disable its rename detection logic. * fa/merge-recursive-no-rename: t3034: test deprecated interface t3034: test option to disable renames t3034: add rename threshold tests merge-recursive: find-renames resets threshold merge-strategies.txt: fix typo merge-recursive: more consistent interface merge-recursive: option to disable renames
2016-02-26Merge branch 'sb/submodule-module-list-fix'Libravatar Junio C Hamano1-0/+25
A helper function "git submodule" uses since v2.7.0 to list the modules that match the pathspec argument given to its subcommands (e.g. "submodule add <repo> <path>") has been fixed. * sb/submodule-module-list-fix: submodule helper list: respect correct path prefix
2016-02-26Merge branch 'tb/conversion'Libravatar Junio C Hamano1-142/+172
Code simplification. * tb/conversion: convert.c: correct attr_action() convert.c: simplify text_stat convert.c: refactor crlf_action convert.c: use text_eol_is_crlf() convert.c: remove input_crlf_action() convert.c: remove unused parameter 'path' t0027: add tests for get_stream_filter()
2016-02-26Merge branch 'jk/grep-binary-workaround-in-test'Libravatar Junio C Hamano2-13/+17
Recent versions of GNU grep are pickier when their input contains arbitrary binary data, which some of our tests uses. Rewrite the tests to sidestep the problem. * jk/grep-binary-workaround-in-test: t9200: avoid grep on non-ASCII data t8005: avoid grep on non-ASCII data
2016-02-26Merge branch 'ps/config-error'Libravatar Junio C Hamano2-1/+24
Many codepaths forget to check return value from git_config_set(); the function is made to die() to make sure we do not proceed when setting a configuration variable failed. * ps/config-error: config: rename git_config_set_or_die to git_config_set config: rename git_config_set to git_config_set_gently compat: die when unable to set core.precomposeunicode sequencer: die on config error when saving replay opts init-db: die on config errors when initializing empty repo clone: die on config error in cmd_clone remote: die on config error when manipulating remotes remote: die on config error when setting/adding branches remote: die on config error when setting URL submodule--helper: die on config error when cloning module submodule: die on config error when linking modules branch: die on config error when editing branch description branch: die on config error when unsetting upstream branch: report errors in tracking branch setup config: introduce set_or_die wrappers
2016-02-26Merge branch 'mg/work-tree-tests'Libravatar Junio C Hamano3-0/+0
Traditionally, the tests that try commands that work on the contents in the working tree were named with "worktree" in their filenames, but with the recent addition of "git worktree" subcommand, whose tests are also named similarly, it has become harder to tell them apart. The traditional tests have been renamed to use "work-tree" instead in an attempt to differentiate them. * mg/work-tree-tests: tests: rename work-tree tests to *work-tree*
2016-02-26Merge branch 'ls/config-origin'Libravatar Junio C Hamano3-6/+162
The configuration system has been taught to phrase where it found a bad configuration variable in a better way in its error messages. "git config" learnt a new "--show-origin" option to indicate where the values come from. * ls/config-origin: config: add '--show-origin' option to print the origin of a config value config: add 'origin_type' to config_source struct rename git_config_from_buf to git_config_from_mem t: do not hide Git's exit code in tests using 'nul_to_q'
2016-02-26Merge branch 'kn/ref-filter-atom-parsing'Libravatar Junio C Hamano1-0/+42
The ref-filter's format-parsing code has been refactored, in preparation for "branch --format" and friends. * kn/ref-filter-atom-parsing: ref-filter: introduce objectname_atom_parser() ref-filter: introduce contents_atom_parser() ref-filter: introduce remote_ref_atom_parser() ref-filter: align: introduce long-form syntax ref-filter: introduce align_atom_parser() ref-filter: introduce parse_align_position() ref-filter: introduce color_atom_parser() ref-filter: introduce parsing functions for each valid atom ref-filter: introduce struct used_atom ref-filter: bump 'used_atom' and related code to the top ref-filter: use string_list_split over strbuf_split
2016-02-26Merge branch 'tg/git-remote'Libravatar Junio C Hamano1-0/+33
The internal API to interact with "remote.*" configuration variables has been streamlined. * tg/git-remote: remote: use remote_is_configured() for add and rename remote: actually check if remote exits remote: simplify remote_is_configured() remote: use parse_config_key
2016-02-25t/lib-httpd: load mod_unixdLibravatar Michael J Gruber1-0/+3
In contrast to apache 2.2, apache 2.4 does not load mod_unixd in its default configuration (because there are choices). Thus, with the current config, apache 2.4.10 will not be started and the httpd tests will not run on distros with default apache config (RedHat type). Enable mod_unixd to make the httpd tests run. This does not affect distros negatively which have that config already in their default (Debian type). httpd tests will run on these before and after this patch. Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-25t5504: handle expected output from SIGPIPE deathLibravatar Jeff King1-1/+4
Commit 8bf4bec (add "ok=sigpipe" to test_must_fail and use it to fix flaky tests, 2015-11-27) taught t5504 to handle "git push" racily exiting with SIGPIPE rather than failing. However, one of the tests checks the output of the command, as well. In the SIGPIPE case, we will not have produced any output. If we want the test to be truly non-flaky, we have to accept either output. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-25test_must_fail: report number of unexpected signalLibravatar Jeff King1-1/+1
If a command is marked as test_must_fail but dies with a signal, we consider that a problem and report the error to stderr. However, we don't say _which_ signal; knowing that can make debugging easier. Let's share as much as we know. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-25use_pack: handle signed off_t overflowLibravatar Jeff King1-1/+1
A v2 pack index file can specify an offset within a packfile of up to 2^64-1 bytes. On a system with a signed 64-bit off_t, we can represent only up to 2^63-1. This means that a corrupted .idx file can end up with a negative offset in the pack code. Our bounds-checking use_pack function looks for too-large offsets, but not for ones that have wrapped around to negative. Let's do so, which fixes an out-of-bounds access demonstrated in t5313. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-25nth_packed_object_offset: bounds-check extended offsetLibravatar Jeff King1-1/+1
If a pack .idx file has a corrupted offset for an object, we may try to access an offset in the .idx or .pack file that is larger than the file's size. For the .pack case, we have use_pack() to protect us, which realizes the access is out of bounds. But if the corrupted value asks us to look in the .idx file's secondary 64-bit offset table, we blindly add it to the mmap'd index data and access arbitrary memory. We can fix this with a simple bounds-check compared to the size we found when we opened the .idx file. Note that there's similar code in index-pack that is triggered only during "index-pack --verify". To support both, we pull the bounds-check into a separate function, which dies when it sees a corrupted file. It would be nice if we could return an error, so that the pack code could try to find a good copy of the object elsewhere. Currently nth_packed_object_offset doesn't have any way to return an error, but it could probably use "0" as a sentinel value (since no object can start there). This is the minimal fix, and we can improve the resilience later on top. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-25t5313: test bounds-checks of corrupted/malicious pack/idx filesLibravatar Jeff King1-0/+179
Our on-disk .pack and .idx files may reference other data by offset. We should make sure that we are not fooled by corrupt data into accessing memory outside of our mmap'd boundaries. This patch adds a series of tests for offsets found in .pack and .idx files. For the most part we get this right, but there are two tests of .idx files marked as failures: we do not bounds-check offsets in the v2 index's extended offset table, nor do we handle .idx offsets that overflow a signed off_t. With these tests, we should have good coverage of all offsets found in these files. Note that this doesn't cover .bitmap files, which may have similar bugs. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-25git config: report when trying to modify a non-existing repo configLibravatar Johannes Schindelin1-0/+11
It is a pilot error to call `git config section.key value` outside of any Git worktree. The message error: could not lock config file .git/config: No such file or directory is not very helpful in that situation, though. Let's print a helpful message instead. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>