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Revision | Author | Date | Message | Commit Date |
---|---|---|---|---|
937978e | Junio C Hamano | 17 March 2016, 18:32:13 UTC | Git 2.7.4 Signed-off-by: Junio C Hamano <gitster@pobox.com> | 17 March 2016, 18:32:13 UTC |
8e9cc5f | Junio C Hamano | 17 March 2016, 18:28:52 UTC | Sync with Git 2.6.6 * maint-2.6: Git 2.6.6 Git 2.5.5 Git 2.4.11 | 17 March 2016, 18:28:52 UTC |
e465796 | Junio C Hamano | 17 March 2016, 17:56:06 UTC | Git 2.6.6 Signed-off-by: Junio C Hamano <gitster@pobox.com> | 17 March 2016, 18:26:41 UTC |
ce4d4e7 | Junio C Hamano | 17 March 2016, 18:26:18 UTC | Merge branch 'maint-2.5' into maint-2.6 * maint-2.5: Git 2.5.5 Git 2.4.11 list-objects: pass full pathname to callbacks list-objects: drop name_path entirely list-objects: convert name_path to a strbuf show_object_with_name: simplify by using path_name() http-push: stop using name_path tree-diff: catch integer overflow in combine_diff_path allocation add helpers for detecting size_t overflow | 17 March 2016, 18:26:18 UTC |
e568e56 | Junio C Hamano | 17 March 2016, 17:28:50 UTC | Git 2.5.5 Signed-off-by: Junio C Hamano <gitster@pobox.com> | 17 March 2016, 18:24:59 UTC |
c638f3e | Junio C Hamano | 17 March 2016, 18:24:14 UTC | Merge branch 'maint-2.4' into maint-2.5 * maint-2.4: Git 2.4.11 list-objects: pass full pathname to callbacks list-objects: drop name_path entirely list-objects: convert name_path to a strbuf show_object_with_name: simplify by using path_name() http-push: stop using name_path tree-diff: catch integer overflow in combine_diff_path allocation add helpers for detecting size_t overflow | 17 March 2016, 18:24:14 UTC |
7654286 | Junio C Hamano | 17 March 2016, 17:00:44 UTC | Git 2.4.11 Signed-off-by: Junio C Hamano <gitster@pobox.com> | 17 March 2016, 18:23:05 UTC |
32c6dca | Junio C Hamano | 17 March 2016, 16:55:54 UTC | Merge branch 'jk/path-name-safety-2.4' into maint-2.4 Bugfix patches were backported from the 'master' front to plug heap corruption holes, to catch integer overflow in the computation of pathname lengths, and to get rid of the name_path API. Both of these would have resulted in writing over an under-allocated buffer when formulating pathnames while tree traversal. * jk/path-name-safety-2.4: list-objects: pass full pathname to callbacks list-objects: drop name_path entirely list-objects: convert name_path to a strbuf show_object_with_name: simplify by using path_name() http-push: stop using name_path tree-diff: catch integer overflow in combine_diff_path allocation add helpers for detecting size_t overflow | 17 March 2016, 18:22:24 UTC |
d79db92 | Junio C Hamano | 16 March 2016, 20:15:04 UTC | Merge branch 'jk/path-name-safety-2.7' into maint * jk/path-name-safety-2.7: list-objects: pass full pathname to callbacks list-objects: drop name_path entirely list-objects: convert name_path to a strbuf show_object_with_name: simplify by using path_name() http-push: stop using name_path tree-diff: catch integer overflow in combine_diff_path allocation add helpers for detecting size_t overflow | 16 March 2016, 20:15:04 UTC |
55c45a7 | Junio C Hamano | 16 March 2016, 17:42:32 UTC | Merge branch 'jk/path-name-safety-2.6' into jk/path-name-safety-2.7 * jk/path-name-safety-2.6: list-objects: pass full pathname to callbacks list-objects: drop name_path entirely list-objects: convert name_path to a strbuf show_object_with_name: simplify by using path_name() http-push: stop using name_path tree-diff: catch integer overflow in combine_diff_path allocation add helpers for detecting size_t overflow | 16 March 2016, 17:42:32 UTC |
717e355 | Junio C Hamano | 16 March 2016, 17:42:02 UTC | Merge branch 'jk/path-name-safety-2.5' into jk/path-name-safety-2.6 * jk/path-name-safety-2.5: list-objects: pass full pathname to callbacks list-objects: drop name_path entirely list-objects: convert name_path to a strbuf show_object_with_name: simplify by using path_name() http-push: stop using name_path tree-diff: catch integer overflow in combine_diff_path allocation add helpers for detecting size_t overflow | 16 March 2016, 17:42:02 UTC |
253ce7a | Junio C Hamano | 16 March 2016, 17:41:43 UTC | Merge branch 'jk/path-name-safety-2.4' into jk/path-name-safety-2.5 * jk/path-name-safety-2.4: list-objects: pass full pathname to callbacks list-objects: drop name_path entirely list-objects: convert name_path to a strbuf show_object_with_name: simplify by using path_name() http-push: stop using name_path tree-diff: catch integer overflow in combine_diff_path allocation add helpers for detecting size_t overflow | 16 March 2016, 17:41:43 UTC |
2824e18 | Jeff King | 11 February 2016, 22:28:36 UTC | list-objects: pass full pathname to callbacks When we find a blob at "a/b/c", we currently pass this to our show_object_fn callbacks as two components: "a/b/" and "c". Callbacks which want the full value then call path_name(), which concatenates the two. But this is an inefficient interface; the path is a strbuf, and we could simply append "c" to it temporarily, then roll back the length, without creating a new copy. So we could improve this by teaching the callsites of path_name() this trick (and there are only 3). But we can also notice that no callback actually cares about the broken-down representation, and simply pass each callback the full path "a/b/c" as a string. The callback code becomes even simpler, then, as we do not have to worry about freeing an allocated buffer, nor rolling back our modification to the strbuf. This is theoretically less efficient, as some callbacks would not bother to format the final path component. But in practice this is not measurable. Since we use the same strbuf over and over, our work to grow it is amortized, and we really only pay to memcpy a few bytes. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 16 March 2016, 17:41:04 UTC |
dc06dc8 | Jeff King | 11 February 2016, 22:26:44 UTC | list-objects: drop name_path entirely In the previous commit, we left name_path as a thin wrapper around a strbuf. This patch drops it entirely. As a result, every show_object_fn callback needs to be adjusted. However, none of their code needs to be changed at all, because the only use was to pass it to path_name(), which now handles the bare strbuf. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 16 March 2016, 17:41:03 UTC |
f3badae | Jeff King | 11 February 2016, 22:26:18 UTC | list-objects: convert name_path to a strbuf The "struct name_path" data is examined in only two places: we generate it in process_tree(), and we convert it to a single string in path_name(). Everyone else just passes it through to those functions. We can further note that process_tree() already keeps a single strbuf with the leading tree path, for use with tree_entry_interesting(). Instead of building a separate name_path linked list, let's just use the one we already build in "base". This reduces the amount of code (especially tricky code in path_name() which did not check for integer overflows caused by deep or large pathnames). It is also more efficient in some instances. Any time we were using tree_entry_interesting, we were building up the strbuf anyway, so this is an immediate and obvious win there. In cases where we were not, we trade off storing "pathname/" in a strbuf on the heap for each level of the path, instead of two pointers and an int on the stack (with one pointer into the tree object). On a 64-bit system, the latter is 20 bytes; so if path components are less than that on average, this has lower peak memory usage. In practice it probably doesn't matter either way; we are already holding in memory all of the tree objects leading up to each pathname, and for normal-depth pathnames, we are only talking about hundreds of bytes. This patch leaves "struct name_path" as a thin wrapper around the strbuf, to avoid disrupting callbacks. We should fix them, but leaving it out makes this diff easier to view. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 16 March 2016, 17:41:03 UTC |
8eee9f9 | Jeff King | 11 February 2016, 22:24:18 UTC | show_object_with_name: simplify by using path_name() When "git rev-list" shows an object with its associated path name, it does so by walking the name_path linked list and printing each component (stopping at any embedded NULs or newlines). We'd like to eventually get rid of name_path entirely in favor of a single buffer, and dropping this custom printing code is part of that. As a first step, let's use path_name() to format the list into a single buffer, and print that. This is strictly less efficient than the original, but it's a temporary step in the refactoring; our end game will be to get the fully formatted name in the first place. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 16 March 2016, 17:41:03 UTC |
c6bd2a1 | Jeff King | 11 February 2016, 22:23:48 UTC | http-push: stop using name_path The graph traversal code here passes along a name_path to build up the pathname at which we find each blob. But we never actually do anything with the resulting names, making it a waste of code and memory. This usage came in aa1dbc9 (Update http-push functionality, 2006-03-07), and originally the result was passed to "add_object" (which stored it, but didn't really use it, either). But we stopped using that function in 1f1e895 (Add "named object array" concept, 2006-06-19) in favor of storing just the objects themselves. Moreover, the generation of the name in process_tree() is buggy. It sticks "name" onto the end of the name_path linked list, and then passes it down again as it recurses (instead of "entry.path"). So it's a good thing this was unused, as the resulting path for "a/b/c/d" would end up as "a/a/a/a". Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 16 March 2016, 17:41:02 UTC |
d770187 | Jeff King | 19 February 2016, 11:21:30 UTC | tree-diff: catch integer overflow in combine_diff_path allocation A combine_diff_path struct has two "flex" members allocated alongside the struct: a string to hold the pathname, and an array of parent pointers. We use an "int" to compute this, meaning we may easily overflow it if the pathname is extremely long. We can fix this by using size_t, and checking for overflow with the st_add helper. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 16 March 2016, 17:41:02 UTC |
935de81 | Jeff King | 19 February 2016, 11:21:19 UTC | add helpers for detecting size_t overflow Performing computations on size_t variables that we feed to xmalloc and friends can be dangerous, as an integer overflow can cause us to allocate a much smaller chunk than we realized. We already have unsigned_add_overflows(), but let's add unsigned_mult_overflows() to that. Furthermore, rather than have each site manually check and die on overflow, we can provide some helpers that will: - promote the arguments to size_t, so that we know we are doing our computation in the same size of integer that will ultimately be fed to xmalloc - check and die on overflow - return the result so that computations can be done in the parameter list of xmalloc. These functions are a lot uglier to use than normal arithmetic operators (you have to do "st_add(foo, bar)" instead of "foo + bar"). To at least limit the damage, we also provide multi-valued versions. So rather than: st_add(st_add(a, b), st_add(c, d)); you can write: st_add4(a, b, c, d); This isn't nearly as elegant as a varargs function, but it's a lot harder to get it wrong. You don't have to remember to add a sentinel value at the end, and the compiler will complain if you get the number of arguments wrong. This patch adds only the numbered variants required to convert the current code base; we can easily add more later if needed. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 16 March 2016, 17:41:02 UTC |
594730e | Junio C Hamano | 10 March 2016, 19:13:13 UTC | Git 2.7.3 Signed-off-by: Junio C Hamano <gitster@pobox.com> | 10 March 2016, 19:14:08 UTC |
2e1e569 | Junio C Hamano | 10 March 2016, 19:13:50 UTC | Merge branch 'ma/update-hooks-sample-typofix' into maint * ma/update-hooks-sample-typofix: templates/hooks: fix minor typo in the sample update-hook | 10 March 2016, 19:13:50 UTC |
3e6e43e | Junio C Hamano | 10 March 2016, 19:13:49 UTC | Merge branch 'dt/initial-ref-xn-commit-doc' into maint * dt/initial-ref-xn-commit-doc: refs: document transaction semantics | 10 March 2016, 19:13:49 UTC |
4da4026 | Junio C Hamano | 10 March 2016, 19:13:49 UTC | Merge branch 'ps/plug-xdl-merge-leak' into maint * ps/plug-xdl-merge-leak: xdiff/xmerge: fix memory leak in xdl_merge | 10 March 2016, 19:13:49 UTC |
08e21c9 | Junio C Hamano | 10 March 2016, 19:13:48 UTC | Merge branch 'ak/git-strip-extension-from-dashed-command' into maint Code simplification. * ak/git-strip-extension-from-dashed-command: git.c: simplify stripping extension of a file in handle_builtin() | 10 March 2016, 19:13:48 UTC |
c6f399c | Junio C Hamano | 10 March 2016, 19:13:47 UTC | Merge branch 'ak/extract-argv0-last-dir-sep' into maint Code simplification. * ak/extract-argv0-last-dir-sep: exec_cmd.c: use find_last_dir_sep() for code simplification | 10 March 2016, 19:13:47 UTC |
80047fa | Junio C Hamano | 10 March 2016, 19:13:46 UTC | Merge branch 'jk/pack-idx-corruption-safety' into maint 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 | 10 March 2016, 19:13:46 UTC |
0e58b47 | Junio C Hamano | 10 March 2016, 19:13:45 UTC | Merge branch 'js/config-set-in-non-repository' into maint "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 | 10 March 2016, 19:13:45 UTC |
1191d60 | Junio C Hamano | 10 March 2016, 19:13:45 UTC | Merge branch 'sb/submodule-module-list-fix' into maint 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 | 10 March 2016, 19:13:45 UTC |
7f18fad | Junio C Hamano | 10 March 2016, 19:13:45 UTC | Merge branch 'jk/grep-binary-workaround-in-test' into maint 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 | 10 March 2016, 19:13:45 UTC |
d4e7b9b | Junio C Hamano | 10 March 2016, 19:13:44 UTC | Merge branch 'mm/push-simple-doc' into maint The documentation did not clearly state that the 'simple' mode is now the default for "git push" when push.default configuration is not set. * mm/push-simple-doc: Documentation/git-push: document that 'simple' is the default | 10 March 2016, 19:13:44 UTC |
b7a6ec6 | Junio C Hamano | 10 March 2016, 19:13:43 UTC | Merge branch 'jk/tighten-alloc' into maint * jk/tighten-alloc: (23 commits) compat/mingw: brown paper bag fix for 50a6c8e ewah: convert to REALLOC_ARRAY, etc convert ewah/bitmap code to use xmalloc diff_populate_gitlink: use a strbuf transport_anonymize_url: use xstrfmt git-compat-util: drop mempcpy compat code sequencer: simplify memory allocation of get_message test-path-utils: fix normalize_path_copy output buffer size fetch-pack: simplify add_sought_entry fast-import: simplify allocation in start_packfile write_untracked_extension: use FLEX_ALLOC helper prepare_{git,shell}_cmd: use argv_array use st_add and st_mult for allocation size computation convert trivial cases to FLEX_ARRAY macros use xmallocz to avoid size arithmetic convert trivial cases to ALLOC_ARRAY convert manual allocations to argv_array argv-array: add detach function add helpers for allocating flex-array structs harden REALLOC_ARRAY and xcalloc against size_t overflow ... | 10 March 2016, 19:13:43 UTC |
aa6c22e | Junio C Hamano | 10 March 2016, 19:13:42 UTC | Merge branch 'jk/more-comments-on-textconv' into maint The memory ownership rule of fill_textconv() API, which was a bit tricky, has been documented a bit better. * jk/more-comments-on-textconv: diff: clarify textconv interface | 10 March 2016, 19:13:43 UTC |
6044329 | Junio C Hamano | 10 March 2016, 19:13:41 UTC | Merge branch 'jk/no-diff-emit-common' into maint "git merge-tree" used to mishandle "both sides added" conflict with its own "create a fake ancestor file that has the common parts of what both sides have added and do a 3-way merge" logic; this has been updated to use the usual "3-way merge with an empty blob as the fake common ancestor file" approach used in the rest of the system. * jk/no-diff-emit-common: xdiff: drop XDL_EMIT_COMMON merge-tree: drop generate_common strategy merge-one-file: use empty blob for add/add base | 10 March 2016, 19:13:42 UTC |
28eec80 | Junio C Hamano | 10 March 2016, 19:13:40 UTC | Merge branch 'jc/am-i-v-fix' into maint The "v(iew)" subcommand of the interactive "git am -i" command was broken in 2.6.0 timeframe when the command was rewritten in C. * jc/am-i-v-fix: am -i: fix "v"iew pager: factor out a helper to prepare a child process to run the pager pager: lose a separate argv[] | 10 March 2016, 19:13:41 UTC |
9c17cca | Junio C Hamano | 10 March 2016, 19:13:39 UTC | Merge branch 'nd/git-common-dir-fix' into maint "git rev-parse --git-common-dir" used in the worktree feature misbehaved when run from a subdirectory. * nd/git-common-dir-fix: rev-parse: take prefix into account in --git-common-dir | 10 March 2016, 19:13:40 UTC |
8834ea3 | Junio C Hamano | 10 March 2016, 19:13:39 UTC | Merge branch 'nd/dwim-wildcards-as-pathspecs' into maint "git show 'HEAD:Foo[BAR]Baz'" did not interpret the argument as a rev, i.e. the object named by the the pathname with wildcard characters in a tree object. * nd/dwim-wildcards-as-pathspecs: get_sha1: don't die() on bogus search strings check_filename: tighten dwim-wildcard ambiguity checkout: reorder check_filename conditional | 10 March 2016, 19:13:39 UTC |
fbef03d | Junio C Hamano | 10 March 2016, 19:13:38 UTC | Merge branch 'jk/epipe-in-async' into maint 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 | 10 March 2016, 19:13:38 UTC |
2d5ff66 | Junio C Hamano | 10 March 2016, 19:13:38 UTC | Merge branch 'ps/config-error' into maint 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 | 10 March 2016, 19:13:38 UTC |
9bb7103 | Junio C Hamano | 10 March 2016, 19:13:38 UTC | Merge branch 'mg/work-tree-tests' into maint 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* | 10 March 2016, 19:13:38 UTC |
33b81b2 | Junio C Hamano | 10 March 2016, 19:13:37 UTC | Merge branch 'sp/remote-curl-ssl-strerror' into maint Help those who debug http(s) part of the system. * sp/remote-curl-ssl-strerror: remote-curl: include curl_errorstr on SSL setup failures | 10 March 2016, 19:13:37 UTC |
8d5b332 | Jeff King | 29 February 2016, 10:02:59 UTC | compat/mingw: brown paper bag fix for 50a6c8e Commit 50a6c8e (use st_add and st_mult for allocation size computation, 2016-02-22) fixed up many xmalloc call-sites including ones in compat/mingw.c. But I screwed up one of them, which was half-converted to ALLOC_ARRAY, using a very early prototype of the function. And I never caught it because I don't build on Windows. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 29 February 2016, 19:04:23 UTC |
7465feb | Nguyễn Thái Ngọc Duy | 27 February 2016, 07:49:33 UTC | sha1_file.c: mark strings for translation Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 27 February 2016, 17:54:57 UTC |
43f3afc | Jeff King | 24 February 2016, 07:48:36 UTC | t5504: handle expected output from SIGPIPE death 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> | 25 February 2016, 21:51:47 UTC |
f3ed0b3 | Jeff King | 24 February 2016, 07:45:49 UTC | test_must_fail: report number of unexpected signal 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> | 25 February 2016, 21:51:47 UTC |
9ff18fa | Jeff King | 24 February 2016, 07:44:58 UTC | fetch-pack: ignore SIGPIPE in sideband demuxer If the other side feeds us a bogus pack, index-pack (or unpack-objects) may die early, before consuming all of its input. As a result, the sideband demuxer may get SIGPIPE (racily, depending on whether our data made it into the pipe buffer or not). If this happens and we are compiled with pthread support, it will take down the main thread, too. This isn't the end of the world, as the main process will just die() anyway when it sees index-pack failed. But it does mean we don't get a chance to say "fatal: index-pack failed" or similar. And it also means that we racily fail t5504, as we sometimes die() and sometimes are killed by SIGPIPE. So let's ignore SIGPIPE while demuxing the sideband. We are already careful to check the return value of write(), so we won't waste time writing to a broken pipe. The caller will notice the error return from the async thread, though in practice we don't even get that far, as we die() as soon as we see that index-pack failed. The non-sideband case is already fine; we let index-pack read straight from the socket, so there is no SIGPIPE at all. Technically the non-threaded async case is also OK without this (the forked async process gets SIGPIPE), but it's not worth distinguishing from the threaded case here. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 25 February 2016, 21:51:47 UTC |
9658846 | Jeff King | 24 February 2016, 07:40:16 UTC | write_or_die: handle EPIPE in async threads When write_or_die() sees EPIPE, it treats it specially by converting it into a SIGPIPE death. We obviously cannot ignore it, as the write has failed and the caller expects us to die. But likewise, we cannot just call die(), because printing any message at all would be a nuisance during normal operations. However, this is a problem if write_or_die() is called from a thread. Our raised signal ends up killing the whole process, when logically we just need to kill the thread (after all, if we are ignoring SIGPIPE, there is good reason to think that the main thread is expecting to handle it). Inside an async thread, the die() code already does the right thing, because we use our custom die_async() routine, which calls pthread_join(). So ideally we would piggy-back on that, and simply call: die_quietly_with_code(141); or similar. But refactoring the die code to do this is surprisingly non-trivial. The die_routines themselves handle both printing and the decision of the exit code. Every one of them would have to be modified to take new parameters for the code, and to tell us to be quiet. Instead, we can just teach write_or_die() to check for the async case and handle it specially. We do have to build an interface to abstract the async exit, but it's simple and self-contained. If we had many call-sites that wanted to do this die_quietly_with_code(), this approach wouldn't scale as well, but we don't. This is the only place where do this weird exit trick. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 25 February 2016, 21:51:45 UTC |
4938686 | David Turner | 25 February 2016, 20:05:46 UTC | refs: document transaction semantics Add some comments on ref transaction semantics to refs.h Signed-off-by: David Turner <dturner@twopensource.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 25 February 2016, 20:35:31 UTC |
13e0b0d | Jeff King | 25 February 2016, 14:23:26 UTC | use_pack: handle signed off_t overflow 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> | 25 February 2016, 19:32:46 UTC |
47fe3f6 | Jeff King | 25 February 2016, 14:22:52 UTC | nth_packed_object_offset: bounds-check extended offset 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> | 25 February 2016, 19:32:43 UTC |
a128386 | Jeff King | 25 February 2016, 14:21:12 UTC | t5313: test bounds-checks of corrupted/malicious pack/idx files 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> | 25 February 2016, 19:32:41 UTC |
638fa62 | Johannes Schindelin | 24 February 2016, 12:48:11 UTC | git config: report when trying to modify a non-existing repo config 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> | 25 February 2016, 18:52:32 UTC |
9537f21 | Martin Amdisen | 25 February 2016, 08:10:12 UTC | templates/hooks: fix minor typo in the sample update-hook Signed-off-by: Martin Mosegaard Amdisen <martin.amdisen@praqma.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 25 February 2016, 17:32:20 UTC |
2b56bb7 | Stefan Beller | 24 February 2016, 21:15:02 UTC | submodule helper list: respect correct path prefix This is a regression introduced by 74703a1e4d (submodule: rewrite `module_list` shell function in C, 2015-09-02). Add a test to ensure we list the right submodule when giving a specific pathspec. Reported-By: Caleb Jorden <cjorden@gmail.com> Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 24 February 2016, 22:33:02 UTC |
3b1442d | John Keeping | 21 February 2016, 17:32:22 UTC | t9200: avoid grep on non-ASCII data GNU grep 2.23 detects the input used in this test as binary data so it does not work for extracting lines from a file. We could add the "-a" option to force grep to treat the input as text, but not all implementations support that. Instead, use sed to extract the desired lines since it will always treat its input as text. Signed-off-by: John Keeping <john@keeping.me.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 23 February 2016, 23:03:43 UTC |
0be43de | John Keeping | 21 February 2016, 17:32:21 UTC | t8005: avoid grep on non-ASCII data GNU grep 2.23 detects the input used in this test as binary data so it does not work for extracting lines from a file. We could add the "-a" option to force grep to treat the input as text, but not all implementations support that. Instead, use sed to extract the desired lines since it will always treat its input as text. While touching these lines, modernize the test style to avoid hiding the exit status of "git blame" and remove a space following a redirection operator. Also swap the order of the expected and actual output files given to test_cmp; we compare expect and actual to show how actual output differs from what is expected. Signed-off-by: John Keeping <john@keeping.me.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 23 February 2016, 23:00:12 UTC |
f6b1fb3 | Matthieu Moy | 23 February 2016, 21:04:41 UTC | Documentation/git-push: document that 'simple' is the default The default behavior is well documented already in git-config(1), but git-push(1) itself did not mention it at all. For users willing to learn how "git push" works but not how to configure it, this makes the documentation cumbersome to read. Make the git-push(1) page self-contained by adding a short summary of what 'push.default=simple' does, early in the page. Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 23 February 2016, 21:35:10 UTC |
4867f11 | Patrick Steinhardt | 23 February 2016, 11:59:17 UTC | xdiff/xmerge: fix memory leak in xdl_merge When building the script for the second file that is to be merged we have already allocated memory for data structures related to the first file. When we encounter an error in building the second script we only free allocated memory related to the second file before erroring out. Fix this memory leak by also releasing allocated memory related to the first file. Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 23 February 2016, 20:58:26 UTC |
907681e | Jeff King | 23 February 2016, 06:07:25 UTC | xdiff: drop XDL_EMIT_COMMON There are no more callers that use this mode, and none likely to be added (as our xdl_merge() eliminates the common use of it for generating 3-way merge bases). This is effectively a revert of a9ed376 (xdiff: generate "anti-diffs" aka what is common to two files, 2006-06-28), though of course trying to revert that ancient commit directly produces many textual conflicts. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 23 February 2016, 06:36:09 UTC |
b779b3a | Jeff King | 23 February 2016, 06:06:55 UTC | merge-tree: drop generate_common strategy When merge_blobs sees an add/add conflict, it tries to create a virtual base object for the 3-way merge that consists of the common lines of each file. It inherited this strategy from merge-one-file in 0c79938 (Improved three-way blob merging code, 2006-06-28), and the point is to minimize the size of the conflict hunks. That commit talks about "if libxdiff were to ever grow a compatible three-way merge, it could probably be directly plugged in". That has long since happened. So as with merge-one-file in the previous commit, this extra step is no longer necessary. Our 3-way merge code is smart enough to do the minimizing itself if we simply feed it an empty base, which is what the more modern merge-recursive strategy already does. Not only does this let us drop some code, but it removes an overflow bug in generate_common_file(). We allocate a buffer as large as the smallest of the two blobs, under the assumption that there cannot be more common content than what is in the smaller blob. However, xdiff may feed us more: if neither file ends in a newline, it feeds us the "\nNo newline at end of file" marker as common content, and we write it into the output. If the differences between the files are small than that string, we overflow the output buffer. This patch solves it by simply dropping the buggy code entirely. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 23 February 2016, 06:36:07 UTC |
1a92e53 | Jeff King | 23 February 2016, 06:04:41 UTC | merge-one-file: use empty blob for add/add base When we see an add/add conflict on a file, we generate the conflicted content by doing a 3-way merge with a "virtual" base consisting of the common lines of the two sides. This strategy dates back to cb93c19 (merge-one-file: use common as base, instead of emptiness., 2005-11-09). Back then, the next step was to call rcs merge to generate the 3-way conflicts. Using the virtual base produced much better results, as rcs merge does not attempt to minimize the hunks. As a result, you'd get a conflict with the entirety of the files on either side. Since then, though, we've switched to using git-merge-file, which uses xdiff's "zealous" merge. This will find the minimal hunks even with just the simple, empty base. Let's switch to using that empty base. It's simpler, more efficient, and reduces our dependencies (we no longer need a working diff binary). It's also how the merge-recursive strategy handles this same case. We can almost get rid of git-sh-setup's create_virtual_base, but we don't here, for two reasons: 1. The functions in git-sh-setup are part of our public interface, so it's possible somebody is depending on it. We'd at least need to deprecate it first. 2. It's also used by mergetool's p4merge driver. It's unknown whether its 3-way merge is as capable as git's; if not, then it is benefiting from the function. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 23 February 2016, 06:36:05 UTC |
08c95df | Jeff King | 22 February 2016, 22:45:15 UTC | ewah: convert to REALLOC_ARRAY, etc Now that we're built around xmalloc and friends, we can use helpers like REALLOC_ARRAY, ALLOC_GROW, and so on to make the code shorter and protect against integer overflow. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
fb7dbf3 | Jeff King | 22 February 2016, 22:45:12 UTC | convert ewah/bitmap code to use xmalloc This code was originally written with the idea that it could be spun off into its own ewah library, and uses the overrideable ewah_malloc to do allocations. We plug in xmalloc as our ewah_malloc, of course. But over the years the ewah code itself has become more entangled with git, and the return value of many ewah_malloc sites is not checked. Let's just drop the level of indirection and use xmalloc and friends directly. This saves a few lines, and will let us adapt these sites to our more advanced malloc helpers. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
b1ddfb9 | Jeff King | 22 February 2016, 22:45:08 UTC | diff_populate_gitlink: use a strbuf We allocate 100 bytes to hold the "Submodule commit ..." text. This is enough, but it's not immediately obvious that this is the case, and we have to repeat the magic 100 twice. We could get away with xstrfmt here, but we want to know the size, as well, so let's use a real strbuf. And while we're here, we can clean up the logic around size_only. It currently sets and clears the "data" field pointlessly, and leaves the "should_free" flag on even after we have cleared the data. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
21f9d0f | Jeff King | 22 February 2016, 22:45:05 UTC | transport_anonymize_url: use xstrfmt This function uses xcalloc and two memcpy calls to concatenate two strings. We can do this as an xstrfmt one-liner, and then it is more clear that we are allocating the correct amount of memory. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
7eb45b5 | Jeff King | 22 February 2016, 22:45:01 UTC | git-compat-util: drop mempcpy compat code There are no callers of this left, as the last one was dropped in the previous patch. And there are not likely to be new ones, as the function has been around since 2010 without gaining any new callers. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
7b35eaf | Jeff King | 22 February 2016, 22:44:57 UTC | sequencer: simplify memory allocation of get_message For a commit with sha1 "1234abcd" and subject "foo", this function produces a struct with three strings: 1. "foo" 2. "1234abcd... foo" 3. "parent of 1234abcd... foo" It takes advantage of the fact that these strings are subsets of each other, and allocates only _one_ string, with pointers into the various parts. Unfortunately, this makes the string allocation complicated and hard to follow. Since we keep only one of these in memory at a time, we can afford to simply allocate three strings. This lets us build on tools like xstrfmt and avoid manual computation. While we're here, we can also drop the ad-hoc reimplementation of get_git_commit_encoding(), and simply call that function. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
62f1751 | Jeff King | 22 February 2016, 22:44:54 UTC | test-path-utils: fix normalize_path_copy output buffer size The normalize_path_copy function needs an output buffer that is at least as long as its input (it may shrink the path, but never expand it). However, this test program feeds it static PATH_MAX-sized buffers, which have no relation to the input size. In the normalize_ceiling_entry case, we do at least check the size against PATH_MAX and die(), but that case is even more convoluted. We normalize into a fixed-size buffer, free the original, and then replace it with a strdup'd copy of the result. But normalize_path_copy explicitly allows normalizing in-place, so we can simply do that. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
5545f05 | Jeff King | 22 February 2016, 22:44:50 UTC | fetch-pack: simplify add_sought_entry We have two variants of this function, one that takes a string and one that takes a ptr/len combo. But we only call the latter with the length of a NUL-terminated string, so our first simplification is to drop it in favor of the string variant. Since we know we have a string, we can also replace the manual memory computation with a call to alloc_ref(). Furthermore, we can rely on get_oid_hex() to complain if it hits the end of the string. That means we can simplify the check for "<sha1> <ref>" versus just "<ref>". Rather than manage the ptr/len pair, we can just bump the start of our string forward. The original code over-allocated based on the original "namelen" (which wasn't _wrong_, but was simply wasteful and confusing). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
a78c188 | Jeff King | 22 February 2016, 22:44:46 UTC | fast-import: simplify allocation in start_packfile This function allocate a packed_git flex-array, and adds a mysterious 2 bytes to the length of the pack_name field. One is for the trailing NUL, but the other has no purpose. This is probably cargo-culted from add_packed_git, which gets the ".idx" path and needed to allocate enough space to hold the matching ".pack" (though since 48bcc1c, we calculate the size there differently). This site, however, is using the raw path of a tempfile, and does not need the extra byte. We can just replace the allocation with FLEX_ALLOC_STR, which handles the allocation and the NUL for us. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
e0b8373 | Jeff King | 22 February 2016, 22:44:42 UTC | write_untracked_extension: use FLEX_ALLOC helper We perform unchecked additions when computing the size of a "struct ondisk_untracked_cache". This is unlikely to have an integer overflow in practice, but we'd like to avoid this dangerous pattern to make further audits easier. Note that there's one subtlety here, though. We protect ourselves against a NULL exclude_per_dir entry in our source, and avoid calling strlen() on it, keeping "len" at 0. But later, we unconditionally memcpy "len + 1" bytes to get the trailing NUL byte. If we did have a NULL exclude_per_dir, we would read from bogus memory. As it turns out, though, we always create this field pointing to a string literal, so there's no bug. We can just get rid of the pointless extra conditional. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
20574f5 | Jeff King | 22 February 2016, 22:44:39 UTC | prepare_{git,shell}_cmd: use argv_array These functions transform an existing argv into one suitable for exec-ing or spawning via git or a shell. We can use an argv_array in each to avoid dealing with manual counting and allocation. This also makes the memory allocation more clear and fixes some leaks. In prepare_shell_cmd, we would sometimes allocate a new string with "$@" in it and sometimes not, meaning the caller could not correctly free it. On the non-Windows side, we are in a child process which will exec() or exit() immediately, so the leak isn't a big deal. On Windows, though, we use spawn() from the parent process, and leak a string for each shell command we run. On top of that, the Windows code did not free the allocated argv array at all (but does for the prepare_git_cmd case!). By switching both of these functions to write into an argv_array, we can consistently free the result as appropriate. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
50a6c8e | Jeff King | 22 February 2016, 22:44:35 UTC | use st_add and st_mult for allocation size computation If our size computation overflows size_t, we may allocate a much smaller buffer than we expected and overflow it. It's probably impossible to trigger an overflow in most of these sites in practice, but it is easy enough convert their additions and multiplications into overflow-checking variants. This may be fixing real bugs, and it makes auditing the code easier. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
96ffc06 | Jeff King | 22 February 2016, 22:44:32 UTC | convert trivial cases to FLEX_ARRAY macros Using FLEX_ARRAY macros reduces the amount of manual computation size we have to do. It also ensures we don't overflow size_t, and it makes sure we write the same number of bytes that we allocated. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
3733e69 | Jeff King | 22 February 2016, 22:44:28 UTC | use xmallocz to avoid size arithmetic We frequently allocate strings as xmalloc(len + 1), where the extra 1 is for the NUL terminator. This can be done more simply with xmallocz, which also checks for integer overflow. There's no case where switching xmalloc(n+1) to xmallocz(n) is wrong; the result is the same length, and malloc made no guarantees about what was in the buffer anyway. But in some cases, we can stop manually placing NUL at the end of the allocated buffer. But that's only safe if it's clear that the contents will always fill the buffer. In each case where this patch does so, I manually examined the control flow, and I tried to err on the side of caution. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
b32fa95 | Jeff King | 22 February 2016, 22:44:25 UTC | convert trivial cases to ALLOC_ARRAY Each of these cases can be converted to use ALLOC_ARRAY or REALLOC_ARRAY, which has two advantages: 1. It automatically checks the array-size multiplication for overflow. 2. It always uses sizeof(*array) for the element-size, so that it can never go out of sync with the declared type of the array. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:51:09 UTC |
850d2fe | Jeff King | 22 February 2016, 22:44:21 UTC | convert manual allocations to argv_array There are many manual argv allocations that predate the argv_array API. Switching to that API brings a few advantages: 1. We no longer have to manually compute the correct final array size (so it's one less thing we can screw up). 2. In many cases we had to make a separate pass to count, then allocate, then fill in the array. Now we can do it in one pass, making the code shorter and easier to follow. 3. argv_array handles memory ownership for us, making it more obvious when things should be free()d and and when not. Most of these cases are pretty straightforward. In some, we switch from "run_command_v" to "run_command" which lets us directly use the argv_array embedded in "struct child_process". Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:50:32 UTC |
b992657 | Jeff King | 22 February 2016, 22:44:15 UTC | argv-array: add detach function The usual pattern for an argv array is to initialize it, push in some strings, and then clear it when done. Very occasionally, though, we must do other exotic things with the memory, like freeing the list but keeping the strings. Let's provide a detach function so that callers can make use of our API to build up the array, and then take ownership of it. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:50:32 UTC |
3689539 | Jeff King | 22 February 2016, 22:43:25 UTC | add helpers for allocating flex-array structs Allocating a struct with a flex array is pretty simple in practice: you over-allocate the struct, then copy some data into the over-allocation. But it can be a slight pain to make sure you're allocating and copying the right amounts. This patch adds a few helpers to turn simple cases of flex-array struct allocation into a one-liner that properly checks for overflow. See the embedded documentation for details. Ideally we could provide a more flexible version that could handle multiple strings, like: FLEX_ALLOC_FMT(ref, name, "%s%s", prefix, name); But we have to implement this as a macro (because of the offset calculation of the flex member), which means we would need all compilers to support variadic macros. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:50:32 UTC |
e7792a7 | Jeff King | 22 February 2016, 22:43:18 UTC | harden REALLOC_ARRAY and xcalloc against size_t overflow REALLOC_ARRAY inherently involves a multiplication which can overflow size_t, resulting in a much smaller buffer than we think we've allocated. We can easily harden it by using st_mult() to check for overflow. Likewise, we can add ALLOC_ARRAY to do the same thing for xmalloc calls. xcalloc() should already be fine, because it takes the two factors separately, assuming the system calloc actually checks for overflow. However, before we even hit the system calloc(), we do our memory_limit_check, which involves a multiplication. Let's check for overflow ourselves so that this limit cannot be bypassed. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 22:50:32 UTC |
326e5bc | Junio C Hamano | 22 February 2016, 21:12:56 UTC | Git 2.7.2 Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 21:12:56 UTC |
2bbea5c | Junio C Hamano | 22 February 2016, 21:10:21 UTC | Merge branch 'nd/ita-cleanup' into maint Paths that have been told the index about with "add -N" are not quite yet in the index, but a few commands behaved as if they already are in a harmful way. * nd/ita-cleanup: grep: make it clear i-t-a entries are ignored add and use a convenience macro ce_intent_to_add() blame: remove obsolete comment | 22 February 2016, 21:10:21 UTC |
47847c7 | Junio C Hamano | 22 February 2016, 21:10:20 UTC | Merge branch 'pw/completion-stash' into maint * pw/completion-stash: completion: fix mis-indentation in _git_stash() | 22 February 2016, 21:10:20 UTC |
924459c | Junio C Hamano | 22 February 2016, 21:10:20 UTC | Merge branch 'mm/clean-doc-fix' into maint The documentation for "git clean" has been corrected; it mentioned that .git/modules/* are removed by giving two "-f", which has never been the case. * mm/clean-doc-fix: Documentation/git-clean.txt: don't mention deletion of .git/modules/* | 22 February 2016, 21:10:20 UTC |
2263a05 | Junio C Hamano | 22 February 2016, 21:10:19 UTC | Merge branch 'dw/mergetool-vim-window-shuffle' into maint The vimdiff backend for "git mergetool" has been tweaked to arrange and number buffers in the order that would match the expectation of majority of people who read left to right, then top down and assign buffers 1 2 3 4 "mentally" to local base remote merge windows based on that order. * dw/mergetool-vim-window-shuffle: mergetool: reorder vim/gvim buffers in three-way diffs | 22 February 2016, 21:10:20 UTC |
fa7b63d | Junio C Hamano | 22 February 2016, 21:10:19 UTC | Merge branch 'ah/stripspace-optstring' into maint * ah/stripspace-optstring: stripspace: call U+0020 a "space" instead of a "blank" | 22 February 2016, 21:10:19 UTC |
a64e6a4 | Jeff King | 22 February 2016, 18:28:54 UTC | diff: clarify textconv interface The memory allocation scheme for the textconv interface is a bit tricky, and not well documented. It was originally designed as an internal part of diff.c (matching fill_mmfile), but gradually was made public. Refactoring it is difficult, but we can at least improve the situation by documenting the intended flow and enforcing it with an in-code assertion. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:40:35 UTC |
59305ae | SZEDER Gábor | 22 February 2016, 13:02:50 UTC | completion: fix mis-indentation in _git_stash() Signed-off-by: SZEDER Gábor <szeder@ira.uka.de> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:26:04 UTC |
3d18064 | Patrick Steinhardt | 22 February 2016, 11:23:36 UTC | config: rename git_config_set_or_die to git_config_set Rename git_config_set_or_die functions to git_config_set, leading to the new default behavior of dying whenever a configuration error occurs. By now all callers that shall die on error have been transitioned to the _or_die variants, thus making this patch a simple rename of the functions. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:23:55 UTC |
30598ad | Patrick Steinhardt | 22 February 2016, 11:23:35 UTC | config: rename git_config_set to git_config_set_gently The desired default behavior for `git_config_set` is to die whenever an error occurs. Dying is the default for a lot of internal functions when failures occur and is in this case the right thing to do for most callers as otherwise we might run into inconsistent repositories without noticing. As some code may rely on the actual return values for `git_config_set` we still require the ability to invoke these functions without aborting. Rename the existing `git_config_set` functions to `git_config_set_gently` to keep them available for those callers. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:23:55 UTC |
2f29c1b | Patrick Steinhardt | 22 February 2016, 11:23:34 UTC | compat: die when unable to set core.precomposeunicode When calling `git_config_set` to set 'core.precomposeunicode' we ignore the return value of the function, which may indicate that we were unable to write the value back to disk. As the function is only called by init-db we can and should die when an error occurs. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:23:54 UTC |
6c24dfb | Patrick Steinhardt | 22 February 2016, 11:23:33 UTC | sequencer: die on config error when saving replay opts When we start picking a range of revisions we save the replay options that are required to restore state when interrupting and later continuing picking the revisions. However, we do not check the return values of the `git_config_set` functions, which may lead us to store incomplete information. As this may lead us to fail when trying to continue the sequence the error can be fatal. Fix this by dying immediately when we are unable to write back any replay option. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:23:54 UTC |
695009b | Patrick Steinhardt | 22 February 2016, 11:23:32 UTC | init-db: die on config errors when initializing empty repo When creating an empty repository with `git init-db` we do not check for error codes returned by `git_config_set` functions. This may cause the user to end up with an inconsistent repository without any indication for the user. Fix this problem by dying early with an error message when we are unable to write the configuration files to disk. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:23:54 UTC |
2ee35c4 | Patrick Steinhardt | 22 February 2016, 11:23:31 UTC | clone: die on config error in cmd_clone The clone command does not check for error codes returned by `git_config_set` functions. This may cause the user to end up with an inconsistent repository without any indication with what went wrong. Fix this problem by dying with an error message when we are unable to write the configuration files to disk. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:23:53 UTC |
c397deb | Patrick Steinhardt | 22 February 2016, 11:23:30 UTC | remote: die on config error when manipulating remotes When manipulating remotes we try to set various configuration values without checking if the values were persisted correctly, possibly leaving the remote in an inconsistent state. Fix this issue by dying early and notifying the user about the error. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:23:53 UTC |
ab5e4b6 | Patrick Steinhardt | 22 February 2016, 11:23:29 UTC | remote: die on config error when setting/adding branches When we add or set new branches (e.g. by `git remote add -f` or `git remote set-branches`) we do not check for error codes when writing the branches to the configuration file. When persisting the configuration failed we are left with a remote that has none or not all of the branches that should have been set without notifying the user. Fix this issue by dying early on configuration error. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:23:53 UTC |
45ebdcc | Patrick Steinhardt | 22 February 2016, 11:23:28 UTC | remote: die on config error when setting URL When invoking `git-remote --set-url` we do not check the return value when writing the actual new URL to the configuration file, pretending to the user that the configuration has been set while it was in fact not persisted. Fix this problem by dying early when setting the config fails. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:23:52 UTC |
15b92fc | Patrick Steinhardt | 22 February 2016, 11:23:27 UTC | submodule--helper: die on config error when cloning module When setting the 'core.worktree' option for a newly cloned submodule we ignore the return value of `git_config_set_in_file`. As this leaves the submodule in an inconsistent state, we instead want to inform the user that something has gone wrong by printing an error and aborting the program. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:23:52 UTC |
1a90dfe | Patrick Steinhardt | 22 February 2016, 11:23:26 UTC | submodule: die on config error when linking modules When trying to connect a submodule with its corresponding repository in '.git/modules' we try to set the core.worktree setting in the submodule, which may fail due to an error encountered in `git_config_set_in_file`. The function is used in the git-mv command when trying to move a submodule to another location. We already die when renaming a file fails but do not pay attention to the case where updating the connection between submodule and its repository fails. As this leaves the repository in an inconsistent state, as well, abort the program by dying early and presenting the failure to the user. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:23:52 UTC |
bd25f89 | Patrick Steinhardt | 22 February 2016, 11:23:25 UTC | branch: die on config error when editing branch description Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:23:52 UTC |
b81842c | Patrick Steinhardt | 22 February 2016, 11:23:24 UTC | branch: die on config error when unsetting upstream When we try to unset upstream configurations we do not check return codes for the `git_config_set` functions. As those may indicate that we were unable to unset the respective configuration we may exit successfully without any error message while in fact the upstream configuration was not unset. Fix this by dying with an error message when we cannot unset the configuration. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com> | 22 February 2016, 18:23:45 UTC |