Log

Author Commit Date CI Message
Patrick Steinhardt 819492c1 2020-09-18T10:34:40 refs: fix potential free of uninitialized variable The `signature` variable in `git_reference_rename` isn't initialized and neither does `git_reference__log_signature` always do. So if the latter function fails, we'll call `git_signature_free` on this unininitialized variable. Fix the issue by initializing the pointer with `NULL`.
Patrick Steinhardt 9e81711b 2020-09-18T10:31:50 Merge pull request #5632 from csware/winhttp_typo Fix typo: Make ifndef macroname the same as the define name
Edward Thomson ae99e697 2020-09-17T11:19:49 Merge pull request #5619 from ddevault/diffstat-segfault diff stats: fix segfaults with new files
Drew DeVault ec26b16d 2020-08-29T10:44:40 diff stats: fix segfaults with new files
Edward Thomson 298b01ab 2020-09-15T09:26:08 Merge pull request #5633 from csware/winhttp1.3 WinHTTP: Try to use TLS1.3
Edward Thomson d65edcdc 2020-09-15T09:23:00 Merge pull request #5628 from interkosmos/master Fixed includes for FreeBSD
Philipp 6887e9db 2020-09-14T15:54:00 Removed FreeBSD-related macros.
Sven Strickroth 797535b6 2020-09-12T00:14:41 WinHTTP: Try to use TLS1.3 Signed-off-by: Sven Strickroth <email@cs-ware.de>
Sven Strickroth 621e501c 2020-09-10T10:32:02 Fix typo: Make ifndef macroname the same as the define name Signed-off-by: Sven Strickroth <email@cs-ware.de>
Philipp e937a2aa 2020-09-09T19:08:20 Fixed includes for FreeBSD.
Edward Thomson 1e987525 2020-09-08T17:25:06 Merge pull request #5624 from csware/http-upgrade-header Don't fail if a HTTP server announces he supports a protocol upgrade
Sven Strickroth 2dea3eb4 2020-09-08T13:03:07 Don't fail if a HTTP server announces he supports a protocol upgrade cf. RFC7230 section 6.7, an Upgrade header in a normal response merely informs the client that the server supports upgrading to other protocols, and the client can ask for such an upgrade in a later request. The server requiring an upgrade is via the 426 Upgrade Required response code, not the mere presence of the Upgrade response header. (closes issue #5573) Signed-off-by: Sven Strickroth <email@cs-ware.de>
Edward Thomson f29e6dde 2020-09-01T09:58:13 Merge pull request #5621 from kim/null-safe-git_net_url_is_default_port Return false instead of segfaulting when checking for default port
Kim Altintop 7e1f0b22 2020-08-31T21:54:17 Return false instead of segfaulting when checking for default port `default_port_for_scheme` returns NULL if the scheme is not one of the builtin ones. This may cause a segmentation fault if a custom transport URL happens to contain a port number, and this code path is triggered (e.g. by setting git_fetch_options->update_fetchhead to 1).
Edward Thomson a5eb7e02 2020-08-31T12:52:48 Merge pull request #5612 from mmuman/haiku deps: ntlmclient: fix htonll for Haiku
Edward Thomson 8e3f8823 2020-08-31T12:45:11 Merge pull request #5615 from libgit2/pks/azure-remove-docjob azure: Remove job generating documentation
Edward Thomson 931bd3b8 2020-08-28T12:30:35 Merge pull request #5617 from muhkuh-sys/master Fix crash in git_describe_commit when opts are NULL.
Christoph Thelen d10c846e 2020-08-27T21:47:48 Fix crash in git_describe_commit when opts are NULL. The argument "opts" can be NULL, which selects default options. Do not access "opts" directly but only the normalized copy.
Patrick Steinhardt 7851a165 2020-08-24T12:31:08 azure: Remove job generating documentation With the recent addition of GitHub Actions to our CI infrastructure, we now have two jobs which generate documentation: once in GHA, once in Azure. Naturally, as they both want to update the same branch, they race against each other and one of both jobs will fail. Fix this by removing the documentation job from Azure.
Patrick Steinhardt da3288de 2020-08-24T11:20:50 Merge pull request #5600 from andrewhickman/fix-double-free Fix `git_mwindow_scan_recently_used` spuriously returning true
Patrick Steinhardt 24eacab9 2020-08-24T11:00:20 Merge pull request #5599 from libgit2/ethomson/zlib zstream: handle Z_BUF_ERROR appropriately in get_output_chunk
Patrick Steinhardt 8a24ee8a 2020-08-24T10:28:02 Merge pull request #5610 from SirWindfield/patch-1 docs: fix typo
François Revol 92913621 2020-08-21T23:00:59 deps: ntlmclient: #error out on unknown platforms We explicitly pass win32 & macOS, although some old version might not have it.
François Revol 49ce5e29 2020-08-21T17:34:57 deps: ntlmclient: fix htonll for Haiku Use B_HOST_TO_BENDIAN_INT64 for that.
Sven e46ef5ee 2020-08-18T14:58:21 docs: fix typo
Andrew Hickman 04d59466 2020-08-05T22:04:15 Preserve behaviour of `git_mwindow_scan_recently_used` with `*out_window` set
Andrew Hickman 8ea9187a 2020-08-05T20:22:55 Fix `git_mwindow_scan_recently_used` spuriously returning true
Edward Thomson 4d4befac 2020-08-05T10:07:23 pack: check pack_window_open return
Edward Thomson 9bb61bad 2020-08-05T09:42:52 zstream: handle Z_BUF_ERROR appropriately in get_output_chunk Our processing loop in git_zstream_get_output_chunk does not handle `Z_BUF_ERROR` appropriately at the end of a compressed window. From the zlib manual, inflate will return: > Z_BUF_ERROR if no progress was possible or if there was not enough > room in the output buffer when Z_FINISH is used. Note that Z_BUF_ERROR > is not fatal, and inflate() can be called again with more input and > more output space to continue decompressing. In our loop, we were waiting until we got the expected size, then ensuring that we were at `Z_STREAM_END`. We are not guaranteed to be, since zlib may be in the `Z_BUF_ERROR` state where it has consumed a full window's worth of data, but it doesn't know that it's really at the end of the stream. There _could_ be more compressed data, but it doesn't _know_ that there's not until we make a subsequent call. We can change the loop to look for the end of stream instead of our expected size. This allows us to call inflate one last time when we are at the end of a window (and in the `Z_BUF_ERROR` state), allowing it to recognize the end of the stream, and move from the `Z_BUF_ERROR` state to the `Z_STREAM_END` state. If we do this, we need another exit condition: when `bytes == 0`, then no progress could be made and we should stop trying to inflate. This will be an error case, caught by the size and/or end-of-stream test.
Edward Thomson c71321a0 2020-08-03T11:53:03 Merge pull request #5596 from libgit2/ethomson/sanitizer_ci sanitizer ci: skip negotiate tests
Edward Thomson 6973c570 2020-08-03T11:03:19 sanitizer ci: skip negotiate tests We don't build with SPNEGO enabled on our focal-based sanitizer builds, so we need to disable the negotiate tests.
Edward Thomson 11a62973 2020-08-03T10:01:26 Merge pull request #5569 from lhchavez/ci-sanitizers Add CI support for Memory and UndefinedBehavior Sanitizers
Edward Thomson c5d41d46 2020-08-03T09:55:22 Merge pull request #5563 from pks-t/pks/worktree-heads Access HEAD via the refdb backends
Edward Thomson 52ccbc5d 2020-08-03T09:52:30 Merge pull request #5582 from libgit2/pks-config-map-optimization config_entries: Avoid excessive map operations
Patrick Steinhardt f2400a9c 2020-07-13T20:56:08 config_entries: Avoid excessive map operations When appending config entries, we currently always first get the currently existing map entry and then afterwards update the map to contain the current config value. In the common scenario where keys aren't being overridden, this is the best we can do. But in case a key gets set multiple times, then we'll also perform these two map operations. In extreme cases, hashing the map keys will thus start to dominate performance. Let's optimize the pattern by using a separately allocated map entry. Currently, we always put the current list entry into the map and update it to get any overridden multivar. As these list entries are also used to iterate config entries, we cannot update them in-place in the map and are thus forced to always set the map to contain the new entry. But with a separately allocated map entry, we can now create one once per config key and insert it into the map. Whenever appending a new config value with the same key, we can now just update the map entry in-place instead of having to replace the map entry completely. This reduces calls to the hashing function by half and trades the improved runtime for one more allocation per unique config key. Given that the refactoring arguably improves code readability by splitting concerns of the `config_entry_list` type and not having to track it in two different structures, this alone would already be reason enough to take the trade. Given a pathological case of a gitconfig with 100.000 repeated keys and a section of length 10.000 characters, this reduces runtime by half from approximately 14 seconds to 7 seconds as expected.
Edward Thomson a83fd510 2020-07-12T21:26:59 Merge pull request #5396 from lhchavez/mwindow-file-limit mwindow: set limit on number of open files
lhchavez 92d42eb3 2020-07-12T09:53:10 Minor nits and style formatting
Patrick Steinhardt ce4cb073 2020-07-12T18:19:21 tests: verify renaming branch really updates worktree HEAD In case where a branch is getting renamed, all HEADs of the main repository and of its worktrees that point to the old branch need to get updated to point to the new branch. We already do so and have a test for this, but the test only verifies that we're able to lookup the updated HEAD, not what it contains. Let's make the test more specific by verifying the updated HEAD also has the correct updated symbolic target.
Patrick Steinhardt 5434f9a3 2020-06-17T14:57:13 refs: remove function to read HEAD directly With the last user of `git_reference__read_head` gone, let's remove it as it's been reading references without consulting the refdb backends.
Patrick Steinhardt 65895410 2020-06-17T14:56:36 repository: retrieve worktree HEAD via refdb The function `git_repository_head_for_worktree` currently uses `git_reference__read_head` to directly read a given worktree's HEAD from the filesystem. This is broken in case the repository uses a different refdb implementation than the filesystem-based one, so let's instead open the worktree as a real repository and use `git_reference_lookup`. This also fixes the case where the worktree's HEAD is not a symref, but a detached HEAD, which would have resulted in an error previously.
Patrick Steinhardt d1f210fc 2020-06-17T15:09:49 repository: remove function to iterate over HEADs The function `git_repository_foreach_head` is broken, as it directly interacts with the on-disk representation of the reference database, thus assuming that no other refdb is used for the given repository. As this is an internal function only and all users have been replaced, let's remove this function.
Patrick Steinhardt ac5fbe31 2020-06-17T14:43:27 branch: determine whether a branch is checked out via refdb We currently determine whether a branch is checked out via `git_repository_foreach_head`. As this function reads references directly from the disk, it breaks our refdb abstraction in case the repository uses a different reference backend implementation than the filesystem-based one. So let's use `git_repository_foreach_worktree` instead -- while it's less efficient, it is at least correct in all corner cases.
Patrick Steinhardt 7216b048 2020-06-17T14:23:15 refs: update HEAD references via refdb When renaming a reference, we need to iterate over every HEAD and potentially update it in case it is a symbolic reference pointing to the previous name of the renamed reference. Most importantly, this doesn't only include HEADs from the repo we're renaming the reference in, but we also need to iterate over HEADs from linked worktrees. In order to update the HEADs, we directly read them from the worktree's gitdir and thus assume that both repository and worktrees use the filesystem-based reference backend. But this breaks as soon as one got a repository with a different refdb and breaks our own abstractions. So let's instead update HEAD references via the refdb by first opening each worktree as a repository and then using the usual functions to read and update HEADs. This is a lot less efficient than the current code, but it's not like we can really help this: going via the refdb is mandatory.
Patrick Steinhardt 2fcb4f28 2020-06-17T14:09:04 repository: introduce new function to iterate over all worktrees Given a Git repository, it's non-trivial to iterate over all worktrees that are associated with it, including the "main" repository. This commit adds a new internal function `git_repository_foreach_worktree` that does this for us.
Edward Thomson 26b9e489 2020-07-12T17:04:29 Merge pull request #5570 from libgit2/pks/refdb-refactorings refdb: a set of preliminary refactorings for the reftable backend
Patrick Steinhardt 34987447 2020-06-30T10:13:26 refdb: avoid unlimited spinning in case of symref cycles To determine whether another reflog entry needs to be written for HEAD on a reference update, we need to see whether HEAD directly or indirectly points to the reference we're updating. The resolve logic is currently completely unbounded except an error occurs, which effectively means that we'd be spinning forever in case we have a symref loop in the repository refdb. Let's fix the issue by using `git_refdb_resolve` instead, which is always bounded.
Patrick Steinhardt b895547c 2020-06-30T09:35:21 refs: replace reimplementation of reference resolver The refs code currently has a second implementation that resolves references in order to find any final symbolic reference pointing to a nonexistent target branch. As we've just extended `git_refdb_resolve` to also return such references, let's use that one instead in order to reduce code duplication.
Patrick Steinhardt cf7dd05b 2020-06-30T13:26:05 refdb: return resolved symbolic refs pointing to nonexistent refs In some cases, resolving references requires us to also know about the final symbolic reference that's pointing to a nonexistent branch, e.g. in an empty repository where the main branch is yet unborn but HEAD already points to it. Right now, the resolving logic is thus split up into two, where one is the new refdb implementation and the second one is an ad-hoc implementation inside "refs.c". Let's extend `git_refdb_resolve` to also return such final dangling references pointing to nonexistent branches so we can deduplicate the resolving logic.
Patrick Steinhardt c54f40e4 2020-06-30T09:28:12 refs: move resolving of references into the refdb Resolving of symbolic references is currently implemented inside the "refs" layer. As a result, it's hard to call this function from low-level parts that only have a refdb available, but no repository, as the "refs" layer always operates on the repository-level. So let's move the function into the generic "refdb" implementation to lift this restriction.
Patrick Steinhardt ae30009e 2020-07-12T16:01:15 Merge pull request #5547 from pks-t/pks/cmake-modernization-pt2 CMake modernization pt2
Patrick Steinhardt 9703d26f 2020-06-29T12:22:27 tests: reflog: remove unused signature There's two tests that create a commit signature, but never make any use of it. Let's remove these to avoid any confusion.
Patrick Steinhardt 1f39593b 2020-06-30T08:53:59 refdb: extract function to check whether to append HEAD to the reflog The logic to determine whether a reflog entry should be for the HEAD reference is non-trivial. Currently, the only user of this is the filesystem-based refdb, but with the advent of the reftable refdb we're going to add a second user that's interested in having the same behaviour. Let's pull out a new function that checks whether a given reference should cause a entry to be written to the HEAD reflog as a preparatory step.
Patrick Steinhardt e02478b1 2020-06-05T08:17:03 refdb: extract function to check whether a reflog should be written The logic to determine whether a reflog should be written is non-trivial. Currently, the only user of this is the filesystem-based refdb, but with the advent of the reftable refdb we're going to add a second user that's interested in having the same behaviour. Let's pull out a new function that checks whether a given reference should cause a reflog to be written as a preparatory step.
Patrick Steinhardt 9bc6e655 2020-06-05T11:37:30 cmake: remove CheckPrototypeDefinition module In the past, we've imported the CheckPrototypeDefinition into our own module directory as it wasn't yet available in all supported CMake versions. Now that we require at least CMake v3.5, we don't need to bundle it anymore as it's included with the distribution already. Let's drop the included modules and always use upstream's version.
Patrick Steinhardt 4218403e 2020-06-05T10:49:09 cmake: use target-specific compile definitions We set up some compile definitions as part of our src/CMakeLists.txt. While the definitions are global, we really only need them as part of the git2internal target which compiles all the objects. Let's thus use `target_compile_definitions` instead of `add_definitions`.
Patrick Steinhardt 53911edd 2020-06-05T10:24:30 cmake: use git2internal target to populate sources Modern CMake is usually target-driven in that a target is first defined and then the likes of `target_sources`, `target_include_directories` etc. are used to further populate the target. We still use old-style CMake, where we first set up a set of variables and then populate the target in a single call. Let's migrate to modern CMake usage by starting to populate the sources of our git2internal target piece-by-piece. While this is a small step, it allows us to convert to target-based build instructions piece-by-piece.
Patrick Steinhardt 19eb1e4b 2020-06-05T10:07:33 cmake: specify project version We currently do not set up a project version within CMake, meaning that it can't be use by other projects including libgit2 as a sub-project and also not by other tools like IDEs. This commit changes this to always set up a project version, but instead of extracting it from the "version.h" header we now set it up directly. This is mostly to avoid mis-use of the previous `LIBGIT2_VERSION` variables, as we should now always use the `libgit2_VERSION` ones that are set up by CMake if one provides the "VERSION" keyword to the `project()` call. While this is one more moving target we need to adjust on releases, this commit also adjusts our release script to verify that the project version was incremented as expected.
lhchavez 6a917c04 2020-06-28T15:51:43 Add CI support for Memory and UndefinedBehavior Sanitizers This change adds two new build targets: MSan and UBSan. This is because even though OSS-Fuzz is great and adds a lot of coverage, it only does that for the fuzz targets, so the rest of the codebase is not necessarily run with the Sanitizers ever :( So this change makes sure that MSan/UBSan warnings don't make it into the codebase. As part of this change, the Ubuntu focal container is introduced. It builds mbedTLS and libssh2 as debug libraries into /usr/local and as MSan-enabled libraries into /usr/local/msan. This latter part is needed because MSan requires the binary and all its dependent libraries to be built with MSan support so that memory allocations and deallocations are tracked correctly to avoid false positives.
Edward Thomson 325375e3 2020-07-09T23:12:58 Merge pull request #5568 from lhchavez/ubsan Make the tests run cleanly under UndefinedBehaviorSanitizer
Edward Thomson 2ffa426e 2020-07-09T23:02:05 Merge pull request #5567 from lhchavez/msan Make the tests pass cleanly with MemorySanitizer
Edward Thomson 60536163 2020-07-09T22:56:44 Merge pull request #5561 from A-Ovchinnikov-mx/a-ovchin/windres-rc Enable building git2.rc resource script with GCC
Edward Thomson 8720ae8a 2020-07-02T11:45:16 Merge pull request #5571 from lhchavez/ntlmclient-sanitizers Make NTLMClient Memory and UndefinedBehavior Sanitizer-clean
Alexander Ovchinnikov 71000441 2020-06-16T18:58:07 Review: Rename the stringize macro
Alexander Ovchinnikov dc1deb3b 2020-07-01T15:41:38 Use __GNUC__ macro in the resource script Fix the default LIBGIT2_FILENAME for GNU windres
Alexander Ovchinnikov 5c40456b 2020-06-16T13:19:02 Enable building git2.rc resource script with GCC
lhchavez 7c964416 2020-06-30T05:46:47 Make NTLMClient Memory and UndefinedBehavior Sanitizer-clean This change makes the code pass the libgit2 tests cleanly when MSan/UBSan are enabled. Notably: * Changes malloc/memset combos into calloc for easier auditing. * Makes `write_buf` return early if the buffer length is empty to avoid arithmetic with NULL pointers (which UBSan does not like). * Initializes a few arrays that were sometimes being read before being written to.
lhchavez 3a197ea7 2020-06-27T12:33:32 Make the tests pass cleanly with MemorySanitizer This change: * Initializes a few variables that were being read before being initialized. * Includes https://github.com/madler/zlib/pull/393. As such, it only works reliably with `-DUSE_BUNDLED_ZLIB=ON`.
lhchavez d0656ac8 2020-06-27T12:15:26 Make the tests run cleanly under UndefinedBehaviorSanitizer This change makes the tests run cleanly under `-fsanitize=undefined,nullability` and comprises of: * Avoids some arithmetic with NULL pointers (which UBSan does not like). * Avoids an overflow in a shift, due to an uint8_t being implicitly converted to a signed 32-bit signed integer after being shifted by a 32-bit signed integer. * Avoids a unaligned read in libgit2. * Ignores unaligned reads in the SHA1 library, since it only happens on Intel processors, where it is _still_ undefined behavior, but the semantics are moderately well-understood. Of notable omission is `-fsanitize=integer`, since there are lots of warnings in zlib and the SHA1 library which probably don't make sense to fix and I could not figure out how to silence easily. libgit2 itself also has ~100s of warnings which are mostly innocuous (e.g. use of enum constants that only fit on an `uint32_t`, but there is no way to do that in a simple fashion because the data type chosen for enumerated types is implementation-defined), and investigating whether there are worrying warnings would need reducing the noise significantly.
lhchavez d88994da 2020-06-27T07:34:36 Create the repository within the test This change moves the humongous static repository with 1025 commits into the test file, now with a more modest 16 commits.
lhchavez eab2b044 2020-06-26T16:10:30 Review feedback * Change the default of the file limit to 0 (unlimited). * Changed the heuristic to close files to be the file that contains the least-recently-used window such that the window is the most-recently-used in the file, and the file does not have in-use windows. * Parameterized the filelimit test to check for a limit of 1 and 100 open windows.
Edward Thomson d6c62852 2020-06-23T09:16:05 Merge pull request #5559 from pks-t/pks/diff-print-fixups Random fixes for diff-printing
lhchavez 9679df57 2020-02-08T20:47:24 mwindow: set limit on number of open files There are some cases in which repositories accrue a large number of packfiles. The existing mwindow limit applies only to the total size of mmap'd files, not on their number. This leads to a situation in which having lots of small packfiles could exhaust the allowed number of open files, particularly on macOS, where the default ulimit is very low (256). This change adds a new configuration parameter (GIT_OPT_SET_MWINDOW_FILE_LIMIT) that sets the maximum number of open packfiles, with a default of 128. This is low enough so that even macOS users should not hit it during normal use. Based on PR #5386, originally written by @josharian. Fixes: #2758
Patrick Steinhardt d43d490c 2020-06-17T17:51:19 Merge pull request #5419 from lhchavez/fix-git_index_add_from_buffer-docs index: Update the documentation for git_index_add_from_buffer()
Patrick Steinhardt 6256d023 2020-06-15T14:34:29 diff_print: adjust code to match current coding style
Patrick Steinhardt 490d0c9c 2020-06-15T14:26:13 diff_print: return out-of-memory situation when printing binary We currently don't check for out-of-memory situations on exiting `format_binary` and, as a result, may return a partially filled buffer. Fix this by checking the buffer via `git_buf_oom`.
Patrick Steinhardt bea5fd9f 2020-06-15T13:26:18 diff_print: do not call abort(3P) Calling abort(3P) in a library is rather rude and shouldn't happen, as we effectively prohibit any corrective actions made by the application linking to it. We thus shouldn't call it at all, but instead use our new `GIT_ASSERT` macros. Remove the call to abort(3P) in case a diff delta has an unexpected type to fix this.
Patrick Steinhardt 0cf1f444 2020-06-15T13:19:44 diff_print: handle errors when printing to file When printing the diff to a `FILE *` handle, we neither check the return value of fputc(3P) nor the one of fwrite(3P). As a result, we'll silently return successful even if we didn't print anything at all. Futhermore, the arguments to fwrite(3P) are reversed: we have one item of length `content_len`, and not `content_len` items of one byte. Fix both issues by checking return values as well as reversing the arguments to fwrite(3P).
Edward Thomson d60bf002 2020-06-16T17:02:40 Merge pull request #5550 from libgit2/ethomson/github_actions Introduce CI with GitHub Actions
Edward Thomson 47fb33ba 2020-06-07T00:39:27 Introduce CI with GitHub Actions Add CI using GitHub Actions and GitHub Packages: * This moves our Linux build containers into GitHub Packages; we will identify the most recent commit that updated the docker descriptions, and then look for a docker image in libgit2's GitHub Packages registry for a container with the tag corresponding to that description. If there is not one, we will build the container and then push it to GitHub Packages. * We no longer need to manage authentication with our own credentials or PAT tokens. GitHub Actions provides a GITHUB_TOKEN that can publish artifacts, packages and commits to our repository within a workflow run. * We will use a matrix to build our various CI steps. This allows us to keep configuration in a single place without multiple YAML files.
Edward Thomson 74520b91 2020-06-13T19:38:11 Merge pull request #5552 from libgit2/pks/small-fixes Random code cleanups and fixes
Edward Thomson 79d0e0c1 2020-06-12T18:21:46 Merge pull request #5553 from pks-t/pks/example-log-docfix examples: log: fix documentation generation
Edward Thomson 4852d8da 2020-06-10T22:18:13 docker: don't take BASE as an argument The xenial image depends on ubuntu:xenial; the bionic one on ubuntu:bionic. No need for this to be a variable, that's just additional (unnecessary) state to manage in the CI setup(s).
Edward Thomson 8b8b69a7 2020-06-10T22:13:25 azure pipelines: use bundled zlib Azure Pipelines has a version of zlib hanging out on the filesystem; avoid trying to use it as it's either 64 _or_ 32 bit, so exactly one of our builds will fail.
Patrick Steinhardt 96a5f38f 2020-06-10T07:42:52 Merge pull request #5551 from pks-t/pks/missing-declarations Missing declarations
Patrick Steinhardt 03c4f86c 2020-06-08T12:42:59 cmake: enable warnings for missing function declarations Over time, we have accumulated quite a lot of functions with missing prototypes, missing `static` keywords or which were completely unused. It's easy to miss these mistakes, but luckily GCC and Clang both have the `-Wmissing-declarations` warning. Enabling this will cause them to emit warnings for every not-static function that doesn't have a previous declaration. This is a very sane thing to enable, and with the preceding commits all these new warnings have been fixed. So let's always enable this warning so we won't introduce new instances of them.
Patrick Steinhardt fd1f0940 2020-06-08T12:42:26 refs: add missing function declaration The function `git_reference__is_note` is not declared anywhere. Let's add the declaration to avoid having non-static functions without declaration.
Patrick Steinhardt c6184f0c 2020-06-08T21:07:36 tree-wide: do not compile deprecated functions with hard deprecation When compiling libgit2 with -DDEPRECATE_HARD, we add a preprocessor definition `GIT_DEPRECATE_HARD` which causes the "git2/deprecated.h" header to be empty. As a result, no function declarations are made available to callers, but the implementations are still available to link against. This has the problem that function declarations also aren't visible to the implementations, meaning that the symbol's visibility will not be set up correctly. As a result, the resulting library may not expose those deprecated symbols at all on some platforms and thus cause linking errors. Fix the issue by conditionally compiling deprecated functions, only. While it becomes impossible to link against such a library in case one uses deprecated functions, distributors of libgit2 aren't expected to pass -DDEPRECATE_HARD anyway. Instead, users of libgit2 should manually define GIT_DEPRECATE_HARD to hide deprecated functions. Using "real" hard deprecation still makes sense in the context of CI to test we don't use deprecated symbols ourselves and in case a dependant uses libgit2 in a vendored way and knows it won't ever use any of the deprecated symbols anyway.
Patrick Steinhardt 6e1efcd6 2020-06-08T12:46:04 tree-wide: add missing header includes We're missing some header includes leading to missing function prototypes. While we currently don't warn about these, we should have their respective headers included in order to detect the case where a function signature change results in an incompatibility.
Patrick Steinhardt a6c9e0b3 2020-06-08T12:40:47 tree-wide: mark local functions as static We've accumulated quite some functions which are never used outside of their respective code unit, but which are lacking the `static` keyword. Add it to reduce their linkage scope and allow the compiler to optimize better.
Patrick Steinhardt 7c499b54 2020-06-08T12:39:09 tree-wide: remove unused functions We have some functions which aren't used anywhere. Let's remove them to get rid of unneeded baggage.
Patrick Steinhardt 939cb73f 2020-06-08T15:28:20 examples: log: fix documentation generation Docurium seems to be confused by our use of `/** comment */;` use in the log example. Let's just switch it around to help Docurium get this right.
Patrick Steinhardt 46637b5e 2020-06-08T14:47:01 checkout: remove unused code for deferred removals With commit 05f690122 (checkout: remove blocking dir when FORCEd, 2015-03-31), the last case was removde that actually queued a deferred removal. This is now more than five years in the past and nobody complained, so we can rest quite assured that the deferred removal is not really needed at all. Let's remove all related code to simplify the already complicated checkout logic.
Patrick Steinhardt 9e4e25b1 2020-06-08T12:57:48 tests: refs: modernize coding style of testcase The coding style of the testcase refs::create::propagate_eexists is not really up-to-date. Convert it to use a more modern coding style.
Patrick Steinhardt 45901d3e 2020-06-08T12:57:16 revparse: remove superfluous tab character
Patrick Steinhardt c146374c 2020-06-08T12:54:26 revparse: detect out-of-memory cases when parsing curly brace contents When extracting curly braces (e.g. the "upstream" part in "HEAD@{upstream}"), we put the curly braces' contents into a `git_buf` structure, but don't check the return value of `git_buf_putc`. So when we run out-of-memory, we'll use a partially filled buffer without noticing. Let's fix this issue by checking `git_buf_putc`'s return value.
Edward Thomson b2217552 2020-06-07T01:02:38 Revert .github/workflows/main.yml
Edward Thomson c16ba496 2020-06-07T00:37:55 yo
Edward Thomson d1f3933e 2020-06-07T00:35:19 Update main.yml
Edward Thomson e51002ab 2020-06-07T00:33:18 Update main.yml
Edward Thomson 8f48cbf7 2020-06-07T00:30:39 Update main.yml