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2018-10-30Merge branch 'ss/rename-tests'Libravatar Junio C Hamano7-147/+137
Reorganize some tests and rename them; "ls t/" now gives a better overview of what is tested for these scripts than before. * ss/rename-tests: t7501: rename commit test to comply with naming convention t7500: rename commit tests script to comply with naming convention t7502: rename commit test script to comply with naming convention t7509: cleanup description and filename t2000: rename and combine checkout clash tests
2018-10-30Merge branch 'jc/receive-deny-current-branch-fix'Libravatar Junio C Hamano1-1/+7
The receive.denyCurrentBranch=updateInstead codepath kicked in even when the push should have been rejected due to other reasons, such as it does not fast-forward or the update-hook rejects it, which has been corrected. * jc/receive-deny-current-branch-fix: receive: denyCurrentBranch=updateinstead should not blindly update
2018-10-30Merge branch 'js/diff-notice-has-drive-prefix'Libravatar Junio C Hamano1-0/+10
Under certain circumstances, "git diff D:/a/b/c D:/a/b/d" on Windows would strip initial parts from the paths because they were not recognized as absolute, which has been corrected. * js/diff-notice-has-drive-prefix: diff: don't attempt to strip prefix from absolute Windows paths
2018-10-30Merge branch 'rj/header-guards'Libravatar Junio C Hamano1-2/+2
Code clean-up. * rj/header-guards: headers: normalize the spelling of some header guards
2018-10-30Merge branch 'jk/test-tool-help'Libravatar Junio C Hamano1-2/+13
Developer support. * jk/test-tool-help: test-tool: show tool list on error
2018-10-30Merge branch 'js/pack-objects-mutex-init-fix'Libravatar Junio C Hamano1-0/+32
A mutex used in "git pack-objects" were not correctly initialized and this caused "git repack" to dump core on Windows. * js/pack-objects-mutex-init-fix: pack-objects (mingw): initialize `packing_data` mutex in the correct spot pack-objects (mingw): demonstrate a segmentation fault with large deltas pack-objects: fix typo 'detla' -> 'delta'
2018-10-30Merge branch 'jk/run-command-notdot'Libravatar Junio C Hamano1-1/+12
The implementation of run_command() API on the UNIX platforms had a bug that caused a command not on $PATH to be found in the current directory. * jk/run-command-notdot: run-command: mark path lookup errors with ENOENT
2018-10-30Merge branch 'tb/filter-alternate-refs'Libravatar Junio C Hamano1-1/+1
Test fix. * tb/filter-alternate-refs: t5410: use longer path for sample script Documentation/config.txt: fix typo in core.alternateRefsCommand
2018-10-30Merge branch 'lm/range-diff-submodule-fix'Libravatar Junio C Hamano1-0/+29
"git range-diff" did not work well when the compared ranges had changes in submodules and the "--submodule=log" was used. * lm/range-diff-submodule-fix: range-diff: allow to diff files regardless of submodule config
2018-10-30Merge branch 'md/filter-trees'Libravatar Junio C Hamano4-0/+190
The "rev-list --filter" feature learned to exclude all trees via "tree:0" filter. * md/filter-trees: list-objects: support for skipping tree traversal filter-trees: code clean-up of tests list-objects-filter: implement filter tree:0 list-objects-filter-options: do not over-strbuf_init list-objects-filter: use BUG rather than die revision: mark non-user-given objects instead rev-list: handle missing tree objects properly list-objects: always parse trees gently list-objects: refactor to process_tree_contents list-objects: store common func args in struct
2018-10-26Merge branch 'ld/p4-unshelve'Libravatar Junio C Hamano1-16/+59
"git p4 unshelve" improvements. * ld/p4-unshelve: git-p4: fully support unshelving changelists git-p4: unshelve into refs/remotes/p4-unshelved, not refs/remotes/p4/unshelved git-p4: do not fail in verbose mode for missing 'fileSize' key
2018-10-26Merge branch 'np/log-graph-octopus-fix'Libravatar Junio C Hamano1-0/+102
"git log --graph" showing an octopus merge sometimes miscounted the number of display columns it is consuming to show the merge and its parent commits, which has been corrected. * np/log-graph-octopus-fix: log: fix coloring of certain octopus merge shapes
2018-10-26Merge branch 'sg/split-index-racefix'Libravatar Junio C Hamano2-21/+242
The codepath to support the experimental split-index mode had remaining "racily clean" issues fixed. * sg/split-index-racefix: split-index: BUG() when cache entry refers to non-existing shared entry split-index: smudge and add racily clean cache entries to split index split-index: don't compare cached data of entries already marked for split index split-index: count the number of deleted entries t1700-split-index: date back files to avoid racy situations split-index: add tests to demonstrate the racy split index problem t1700-split-index: document why FSMONITOR is disabled in this test script
2018-10-26Merge branch 'ma/t7005-bash-workaround'Libravatar Junio C Hamano1-1/+1
Test fix. * ma/t7005-bash-workaround: t7005-editor: quote filename to fix whitespace-issue
2018-10-25range-diff: allow to diff files regardless of submodule configLibravatar Lucas De Marchi1-0/+29
If we have `submodule.diff = log' in the configuration file or `--submodule=log' is given as argument, range-diff fails to compare both diffs and we only get the following output: Submodule a 0000000...0000000 (new submodule) Even if the repository doesn't have any submodule. That's because the mode in diff_filespec is not correct and when flushing the diff, down in builtin_diff() we will enter the condition: if (o->submodule_format == DIFF_SUBMODULE_LOG && (!one->mode || S_ISGITLINK(one->mode)) && (!two->mode || S_ISGITLINK(two->mode))) { show_submodule_summary(o, one->path ? one->path : two->path, &one->oid, &two->oid, two->dirty_submodule); return; It turns out that S_ISGITLINK will return true (mode == 0160000 here). Similar thing happens if submodule.diff is "diff". Do like it's done in grep.c when calling fill_filespec() and force it to be recognized as a file by adding S_IFREG to the mode. Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Acked-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-25t5410: use longer path for sample scriptLibravatar Jeff King1-1/+1
t5410 creates a sample script "alternate-refs", and sets core.alternateRefsCommand to just "alternate-refs". That shouldn't work, as "." is not in our $PATH, and so we should not find it. However, due to a bug in run-command.c, we sometimes find it anyway! Even more confusing, this bug is only in the fork-based version of run-command. So the test passes on Linux (etc), but fails on Windows. In preparation for fixing the run-command bug, let's use a more complete path here. Reported-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-25t0061: adjust to test-tool transitionLibravatar Junio C Hamano1-1/+12
2018-10-25run-command: mark path lookup errors with ENOENTLibravatar Jeff King1-1/+12
Since commit e3a434468f (run-command: use the async-signal-safe execv instead of execvp, 2017-04-19), prepare_cmd() does its own PATH lookup for any commands we run (on non-Windows platforms). However, its logic does not match the old execvp call when we fail to find a matching entry in the PATH. Instead of feeding the name directly to execv, execvp would consider that an ENOENT error. By continuing and passing the name directly to execv, we effectively behave as if "." was included at the end of the PATH. This can have confusing and even dangerous results. The fix itself is pretty straight-forward. There's a new test in t0061 to cover this explicitly, and I've also added a duplicate of the ENOENT test to ensure that we return the correct errno for this case. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-23t7501: rename commit test to comply with naming conventionLibravatar Stephen P. Smith1-0/+0
The naming convention was documented [1] but this script was not renamed. The original commit message indicates the script tests basic commit functionality. Clean up the test name by changing the file name to specify the intent as documented in the initial commit. [1] f50c9f76c ("Rename some test scripts and describe the naming convention", 2005-05-15) Signed-off-by: Stephen P. Smith <ischis2@cox.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-23t7500: rename commit tests script to comply with naming conventionLibravatar Stephen P. Smith1-1/+1
When the test naming convention was documented[1] the commit script was not renamed. Update the test description to note that the tests fall into four general categories: template, sign-off, -F and squash tests. Chose to not add "File" to the new script name as that did not seem to convey the current test contents for that switch. [1] f50c9f76c ("Rename some test scripts and describe the naming convention", 2005-05-15) Signed-off-by: Stephen P. Smith <ischis2@cox.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-23t7502: rename commit test script to comply with naming conventionLibravatar Stephen P. Smith1-0/+0
When the test naming convention was documented[1] the commit script was not renamed. The test description for t7502 indicates that the test file is to contain porcelain type options for the commit command. The tests don't fall into a single category. There are tests for cleanup, sign-off, multiple message options, etc. Rename the t7502-commit.sh to t7502-commit-porcelain.sh which reflects the high level nature and usage of the options to commit. [1] f50c9f76c ("Rename some test scripts and describe the naming convention", 2005-05-15) Signed-off-by: Stephen P. Smith <ischis2@cox.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-23t7509: cleanup description and filenameLibravatar Stephen P. Smith1-1/+1
Rename test and update the test description to explicitly state that included tests all relate to commit authorship. The t7509-commit.sh file was not renamed when other scripts were updated in compliance with the test naming convention. [1] f50c9f76c ("Rename some test scripts and describe the naming convention", 2005-05-15) Signed-off-by: Stephen P. Smith <ischis2@cox.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-23t2000: rename and combine checkout clash testsLibravatar Stephen P. Smith3-145/+135
In an earlier patch some tests scripts were renamed and a naming convention was documented. [1] Merge t2000-checkout-cache-clash.sh and t2001-checkout-cache-clash.sh into t2000-conflict-when-checking-files-out.sh. [1] f50c9f76c ("Rename some test scripts and describe the naming convention", 2005-05-15) Signed-off-by: Stephen P. Smith <ischis2@cox.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-22diff: don't attempt to strip prefix from absolute Windows pathsLibravatar Johannes Sixt1-0/+10
git diff can be invoked with absolute paths. Typically, this triggers the --no-index case. Then the absolute paths remain in the file names that are printed in the output. There is one peculiarity, though: When the command is invoked from a a sub-directory in a repository, then it is attempted to strip the sub-directory from the beginning of relative paths. Yet, to detect a relative path the code just checks for an initial forward slash. This mistakes a Windows style path like "D:/base" as a relative path and the output looks like this, for example: D:\dir\test\one>git -P diff --numstat D:\dir\base D:\dir\diff 1 1 ir/{base => diff}/1.txt where the correct output should be D:\dir\test\one>git -P diff --numstat D:\dir\base D:\dir\diff 1 1 D:/dir/{base => diff}/1.txt If the sub-directory where 'git diff' is invoked is sufficiently deep that the prefix becomes longer than the path to be printed, then the subsequent code accesses the path out of bounds. Use is_absolute_path() to detect Windows style absolute paths. One might wonder whether the check for a directory separator that is visible in the patch context should be changed from == '/' to is_dir_sep() or not. It turns out not to be necessary. That code only ever investigates paths that have undergone pathspec normalization, after which there are only forward slashes even on Windows. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-19receive: denyCurrentBranch=updateinstead should not blindly updateLibravatar Junio C Hamano1-1/+7
The handling of receive.denyCurrentBranch=updateInstead was added to a switch statement that handles other values of the variable, but all the other case arms only checked a condition to reject the attempted push, or let later logic in the same function to still intervene, so that a push that does not fast-forward (which is checked after the switch statement in question) is still rejected. But the handling of updateInstead incorrectly took immediate effect, without giving other checks a chance to intervene. Instead of calling update_worktree() that causes the side effect immediately, just note the fact that we will need to call the function later, and first give other checks a chance to reject the request. After the update-hook gets a chance to reject the push (which happens as the last step in a series of checks), call update_worktree() when we earlier detected the need to. Reported-by: Rajesh Madamanchi Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-19pack-objects (mingw): initialize `packing_data` mutex in the correct spotLibravatar Johannes Schindelin1-1/+1
In 9ac3f0e5b3e4 (pack-objects: fix performance issues on packing large deltas, 2018-07-22), a mutex was introduced that is used to guard the call to set the delta size. This commit even added code to initialize it, but at an incorrect spot: in `init_threaded_search()`, while the call to `oe_set_delta_size()` (and hence to `packing_data_lock()`) can happen in the call chain `check_object()` <- `get_object_details()` <- `prepare_pack()` <- `cmd_pack_objects()`, which is long before the `prepare_pack()` function calls `ll_find_deltas()` (which initializes the threaded search). Another tell-tale that the mutex was initialized in an incorrect spot is that the function to initialize it lives in builtin/, while the code that uses the mutex is defined in a libgit.a header file. Let's use a more appropriate function: `prepare_packing_data()`, which not only lives in libgit.a, but *has* to be called before the `packing_data` struct is used that contains that mutex. This fixes https://github.com/git-for-windows/git/issues/1839. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-19pack-objects (mingw): demonstrate a segmentation fault with large deltasLibravatar Johannes Schindelin1-0/+32
There is a problem in the way 9ac3f0e5b3e4 (pack-objects: fix performance issues on packing large deltas, 2018-07-22) initializes that mutex in the `packing_data` struct. The problem manifests in a segmentation fault on Windows, when a mutex (AKA critical section) is accessed without being initialized. (With pthreads, you apparently do not really have to initialize them?) This was reported in https://github.com/git-for-windows/git/issues/1839. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-19Merge branch 'jt/cache-tree-allow-missing-object-in-partial-clone'Libravatar Junio C Hamano1-0/+33
In a partial clone that will lazily be hydrated from the originating repository, we generally want to avoid "does this object exist (locally)?" on objects that we deliberately omitted when we created the clone. The cache-tree codepath (which is used to write a tree object out of the index) however insisted that the object exists, even for paths that are outside of the partial checkout area. The code has been updated to avoid such a check. * jt/cache-tree-allow-missing-object-in-partial-clone: cache-tree: skip some blob checks in partial clone
2018-10-19Merge branch 'tb/filter-alternate-refs'Libravatar Junio C Hamano1-0/+41
When pushing into a repository that borrows its objects from an alternate object store, "git receive-pack" that responds to the push request on the other side lists the tips of refs in the alternate to reduce the amount of objects transferred. This sometimes is detrimental when the number of refs in the alternate is absurdly large, in which case the bandwidth saved in potentially fewer objects transferred is wasted in excessively large ref advertisement. The alternate refs that are advertised are now configurable with a pair of configuration variables. * tb/filter-alternate-refs: transport.c: introduce core.alternateRefsPrefixes transport.c: introduce core.alternateRefsCommand transport.c: extract 'fill_alternate_refs_command' transport: drop refnames from for_each_alternate_ref
2018-10-19Merge branch 'jt/avoid-ls-refs'Libravatar Junio C Hamano2-0/+32
Over some transports, fetching objects with an exact commit object name can be done without first seeing the ref advertisements. The code has been optimized to exploit this. * jt/avoid-ls-refs: fetch: do not list refs if fetching only hashes transport: list refs before fetch if necessary transport: do not list refs if possible transport: allow skipping of ref listing
2018-10-19Merge branch 'jt/non-blob-lazy-fetch'Libravatar Junio C Hamano1-0/+41
A partial clone that is configured to lazily fetch missing objects will on-demand issue a "git fetch" request to the originating repository to fill not-yet-obtained objects. The request has been optimized for requesting a tree object (and not the leaf blob objects contained in it) by telling the originating repository that no blobs are needed. * jt/non-blob-lazy-fetch: fetch-pack: exclude blobs when lazy-fetching trees fetch-pack: avoid object flags if no_dependents
2018-10-19Merge branch 'rs/grep-no-recursive'Libravatar Junio C Hamano1-0/+12
Unlike "grep", "git grep" by default recurses to the whole tree. The command learned "git grep --recursive" option, so that "git grep --no-recursive" can serve as a synonym to setting the max-depth to 0. * rs/grep-no-recursive: grep: add -r/--[no-]recursive
2018-10-19Merge branch 'nd/help-commands-verbose-by-default'Libravatar Junio C Hamano1-2/+2
"git help -a" and "git help -av" give different pieces of information, and generally the "verbose" version is more friendly to the new users. "git help -a" by default now uses the more verbose output (with "--no-verbose", you can go back to the original). Also "git help -av" now lists aliases and external commands, which it did not used to. * nd/help-commands-verbose-by-default: help -a: improve and make --verbose default
2018-10-19Merge branch 'sm/show-superproject-while-conflicted'Libravatar Junio C Hamano1-0/+16
A corner-case bugfix. * sm/show-superproject-while-conflicted: rev-parse: --show-superproject-working-tree should work during a merge
2018-10-19Merge branch 'jt/fetch-tips-in-partial-clone'Libravatar Junio C Hamano1-0/+17
"git fetch $repo $object" in a partial clone did not correctly fetch the asked-for object that is referenced by an object in promisor packfile, which has been fixed. * jt/fetch-tips-in-partial-clone: fetch: in partial clone, check presence of targets connected: document connectivity in partial clones
2018-10-19Merge branch 'bp/read-cache-parallel'Libravatar Junio C Hamano2-4/+14
A new extension to the index file has been introduced, which allows the file to be read in parallel. * bp/read-cache-parallel: read-cache: load cache entries on worker threads ieot: add Index Entry Offset Table (IEOT) extension read-cache: load cache extensions on a worker thread config: add new index.threads config setting eoie: add End of Index Entry (EOIE) extension read-cache: clean up casting and byte decoding read-cache.c: optimize reading index format v4
2018-10-19Merge branch 'bp/rename-test-env-var'Libravatar Junio C Hamano5-13/+52
Some environment variables that control the runtime options of Git used during tests are getting renamed for consistency. * bp/rename-test-env-var: t0000: do not get self-test disrupted by environment warnings preload-index: update GIT_FORCE_PRELOAD_TEST support read-cache: update TEST_GIT_INDEX_VERSION support fsmonitor: update GIT_TEST_FSMONITOR support preload-index: use git_env_bool() not getenv() for customization t/README: correct spelling of "uncommon"
2018-10-19Merge branch 'ss/wt-status-committable'Libravatar Junio C Hamano1-2/+8
Code clean-up in the internal machinery used by "git status" and "git commit --dry-run". * ss/wt-status-committable: roll wt_status_state into wt_status and populate in the collect phase wt-status.c: set the committable flag in the collect phase t7501: add test of "commit --dry-run --short" wt-status: rename commitable to committable wt-status.c: move has_unmerged earlier in the file
2018-10-19Merge branch 'nd/the-index'Libravatar Junio C Hamano1-1/+1
Various codepaths in the core-ish part learn to work on an arbitrary in-core index structure, not necessarily the default instance "the_index". * nd/the-index: (23 commits) revision.c: reduce implicit dependency the_repository revision.c: remove implicit dependency on the_index ws.c: remove implicit dependency on the_index tree-diff.c: remove implicit dependency on the_index submodule.c: remove implicit dependency on the_index line-range.c: remove implicit dependency on the_index userdiff.c: remove implicit dependency on the_index rerere.c: remove implicit dependency on the_index sha1-file.c: remove implicit dependency on the_index patch-ids.c: remove implicit dependency on the_index merge.c: remove implicit dependency on the_index merge-blobs.c: remove implicit dependency on the_index ll-merge.c: remove implicit dependency on the_index diff-lib.c: remove implicit dependency on the_index read-cache.c: remove implicit dependency on the_index diff.c: remove implicit dependency on the_index grep.c: remove implicit dependency on the_index diff.c: remove the_index dependency in textconv() functions blame.c: rename "repo" argument to "r" combine-diff.c: remove implicit dependency on the_index ...
2018-10-18headers: normalize the spelling of some header guardsLibravatar Ramsay Jones1-2/+2
Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-18list-objects: support for skipping tree traversalLibravatar Matthew DeVore1-0/+13
The tree:0 filter does not need to traverse the trees that it has filtered out, so optimize list-objects and list-objects-filter to skip traversing the trees entirely. Before this patch, we iterated over all children of the tree, and did nothing for all of them, which was wasteful. Signed-off-by: Matthew DeVore <matvore@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-18test-tool: show tool list on errorLibravatar Jeff King1-2/+13
Before we switched to one big test-tool binary, if you forgot the name of a tool, you could use tab-completion in the shell to get a hint. But these days, all you get is: $ t/helper/test-tool approxidate fatal: There is no test named 'approxidate' and you're stuck reading the source code to find it. Let's print a list of the available tools in this case. Signed-off-by: Jeff King <peff@peff.net> Reviewed-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-10-16Merge branch 'ma/t1400-undebug-test'Libravatar Junio C Hamano1-1/+1
Test fix. * ma/t1400-undebug-test: t1400: drop debug `echo` to actually execute `test`
2018-10-16Merge branch 'en/status-multiple-renames-to-the-same-target-fix'Libravatar Junio C Hamano1-0/+23
The code in "git status" sometimes hit an assertion failure. This was caused by a structure that was reused without cleaning the data used for the first run, which has been corrected. * en/status-multiple-renames-to-the-same-target-fix: commit: fix erroneous BUG, 'multiple renames on the same target? how?'
2018-10-16Merge branch 'jn/gc-auto'Libravatar Junio C Hamano1-3/+3
"gc --auto" ended up calling exit(-1) upon error, which has been corrected to use exit(1). Also the error reporting behaviour when daemonized has been updated to exit with zero status when stopping due to a previously discovered error (which implies there is no point running gc to improve the situation); we used to exit with failure in such a case. * jn/gc-auto: gc: do not return error for prior errors in daemonized mode
2018-10-16Merge branch 'jn/gc-auto-prep'Libravatar Junio C Hamano1-1/+1
Code clean-up. * jn/gc-auto-prep: gc: exit with status 128 on failure gc: improve handling of errors reading gc.log
2018-10-16Merge branch 'md/test-cleanup'Libravatar Junio C Hamano38-399/+550
Various test scripts have been updated for style and also correct handling of exit status of various commands. * md/test-cleanup: tests: order arguments to git-rev-list properly t9109: don't swallow Git errors upstream of pipes tests: don't swallow Git errors upstream of pipes t/*: fix ordering of expected/observed arguments tests: standardize pipe placement Documentation: add shell guidelines t/README: reformat Do, Don't, Keep in mind lists
2018-10-16Merge branch 'tg/t5551-with-curl-7.61.1'Libravatar Junio C Hamano1-34/+34
Test update. * tg/t5551-with-curl-7.61.1: t5551: compare sorted cookies files t5551: move setup code inside test_expect blocks
2018-10-16Merge branch 'ts/alias-of-alias'Libravatar Junio C Hamano1-0/+40
An alias that expands to another alias has so far been forbidden, but now it is allowed to create such an alias. * ts/alias-of-alias: t0014: introduce an alias testing suite alias: show the call history when an alias is looping alias: add support for aliases of an alias
2018-10-16Merge branch 'ds/commit-graph-with-grafts'Libravatar Junio C Hamano2-2/+68
The recently introduced commit-graph auxiliary data is incompatible with mechanisms such as replace & grafts that "breaks" immutable nature of the object reference relationship. Disable optimizations based on its use (and updating existing commit-graph) when these incompatible features are in use in the repository. * ds/commit-graph-with-grafts: commit-graph: close_commit_graph before shallow walk commit-graph: not compatible with uninitialized repo commit-graph: not compatible with grafts commit-graph: not compatible with replace objects test-repository: properly init repo commit-graph: update design document refs.c: upgrade for_each_replace_ref to be a each_repo_ref_fn callback refs.c: migrate internal ref iteration to pass thru repository argument