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* hashmap: remove type arg from hashmap_{get,put,remove}_entryEric Wong2019-10-071-2/+1
| | | | | | | | | | | | | Since these macros already take a `keyvar' pointer of a known type, we can rely on OFFSETOF_VAR to get the correct offset without relying on non-portable `__typeof__' and `offsetof'. Argument order is also rearranged, so `keyvar' and `member' are sequential as they are used as: `keyvar->member' Signed-off-by: Eric Wong <e@80x24.org> Reviewed-by: Derrick Stolee <stolee@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* hashmap: introduce hashmap_free_entriesEric Wong2019-10-071-1/+1
| | | | | | | | | | | | | | | `hashmap_free_entries' behaves like `container_of' and passes the offset of the hashmap_entry struct to the internal `hashmap_free_' function, allowing the function to free any struct pointer regardless of where the hashmap_entry field is located. `hashmap_free' no longer takes any arguments aside from the hashmap itself. Signed-off-by: Eric Wong <e@80x24.org> Reviewed-by: Derrick Stolee <stolee@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* hashmap_cmp_fn takes hashmap_entry paramsEric Wong2019-10-071-4/+6
| | | | | | | | | Another step in eliminating the requirement of hashmap_entry being the first member of a struct. Signed-off-by: Eric Wong <e@80x24.org> Reviewed-by: Derrick Stolee <stolee@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* hashmap_get{,_from_hash} return "struct hashmap_entry *"Eric Wong2019-10-071-1/+2
| | | | | | | | | | | | Update callers to use hashmap_get_entry, hashmap_get_entry_from_hash or container_of as appropriate. This is another step towards eliminating the requirement of hashmap_entry being the first field in a struct. Signed-off-by: Eric Wong <e@80x24.org> Reviewed-by: Derrick Stolee <stolee@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* hashmap_get takes "const struct hashmap_entry *"Eric Wong2019-10-071-1/+1
| | | | | | | | | This is less error-prone than "const void *" as the compiler now detects invalid types being passed. Signed-off-by: Eric Wong <e@80x24.org> Reviewed-by: Derrick Stolee <stolee@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* hashmap_add takes "struct hashmap_entry *"Eric Wong2019-10-071-1/+1
| | | | | | | | | This is less error-prone than "void *" as the compiler now detects invalid types being passed. Signed-off-by: Eric Wong <e@80x24.org> Reviewed-by: Derrick Stolee <stolee@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* hashmap_entry_init takes "struct hashmap_entry *"Eric Wong2019-10-071-1/+1
| | | | | | | | | | | C compilers do type checking to make life easier for us. So rely on that and update all hashmap_entry_init callers to take "struct hashmap_entry *" to avoid future bugs while improving safety and readability. Signed-off-by: Eric Wong <e@80x24.org> Reviewed-by: Derrick Stolee <stolee@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* hashmap: convert sha1hash() to oidhash()Jeff King2019-06-201-1/+1
| | | | | | | | | | | There are no callers left of sha1hash() that do not simply pass the "hash" member of a "struct object_id". Let's get rid of the outdated sha1-specific function and provide one that operates on the whole struct (even though the technique, taking the first few bytes of the hash, will remain the same). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* format-patch: make --base patch-id output stableStephen Boyd2019-05-081-5/+5
| | | | | | | | | | | | | We weren't flushing the context each time we processed a hunk in the patch-id generation code in diff.c, but we were doing that when we generated "stable" patch-ids with the 'patch-id' tool. Let's port that similar logic over from patch-id.c into diff.c so we can get the same hash when we're generating patch-ids for 'format-patch --base=' types of command invocations. Cc: Xiaolong Ye <xiaolong.ye@intel.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Merge branch 'nd/the-index'Junio C Hamano2018-10-191-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 ...
| * patch-ids.c: remove implicit dependency on the_indexNguyễn Thái Ngọc Duy2018-09-211-2/+2
| | | | | | | | | | Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * diff.c: remove implicit dependency on the_indexNguyễn Thái Ngọc Duy2018-09-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | A new variant repo_diff_setup() is added that takes 'struct repository *' and diff_setup() becomes a thin macro around it that is protected by NO_THE_REPOSITORY_COMPATIBILITY_MACROS, similar to NO_THE_INDEX_.... The plan is these macros will always be defined for all library files and the macros are only accessible in builtin/ Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | convert hashmap comparison functions to oideq()Jeff King2018-08-291-4/+4
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | The comparison functions used for hashmaps don't care about strict ordering; they only want to compare entries for equality. Let's use the oideq() function instead, which can potentially be better optimized. Note that unlike the previous patches mass-converting calls like "!oidcmp()", this patch could actually provide an improvement even with the current implementation. Those comparison functions are passed around as function pointers, so at compile-time the compiler cannot realize that the caller (which is in another file completely) will treat the return value as a boolean. Note that this does change the return values in quite a subtle way (it's still an int, but now the sign bit is irrelevant for ordering). Because of their funny hashmap-specific signature, it's unlikely that any of these static functions would be reused for more generic ordering. But to be double-sure, let's stop using "cmp" in their names. Calling them "eq" doesn't quite work either, because the hashmap convention is actually _inverted_. "0" means "same", and non-zero means "different". So I've called them "neq" by convention here. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* diff: make struct diff_flags members lowercasebw/diff-opt-impl-to-bitfieldsBrandon Williams2017-11-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that the flags stored in struct diff_flags are being accessed directly and not through macros, change all struct members from being uppercase to lowercase. This conversion is done using the following semantic patch: @@ expression E; @@ - E.RECURSIVE + E.recursive @@ expression E; @@ - E.TREE_IN_RECURSIVE + E.tree_in_recursive @@ expression E; @@ - E.BINARY + E.binary @@ expression E; @@ - E.TEXT + E.text @@ expression E; @@ - E.FULL_INDEX + E.full_index @@ expression E; @@ - E.SILENT_ON_REMOVE + E.silent_on_remove @@ expression E; @@ - E.FIND_COPIES_HARDER + E.find_copies_harder @@ expression E; @@ - E.FOLLOW_RENAMES + E.follow_renames @@ expression E; @@ - E.RENAME_EMPTY + E.rename_empty @@ expression E; @@ - E.HAS_CHANGES + E.has_changes @@ expression E; @@ - E.QUICK + E.quick @@ expression E; @@ - E.NO_INDEX + E.no_index @@ expression E; @@ - E.ALLOW_EXTERNAL + E.allow_external @@ expression E; @@ - E.EXIT_WITH_STATUS + E.exit_with_status @@ expression E; @@ - E.REVERSE_DIFF + E.reverse_diff @@ expression E; @@ - E.CHECK_FAILED + E.check_failed @@ expression E; @@ - E.RELATIVE_NAME + E.relative_name @@ expression E; @@ - E.IGNORE_SUBMODULES + E.ignore_submodules @@ expression E; @@ - E.DIRSTAT_CUMULATIVE + E.dirstat_cumulative @@ expression E; @@ - E.DIRSTAT_BY_FILE + E.dirstat_by_file @@ expression E; @@ - E.ALLOW_TEXTCONV + E.allow_textconv @@ expression E; @@ - E.TEXTCONV_SET_VIA_CMDLINE + E.textconv_set_via_cmdline @@ expression E; @@ - E.DIFF_FROM_CONTENTS + E.diff_from_contents @@ expression E; @@ - E.DIRTY_SUBMODULES + E.dirty_submodules @@ expression E; @@ - E.IGNORE_UNTRACKED_IN_SUBMODULES + E.ignore_untracked_in_submodules @@ expression E; @@ - E.IGNORE_DIRTY_SUBMODULES + E.ignore_dirty_submodules @@ expression E; @@ - E.OVERRIDE_SUBMODULE_CONFIG + E.override_submodule_config @@ expression E; @@ - E.DIRSTAT_BY_LINE + E.dirstat_by_line @@ expression E; @@ - E.FUNCCONTEXT + E.funccontext @@ expression E; @@ - E.PICKAXE_IGNORE_CASE + E.pickaxe_ignore_case @@ expression E; @@ - E.DEFAULT_FOLLOW_RENAMES + E.default_follow_renames Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* diff: remove DIFF_OPT_SET macroBrandon Williams2017-11-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | Remove the `DIFF_OPT_SET` macro and instead set the flags directly. This conversion is done using the following semantic patch: @@ expression E; identifier fld; @@ - DIFF_OPT_SET(&E, fld) + E.flags.fld = 1 @@ type T; T *ptr; identifier fld; @@ - DIFF_OPT_SET(ptr, fld) + ptr->flags.fld = 1 Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* patch-ids.c: drop hashmap_cmp_fn castStefan Beller2017-07-051-5/+9
| | | | | Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* patch-ids.c: use hashmap correctlyStefan Beller2017-06-301-4/+4
| | | | | | | | | | | | | | | | As alluded to in the previous patch, the code in patch-ids.c is using the hashmaps API wrong. Luckily we do not have a bug, as all hashmap functionality that we use here (hashmap_get) passes through the keydata. If hashmap_get_next were to be used, a bug would occur as that passes NULL for the key_data. So instead use the hashmap API correctly and provide the caller required data in the compare function via the first argument that always gets passed and was setup via the hashmap_init function. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* hashmap.h: compare function has access to a data fieldStefan Beller2017-06-301-2/+4
| | | | | | | | | | | | | | | | | | | | | When using the hashmap a common need is to have access to caller provided data in the compare function. A couple of times we abuse the keydata field to pass in the data needed. This happens for example in patch-ids.c. This patch changes the function signature of the compare function to have one more void pointer available. The pointer given for each invocation of the compare function must be defined in the init function of the hashmap and is just passed through. Documentation of this new feature is deferred to a later patch. This is a rather mechanical conversion, just adding the new pass-through parameter. However while at it improve the naming of the fields of all compare functions used by hashmaps by ensuring unused parameters are prefixed with 'unused_' and naming the parameters what they are (instead of 'unused' make it 'unused_keydata'). Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* diff-tree: convert diff_tree_sha1 to struct object_idBrandon Williams2017-06-051-2/+2
| | | | | Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* tree-diff: convert diff_root_tree_sha1 to struct object_idBrandon Williams2017-06-021-1/+1
| | | | | Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* diff: convert diff_flush_patch_id to struct object_idBrandon Williams2017-06-021-1/+1
| | | | | Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* patch-ids: convert to struct object_idBrandon Williams2017-06-021-10/+10
| | | | | Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* add_commit_patch_id(): avoid allocating memory unnecessarilyJohannes Schindelin2017-05-081-1/+2
| | | | | | | | | | It would appear that we allocate (and forget to release) memory if the patch ID is not even defined. Reported by the Coverity tool. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Convert GIT_SHA1_RAWSZ used for allocation to GIT_MAX_RAWSZbrian m. carlson2017-03-261-1/+1
| | | | | | | | | | | | | Since we will likely be introducing a new hash function at some point, and that hash function might be longer than 20 bytes, use the constant GIT_MAX_RAWSZ, which is designed to be suitable for allocations, instead of GIT_SHA1_RAWSZ. This will ease the transition down the line by distinguishing between places where we need to allocate memory suitable for the largest hash from those where we need to handle the current hash. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* patch-ids: refuse to compute patch-id for merge commitjk/patch-ids-no-mergesJeff King2016-09-121-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The patch-id code which powers "log --cherry-pick" doesn't look at whether each commit is a merge or not. It just feeds the commit's first parent to the diff, and ignores any additional parents. In theory, this might be useful if you wanted to find equivalence between, say, a merge commit and a squash-merge that does the same thing. But it also promotes a false equivalence between distinct merges. For example, every "merge -s ours" would look identical to an empty commit (which is true in a sense, but presumably there was a value in merging in the discarded history). Since patch-ids are meant for throwing away duplicates, we should err on the side of _not_ matching such merges. Moreover, we may spend a lot of extra time computing these merge diffs. In the case that inspired this patch, a "git format-patch --cherry-pick" dropped from over 3 minutes to less than 3 seconds. This seems pretty drastic, but is easily explained. The command was invoked by a "git rebase" of an older topic branch; there had been tens of thousands of commits on the upstream branch in the meantime. In addition, this project used a topic-branch workflow with occasional "back-merges" from "master" to each topic (to resolve conflicts on the topics rather than in the merge commits). So there were not only extra merges, but the diffs for these back-merges were generally quite large (because they represented _everything_ that had been merged to master since the topic branched). This patch treats a merge fed to commit_patch_id() or add_commit_patch_id() as an error, and a lookup for such a merge via has_commit_patch_id() will always return NULL. An earlier version of the patch tried to distinguish between "error" and "patch id for merges not defined", but that becomes unnecessarily complicated. The only callers are: 1. revision traversals which want to do --cherry-pick; they call add_commit_patch_id(), but do not care if it fails. They only want to add what we can, look it up later with has_commit_patch_id(), and err on the side of not-matching. 2. format-patch --base, which calls commit_patch_id(). This _does_ notice errors, but should never feed a merge in the first place (and if it were to do so accidentally, then this patch is a strict improvement; we notice the bug rather than generating a bogus patch-id). So in both cases, this does the right thing. Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* patch-ids: turn off rename detectionJeff King2016-09-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The patch-id code may be running inside another porcelain like "git log" or "git format-patch", and therefore may have set diff_detect_rename_default, either via the diff-ui config, or by default since 5404c11 (diff: activate diff.renames by default, 2016-02-25). This is the case even if a command is run with `--no-renames`, as that is applied only to the diff-options used by the command itself. Rename detection doesn't help the patch-id results. It _may_ actually hurt, as minor differences in the files that would be overlooked by patch-id's canonicalization might result in different renames (though I'd doubt that it ever comes up in practice). But mostly it is just a waste of CPU to compute these renames. Note that this does have one user-visible impact: the prerequisite patches listed by "format-patch --base". There may be some confusion between different versions of git as older ones will enable renames, but newer ones will not. However, this was already a problem, as people with different settings for the "diff.renames" config would get different results. After this patch, everyone should get the same results, regardless of their config. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* rebase: avoid computing unnecessary patch IDsKevin Willford2016-08-111-6/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The `rebase` family of Git commands avoid applying patches that were already integrated upstream. They do that by using the revision walking option that computes the patch IDs of the two sides of the rebase (local-only patches vs upstream-only ones) and skipping those local patches whose patch ID matches one of the upstream ones. In many cases, this causes unnecessary churn, as already the set of paths touched by a given commit would suffice to determine that an upstream patch has no local equivalent. This hurts performance in particular when there are a lot of upstream patches, and/or large ones. Therefore, let's introduce the concept of a "diff-header-only" patch ID, compare those first, and only evaluate the "full" patch ID lazily. Please note that in contrast to the "full" patch IDs, those "diff-header-only" patch IDs are prone to collide with one another, as adjacent commits frequently touch the very same files. Hence we now have to be careful to allow multiple hash entries with the same hash. We accomplish that by using the hashmap_add() function that does not even test for hash collisions. This also allows us to evaluate the full patch ID lazily, i.e. only when we found commits with matching diff-header-only patch IDs. We add a performance test that demonstrates ~1-6% improvement. In practice this will depend on various factors such as how many upstream changes and how big those changes are along with whether file system caches are cold or warm. As Git's test suite has no way of catching performance regressions, we also add a regression test that verifies that the full patch ID computation is skipped when the diff-header-only computation suffices. Signed-off-by: Kevin Willford <kcwillford@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* patch-ids: add flag to create the diff patch id using header only dataKevin Willford2016-07-291-1/+1
| | | | | | | | This will allow a diff patch id to be created using only the header data so that the contents of the file will not have to be loaded. Signed-off-by: Kevin Willford <kcwillford@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* patch-ids: replace the seen indicator with a commit pointerKevin Willford2016-07-291-0/+1
| | | | | | | | | | The cherry_pick_list was looping through the original side checking the seen indicator and setting the cherry_flag on the commit. If we save off the commit in the patch_id we can set the cherry_flag on the correct commit when running through the other side when a patch_id match is found. Signed-off-by: Kevin Willford <kcwillford@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* patch-ids: stop using a hand-rolled hashmap implementationKevin Willford2016-07-291-57/+29
| | | | | | | | | This change will use the hashmap from the hashmap.h to keep track of the patch_ids that have been encountered instead of using an internal implementation. This simplifies the implementation of the patch ids. Signed-off-by: Kevin Willford <kcwillford@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* patch-ids: make commit_patch_id() a public helper functionXiaolong Ye2016-04-261-1/+1
| | | | | | | Make commit_patch_id() available to other builtins. Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Remove get_object_hash.brian m. carlson2015-11-201-3/+3
| | | | | | | | | Convert all instances of get_object_hash to use an appropriate reference to the hash member of the oid member of struct object. This provides no functional change, as it is essentially a macro substitution. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Jeff King <peff@peff.net>
* Add several uses of get_object_hash.brian m. carlson2015-11-201-3/+3
| | | | | | | | | | | Convert most instances where the sha1 member of struct object is dereferenced to use get_object_hash. Most instances that are passed to functions that have versions taking struct object_id, such as get_sha1_hex/get_oid_hex, or instances that can be trivially converted to use struct object_id instead, are not converted. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Jeff King <peff@peff.net>
* patch-ids.c: use ALLOC_GROW() in add_commit()Dmitry S. Dolzhenko2014-03-031-4/+1
| | | | | Signed-off-by: Dmitry S. Dolzhenko <dmitrys.dolzhenko@yandex.ru> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* diff_setup_done(): return voidThomas Rast2012-08-031-2/+1
| | | | | | | | | | | | | | | | | diff_setup_done() has historically returned an error code, but lost the last nonzero return in 943d5b7 (allow diff.renamelimit to be set regardless of -M/-C, 2006-08-09). The callers were in a pretty confused state: some actually checked for the return code, and some did not. Let it return void, and patch all callers to take this into account. This conveniently also gets rid of a handful of different(!) error messages that could never be triggered anyway. Note that the function can still die(). Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* patch-ids: use the new generic "sha1_pos" function to lookup sha1Christian Couder2009-04-041-88/+5
| | | | | | | instead of the specific one from which the new one has been copied. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Make the diff_options bitfields be an unsigned with explicit masks.Pierre Habouzit2007-11-111-1/+1
| | | | | | | reverse_diff was a bit-value in disguise, it's merged in the flags now. Signed-off-by: Pierre Habouzit <madcoder@debian.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Refactor patch-id filtering out of git-cherry and git-format-patch.Junio C Hamano2007-04-111-0/+192
This implements the patch-id computation and recording library, patch-ids.c, and rewrites the get_patch_ids() function used in cherry and format-patch to use it, so that they do not pollute the object namespace. Earlier code threw non-objects into the in-core object database, and hoped for not getting bitten by SHA-1 collisions. While it may be practically Ok, it still was an ugly hack. Signed-off-by: Junio C Hamano <junkio@cox.net>
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