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As noted in commit 902c521a35 ("t6423: more involved directory rename
test", 2020-10-15), when we have a case where
* dir/subdir/ has several files
* almost all files in dir/subdir/ are renamed to folder/subdir/
* one of the files in dir/subdir/ is renamed to folder/subdir/newsubdir/
* the other side of history (that doesn't do the renames) adds a
new file to dir/subdir/
Then for the majority of the file renames, the directory rename of
dir/subdir/ -> folder/subdir/
is actually not represented that way but as
dir/ -> folder/
We also had one rename that was represented as
dir/subdir/ -> folder/subdir/newsubdir/
Now, since there's a new file in dir/subdir/, where does it go? Well,
there's only one rule for dir/subdir/, so the code previously noted that
this rule had the "majority" of the one "relevant" rename and thus
erroneously used it to place the file in folder/subdir/newsubdir/. We
really want the heavy weight associated with dir/ -> folder/ to also be
treated as dir/subdir/ -> folder/subdir/, so that we correctly place the
file in folder/subdir/.
Add a bunch of logic to make sure that we use all relevant renamings in
directory rename detection.
Note that testcase 12f of t6423 still fails after this, but it gets
further than merge-recursive does. There are some performance related
bits in that testcase (the region_enter messages) that do not yet
succeed, but the rest of the testcase works after this patch.
Subsequent patch series will fix up the performance side.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since directory rename detection adds new paths to opt->priv->paths and
removes old ones, process_renames() needs to now check whether
pair->one->path actually exists in opt->priv->paths instead of just
assuming it does.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This function roughly follows the same outline as the function of the
same name from merge-recursive.c, but the code diverges in multiple
ways due to some special considerations:
* merge-ort's version needs to update opt->priv->paths with any new
paths (and opt->priv->paths points to struct conflict_infos which
track quite a bit of metadata for each path); merge-recursive's
version would directly update the index
* merge-ort requires that opt->priv->paths has any leading directories
of any relevant files also be included in the set of paths. And
due to pointer equality requirements on merged_info.directory_name,
we have to be careful how we compute and insert these.
* due to the above requirements on opt->priv->paths, merge-ort's
version starts with a long comment to explain all the special
considerations that need to be handled
* merge-ort can use the full data stored in opt->priv->paths to avoid
making expensive get_tree_entry() calls to regather the necessary
data.
* due to messages being deferred automatically in merge-ort, this is
the best place to handle conflict messages whereas in
merge-recursive.c they are deferred manually so that processing of
entries does all the printing
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Due to the string-equality-iff-pointer-equality requirements placed on
merged_info.directory_name, apply_directory_rename_modifications() will
need to have access to the exact toplevel directory name string pointer
and can't just use a new empty string. Store it in a field that we can
use.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is copied from merge-recursive.c, with minor tweaks due to:
* using strmap API
* merge-ort not using the non_unique_new_dir field, since it'll
obviate its need entirely later with performance improvements
* adding a new path_in_way() function that uses opt->priv->paths
instead of doing an expensive tree_has_path() lookup to see if
a tree has a given path.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is copied from merge-recursive.c, with minor tweaks due to using strmap
API and the fact that it can use opt->priv->paths to get all pathnames that
exist instead of taking a tree object.
This depends on a new function, handle_path_level_conflicts(), which
just has a placeholder die-not-yet-implemented implementation for now; a
subsequent patch will implement it.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Both of these are copied from merge-recursive.c, with just minor tweaks
due to using strmap API and not having a non_unique_new_dir field.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is nearly a wholesale copy of compute_collisions() from
merge-recursive.c, and the logic remains the same, but it has been
tweaked slightly due to:
* using strmap.h API (instead of direct hashmaps)
* allocation/freeing of data structures were done separately in
merge_start() and clear_or_reinit_internal_opts() in an earlier
patch in this series
* there is no non_unique_new_dir data field in merge-ort; that will
be handled a different way
It does depend on two new functions, apply_dir_rename() and
check_dir_renamed() which were introduced with simple
die-not-yet-implemented shells and will be implemented in subsequent
patches.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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collect_renames() is similar to merge-recursive.c's get_renames(), but
lacks the directory rename handling found in the latter. Port that code
structure over to merge-ort. This introduces three new
die-not-yet-implemented functions that will be defined in future
commits.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is modelled on the version of handle_directory_level_conflicts()
from merge-recursive.c, but is massively simplified due to the following
factors:
* strmap API provides simplifications over using direct hashmap
* we have a dirs_removed field in struct rename_info that we have an
easy way to populate from collect_merge_info(); this was already
used in compute_rename_counts() and thus we do not need to check
for condition #2.
* The removal of condition #2 by handling it earlier in the code also
obviates the need to check for condition #3 -- if both sides renamed
a directory, meaning that the directory no longer exists on either
side, then neither side could have added any new files to that
directory, and thus there are no files whose locations we need to
move due to such a directory rename.
In fact, the same logic that makes condition #3 irrelevant means
condition #1 is also irrelevant so we could drop this function.
However, it is cheap to check if both sides rename the same directory,
and doing so can save future computation. So, simply remove any
directories that both sides renamed from the list of directory renames.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This function is based on the first half of get_directory_renames() from
merge-recursive.c; as part of the implementation, factor out a routine,
increment_count(), to update the bookkeeping to track the number of
items renamed into new directories.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This function is based on merge-recursive.c's get_directory_renames(),
except that the first half has been split out into a not-yet-implemented
compute_rename_counts(). The primary difference here is our lack of the
non_unique_new_dir boolean in our strmap. The lack of that field will
at first cause us to fail testcase 2b of t6423; however, future
optimizations will obviate the need for that ugly field so we have just
left it out.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Port some directory rename handling changes from merge-recursive.c's
detect_and_process_renames() to the same-named function of merge-ort.c.
This does not yet add any use or handling of directory renames, just the
outline for where we start to compute them. Thus, a future patch will
add port additional changes to merge-ort's detect_and_process_renames().
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* en/merge-ort-3:
merge-ort: add implementation of type-changed rename handling
merge-ort: add implementation of normal rename handling
merge-ort: add implementation of rename collisions
merge-ort: add implementation of rename/delete conflicts
merge-ort: add implementation of both sides renaming differently
merge-ort: add implementation of both sides renaming identically
merge-ort: add basic outline for process_renames()
merge-ort: implement compare_pairs() and collect_renames()
merge-ort: implement detect_regular_renames()
merge-ort: add initial outline for basic rename detection
merge-ort: add basic data structures for handling renames
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Tweak unneeded recursion from a test framework helper function.
* es/perf-export-fix:
t/perf: avoid unnecessary test_export() recursion
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A 3-year old test that was not testing anything useful has been
corrected.
* fc/t6030-bisect-reset-removes-auxiliary-files:
test: bisect-porcelain: fix location of files
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"git worktree repair" learned to deal with the case where both the
repository and the worktree moved.
* es/worktree-repair-both-moved:
worktree: teach `repair` to fix multi-directional breakage
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The ORT merge strategy learned to synthesize virtual ancestor tree
by recursively merging multiple merge bases together, just like the
recursive backend has done for years.
* en/merge-ort-recursive:
merge-ort: implement merge_incore_recursive()
merge-ort: make clear_internal_opts() aware of partial clearing
merge-ort: copy a few small helper functions from merge-recursive.c
commit: move reverse_commit_list() from merge-recursive
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When a user does not tell "git pull" to use rebase or merge, the
command gives a loud message telling a user to choose between
rebase or merge but creates a merge anyway, forcing users who would
want to rebase to redo the operation. Fix an early part of this
problem by tightening the condition to give the message---there is
no reason to stop or force the user to choose between rebase or
merge if the history fast-forwards.
* fc/pull-merge-rebase:
pull: display default warning only when non-ff
pull: correct condition to trigger non-ff advice
pull: get rid of unnecessary global variable
pull: give the advice for choosing rebase/merge much later
pull: refactor fast-forward check
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More "ORT" merge strategy.
* en/merge-ort-2:
merge-ort: add modify/delete handling and delayed output processing
merge-ort: add die-not-implemented stub handle_content_merge() function
merge-ort: add function grouping comments
merge-ort: add a paths_to_free field to merge_options_internal
merge-ort: add a path_conflict field to merge_options_internal
merge-ort: add a clear_internal_opts helper
merge-ort: add a few includes
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The merge backend "done right" starts to emerge.
* en/merge-ort-impl:
merge-ort: free data structures in merge_finalize()
merge-ort: add implementation of record_conflicted_index_entries()
tree: enable cmp_cache_name_compare() to be used elsewhere
merge-ort: add implementation of checkout()
merge-ort: basic outline for merge_switch_to_result()
merge-ort: step 3 of tree writing -- handling subdirectories as we go
merge-ort: step 2 of tree writing -- function to create tree object
merge-ort: step 1 of tree writing -- record basenames, modes, and oids
merge-ort: have process_entries operate in a defined order
merge-ort: add a preliminary simple process_entries() implementation
merge-ort: avoid recursing into identical trees
merge-ort: record stage and auxiliary info for every path
merge-ort: compute a few more useful fields for collect_merge_info
merge-ort: avoid repeating fill_tree_descriptor() on the same tree
merge-ort: implement a very basic collect_merge_info()
merge-ort: add an err() function similar to one from merge-recursive
merge-ort: use histogram diff
merge-ort: port merge_start() from merge-recursive
merge-ort: add some high-level algorithm structure
merge-ort: setup basic internal data structures
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Various improvements to the codepath that writes out pack bitmaps.
* tb/pack-bitmap: (24 commits)
pack-bitmap-write: better reuse bitmaps
pack-bitmap-write: relax unique revwalk condition
pack-bitmap-write: use existing bitmaps
pack-bitmap: factor out 'add_commit_to_bitmap()'
pack-bitmap: factor out 'bitmap_for_commit()'
pack-bitmap-write: ignore BITMAP_FLAG_REUSE
pack-bitmap-write: build fewer intermediate bitmaps
pack-bitmap.c: check reads more aggressively when loading
pack-bitmap-write: rename children to reverse_edges
t5310: add branch-based checks
commit: implement commit_list_contains()
bitmap: implement bitmap_is_subset()
pack-bitmap-write: fill bitmap with commit history
pack-bitmap-write: pass ownership of intermediate bitmaps
pack-bitmap-write: reimplement bitmap writing
ewah: add bitmap_dup() function
ewah: implement bitmap_or()
ewah: make bitmap growth less aggressive
ewah: factor out bitmap growth
rev-list: die when --test-bitmap detects a mismatch
...
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The "--format=%(trailers)" mechanism gets enhanced to make it
easier to design output for machine consumption.
* ab/trailers-extra-format:
pretty format %(trailers): add a "key_value_separator"
pretty format %(trailers): add a "keyonly"
pretty-format %(trailers): fix broken standalone "valueonly"
pretty format %(trailers) doc: avoid repetition
pretty format %(trailers) test: split a long line
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"git fetch --recurse-submodules" fix (second attempt).
* pk/subsub-fetch-fix-take-2:
submodules: fix of regression on fetching of non-init subsub-repo
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Docfix.
* pb/doc-git-linkit-fix:
git.txt: fix typos in 'linkgit' macro invocation
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l10n for Git 2.30.0 round 2
* tag 'l10n-2.30.0-rnd2' of https://github.com/git-l10n/git-po:
l10n: zh_CN: for git v2.30.0 l10n round 1 and 2
l10n: zh_TW.po: v2.30.0 round 2 (1 untranslated)
l10n: pl.po: add translation and set team leader
l10n: pl.po: started Polish translation
l10n: de.po: Update German translation for Git 2.30.0
l10n: Update Catalan translation
l10n: bg.po: Updated Bulgarian translation (5037t)
l10n: fr.po v2.30.0 rnd 2
l10n: tr: v2.30.0-r2
l10n: sv.po: Update Swedish translation (5037t0f0u)
l10n: vi.po(5037t): v2.30.0 rnd 2
l10n: git.pot: v2.30.0 round 2 (1 new, 2 removed)
l10n: Update Catalan translation
l10n: fr.po: v2.30.0 rnd 1
l10n: fr.po Fix a typo
l10n: fr fix misleading message
l10n: tr: v2.30.0-r1
l10n: sv.po: Update Swedish translation (5038t0f0u)
l10n: git.pot: v2.30.0 round 1 (70 new, 45 removed)
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Translate 71 new messages (5037t0f0u) for git 2.30.0.
Reviewed-by: 依云 <lilydjwg@gmail.com>
Signed-off-by: Jiang Xin <worldhello.net@gmail.com>
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* 'l10n/zh_TW/201223' of github.com:l10n-tw/git-po:
l10n: zh_TW.po: v2.30.0 round 2 (1 untranslated)
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Signed-off-by: pan93412 <pan93412@gmail.com>
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Signed-off-by: Arusekk <arek_koz@o2.pl>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Hotfix for recent regression.
* nk/refspecs-negative-fix:
negative-refspec: improve comment on query_matches_negative_refspec
negative-refspec: fix segfault on : refspec
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Hotfix for a topic of this cycle.
* ma/maintenance-crontab-fix:
t7900-maintenance: test for magic markers
gc: fix handling of crontab magic markers
git-maintenance.txt: add missing word
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Fix to a regression introduced during this cycle.
* dl/checkout-p-merge-base:
checkout -p: handle tree arguments correctly again
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Test coverage fix.
* js/no-more-prepare-for-main-in-test:
tests: drop the `PREPARE_FOR_MAIN_BRANCH` prereq
t9902: use `main` as initial branch name
t6302: use `main` as initial branch name
t5703: use `main` as initial branch name
t5510: use `main` as initial branch name
t5505: finalize transitioning to using the branch name `main`
t3205: finalize transitioning to using the branch name `main`
t3203: complete the transition to using the branch name `main`
t3201: finalize transitioning to using the branch name `main`
t3200: finish transitioning to the initial branch name `main`
t1400: use `main` as initial branch name
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"git pack-redandant" when there is only one packfile used to crash,
which has been corrected.
* jx/pack-redundant-on-single-pack:
pack-redundant: fix crash when one packfile in repo
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Signed-off-by: Arusekk <arek_koz@o2.pl>
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Reviewed-by: Ralf Thielow <ralf.thielow@gmail.com>
Reviewed-by: Phillip Szelat <phillip.szelat@gmail.com>
Signed-off-by: Matthias Rüster <matthias.ruester@gmail.com>
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* 'master' of github.com:Softcatala/git-po:
l10n: Update Catalan translation
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test_export() has been self-recursive since its inception even though a
simple for-loop would have served just as well to append its arguments
to the `test_export_` variable separated by the pipe character "|".
Recently `test_export_` was changed instead to a space-separated list of
tokens to be exported, an operation which can be accomplished via a
single simple assignment, with no need for looping or recursion.
Therefore, simplify the implementation.
While at it, take advantage of the fact that variable names to be
exported are shell identifiers, thus won't be composed of special
characters or whitespace, thus simple a `$*` can be used rather than
magical `"$@"`.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'linkgit' Asciidoc macro is misspelled as 'linkit' in the
description of 'GIT_SEQUENCE_EDITOR' since the addition of that variable
to git(1) in 902a126eca (doc: mention GIT_SEQUENCE_EDITOR and
'sequence.editor' more, 2020-08-31). Also, it uses two colons instead of
one.
Fix that.
Signed-off-by: Philippe Blain <levraiphilippeblain@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Jordi Mas <jmas@softcatala.org>
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Signed-off-by: Alexander Shopov <ash@kambanaria.org>
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Comment did not adequately explain how the two loops work
together to achieve the goal of querying for matching of any
negative refspec.
Signed-off-by: Nipunn Koorapati <nipunn@dropbox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Elijah Newren
Junio C Hamano
Jiang Xin
pan93412
Arusekk
m4sk1n
Matthias Rüster
Eric Sunshine
Philippe Blain
Jordi Mas
Alexander Shopov
Nipunn Koorapati