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Disable command_requires_full_index for 'git add'. This does not require
any additional removals of ensure_full_index(). The main reason is that
'git add' discovers changes based on the pathspec and the worktree
itself. These are then inserted into the index directly, and calls to
index_name_pos() or index_file_exists() already call expand_to_path() at
the appropriate time to support a sparse-index.
Add a test to check that 'git add -A' and 'git add <file>' does not
expand the index at all, as long as <file> is not within a sparse
directory. This does not help the global 'git add .' case.
We can measure the improvement using p2000-sparse-operations.sh with
these results:
Test HEAD~1 HEAD
------------------------------------------------------------------------------
2000.6: git add -A (full-index-v3) 0.35(0.30+0.05) 0.37(0.29+0.06) +5.7%
2000.7: git add -A (full-index-v4) 0.31(0.26+0.06) 0.33(0.27+0.06) +6.5%
2000.8: git add -A (sparse-index-v3) 0.57(0.53+0.07) 0.05(0.04+0.08) -91.2%
2000.9: git add -A (sparse-index-v4) 0.58(0.55+0.06) 0.05(0.05+0.06) -91.4%
While the 91% improvement seems impressive, it's important to recognize
that previously we had significant overhead for expanding the
sparse-index. Comparing to the full index case, 'git add -A' goes from
0.37s to 0.05s, which is "only" an 86% improvement.
This modification to 'git add' creates some behavior change depending on
the use of a sparse index. We modify a test in t1092 to demonstrate
these changes which will be remedied in future changes.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Conflicts can occur outside of the sparse-checkout definition, and in
that case users might try to resolve the conflicts in several ways.
Document a few of these ways in a test. Make it clear that this behavior
is not necessarily the optimal flow, since users can become confused
when Git deletes these files from the worktree in later commands.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When running unpack_trees() with a sparse index, we attempt to operate
on the index without expanding the sparse directory entries. Thus, we
operate by manipulating entire directories and passing them to the
unpack function. In the case of the 'git checkout' command, this is the
twoway_merge() function.
There are several cases in twoway_merge() that handle different
situations. One new one to add is the case of a directory/file conflict
where the directory is sparse. Before the sparse index, such a conflict
would appear as a list of file additions and deletions. Now,
twoway_merge() initializes 'current', 'oldtree', and 'newtree' from
src[0], src[1], and src[2], then sets 'oldtree' to NULL because it is
equal to the df_conflict_entry. The way to determine that we have a
directory/file conflict is to test that 'current' and 'newtree' disagree
on being sparse directory entries.
When we are in this case, we want to resolve the situation by calling
merged_entry(). This allows replacing the 'current' entry with the
'newtree' entry. This is important for cases where we want to run 'git
checkout' across the conflict and have the new HEAD represent the new
file type at that path. The first NEEDSWORK comment dropped in t1092
demonstrates this necessary behavior.
However, we still are in a confusing state when 'current' corresponds to
a staged change within a sparse directory that is not present at HEAD.
This should be atypical, because it requires adding a change outside of
the sparse-checkout cone, but it is possible. Since we are unable to
determine that this is a staged change within twoway_merge(), we cannot
add a case to reject the merge at this point. I believe this is due to
the use of df_conflict_entry in the place of 'oldtree' instead of using
the valud at HEAD, which would provide some perspective to this
decision. Any change that would allow this differentiation for staged
entries would need to involve information further up in unpack_trees().
That work should be done, sometime, because we are further confusing the
behavior of a directory/file conflict when staging a change in the
directory. The two cases 'checkout behaves oddly with df-conflict-?' in
t1092 demonstrate that even without a sparse-checkout, Git is not
consistent in its behavior. Neither of the two options seems correct,
either. This change makes the sparse-index behave differently than the
typcial sparse-checkout case, but it does match the full checkout
behavior in the df-conflict-2 case.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add new branches to the test repo that demonstrate directory/file
conflicts in different ways. Since the directory 'folder1/' has
adjacent files 'folder1-', 'folder1.txt', and 'folder10' it causes
searches for 'folder1/' to land in a different place in the index than a
search for 'folder1'. This causes a change in behavior when working with
the df-conflict-1 and df-conflict-2 branches, whose only difference is
that the first uses 'folder1' as the conflict and the other uses
'folder2' which does not have these adjacent files.
We can extend two tests that compare the behavior across different 'git
checkout' commands, and we see already that the behavior will be
different in some cases and not in others. The difference between the
two test loops is that one uses 'git reset --hard' between iterations.
Further, we isolate the behavior of creating a staged change within a
directory and then checking out a branch where that directory is
replaced with a file. A full checkout behaves differently across these
two cases, while a sparse-checkout cone behaves consistently. In both
cases, the behavior is wrong. In one case, the staged change is dropped
entirely. The other case the staged change is kept, replacing the file
at that location, but none of the other files in the directory are kept.
Likely, the correct behavior in this case is to reject the checkout and
report the conflict, leaving HEAD in its previous location. None of the
cases behave this way currently. Use comments to demonstrate that the
tested behavior is only a documentation of the current, incorrect
behavior to ensure we do not _accidentally_ change it. Instead, we would
prefer to change it on purpose with a future change.
At this point, the sparse-index does not handle these 'git checkout'
commands correctly. Or rather, it _does_ reject the 'git checkout' when
we have the staged change, but for the wrong reason. It also rejects the
'git checkout' commands when there is no staged change and we want to
replace a directory with a file. A fix for that unstaged case will
follow in the next change, but that will make the sparse-index agree
with the full checkout case in these documented incorrect behaviors.
Helped-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Previous changes did the necessary improvements to unpack-trees.c and
diff-lib.c in order to modify a sparse index based on its comparision
with a tree. The only remaining work is to remove some
ensure_full_index() calls and add tests that verify that the index is
not expanded in our interesting cases. Include 'switch' and 'restore' in
these tests, as they share a base implementation with 'checkout'.
Here are the relevant performance results from
p2000-sparse-operations.sh:
Test HEAD~1 HEAD
--------------------------------------------------------------------------------
2000.18: git checkout -f - (full-v3) 0.49(0.43+0.03) 0.47(0.39+0.05) -4.1%
2000.19: git checkout -f - (full-v4) 0.45(0.37+0.06) 0.42(0.37+0.05) -6.7%
2000.20: git checkout -f - (sparse-v3) 0.76(0.71+0.07) 0.04(0.03+0.04) -94.7%
2000.21: git checkout -f - (sparse-v4) 0.75(0.72+0.04) 0.05(0.06+0.04) -93.3%
It is important to compare the full index case to the sparse index case,
as the previous results for the sparse index were inflated by the index
expansion. For index v4, this is an 88% improvement.
On an internal repository with over two million paths at HEAD and a
sparse-checkout definition containing ~60,000 of those paths, 'git
checkout' went from 3.5s to 297ms with this change. The theoretical
optimum where only those ~60,000 paths exist was 275ms, so the extra
sparse directory entries contribute a 22ms overhead.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When some commands run with command_requires_full_index=1, then the
index can get in a state where the in-memory cache tree is actually
equal to the sparse index's cache tree instead of the full one.
This results in incorrect entry_count values. By clearing the cache
tree before converting to sparse, we avoid this issue.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update 'git commit' to allow using the sparse-index in memory without
expanding to a full one. The only place that had an ensure_full_index()
call was in cache_tree_update(). The recursive algorithm for
update_one() was already updated in 2de37c536 (cache-tree: integrate
with sparse directory entries, 2021-03-03) to handle sparse directory
entries in the index.
Most of this change involves testing different command-line options that
allow specifying which on-disk changes should be included in the commit.
This includes no options (only take currently-staged changes), -a (take
all tracked changes), and --include (take a list of specific changes).
To simplify testing that these options do not expand the index, update
the test that previously verified that 'git status' does not expand the
index with a helper method, ensure_not_expanded().
This allows 'git commit' to operate much faster when the sparse-checkout
cone is much smaller than the full list of files at HEAD.
Here are the relevant lines from p2000-sparse-operations.sh:
Test HEAD~1 HEAD
----------------------------------------------------------------------------------
2000.14: git commit -a -m A (full-v3) 0.35(0.26+0.06) 0.36(0.28+0.07) +2.9%
2000.15: git commit -a -m A (full-v4) 0.32(0.26+0.05) 0.34(0.28+0.06) +6.3%
2000.16: git commit -a -m A (sparse-v3) 0.63(0.59+0.06) 0.04(0.05+0.05) -93.7%
2000.17: git commit -a -m A (sparse-v4) 0.64(0.59+0.08) 0.04(0.04+0.04) -93.8%
It is important to compare the full-index case to the sparse-index case,
so the improvement for index version v4 is actually an 88% improvement in
this synthetic example.
In a real repository with over two million files at HEAD and 60,000
files in the sparse-checkout definition, the time for 'git commit -a'
went from 2.61 seconds to 134ms. I compared this to the result if the
index only contained the paths in the sparse-checkout definition and
found the theoretical optimum to be 120ms, so the out-of-cone paths only
add a 12% overhead.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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By using shorter names for the test repos, we will get a slightly more
compressed performance summary without comprimising clarity.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As we increase our list of commands to test in
p2000-sparse-operations.sh, we will want to have a slightly smaller test
repository. Reduce the size by a factor of four by reducing the depth of
the step that creates a big index around a moderately-sized repository.
Also add a step to run 'git checkout -' on repeat. This requires having
a previous location in the reflog, so add that to the initialization
steps.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are several situations where a repository with sparse-checkout
enabled will act differently than a normal repository, and in ways that
are not intentional. The test t1092-sparse-checkout-compatibility.sh
documents some of these deviations, but a casual reader might think
these are intentional behavior changes.
Add comments on these tests that make it clear that these behaviors
should be updated. Using 'NEEDSWORK' helps contributors find that these
are potential areas for improvement.
Helped-by: Elijah Newren <newren@gmail.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If we need to expand a sparse-index into a full one, then the FS Monitor
bitmap is going to be incorrect. Ensure that we start fresh at such an
event.
While this is currently a performance drawback, the eventual hope of the
sparse-index feature is that these expansions will be rare and hence we
will be able to keep the FS Monitor data accurate across multiple Git
commands.
These tests are added to demonstrate that the behavior is the same
across a full index and a sparse index, but also that file modifications
to a tracked directory outside of the sparse cone will trigger
ensure_full_index().
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is difficult, but possible, to get into a state where we intend to
add a directory that is outside of the sparse-checkout definition. Add a
test to t1092-sparse-checkout-compatibility.sh that demonstrates this
using a combination of 'git reset --mixed' and 'git checkout --orphan'.
This test failed before because the output of 'git status
--porcelain=v2' would not match on the lines for folder1/:
* The sparse-checkout repo (with a full index) would output each path
name that is intended to be added.
* The sparse-index repo would only output that "folder1/" is staged for
addition.
The status should report the full list of files to be added, and so this
sparse-directory entry should be expanded to a full list when reaching
it inside the wt_status_collect_changes_initial() method. Use
read_tree_at() to assist.
Somehow, this loop over the cache entries was not guarded by
ensure_full_index() as intended.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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By testing 'git -c core.fsmonitor= status -uno', we can check for the
simplest index operations that can be made sparse-aware. The necessary
implementation details are already integrated with sparse-checkout, so
modify command_requires_full_index to be zero for cmd_status().
In refresh_index(), we loop through the index entries to refresh their
stat() information. However, sparse directories have no stat()
information to populate. Ignore these entries.
This allows 'git status' to no longer expand a sparse index to a full
one. This is further tested by dropping the "-uno" option and adding an
untracked file into the worktree.
The performance test p2000-sparse-checkout-operations.sh demonstrates
these improvements:
Test HEAD~1 HEAD
-----------------------------------------------------------------------------
2000.2: git status (full-index-v3) 0.31(0.30+0.05) 0.31(0.29+0.06) +0.0%
2000.3: git status (full-index-v4) 0.31(0.29+0.07) 0.34(0.30+0.08) +9.7%
2000.4: git status (sparse-index-v3) 2.35(2.28+0.10) 0.04(0.04+0.05) -98.3%
2000.5: git status (sparse-index-v4) 2.35(2.24+0.15) 0.05(0.04+0.06) -97.9%
Note that since HEAD~1 was expanding the sparse index by parsing trees,
it was artificially slower than the full index case. Thus, the 98%
improvement is misleading, and instead we should celebrate the 0.34s to
0.05s improvement of 85%. This is more indicative of the peformance
gains we are expecting by using a sparse index.
Note: we are dropping the assignment of core.fsmonitor here. This is not
necessary for the test script as we are not altering the config any
other way. Correct integration with FS Monitor will be validated in
later changes.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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'git status' began reporting a percentage of populated paths when
sparse-checkout is enabled in 051df3cf (wt-status: show sparse
checkout status as well, 2020-07-18). This percentage is incorrect when
the index has sparse directories. It would also be expensive to
calculate as we would need to parse trees to count the total number of
possible paths.
Avoid the expensive computation by simplifying the output to only report
that a sparse checkout exists, without the percentage.
This change is the reason we use 'git status --porcelain=v2' in
t1092-sparse-checkout-compatibility.sh. We don't want to ensure that
this message is equal across both modes, but instead just the important
information about staged, modified, and untracked files are compared.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While comparing an index to a tree, we may see a sparse directory entry.
In this case, we should compare that portion of the tree to the tree
represented by that entry. This could include a new tree which needs to
be expanded to a full list of added files. It could also include an
existing tree, in which case all of the changes inside are important to
describe, including the modifications, additions, and deletions. Note
that the case where the tree has a path and the index does not remains
identical to before: the lack of a cache entry is the same with a sparse
index.
Use diff_tree_oid() appropriately to compute the diff.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we have sparse directory entries in the index, we want to compare
that directory against sparse-checkout patterns. Those pattern matching
algorithms are built expecting a file path, not a directory path. This
is especially important in the "cone mode" patterns which will match
files that exist within the "parent directories" as well as the
recursive directory matches.
If path_matches_pattern_list() is given a directory, we can add a fake
filename ("-") to the directory and get the same results as before,
assuming we are in cone mode. Since sparse index requires cone mode
patterns, this is an acceptable assumption.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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During unpack_callback(), index entries are compared against tree
entries. These are matched according to names and types. One goal is to
decide if we should recurse into subtrees or simply operate on one index
entry.
In the case of a sparse-directory entry, we do not want to recurse into
that subtree and instead simply compare the trees. In some cases, we
might want to perform a merge operation on the entry, such as during
'git checkout <commit>' which wants to replace a sparse tree entry with
the tree for that path at the target commit. We extend the logic within
unpack_single_entry() to create a sparse-directory entry in this case,
and then that is sent to call_unpack_fn().
There are some subtleties in this process. For instance, we need to
update find_cache_entry() to allow finding a sparse-directory entry that
exactly matches a given path. Use the new helper method
sparse_dir_matches_path() for this. We also need to ignore conflict
markers in the case that the entries correspond to directories and we
already have a sparse directory entry.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the next change, we will use this method to unpack a sparse directory
entry, so change the name to unpack_single_entry() so these entries
apply. The new name reflects that we will not recurse into trees in
order to resolve the conflicts.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As we further integrate the sparse-index into unpack-trees, we need to
ensure that we compare sparse directory entries correctly with other
entries. This affects searching for an exact path as well as sorting
index entries.
Sparse directory entries contain the trailing directory separator. This
is important for the sorting, in particular. Thus, within
do_compare_entry() we stop using S_IFREG in all cases, since sparse
directories should use S_IFDIR to indicate that the comparison should
treat the entry name as a dirctory.
Within compare_entry(), it first calls do_compare_entry() to check the
leading portion of the name. When the input path is a directory name, we
could match exactly already. Thus, we should return 0 if we have an
exact string match on a sparse directory entry. The final check is a
length comparison between the strings.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The cache_bottom member of 'struct unpack_trees_options' is used to
track the range of index entries corresponding to a node of the cache
tree. While recursing with traverse_by_cache_tree(), this value is
preserved on the call stack using a local and then restored as that
method returns.
The mark_ce_used() method normally modifies the cache_bottom member when
it refers to the marked cache entry. However, sparse directory entries
are stored as nodes in the cache-tree data structure as of 2de37c53
(cache-tree: integrate with sparse directory entries, 2021-03-30). Thus,
the cache_bottom will be modified as the cache-tree walk advances. Do
not update it as well within mark_ce_used().
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Before moving to update 'git status' and 'git add' to work with sparse
indexes, add an explicit test that ensures the sparse-index works the
same as a normal sparse-checkout when the worktree contains directories
and files outside of the sparse cone.
Specifically, 'folder1/a' is a file in our test repo, but 'folder1' is
not in the sparse cone. When 'folder1/a' is modified, the file is not
shown as modified and adding it will fail. This is new behavior as of
a20f704 (add: warn when asked to update SKIP_WORKTREE entries,
2021-04-08). Before that change, these adds would be silently ignored.
Untracked files are fine: adding new files both with 'git add .' and
'git add folder1/' works just as in a full checkout. This may not be
entirely desirable, but we are not intending to change behavior at the
moment, only document it. A future change could alter the behavior to
be more sensible, and this test could be modified to satisfy the new
expected behavior.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As more features integrate with the sparse-index feature, more and more
special cases arise that require different data shapes within the tree
structure of the repository in order to demonstrate those cases.
Add several interesting special cases all at once instead of sprinkling
them across several commits. The interesting cases being added here are:
* Add sparse-directory entries on both sides of directories within the
sparse-checkout definition.
* Add directories outside the sparse-checkout definition who have only
one entry and are the first entry of a directory with multiple
entries.
* Add filenames adjacent to a sparse directory entry that sort before
and after the trailing slash.
Later tests will take advantage of these shapes, but they also deepen
the tests that already exist.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This fixes the test data shape to be as expected, allowing rename
detection to work properly now that the 'larger-content' file actually
has meaningful lines.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When creating a full index from a sparse one, we create cache entries
for every blob within a given sparse directory entry. These are
correctly marked with the CE_SKIP_WORKTREE flag, but the CE_EXTENDED
flag is not included. The CE_EXTENDED flag would exist if we loaded a
full index from disk with these entries marked with CE_SKIP_WORKTREE, so
we can add the flag here to be consistent. This allows us to directly
compare the flags present in cache entries when testing the sparse-index
feature, but has no significance to its correctness in the user-facing
functionality.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The sparse-index format is designed to be compatible with merge
conflicts, even those outside the sparse-checkout definition. The reason
is that when converting a full index to a sparse one, a cache entry with
nonzero stage will not be collapsed into a sparse directory entry.
However, this behavior was not tested, and a different behavior within
convert_to_sparse() fails in this scenario. Specifically,
cache_tree_update() will fail when unmerged entries exist.
convert_to_sparse_rec() uses the cache-tree data to recursively walk the
tree structure, but also to compute the OIDs used in the
sparse-directory entries.
Add an index scan to convert_to_sparse() that will detect if these merge
conflict entries exist and skip the conversion before trying to update
the cache-tree. This is marked as NEEDSWORK because this can be removed
with a suitable update to cache_tree_update() or a similar method that
can construct a cache-tree with invalid nodes, but still allow creating
the nodes necessary for creating sparse directory entries.
It is possible that in the future we will not need to make such an
update, since if we do not expand a sparse-index into a full one, this
conversion does not need to happen. Thus, this can be deferred until the
merge machinery is made to integrate with the sparse-index.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Preparatory build procedure clean-up for documentation.
* fc/doc-build-cleanup:
doc: avoid using rm directly
doc: simplify Makefile using .DELETE_ON_ERROR
doc: remove unnecessary rm instances
doc: improve asciidoc dependencies
doc: refactor common asciidoc dependencies
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Test clean-up.
* ab/test-lib-updates:
test-lib: split up and deprecate test_create_repo()
test-lib: do not show advice about init.defaultBranch under --verbose
test-lib: reformat argument list in test_create_repo()
submodule tests: use symbolic-ref --short to discover branch name
test-lib functions: add --printf option to test_commit
describe tests: convert setup to use test_commit
test-lib functions: add an --annotated option to "test_commit"
test-lib-functions: document test_commit --no-tag
test-lib-functions: reword "test_commit --append" docs
test-lib tests: remove dead GIT_TEST_FRAMEWORK_SELFTEST variable
test-lib: bring $remove_trash out of retirement
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Test portability fix.
* dd/honor-users-tar-in-tests:
t: use configured TAR instead of tar
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Message update.
* ps/rev-list-object-type-filter:
help: fix small typo in error message
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Workaround compiler warnings.
* ab/trace2-squelch-gcc-warning:
trace2: refactor to avoid gcc warning under -O3
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The "-m" option in "git log -m" that does not specify which format,
if any, of diff is desired did not have any visible effect; it now
implies some form of diff (by default "--patch") is produced.
* so/log-m-implies-p:
diff-merges: let "-m" imply "-p"
diff-merges: rename "combined_imply_patch" to "merges_imply_patch"
stash list: stop passing "-m" to "git log"
git-svn: stop passing "-m" to "git rev-list"
diff-merges: move specific diff-index "-m" handling to diff-index
t4013: test "git diff-index -m"
t4013: test "git diff-tree -m"
t4013: test "git log -m --stat"
t4013: test "git log -m --raw"
t4013: test that "-m" alone has no effect in "git log"
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Optimize out repeated rename detection in a sequence of mergy
operations.
* en/ort-perf-batch-11:
merge-ort, diffcore-rename: employ cached renames when possible
merge-ort: handle interactions of caching and rename/rename(1to1) cases
merge-ort: add helper functions for using cached renames
merge-ort: preserve cached renames for the appropriate side
merge-ort: avoid accidental API mis-use
merge-ort: add code to check for whether cached renames can be reused
merge-ort: populate caches of rename detection results
merge-ort: add data structures for in-memory caching of rename detection
t6429: testcases for remembering renames
fast-rebase: write conflict state to working tree, index, and HEAD
fast-rebase: change assert() to BUG()
Documentation/technical: describe remembering renames optimization
t6423: rename file within directory that other side renamed
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"git fetch" over protocol v2 left its side of the socket open after
it finished speaking, which unnecessarily wasted the resource on
the other side.
* jk/fetch-pack-v2-half-close-early:
fetch-pack: signal v2 server that we are done making requests
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Use the hashfile API in the codepath that writes the index file to
reduce code duplication.
* ds/write-index-with-hashfile-api:
read-cache: delete unused hashing methods
read-cache: use hashfile instead of git_hash_ctx
csum-file.h: increase hashfile buffer size
hashfile: use write_in_full()
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Recent "git clone" left a temporary directory behind when the
transport layer returned an failure.
* jk/clone-clean-upon-transport-error:
clone: clean up directory after transport_fetch_refs() failure
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"git send-email" learned the "--sendmail-cmd" command line option
and the "sendemail.sendmailCmd" configuration variable, which is a
more sensible approach than the current way of repurposing the
"smtp-server" that is meant to name the server to instead name the
command to talk to the server.
* ga/send-email-sendmail-cmd:
git-send-email: add option to specify sendmail command
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The code to handle the "--format" option in "for-each-ref" and
friends made too many string comparisons on %(atom)s used in the
format string, which has been corrected by converting them into
enum when the format string is parsed.
* zh/ref-filter-atom-type:
ref-filter: introduce enum atom_type
ref-filter: add objectsize to used_atom
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Message update.
* ah/setup-extensions-message-i18n-fix:
setup: split "extensions found" messages into singular and plural
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Message update.
* ah/fetch-reject-warning-grammofix:
fetch: improve grammar of "shallow roots" message
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The documentation for "color.pager" configuration variable has been
updated.
* jk/doc-color-pager:
doc: explain the use of color.pager
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Doc fix.
* tl/fix-packfile-uri-doc:
packfile-uri.txt: fix blobPackfileUri description
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The description of "fast-forward" in the glossary has been updated.
* ry/clarify-fast-forward-in-glossary:
docs: improve fast-forward in glossary content
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Quite a many die() messages in rev-parse haven't been marked for
translation.
* wm/rev-parse-die-i18n:
rev-parse: mark die() messages for translation
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Doc update.
* jc/clarify-revision-range:
revisions(7): clarify that most commands take a single revision range
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Doc update.
* ah/doc-describe:
describe-doc: clarify default length of abbreviation
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Message update.
* ah/submodule-helper-module-summary-parseopt:
submodule: use the imperative mood to describe the --files option
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i18n update.
* ah/stash-usage-i18n-fix:
stash: don't translate literal commands
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i18n update.
* ah/merge-usage-i18n-fix:
merge: don't translate literal commands
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Derrick Stolee
Junio C Hamano