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The code to push changes over "dumb" HTTP had a bad interaction
with the commit reachability code due to incorrect allocation of
object flag bits, which has been corrected.
* bc/http-push-flagsfix:
http-push: ensure unforced pushes fail when data would be lost
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The documentation and some tests have been adjusted for the recent
renaming of "pu" branch to "seen".
* js/pu-to-seen:
tests: reference `seen` wherever `pu` was referenced
docs: adjust the technical overview for the rename `pu` -> `seen`
docs: adjust for the recent rename of `pu` to `seen`
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Code clean-up.
* cb/is-descendant-of:
commit-reach: avoid is_descendant_of() shim
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Docfix.
* mk/pb-pretty-email-without-domain-part-fix:
doc: fix author vs. committer copy/paste error
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Add "git prune" to the completion (in contrib/), which could be
typed by end-users from the command line.
* jl/complete-git-prune:
bash-completion: add git-prune into bash completion
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API cleanup for get_worktrees()
* es/get-worktrees-unsort:
worktree: drop get_worktrees() unused 'flags' argument
worktree: drop get_worktrees() special-purpose sorting option
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CVS/SVN interface have been prepared for SHA-256 transition
* bc/sha-256-cvs-svn-updates:
git-cvsexportcommit: port to SHA-256
git-cvsimport: port to SHA-256
git-cvsserver: port to SHA-256
git-svn: set the OID length based on hash algorithm
perl: make SVN code hash independent
perl: make Git::IndexInfo work with SHA-256
perl: create and switch variables for hash constants
t/lib-git-svn: make hash size independent
t9101: make hash independent
t9104: make hash size independent
t9100: make test work with SHA-256
t9108: make test hash independent
t9168: make test hash independent
t9109: make test hash independent
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A few fields in "struct commit" that do not have to always be
present have been moved to commit slabs.
* ak/commit-graph-to-slab:
commit-graph: minimize commit_graph_data_slab access
commit: move members graph_pos, generation to a slab
commit-graph: introduce commit_graph_data_slab
object: drop parsed_object_pool->commit_count
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"git status" learned to report the status of sparse checkout.
* en/sparse-status:
git-prompt: include sparsity state as well
git-prompt: document how in-progress operations affect the prompt
wt-status: show sparse checkout status as well
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A new hook.
* ps/ref-transaction-hook:
refs: implement reference transaction hook
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SHA-256 migration work continues.
* bc/sha-256-part-2: (44 commits)
remote-testgit: adapt for object-format
bundle: detect hash algorithm when reading refs
t5300: pass --object-format to git index-pack
t5704: send object-format capability with SHA-256
t5703: use object-format serve option
t5702: offer an object-format capability in the test
t/helper: initialize the repository for test-sha1-array
remote-curl: avoid truncating refs with ls-remote
t1050: pass algorithm to index-pack when outside repo
builtin/index-pack: add option to specify hash algorithm
remote-curl: detect algorithm for dumb HTTP by size
builtin/ls-remote: initialize repository based on fetch
t5500: make hash independent
serve: advertise object-format capability for protocol v2
connect: parse v2 refs with correct hash algorithm
connect: pass full packet reader when parsing v2 refs
Documentation/technical: document object-format for protocol v2
t1302: expect repo format version 1 for SHA-256
builtin/show-index: provide options to determine hash algo
t5302: modernize test formatting
...
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git diff-files" has been taught to say paths that are marked as
intent-to-add are new files, not modified from an empty blob.
* sk/diff-files-show-i-t-a-as-new:
diff-files: treat "i-t-a" files as "not-in-index"
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Leakfix.
* rs/commit-reach-leakfix:
commit-reach: plug minor memory leak after using is_descendant_of()
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Leakfix.
* rs/pull-leakfix:
pull: plug minor memory leak after using is_descendant_of()
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A misdesigned strbuf_write_fd() function has been retired.
* rs/retire-strbuf-write-fd:
strbuf: remove unreferenced strbuf_write_fd method.
bugreport.c: replace strbuf_write_fd with write_in_full
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An in-code comment in "git diff" has been updated.
* dl/diff-usage-comment-update:
builtin/diff: fix botched update of usage comment
builtin/diff: update usage comment
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Allow runtime upgrade of the repository format version, which needs
to be done carefully.
There is a rather unpleasant backward compatibility worry with the
last step of this series, but it is the right thing to do in the
longer term.
* xl/upgrade-repo-format:
check_repository_format_gently(): refuse extensions for old repositories
sparse-checkout: upgrade repository to version 1 when enabling extension
fetch: allow adding a filter after initial clone
repository: add a helper function to perform repository format upgrade
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A branch name used in a test has been clarified to match what is
going on.
* pb/t4014-unslave:
t4014: do not use "slave branch" nomenclature
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The "fetch/clone" protocol has been updated to allow the server to
instruct the clients to grab pre-packaged packfile(s) in addition
to the packed object data coming over the wire.
* jt/cdn-offload:
upload-pack: fix a sparse '0 as NULL pointer' warning
upload-pack: send part of packfile response as uri
fetch-pack: support more than one pack lockfile
upload-pack: refactor reading of pack-objects out
Documentation: add Packfile URIs design doc
Documentation: order protocol v2 sections
http-fetch: support fetching packfiles by URL
http-fetch: refactor into function
http: refactor finish_http_pack_request()
http: use --stdin when indexing dumb HTTP pack
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Rewrite of parts of the scripted "git submodule" Porcelain command
continues; this time it is "git submodule set-branch" subcommand's
turn.
* ss/submodule-set-branch-in-c:
submodule: port subcommand 'set-branch' from shell to C
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"git merge-base --is-ancestor" is taught to take advantage of the
commit graph.
* ds/merge-base-is-ancestor-optim:
commit-reach: use fast logic in repo_in_merge_base
commit-reach: create repo_is_descendant_of()
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Code clean-up around "git branch" with a minor bugfix.
* dl/branch-cleanup:
branch: don't mix --edit-description
t3200: test for specific errors
t3200: rename "expected" to "expect"
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Code clean-up in the codepath that serves "git fetch" continues.
* cc/upload-pack-data-3:
upload-pack: refactor common code into do_got_oid()
upload-pack: move oldest_have to upload_pack_data
upload-pack: pass upload_pack_data to got_oid()
upload-pack: pass upload_pack_data to ok_to_give_up()
upload-pack: pass upload_pack_data to send_acks()
upload-pack: pass upload_pack_data to process_haves()
upload-pack: change allow_unadvertised_object_request to an enum
upload-pack: move allow_unadvertised_object_request to upload_pack_data
upload-pack: move extra_edge_obj to upload_pack_data
upload-pack: move shallow_nr to upload_pack_data
upload-pack: pass upload_pack_data to send_unshallow()
upload-pack: pass upload_pack_data to deepen_by_rev_list()
upload-pack: pass upload_pack_data to deepen()
upload-pack: pass upload_pack_data to send_shallow_list()
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"git diff" used to take arguments in random and nonsense range
notation, e.g. "git diff A..B C", "git diff A..B C...D", etc.,
which has been cleaned up.
* ct/diff-with-merge-base-clarification:
Documentation: usage for diff combined commits
git diff: improve range handling
t/t3430: avoid undefined git diff behavior
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Code clean-up of "git clean" resulted in a fix of recent
performance regression.
* en/clean-cleanups:
clean: optimize and document cases where we recurse into subdirectories
clean: consolidate handling of ignored parameters
dir, clean: avoid disallowed behavior
dir: fix a few confusing comments
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The command line completion (in contrib/) learned to complete
options that the "git switch" command takes.
* jk/complete-git-switch:
completion: improve handling of --orphan option of switch/checkout
completion: improve handling of -c/-C and -b/-B in switch/checkout
completion: improve handling of --track in switch/checkout
completion: improve handling of --detach in checkout
completion: improve completion for git switch with no options
completion: improve handling of DWIM mode for switch/checkout
completion: perform DWIM logic directly in __git_complete_refs
completion: extract function __git_dwim_remote_heads
completion: replace overloaded track term for __git_complete_refs
completion: add tests showing subpar switch/checkout --orphan logic
completion: add tests showing subpar -c/C argument completion
completion: add tests showing subpar -c/-C startpoint completion
completion: add tests showing subpar switch/checkout --track logic
completion: add tests showing subar checkout --detach logic
completion: add tests showing subpar DWIM logic for switch/checkout
completion: add test showing subpar git switch completion
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As our test suite partially reflects how we work in the Git project, it
is natural that the branch name `pu` was used in a couple places.
Since that branch was renamed to `seen`, let's use the new name
consistently.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch tries to rewrite history a bit: the mail contents that have
been added to Git's source code are actually fixed, we cannot change
them in hindsight.
But as the `pu` branch _was_ renamed, and as the documents were added to
Git's source code not so much as historical record, but to describe the
status quo, let's pretend that we have a time machine and adjust the
provided information accordingly.
Where appropriate, quotes were added for readability.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As of "What's cooking in git.git (Jun 2020, #04; Mon, 22)", there is no
longer any `pu` branch, but a `seen` branch.
While we technically do not even need to update the manual pages, it
makes sense to update them because they clearly talk about branches in
git.git.
Please note that in two instances, this patch not only updates the
branch name, but also the description "(proposed updates)".
Where appropriate, quotes have been added for readability.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Miroslav Koškár <mk@mkoskar.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the previous commit, an attempt was made to correct the "N=1, M=0"
case. However, the fix was botched and it introduced two half-correct
sections by mistake. Combine these half-correct sections into one fully
correct section.
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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d91d6fbf26 (commit-reach: create repo_is_descendant_of(), 2020-06-17)
adds a repository aware version of is_descendant_of() and a backward
compatibility shim that is barely used.
Update all callers to directly use the new repo_is_descendant_of()
function instead; making the codebase simpler and pushing more
the_repository references higher up the stack.
Helped-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Reviewed-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we push using the DAV-based protocol, the client is the one that
performs the ref updates and therefore makes the checks to see whether
an unforced push should be allowed. We make this check by determining
if either (a) we lack the object file for the old value of the ref or
(b) the new value of the ref is not newer than the old value, and in
either case, reject the push.
However, the ref_newer function, which performs this latter check, has
an odd behavior due to the reuse of certain object flags. Specifically,
it will incorrectly return false in its first invocation and then
correctly return true on a subsequent invocation. This occurs because
the object flags used by http-push.c are the same as those used by
commit-reach.c, which implements ref_newer, and one piece of code
misinterprets the flags set by the other.
Note that this does not occur in all cases. For example, if the example
used in the tests is changed to use one repository instead of two and
rewind the head to add a commit, the test passes and we correctly reject
the push. However, the example provided does trigger this behavior, and
the code has been broken in this way since at least Git 2.0.0.
To solve this problem, let's move the two sets of object flags so that
they don't overlap, since we're clearly using them at the same time.
The new set should not conflict with other usage because other users are
either builtin code (which is not compiled into git http-push) or
upload-pack (which we similarly do not use here).
Reported-by: Michael Ward <mward@smartsoftwareinc.com>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
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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The effect of sparse checkout settings on submodules is documented.
* en/sparse-with-submodule-doc:
git-sparse-checkout: clarify interactions with submodules
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The same worktree directory must be registered only once, but
"git worktree move" allowed this invariant to be violated, which
has been corrected.
* es/worktree-duplicate-paths:
worktree: make "move" refuse to move atop missing registered worktree
worktree: generalize candidate worktree path validation
worktree: prune linked worktree referencing main worktree path
worktree: prune duplicate entries referencing same worktree path
worktree: make high-level pruning re-usable
worktree: give "should be pruned?" function more meaningful name
worktree: factor out repeated string literal
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The interface to redact sensitive information in the trace output
has been simplified.
* jt/redact-all-cookies:
http: redact all cookies, teach GIT_TRACE_REDACT=0
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Further code clean-up.
* cc/upload-pack-data-2:
upload-pack: move pack_objects_hook to upload_pack_data
upload-pack: move allow_sideband_all to upload_pack_data
upload-pack: move allow_ref_in_want to upload_pack_data
upload-pack: move allow_filter to upload_pack_data
upload-pack: move keepalive to upload_pack_data
upload-pack: pass upload_pack_data to upload_pack_config()
upload-pack: change multi_ack to an enum
upload-pack: move multi_ack to upload_pack_data
upload-pack: move filter_capability_requested to upload_pack_data
upload-pack: move use_sideband to upload_pack_data
upload-pack: move static vars to upload_pack_data
upload-pack: annotate upload_pack_data fields
upload-pack: actually use some upload_pack_data bitfields
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Sometimes git would suggest the user to run `git prune` when there are
too many unreachable loose objects. It's more user-friendly if we add
git-prune into bash completion.
Signed-off-by: John Lin <johnlinp@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we apply a binary patch, we must have the full object ID in the
header in order to apply it; without that, any attempt to apply it will
fail. If we set GIT_DIR to empty, git apply does not know about the
hash algorithm we're using, and consequently any attempt to apply a
patch using SHA-256 will fail, since the object ID is the wrong length.
The reason we set the GIT_DIR environment variable is because we don't
want to modify the index; we just want to know whether the patch
applies. Instead, let's just use a temporary file for the index, which
will be cleaned up automatically when the object goes out of scope.
Additionally, read the configuration for the repository and compute the
length of an object ID based on it. Use that when matching object IDs
with a regex or computing the all-zeros object ID.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Acked-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Instead of calling the function is_sha1, call it is_oid and update it to
match either a SHA-1 or a SHA-256 hex object ID.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Acked-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The code of git-cvsserver currently has several hard-coded 20 and 40
constants that are the length of SHA-1. When parsing the configuration
file, read the extensions.objectformat configuration setting as well as
CVS-related ones and adjust the hash sizes accordingly. Use these
computed values in all the places we match object IDs.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Acked-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When reading the configuration or when creating a new repository, load
the extensions.objectFormat value and set the object ID length to 64 if
it's "sha256". Note that we use the hex length in git-svn because most
of our processing is done on hex values, not binary ones.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Acked-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are several places throughout git-svn that use various hard-coded
constants. For matching object IDs, use the $oid variable. Compute the
record size we use for our revision storage based on the object ID.
When parsing the revision map format, use a wildcard in the pack format
since we know that the data we're parsing is always exactly the record
size. This lets us continue to use a constant for the pack format.
Finally, update several comments to reflect the fact that an object ID
may be of one of multiple sizes.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Acked-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Most of the Git modules, git-svn excepted, don't know anything about the
hash algorithm and mostly work. However, when we're printing an
all-zero object ID in Git::IndexInfo, we need to know the hash length.
Since we don't want to change the API to have that information passed
in, let's query the config to find the hash algorithm and compute the
right value.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Acked-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git-svn has several variables for SHA-1 constants, including short hash
values and full length hash values. Since these are no longer SHA-1
specific, let's start them with "oid" instead of "sha1". Add a
constant, oid_length, which is the length of the hash algorithm in use
in hex. We use the hex version because overwhelmingly that's what's
used by git-svn.
We don't currently set oid_length based on the repository algorithm, but
we will in a future commit.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Acked-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The record size used in the git svn storage is four bytes plus the
length of the binary hash. Pass the hash length into our Perl
invocation and use it to compute the size of the records.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Acked-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `diff-files' command and related commands which call the function
`cmd_diff_files()', consider the "intent-to-add" files as a part of the
index when comparing the work-tree against it. This was previously
addressed in commits [1] and [2] by turning the option
`--ita-invisible-in-index' (introduced in [3]) on by default.
For `diff-files' (and `add -p' as a consequence) to show the i-t-a
files as as new, `ita_invisible_in_index' will be enabled by default
here as well.
[1] 0231ae71d3 (diff: turn --ita-invisible-in-index on by default,
2018-05-26)
[2] 425a28e0a4 (diff-lib: allow ita entries treated as "not yet exist
in index", 2016-10-24)
[3] b42b451919 (diff: add --ita-[in]visible-in-index, 2016-10-24)
Signed-off-by: Srinidhi Kaushik <shrinidhi.kaushik@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Johannes Schindelin
Miroslav Koškár
Denton Liu
Carlo Marcelo Arenas Belón
brian m. carlson
John Lin
Srinidhi Kaushik