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This is in preparation for using `struct rebase_options` when parsing
options in cmd_rebase__interactive(). Using a string for onto,
restrict_revision and upstream, was a hangover from the scripted version
of rebase. The functions that use these variables are updated to take a
`struct commit`.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As the checkout runs in a separate process our index will be out of date
so it should be discarded. The existing callers are not doing this
consistently so do it here to avoid the callers having to worry about
it.
This fixes some test failures that happen if do_interactive_rebase() is
called without forking rebase--interactive which we will implement
shortly. Running
git rebase -i master topic
starting on master created empty todo lists because all the commits in
topic were marked as cherry-picks. After topic was checked out in
prepare_branch_to_be_rebased() the working tree contained the contents
from topic but the index contained master and the cache entries were
still valid. This meant that diff_populate_filespec() which loads the
blobs when calculating patch-id's ended up reading the contents for
master from the working tree which actually contained topic.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* ag/sequencer-reduce-rewriting-todo:
rebase--interactive: move transform_todo_file()
sequencer: use edit_todo_list() in complete_action()
rebase-interactive: rewrite edit_todo_list() to handle the initial edit
rebase-interactive: append_todo_help() changes
rebase-interactive: use todo_list_write_to_file() in edit_todo_list()
sequencer: refactor skip_unnecessary_picks() to work on a todo_list
rebase--interactive: move rearrange_squash_in_todo_file()
rebase--interactive: move sequencer_add_exec_commands()
sequencer: change complete_action() to use the refactored functions
sequencer: make sequencer_make_script() write its script to a strbuf
sequencer: refactor rearrange_squash() to work on a todo_list
sequencer: refactor sequencer_add_exec_commands() to work on a todo_list
sequencer: refactor check_todo_list() to work on a todo_list
sequencer: introduce todo_list_write_to_file()
sequencer: refactor transform_todos() to work on a todo_list
sequencer: remove the 'arg' field from todo_item
sequencer: make the todo_list structure public
sequencer: changes in parse_insn_buffer()
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A more structured way to obtain execution trace has been added.
* jh/trace2:
trace2: add for_each macros to clang-format
trace2: t/helper/test-trace2, t0210.sh, t0211.sh, t0212.sh
trace2:data: add subverb for rebase
trace2:data: add subverb to reset command
trace2:data: add subverb to checkout command
trace2:data: pack-objects: add trace2 regions
trace2:data: add trace2 instrumentation to index read/write
trace2:data: add trace2 hook classification
trace2:data: add trace2 transport child classification
trace2:data: add trace2 sub-process classification
trace2:data: add editor/pager child classification
trace2:data: add trace2 regions to wt-status
trace2: collect Windows-specific process information
trace2: create new combined trace facility
trace2: Documentation/technical/api-trace2.txt
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Four new configuration variables {author,committer}.{name,email}
have been introduced to override user.{name,email} in more specific
cases.
* wh/author-committer-ident-config:
config: allow giving separate author and committer idents
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As transform_todo_file() is only needed inside of
rebase--interactive.c for `rebase -p', it is moved there from
sequencer.c.
The parameter r (repository) is dropped along the way.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This changes complete_action() to use edit_todo_list(), now that it can
handle the initial edit of the todo list.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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edit_todo_list() is changed to work on a todo_list, and to handle the
initial edition of the todo list (ie. making a backup of the todo
list).
It does not check for dropped commits yet, as todo_list_check() does not
take the commits that have already been processed by the rebase (ie. the
todo list is edited in the middle of a rebase session).
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This moves the writing of the comment "Rebase $shortrevisions onto
$shortonto ($command_count commands)" from todo_list_write_to_file() to
append_todo_help().
shortrevisions, shortonto, and command_count are passed as parameters to
append_todo_help().
During the initial edit of the todo list, shortrevisions and shortonto
are not NULL. Therefore, if shortrevisions or shortonto is NULL, then
edit_todo would be true, otherwise it would be false. Thus, edit_todo
is removed from the parameters of append_todo_help().
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Just like complete_action(), edit_todo_list() used a
function (transform_todo_file()) that read the todo list from the disk
and wrote it back, resulting in useless disk accesses.
This changes edit_todo_list() to call directly todo_list_write_to_file()
instead.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This refactors skip_unnecessary_picks() to work on a todo_list. As this
function is only called by complete_action() (and thus is not used by
rebase -p), the file-handling logic is completely dropped here.
Instead of truncating the todo list’s buffer, the items are moved to
the beginning of the list, eliminating the need to reparse the list.
This also means its buffer cannot be directly written to the disk.
rewrite_file() is then removed, as it is now unused.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As rearrange_squash_in_todo_file() is only needed inside of
rebase--interactive.c for `rebase -p', it is moved there from
sequencer.c.
The parameter r (repository) is dropped along the way, and the error
handling is slightly improved.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As sequencer_add_exec_commands() is only needed inside of
rebase--interactive.c for `rebase -p', it is moved there from
sequencer.c.
The parameter r (repository) is dropped along the way.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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complete_action() used functions that read the todo-list file, made some
changes to it, and wrote it back to the disk.
The previous commits were dedicated to separate the part that deals with
the file from the actual logic of these functions. Now that this is
done, we can call directly the "logic" functions to avoid useless file
access.
The parsing of the list has to be done by the caller. If the buffer of
the todo list provided by the caller is empty, a `noop' command is
directly added to the todo list, without touching the buffer.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This makes sequencer_make_script() write its script to a strbuf (ie. the
buffer of a todo_list) instead of a FILE. This reduce the amount of
read/write made by rebase interactive.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This refactors rearrange_squash() to work on a todo_list to avoid
redundant reads and writes. The function is renamed
todo_list_rearrange_squash().
The old version created a new buffer, which was directly written to the
disk. This new version creates a new item list by just copying items
from the old item list, without creating a new buffer. This eliminates
the need to reparse the todo list, but this also means its buffer cannot
be directly written to the disk.
As rebase -p still need to check the todo list from the disk, a new
function is introduced, rearrange_squash_in_todo_file().
complete_action() still uses rearrange_squash_in_todo_file() for now.
This will be changed in a future commit.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This refactors sequencer_add_exec_commands() to work on a todo_list to
avoid redundant reads and writes to the disk.
Instead of inserting the `exec' commands between the other commands and
re-parsing the buffer at the end, they are appended to the buffer once,
and a new list of items is created. Items from the old list are copied
across and new `exec' items are appended when necessary. This
eliminates the need to reparse the buffer, but this also means we have
to use todo_list_write_to_disk() to write the file.
todo_list_add_exec_commands() and sequencer_add_exec_commands() are
modified to take a string list instead of a string -- one item for each
command. This makes it easier to insert a new command to the todo list
for each command to execute.
sequencer_add_exec_commands() still reads the todo list from the disk,
as it is needed by rebase -p.
complete_action() still uses sequencer_add_exec_commands() for now.
This will be changed in a future commit.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Classify certain child processes as hooks.
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code clean-up.
* rj/sequencer-sign-off-header-static:
sequencer: make sign_off_header a file local symbol
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Commit d0aaa46fd3 ("commit: move empty message checks to libgit",
2017-11-10) removes the last use of 'sign_off_header' outside of
the "sequencer.c" source file. Remove the extern declaration from
the header file and mark the definition of the symbol with the
static keyword.
Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The assumption to work on the single "in-core index" instance has
been reduced from the library-ish part of the codebase.
* nd/the-index-final:
cache.h: flip NO_THE_INDEX_COMPATIBILITY_MACROS switch
read-cache.c: remove the_* from index_has_changes()
merge-recursive.c: remove implicit dependency on the_repository
merge-recursive.c: remove implicit dependency on the_index
sha1-name.c: remove implicit dependency on the_index
read-cache.c: replace update_index_if_able with repo_&
read-cache.c: kill read_index()
checkout: avoid the_index when possible
repository.c: replace hold_locked_index() with repo_hold_locked_index()
notes-utils.c: remove the_repository references
grep: use grep_opt->repo instead of explict repo argument
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"git rebase --merge" as been reimplemented by reusing the internal
machinery used for "git rebase -i".
* en/rebase-merge-on-sequencer:
rebase: implement --merge via the interactive machinery
rebase: define linearization ordering and enforce it
git-legacy-rebase: simplify unnecessary triply-nested if
git-rebase, sequencer: extend --quiet option for the interactive machinery
am, rebase--merge: do not overlook --skip'ed commits with post-rewrite
t5407: add a test demonstrating how interactive handles --skip differently
rebase: fix incompatible options error message
rebase: make builtin and legacy script error messages the same
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The author.email, author.name, committer.email and committer.name
settings are analogous to the GIT_AUTHOR_* and GIT_COMMITTER_*
environment variables, but for the git config system. This allows them
to be set separately for each repository.
Git supports setting different authorship and committer
information with environment variables. However, environment variables
are set in the shell, so if different authorship and committer
information is needed for different repositories an external tool is
required.
This adds support to git config for author.email, author.name,
committer.email and committer.name settings so this information
can be set per repository.
Also, it generalizes the fmt_ident function so it can handle author vs
committer identification.
Signed-off-by: William Hubbs <williamh@gentoo.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git rebase -i" learned to re-execute a command given with 'exec'
to run after it failed the last time.
* js/rebase-i-redo-exec:
rebase: introduce a shortcut for --reschedule-failed-exec
rebase: add a config option to default to --reschedule-failed-exec
rebase: introduce --reschedule-failed-exec
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This refactors check_todo_list() to work on a todo_list to avoid
redundant reads and writes to the disk. The function is renamed
todo_list_check(). The parsing of the two todo lists is left to the
caller.
As rebase -p still need to check the todo list from the disk, a new
function is introduced, check_todo_list_from_file(). It reads the file
from the disk, parses it, pass the todo_list to todo_list_check(), and
writes it back to the disk.
As get_missing_commit_check_level() and the enum
missing_commit_check_level are no longer needed inside of sequencer.c,
they are moved to rebase-interactive.c, and made static again.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This introduces a new function to recreate the text of a todo list from
its commands and write it to a file. This will be useful as the next
few commits will change the use of the buffer in struct todo_list so it
will no longer be a mirror of the file on disk.
This functionality already exists in todo_list_transform(), but this
function was made to replace the buffer of a todo list, which is not
what we want here. Thus, the part of todo_list_transform() that
replaces the buffer is dropped, and the function is renamed
todo_list_to_strbuf(). It is called by todo_list_write_to_file() to
fill the buffer to write to the disk.
todo_list_write_to_file() can also take care of appending the help text
to the buffer before writing it to the disk, or to write only the first
n items of the list. This feature will be used by
skip_unnecessary_picks(), which has to write done commands in a file.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This refactors transform_todos() to work on a todo_list. The function
is renamed todo_list_transform().
As rebase -p still need to check the todo list from the disk, a new
function is introduced, transform_todo_file(). It is still used by
complete_action() and edit_todo_list() for now, but they will be
replaced in a future commit.
todo_list_transform() is not a static function, because it will be used
by edit_todo_list() from rebase-interactive.c in a future commit.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'arg' field of todo_item used to store the address of the first byte
of the parameter of a command in a todo list. It was associated with
the length of the parameter (the 'arg_len' field).
This replaces the 'arg' field by 'arg_offset'. This new field does not
store the address of the parameter, but the position of the first
character of the parameter in the buffer. todo_item_get_arg() is added
to return the address of the parameter of an item.
This will prevent todo_list_add_exec_commands() from having to do awful
pointer arithmetics when growing the todo list buffer.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git cherry-pick -m1" was forbidden when picking a non-merge
commit, even though there _is_ parent number 1 for such a commit.
This was done to avoid mistakes back when "cherry-pick" was about
picking a single commit, but is no longer useful with "cherry-pick"
that can pick a range of commits. Now the "-m$num" option is
allowed when picking any commit, as long as $num names an existing
parent of the commit.
Technically this is a backward incompatible change; hopefully
nobody is relying on the error-checking behaviour.
* so/cherry-pick-always-allow-m1:
t3506: validate '-m 1 -ff' is now accepted for non-merge commits
t3502: validate '-m 1' argument is now accepted for non-merge commits
cherry-pick: do not error on non-merge commits when '-m 1' is specified
t3510: stop using '-m 1' to force failure mid-sequence of cherry-picks
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Code clean-up.
* nd/style-opening-brace:
style: the opening '{' of a function is in a separate line
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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read_index() shares the same problem as hold_locked_index(): it
assumes $GIT_DIR/index. Move all call sites to repo_read_index()
instead. read_index_preload() and read_index_unmerged() are also
killed as a consequence.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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hold_locked_index() assumes the index path at $GIT_DIR/index. This is
not good for places that take an arbitrary index_state instead of
the_index, which is basically everywhere except builtin/.
Replace it with repo_hold_locked_index(). hold_locked_index() remains
as a wrapper around repo_hold_locked_index() to reduce changes in builtin/
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This makes the structures todo_list and todo_item, and the functions
todo_list_release() and parse_insn_buffer(), accessible outside of
sequencer.c.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This clears the number of items of a todo_list before parsing it to
allow to parse the same list multiple times without issues. As its
items are not dynamically allocated, or don’t need to allocate memory,
no additionnal memory management is required here.
Furthermore, if a line is invalid, the type of the corresponding
command is set to a garbage value, and its argument is defined properly.
This will allow to recreate the text of a todo list from its commands,
even if one of them is incorrect.
Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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More codepaths become aware of working with in-core repository
instance other than the default "the_repository".
* nd/the-index: (22 commits)
rebase-interactive.c: remove the_repository references
rerere.c: remove the_repository references
pack-*.c: remove the_repository references
pack-check.c: remove the_repository references
notes-cache.c: remove the_repository references
line-log.c: remove the_repository reference
diff-lib.c: remove the_repository references
delta-islands.c: remove the_repository references
cache-tree.c: remove the_repository references
bundle.c: remove the_repository references
branch.c: remove the_repository reference
bisect.c: remove the_repository reference
blame.c: remove implicit dependency the_repository
sequencer.c: remove implicit dependency on the_repository
sequencer.c: remove implicit dependency on the_index
transport.c: remove implicit dependency on the_index
notes-merge.c: remove implicit dependency the_repository
notes-merge.c: remove implicit dependency on the_index
list-objects.c: reduce the_repository references
list-objects-filter.c: remove implicit dependency on the_index
...
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While 'quiet' and 'interactive' may sound like antonyms, the interactive
machinery actually has logic that implements several
interactive_rebase=implied cases (--exec, --keep-empty, --rebase-merges)
which won't pop up an editor. The rewrite of interactive rebase in C
added a quiet option, though it only turns stats off. Since we want to
make the interactive machinery also take over for git-rebase--merge, it
should fully implement the --quiet option.
git-rebase--interactive was already somewhat quieter than
git-rebase--merge and git-rebase--am, possibly because cherry-pick has
just traditionally been quieter. As such, we only drop a few
informational messages -- "Rebasing (n/m)" and "Successfully rebased..."
Also, for simplicity, remove the differences in how quiet and verbose
options were recorded. Having one be signalled by the presence of a
"verbose" file in the state_dir, while the other was signalled by the
contents of a "quiet" file was just weirdly inconsistent. (This
inconsistency pre-dated the rewrite into C.) Make them consistent by
having them both key off the presence of the file.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When cherry-picking multiple commits, it's impossible to have both
merge- and non-merge commits on the same command-line. Not specifying
'-m 1' results in cherry-pick refusing to handle merge commits, while
specifying '-m 1' fails on non-merge commits.
This patch allows '-m 1' for non-merge commits. As mainline is always
the only parent for a non-merge commit, it makes little sense to
disable it.
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A common use case for the `--exec` option is to verify that each commit
in a topic branch compiles cleanly, via `git rebase -x make <base>`.
However, when an `exec` in such a rebase fails, it is not re-scheduled,
which in this instance is not particularly helpful.
Let's offer a flag to reschedule failed `exec` commands.
Based on an idea by Paul Morelle.
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: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Bugfix for the recently graduated "git rebase --rebase-merges".
* js/rebase-r-and-merge-head:
status: rebase and merge can be in progress at the same time
built-in rebase --skip/--abort: clean up stale .git/<name> files
rebase -i: include MERGE_HEAD into files to clean up
rebase -r: do not write MERGE_HEAD unless needed
rebase -r: demonstrate bug with conflicting merges
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The helper function to refresh the cached stat information in the
in-core index has learned to perform the lstat() part of the
operation in parallel on multi-core platforms.
* bp/refresh-index-using-preload:
refresh_index: remove unnecessary calls to preload_index()
speed up refresh_index() by utilizing preload_index()
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Code clean-up for a topic already in 'master'.
* ag/rebase-i-in-c:
sequencer.c: remove a stray semicolon
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Unify code to read the author-script used in "git am" and the
commands that use the sequencer machinery, e.g. "git rebase -i".
* pw/am-rebase-read-author-script:
sequencer: use read_author_script()
add read_author_script() to libgit
am: rename read_author_script()
am: improve author-script error reporting
am: don't die in read_author_script()
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Code readability fix.
* ma/sequencer-do-reset-saner-loop-termination:
sequencer: break out of loop explicitly
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Every once in a while, the interactive rebase makes sure that no stale
files are lying around. These days, we need to include MERGE_HEAD into
that set of files, as the `merge` command will generate them.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we detect that a `merge` can be skipped because the merged commit
is already an ancestor of HEAD, we do not need to commit, therefore
writing the MERGE_HEAD file is useless.
It is actually worse than useless: a subsequent `git commit` will pick
it up and think that we want to merge that commit, still.
To avoid that, move the code that writes the MERGE_HEAD file to a
location where we already know that the `merge` cannot be skipped.
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: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This case is more interesting than other boring "remove the_repo"
commits because while we need access to the object database, we cannot
simply use r->index because unpack-trees.c can operate on a temporary
index, not $GIT_DIR/index. Ideally we should be able to pass an object
database to lookup_tree() but that ship has sailed.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Phillip Wood
Junio C Hamano
Alban Gruin
Jeff Hostetler
Ramsay Jones
William Hubbs
Nguyễn Thái Ngọc Duy
Elijah Newren
Sergey Organov
Johannes Schindelin