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The pack.useSparse config option was introduced by 3d036eb0
(pack-objects: create pack.useSparse setting, 2019-01-19) and was
first available in v2.21.0. When enabled, the pack-objects process
during 'git push' will use a sparse tree walk when deciding which
trees and blobs to send to the remote. The algorithm was introduced
by d5d2e93 (revision: implement sparse algorithm, 2019-01-16) and
has been in production use by VFS for Git since around that time.
The features.experimental config option also enabled pack.useSparse,
so hopefully that has also increased exposure.
It is worth noting that pack.useSparse has a possibility of
sending more objects across a push, but requires a special
arrangement of exact _copies_ across directories. There is a test
in t5322-pack-objects-sparse.sh that demonstrates this possibility.
This test uses the --sparse option to "git pack-objects" but we
can make it implied by the config value to demonstrate that the
default value has changed.
While updating that test, I noticed that the documentation did not
include an option for --no-sparse, which is now more important than
it was before.
Since the downside is unlikely but the upside is significant, set
the default value of pack.useSparse to true. Remove it from the
set of options implied by features.experimental.
Signed-off-by: Derrick Stolee <dstolee@microsoft.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: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Docfix.
* jk/doc-credential-helper:
doc: move credential helper info into gitcredentials(7)
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Both "git ls-remote -h" and "git grep -h" give short usage help,
like any other Git subcommand, but it is not unreasonable to expect
that the former would behave the same as "git ls-remote --head"
(there is no other sensible behaviour for the latter). The
documentation has been updated in an attempt to clarify this.
* jc/doc-single-h-is-for-help:
Documentation: clarify that `-h` alone stands for `help`
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"git check-ignore" did not work when the given path is explicitly
marked as not ignored with a negative entry in the .gitignore file.
* en/check-ignore:
check-ignore: fix documentation and implementation to match
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Doc markup fix.
* jk/push-option-doc-markup-fix:
doc/config/push: use longer "--" line for preformatted example
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Update to doc-diff.
* jk/doc-diff-parallel:
doc-diff: use single-colon rule in rendering Makefile
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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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Band-aid fixes for two fallouts from switching the default "rebase"
backend.
* en/rebase-backend:
git-rebase.txt: highlight backend differences with commit rewording
sequencer: clear state upon dropping a become-empty commit
i18n: unmark a message in rebase.c
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As noted by Junio:
Back when "git am" was written, it was not considered a bug that the
"git am --resolved" option did not offer the user a chance to update
the log message to match the adjustment of the code the user made,
but honestly, I'd have to say that it is a bug in "git am" in that
over time it wasn't adjusted to the new world order where we
encourage users to describe what they did when the automation
hiccuped by opening an editor. These days, even when automation
worked well (e.g. a clean auto-merge with "git merge"), we open an
editor. The world has changed, and so should the expectations.
Junio also suggested providing a workaround such as allowing --no-edit
together with git rebase --continue, but that should probably be done in
a patch after the git-2.26.0 release. For now, just document the known
difference in the Behavioral Differences section.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Both "git ls-remote -h" and "git grep -h" give short usage help,
like any other Git subcommand, but it is not unreasonable to expect
that the former would behave the same as "git ls-remote --head"
(there is no other sensible behaviour for the latter). The
documentation has been updated in an attempt to clarify this.
* jc/doc-single-h-is-for-help:
Documentation: clarify that `-h` alone stands for `help`
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git am --short-current-patch" is a way to show the piece of e-mail
for the stopped step, which is not suitable to directly feed "git
apply" (it is designed to be a good "git am" input). It learned a
new option to show only the patch part.
* pb/am-show-current-patch:
am: support --show-current-patch=diff to retrieve .git/rebase-apply/patch
am: support --show-current-patch=raw as a synonym for--show-current-patch
am: convert "resume" variable to a struct
parse-options: convert "command mode" to a flag
parse-options: add testcases for OPT_CMDMODE()
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"git rm" and "git stash" learns the new "--pathspec-from-file"
option.
* am/pathspec-f-f-more:
stash push: support the --pathspec-from-file option
stash: eliminate crude option parsing
doc: stash: synchronize <pathspec> description
doc: stash: document more options
doc: stash: split options from description (2)
doc: stash: split options from description (1)
rm: support the --pathspec-from-file option
doc: rm: synchronize <pathspec> description
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git clone --recurse-submodules --single-branch" now uses the same
single-branch option when cloning the submodules.
* es/recursive-single-branch-clone:
clone: pass --single-branch during --recurse-submodules
submodule--helper: use C99 named initializer
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A configuration element used for credential subsystem can now use
wildcard pattern to specify for which set of URLs the entry
applies.
* bc/wildcard-credential:
credential: allow wildcard patterns when matching config
credential: use the last matching username in the config
t0300: add tests for some additional cases
t1300: add test for urlmatch with multiple wildcards
mailmap: add an additional email address for brian m. carlson
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"git sparse-checkout" learned a new "add" subcommand.
* ds/sparse-add:
sparse-checkout: allow one-character directories in cone mode
sparse-checkout: work with Windows paths
sparse-checkout: create 'add' subcommand
sparse-checkout: extract pattern update from 'set' subcommand
sparse-checkout: extract add_patterns_from_input()
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git rebase" has learned to use the merge backend (i.e. the
machinery that drives "rebase -i") by default, while allowing
"--apply" option to use the "apply" backend (e.g. the moral
equivalent of "format-patch piped to am"). The rebase.backend
configuration variable can be set to customize.
* en/rebase-backend:
rebase: rename the two primary rebase backends
rebase: change the default backend from "am" to "merge"
rebase: make the backend configurable via config setting
rebase tests: repeat some tests using the merge backend instead of am
rebase tests: mark tests specific to the am-backend with --am
rebase: drop '-i' from the reflog for interactive-based rebases
git-prompt: change the prompt for interactive-based rebases
rebase: add an --am option
rebase: move incompatibility checks between backend options a bit earlier
git-rebase.txt: add more details about behavioral differences of backends
rebase: allow more types of rebases to fast-forward
t3432: make these tests work with either am or merge backends
rebase: fix handling of restrict_revision
rebase: make sure to pass along the quiet flag to the sequencer
rebase, sequencer: remove the broken GIT_QUIET handling
t3406: simplify an already simple test
rebase (interactive-backend): fix handling of commits that become empty
rebase (interactive-backend): make --keep-empty the default
t3404: directly test the behavior of interest
git-rebase.txt: update description of --allow-empty-message
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"git check-ignore" did not work when the given path is explicitly
marked as not ignored with a negative entry in the .gitignore file.
* en/check-ignore:
check-ignore: fix documentation and implementation to match
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Doc markup fix.
* jk/push-option-doc-markup-fix:
doc/config/push: use longer "--" line for preformatted example
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Update to doc-diff.
* jk/doc-diff-parallel:
doc-diff: use single-colon rule in rendering Makefile
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We seem to be getting new users who get confused every 20 months or
so with this "-h consistently wants to give help, but the commands
to which `-h` may feel like a good short-form option want it to mean
something else." compromise.
Let's make sure that the readers know that `git cmd -h` (with no
other arguments) is a way to get usage text, even for commands like
ls-remote and grep.
Also extend the description that is already in gitcli.txt, as it is
clear that users still get confused with the current text.
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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Doc for new contributors.
* es/doc-mentoring:
MyFirstContribution: rephrase contact info
MyFirstContribution: add avenues for getting help
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The basic 7 colors learned the brighter counterparts
(e.g. "brightred").
* es/bright-colors:
color.c: alias RGB colors 8-15 to aixterm colors
color.c: support bright aixterm colors
color.c: refactor color_output arguments
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"git remote rename X Y" needs to adjust configuration variables
(e.g. branch.<name>.remote) whose value used to be X to Y.
branch.<name>.pushRemote is now also updated.
* bw/remote-rename-update-config:
remote rename/remove: gently handle remote.pushDefault config
config: provide access to the current line number
remote rename/remove: handle branch.<name>.pushRemote config values
remote: clean-up config callback
remote: clean-up by returning early to avoid one indentation
pull --rebase/remote rename: document and honor single-letter abbreviations rebase types
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Previously, performing "git clone --recurse-submodules --single-branch"
resulted in submodules cloning all branches even though the superproject
cloned only one branch. Pipe --single-branch through the submodule
helper framework to make it to 'clone' later on.
Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "git am --show-current-patch" was added in commit 984913a210 ("am:
add --show-current-patch", 2018-02-12), "git am" started recommending it
as a replacement for .git/rebase-merge/patch. Unfortunately the suggestion
is somewhat misguided; for example, the output of "git am --show-current-patch"
cannot be passed to "git apply" if it is encoded as quoted-printable
or base64. Add a new mode to "git am --show-current-patch" in order to
straighten the suggestion.
Reported-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "git am --show-current-patch" was added in commit 984913a210 ("am:
add --show-current-patch", 2018-02-12), "git am" started recommending it
as a replacement for .git/rebase-merge/patch. Unfortunately the suggestion
is somewhat misguided; for example, the output "git am --show-current-patch"
cannot be passed to "git apply" if it is encoded as quoted-printable or
base64. To simplify worktree operations and to avoid that users poke into
.git, it would be better if "git am" also provided a mode that copies
.git/rebase-merge/patch to stdout.
One possibility could be to have completely separate options, introducing
for example --show-current-message (for .git/rebase-apply/NNNN)
and --show-current-diff (for .git/rebase-apply/patch), while possibly
deprecating --show-current-patch.
That would even remove the need for the first two patches in the series.
However, the long common prefix would have prevented using an abbreviated
option such as "--show". Therefore, I chose instead to add a string
argument to --show-current-patch. The new argument is optional, so that
"git am --show-current-patch"'s behavior remains backwards-compatible.
The next choice to make is how to handle multiple --show-current-patch
options. Right now, something like "git am --abort --show-current-patch"
is rejected, and the previous suggestion would likewise have naturally
rejected a command line like
git am --show-current-message --show-current-diff
Therefore, I decided to also reject for example
git am --show-current-patch=diff --show-current-patch=raw
In other words the whole of --show-current-patch=xxx (including the
optional argument) is treated as the command mode. I found this to be
more consistent and intuitive, even though it differs from the usual
"last one wins" semantics of the git command line.
Add the code to parse submodes based on the above design, where for now
"raw" is the only valid submode. "raw" prints the full e-mail message
just like "git am --show-current-patch".
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In some cases, a user will want to use a specific credential helper for
a wildcard pattern, such as https://*.corp.example.com. We have code
that handles this already with the urlmatch code, so let's use that
instead of our custom code.
Since the urlmatch code is a superset of our current matching in terms
of capabilities, there shouldn't be any cases of things that matched
previously that don't match now. However, in addition to wildcard
matching, we now use partial path matching, which can cause slightly
different behavior in the case that a helper applies to the prefix
(considering path components) of the remote URL. While different, this
is probably the behavior people were wanting anyway.
Since we're using the urlmatch code, we need to encode the components
we've gotten into a URL to match, so add a function to percent-encode
data and format the URL with it. We now also no longer need to the
custom code to match URLs, so let's remove it.
Additionally, the urlmatch code always looks for the best match, whereas
we want all matches for credential helpers to preserve existing
behavior. Let's add an optional field, select_fn, that lets us control
which items we want (in this case, all of them) and default it to the
best-match code that already exists for other users.
Signed-off-by: brian m. carlson <bk2204@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Decisions taken for simplicity:
1) For now, `--pathspec-from-file` is declared incompatible with
`--patch`, even when <file> is not `-`. Such use case is not
really expected.
2) It is not allowed to pass pathspec in both args and file.
Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch continues the effort that is already applied to
`git commit`, `git reset`, `git checkout` etc.
1) Added reference to 'linkgit:gitglossary[7]'.
2) Fixed mentions of incorrectly plural "pathspecs".
Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Together with the previous patch, this brings docs for `git stash` to
the common layout used for most other commands (see for example docs
for `git add`, `git commit`, `git checkout`, `git reset`) where all
options are documented in a separate list.
After some thinking and having a look at docs for `git svn` and
`git `submodule`, I have arrived at following conclusions:
* Options should be described in a list rather then text to
facilitate lookup for user.
* Single list is better then multiple lists because it avoids
copy&pasting descriptions between subcommands (or, without
copy&pasting, user will have to look up missing options in other
subcommands).
* As a consequence, commands section should only give brief info and
list possible options. Since options have good enough names, user
will only need to look up the "interesting" options.
* Every option should list which subcommands support it.
I have decided to use alphabetical sorting in the list of options to
facilitate lookup for user.
There is some text editing done to make old descriptions better fit
into the list-style format.
Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch moves blocks of text as-is to make it easier to review the
next patch.
Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Decisions taken for simplicity:
1) It is not allowed to pass pathspec in both args and file.
Adjustments were needed for `if (!argc)` block:
This code actually means "pathspec is not present". Previously, pathspec
could only come from commandline arguments, so testing for `argc` was a
valid way of testing for the presence of pathspec. But this is no longer
true with `--pathspec-from-file`.
During the entire `--pathspec-from-file` story, I tried to keep its
behavior very close to giving pathspec on commandline, so that switching
from one to another doesn't involve any surprises.
However, throwing usage at user in the case of empty
`--pathspec-from-file` would puzzle because there's nothing wrong with
"usage" (that is, argc/argv array).
On the other hand, throwing usage in the old case also feels bad to me.
While it's less of a puzzle, I (as user) never liked the experience of
comparing my commandline to "usage", trying to spot a difference. Since
it's already known what the error is, it feels a lot better to give that
specific error to user.
Judging from [1] it doesn't seem that showing usage in this case was
important (the patch was to avoid segfault), and it doesn't fit into how
other commands react to empty pathspec (see for example `git add` with a
custom message).
Therefore, I decided to show new error text in both cases. In order to
continue testing for error early, I moved `parse_pathspec()` higher. Now
it happens before `read_cache()` / `hold_locked_index()` /
`setup_work_tree()`, which shouldn't cause any issues.
[1] Commit 7612a1ef ("git-rm: honor -n flag" 2006-06-09)
Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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check-ignore has two different modes, and neither of these modes has an
implementation that matches the documentation. These modes differ in
whether they just print paths or whether they also print the final
pattern matched by the path. The fix is different for both modes, so
I'll discuss both separately.
=== First (default) mode ===
The first mode is documented as:
For each pathname given via the command-line or from a file via
--stdin, check whether the file is excluded by .gitignore (or other
input files to the exclude mechanism) and output the path if it is
excluded.
However, it fails to do this because it did not account for negated
patterns. Commands other than check-ignore verify exclusion rules via
calling
... -> treat_one_path() -> is_excluded() -> last_matching_pattern()
while check-ignore has a call path of the form:
... -> check_ignore() -> last_matching_pattern()
The fact that the latter does not include the call to is_excluded()
means that it is susceptible to to messing up negated patterns (since
that is the only significant thing is_excluded() adds over
last_matching_pattern()). Unfortunately, we can't make it just call
is_excluded(), because the same codepath is used by the verbose mode
which needs to know the matched pattern in question. This brings us
to...
=== Second (verbose) mode ===
The second mode, known as verbose mode, references the first in the
documentation and says:
Also output details about the matching pattern (if any) for each
given pathname. For precedence rules within and between exclude
sources, see gitignore(5).
The "Also" means it will print patterns that match the exclude rules as
noted for the first mode, and also print which pattern matches. Unless
more information is printed than just pathname and pattern (which is not
done), this definition is somewhat ill-defined and perhaps even
self-contradictory for negated patterns: A path which matches a negated
exclude pattern is NOT excluded and thus shouldn't be printed by the
former logic, while it certainly does match one of the explicit patterns
and thus should be printed by the latter logic.
=== Resolution ==
Since the second mode exists to find out which pattern matches given
paths, and showing the user a pattern that begins with a '!' is
sufficient for them to figure out whether the pattern is excluded, the
existing behavior is desirable -- we just need to update the
documentation to match the implementation (i.e. it is about printing
which pattern is matched by paths, not about showing which paths are
excluded).
For the first or default mode, users just want to know whether a pattern
is excluded. As such, the existing documentation is desirable; change
the implementation to match the documented behavior.
Finally, also adjust a few tests in t0008 that were caught up by this
discrepancy in how negated paths were handled.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When rendering the troff manpages to text via "man", we create an ad-hoc
Makefile and feed it to "make". The purpose here is two-fold:
- reuse results from a prior interrupted render of the same tree
- use make's -j option to build in parallel
But the second part doesn't seem to work (at least with my version of
GNU make, 4.2.1). It just runs one render at a time.
We use a double-colon "all" rule for each file, like:
all:: foo
foo:
...actual render recipe...
all:: bar
bar:
...actual render recipe...
...and so on...
And it's this double-colon that seems to inhibit the parallelism. We can
just switch to a regular single-colon rule. Even though we do have
multiple rules for "all" here, we don't have any recipe to execute for
"all" (we only care about triggering its dependencies), so the
distinction is irrelevant.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The example for the push.pushOption config tries to create a
preformatted section, but uses only two dashes in its "--" line. In
AsciiDoc this is an "open block", with no type; the lines end up jumbled
because they're formatted as paragraphs. We need four or more dashes to
make it a "listing block" that will respect the linebreaks.
Signed-off-by: Jeff King <peff@peff.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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Docfix.
* jk/doc-credential-helper:
doc: move credential helper info into gitcredentials(7)
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"git config" learned to show in which "scope", in addition to in
which file, each config setting comes from.
* mr/show-config-scope:
config: add '--show-scope' to print the scope of a config value
submodule-config: add subomdule config scope
config: teach git_config_source to remember its scope
config: preserve scope in do_git_config_sequence
config: clarify meaning of command line scoping
config: split repo scope to local and worktree
config: make scope_name non-static and rename it
t1300: create custom config file without special characters
t1300: fix over-indented HERE-DOCs
config: fix typo in variable name
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Two related changes, with separate rationale for each:
Rename the 'interactive' backend to 'merge' because:
* 'interactive' as a name caused confusion; this backend has been used
for many kinds of non-interactive rebases, and will probably be used
in the future for more non-interactive rebases than interactive ones
given that we are making it the default.
* 'interactive' is not the underlying strategy; merging is.
* the directory where state is stored is not called
.git/rebase-interactive but .git/rebase-merge.
Rename the 'am' backend to 'apply' because:
* Few users are familiar with git-am as a reference point.
* Related to the above, the name 'am' makes sentences in the
documentation harder for users to read and comprehend (they may read
it as the verb from "I am"); avoiding this difficult places a large
burden on anyone writing documentation about this backend to be very
careful with quoting and sentence structure and often forces
annoying redundancy to try to avoid such problems.
* Users stumble over pronunciation ("am" as in "I am a person not a
backend" or "am" as in "the first and thirteenth letters in the
alphabet in order are "A-M"); this may drive confusion when one user
tries to explain to another what they are doing.
* While "am" is the tool driving this backend, the tool driving git-am
is git-apply, and since we are driving towards lower-level tools
for the naming of the merge backend we may as well do so here too.
* The directory where state is stored has never been called
.git/rebase-am, it was always called .git/rebase-apply.
For all the reasons listed above:
* Modify the documentation to refer to the backends with the new names
* Provide a brief note in the documentation connecting the new names
to the old names in case users run across the old names anywhere
(e.g. in old release notes or older versions of the documentation)
* Change the (new) --am command line flag to --apply
* Rename some enums, variables, and functions to reinforce the new
backend names for us as well.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Derrick Stolee
Elijah Newren
Junio C Hamano
Emily Shaffer
Paolo Bonzini
brian m. carlson
Alexandr Miloslavskiy
Jeff King