| Commit message (Collapse) | Author | Age |
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The return value of resolve_ref_unsafe() is not guaranteed to stay
around as long as we need it, so use resolve_refdup() instead.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
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When "git merge" notices that the merge can be resolved purely at
the tree level (without having to merge blobs) and the resulting
tree happens to already exist in the object store, it forgot to
update the index, which lead to an inconsistent state for later
operations.
* en/merge-trivial-fix:
builtin/merge.c: fix a bug with trivial merges
t7605: add a testcase demonstrating a bug with trivial merges
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If read_tree_trivial() succeeds and produces a tree that is already
in the object store, then the index is not written to disk, leaving
it out-of-sync with both HEAD and the working tree.
In order to write the index back out to disk after a merge,
write_index_locked() needs to be called. For most merge strategies, this
is done from try_merge_strategy(). For fast forward updates, this is
done from checkout_fast_forward(). When trivial merges work, the call to
write_index_locked() is buried a little deeper:
merge_trivial()
-> write_tree_trivial()
-> write_cache_as_tree()
-> write_index_as_tree()
-> write_locked_index()
However, it is only called when !cache_tree_fully_valid(), which is how
this bug is triggered. But that also shows why this bug doesn't affect
any other merge strategies or cases.
Add a direct call to write_index_locked() from merge_trivial() to fix
this issue. Since the indirect call to write_locked_index() was
conditional on cache_tree_fully_valid(), it won't be written twice.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code restructuring around the "refs" area to prepare for pluggable
refs backends.
* dt/pre-refs-backend: (24 commits)
refs: on symref reflog expire, lock symref not referrent
refs: move resolve_ref_unsafe into common code
show_head_ref(): check the result of resolve_ref_namespace()
check_aliased_update(): check that dst_name is non-NULL
checkout_paths(): remove unneeded flag variable
cmd_merge(): remove unneeded flag variable
fsck_head_link(): remove unneeded flag variable
read_raw_ref(): change flags parameter to unsigned int
files-backend: inline resolve_ref_1() into resolve_ref_unsafe()
read_raw_ref(): manage own scratch space
files-backend: break out ref reading
resolve_ref_1(): eliminate local variable "bad_name"
resolve_ref_1(): reorder code
resolve_ref_1(): eliminate local variable
resolve_ref_unsafe(): ensure flags is always set
resolve_ref_unsafe(): use for loop to count up to MAXDEPTH
resolve_missing_loose_ref(): simplify semantics
t1430: improve test coverage of deletion of badly-named refs
t1430: test for-each-ref in the presence of badly-named refs
t1430: don't rely on symbolic-ref for creating broken symrefs
...
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If there is an error in resolve_ref_unsafe(), it returns NULL. We check
for this case, but not until after calling strip_namespace(). Instead,
call strip_namespace() *after* the NULL check.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: David Turner <dturner@twopensource.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is never read, so we can pass NULL to resolve_ref_unsafe().
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: David Turner <dturner@twopensource.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is never read, so we can pass NULL to resolve_ref_unsafe().
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: David Turner <dturner@twopensource.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is never read, so we can pass NULL to resolve_ref_unsafe().
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: David Turner <dturner@twopensource.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git commit" misbehaved in a few minor ways when an empty message
is given via -m '', all of which has been corrected.
* ad/commit-have-m-option:
commit: do not ignore an empty message given by -m ''
commit: --amend -m '' silently fails to wipe message
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When f9568530 (builtin-commit: resurrect behavior for multiple -m
options, 2007-11-11) converted a "char *message" to "struct strbuf
message" to hold the messages given with the "-m" option, it
incorrectly changed the checks "did we get a message with the -m
option?" to "is message.len 0?". Later, we noticed one breakage
from this change and corrected it with 25206778 (commit: don't start
editor if empty message is given with -m, 2013-05-25).
However, "we got a message with -m, even though an empty one, so we
shouldn't be launching an editor" was not the only breakage.
* "git commit --amend -m '' --allow-empty", even though it looks
strange, is a valid request to amend the commit to have no
message at all. Due to the misdetection of the presence of -m on
the command line, we ended up keeping the log messsage from the
original commit.
* "git commit -m "$msg" -F file" should be rejected whether $msg is
an empty string or not, but due to the same bug, was not rejected
when $msg is empty.
* "git -c template=file -m "$msg"" should ignore the template even
when $msg is empty, but it didn't and instead used the contents
from the template file.
Correct these by checking have_option_m, which the earlier 25206778
introduced to fix the same bug.
Reported-by: Adam Dinwoodie <adam@dinwoodie.org>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A partial rewrite of "git submodule" in the 2.7 timeframe changed
the way the gitdir: pointer in the submodules point at the real
repository location to use absolute paths by accident. This has
been corrected.
* sb/submodule-helper-clone-regression-fix:
submodule--helper, module_clone: catch fprintf failure
submodule--helper: do not borrow absolute_path() result for too long
submodule--helper, module_clone: always operate on absolute paths
submodule--helper clone: create the submodule path just once
submodule--helper: fix potential NULL-dereference
recursive submodules: test for relative paths
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The return value of fprintf is unchecked, which may lead to
unreported errors. Use fprintf_or_die to report the error to the user.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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absolute_path() is designed to allow its callers to take a brief
peek of the result (typically, to be fed to functions like
strbuf_add() and relative_path() as a parameter) without having to
worry about freeing it, but the other side of the coin of that
memory model is that the caller shouldn't rely too much on the
result living forever--there may be a helper function the caller
subsequently calls that makes its own call to absolute_path(),
invalidating the earlier result.
Use xstrdup() to make our own copy, and free(3) it when we are done.
While at it, remove an unnecessary sm_gitdir_rel variable that was
only used to as a parameter to call absolute_path() and never used
again.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When giving relative paths to `relative_path` to compute a relative path
from one directory to another, this may fail in `relative_path`.
Make sure both arguments to `relative_path` are always absolute.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We make sure that the parent directory of path exists (or create it
otherwise) and then do the same for path + "/.git".
That is equivalent to just making sure that the parent directory of
path + "/.git" exists (or create it otherwise).
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Don't dereference NULL 'path' if it was never assigned. Also
protect against an empty --path argument.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A change back in version 2.7 to "git branch" broke display of a
symbolic ref in a non-standard place in the refs/ hierarchy (we
expect symbolic refs to appear in refs/remotes/*/HEAD to point at
the primary branch the remote has, and as .git/HEAD to point at the
branch we locally checked out).
* jk/branch-shortening-funny-symrefs:
branch: fix shortening of non-remote symrefs
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Commit aedcb7d (branch.c: use 'ref-filter' APIs, 2015-09-23)
adjusted the symref-printing code to look like this:
if (item->symref) {
skip_prefix(item->symref, "refs/remotes/", &desc);
strbuf_addf(&out, " -> %s", desc);
}
This has three bugs in it:
1. It always skips past "refs/remotes/", instead of
skipping past the prefix associated with the branch we
are showing (so commonly we see "refs/remotes/" for the
refs/remotes/origin/HEAD symref, but the previous code
would skip "refs/heads/" when showing a symref it found
in refs/heads/.
2. If skip_prefix() does not match, it leaves "desc"
untouched, and we show whatever happened to be in it
(which is the refname from a call to skip_prefix()
earlier in the function).
3. If we do match with skip_prefix(), we stomp on the
"desc" variable, which is later passed to
add_verbose_info(). We probably want to retain the
original refname there (though it likely doesn't matter
in practice, since after all, one points to the other).
The fix to match the original code is fairly easy: record
the prefix to strip based on item->kind, and use it here.
However, since we already have a local variable named "prefix",
let's give the two prefixes verbose names so we don't
confuse them.
Signed-off-by: Jeff King <peff@peff.net>
Acked-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "git worktree" feature is in use, "git branch -m" renamed a
branch that is checked out in another worktree without adjusting
the HEAD symbolic ref for the worktree.
* ky/branch-m-worktree:
set_worktree_head_symref(): fix error message
branch -m: update all per-worktree HEADs
refs: add a new function set_worktree_head_symref
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When renaming a branch, currently only the HEAD of current working tree
is updated, but it must update HEADs of all working trees which point at
the old branch.
This is the current behavior, /path/to/wt's HEAD is not updated:
% git worktree list
/path/to 2c3c5f2 [master]
/path/to/wt 2c3c5f2 [oldname]
% git branch -m master master2
% git worktree list
/path/to 2c3c5f2 [master2]
/path/to/wt 2c3c5f2 [oldname]
% git branch -m oldname newname
% git worktree list
/path/to 2c3c5f2 [master2]
/path/to/wt 0000000 [oldname]
This patch fixes this issue by updating all relevant worktree HEADs
when renaming a branch.
Signed-off-by: Kazuki Yamaguchi <k@rhe.jp>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When running "git blame $path" with unnormalized data in the index
for the path, the data in the working tree was blamed, even though
"git add" would not have changed what is already in the index, due
to "safe crlf" that disables the line-end conversion. It has been
corrected.
* tb/blame-force-read-cache-to-workaround-safe-crlf:
correct blame for files commited with CRLF
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git blame reports lines as not "Not Committed Yet" when they have
CRLF in the index, CRLF in the worktree and core.autocrlf is true.
Since commit c4805393 (autocrlf: Make it work also for un-normalized
repositories, 2010-05-12), files that have CRLF in the index are not
normalized at commit when core.autocrl is set.
Add a call to read_cache() early in fake_working_tree_commit(),
before calling convert_to_git().
Signed-off-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "git log" shows the log message indented by 4-spaces, the
remainder of a line after a HT does not align in the way the author
originally intended. The command now expands tabs by default in
such a case, and allows the users to override it with a new option,
'--no-expand-tabs'.
* lt/pretty-expand-tabs:
pretty: test --expand-tabs
pretty: allow tweaking tabwidth in --expand-tabs
pretty: enable --expand-tabs by default for selected pretty formats
pretty: expand tabs in indented logs to make things line up properly
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"git log --pretty={medium,full,fuller}" and "git log" by default
prepend 4 spaces to the log message, so it makes sense to enable
the new "expand-tabs" facility by default for these formats.
Add --no-expand-tabs option to override the new default.
The change alone breaks a test in t4201 that runs "git shortlog"
on the output from "git log", and expects that the output from
"git log" does not do such a tab expansion. Adjust the test to
explicitly disable expand-tabs with --no-expand-tabs.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git pull --rebase" learned "--[no-]autostash" option, so that
the rebase.autostash configuration variable set to true can be
overridden from the command line.
* mj/pull-rebase-autostash:
t5520: test --[no-]autostash with pull.rebase=true
t5520: reduce commom lines of code
t5520: factor out common "failing autostash" code
t5520: factor out common "successful autostash" code
t5520: use better test to check stderr output
t5520: ensure consistent test conditions
t5520: use consistent capitalization in test titles
pull --rebase: add --[no-]autostash flag
git-pull.c: introduce git_pull_config()
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If rebase.autoStash configuration variable is set, there is no way to
override it for "git pull --rebase" from the command line.
Teach "git pull --rebase" the --[no-]autostash command line flag which
overrides the current value of rebase.autoStash, if set. As "git rebase"
understands the --[no-]autostash option, it's just a matter of passing
the option to underlying "git rebase" when "git pull --rebase" is called.
Helped-by: Matthieu Moy <Matthieu.Moy@grenoble-inp.fr>
Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Paul Tan <pyokagan@gmail.com>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Mehul Jain <mehul.jain2029@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git-pull makes a seperate call to git_config_get_bool() to read the value
of "rebase.autostash". This can be reduced as a call to git_config() is
already there in the code.
Introduce a callback function git_pull_config() to read "rebase.autostash"
along with other variables.
Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Paul Tan <pyokagan@gmail.com>
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Mehul Jain <mehul.jain2029@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Minor code clean-up.
* cc/apply:
builtin/apply: free patch when parse_chunk() fails
builtin/apply: handle parse_binary() failure
apply: remove unused call to free() in gitdiff_{old,new}name()
builtin/apply: get rid of useless 'name' variable
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When parse_chunk() fails it can return -1, for example
when find_header() doesn't find a patch header.
In this case it's better in apply_patch() to free the
"struct patch" that we just allocated instead of
leaking it.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In parse_binary() there is:
forward = parse_binary_hunk(&buffer, &size, &status, &used);
if (!forward && !status)
/* there has to be one hunk (forward hunk) */
return error(_("unrecognized binary patch at line %d"), linenr-1);
so parse_binary() can return -1, because that's what error() returns.
Also parse_binary_hunk() sets "status" to -1 in case of error and
parse_binary() does "if (status) return status;".
In this case parse_chunk() should not add -1 to the patchsize it computes.
It is better for future libification efforts to make it just return -1.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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These two functions keep a copy of filename it was given, let
gitdiff_verify_name() to rewrite it to a new filename and then free
the original if they receive a newly minted filename.
However
(1) when the original name is NULL, gitdiff_verify_name() returns
either NULL or a newly minted value. Either case, we do not
have to worry about calling free() on the original NULL.
(2) when the original name is not NULL, gitdiff_verify_name()
either returns that as-is, or calls die() when it finds
inconsistency in the patch. When the function returns, we know
that "if ()" statement always is false.
Noticed by Christian Couder.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While at it put an 'else' on the same line as the previous '}'.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Assorted minor clean-ups.
* sb/misc-cleanups:
credential-cache, send_request: close fd when done
bundle: don't leak an fd in case of early return
abbrev_sha1_in_line: don't leak memory
notes: don't leak memory in git_config_get_notes_strategy
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This function asks for the value of a configuration and after
using the value does not have to retain ownership of it.
git_config_get_string_const() however is a function to get a
copy of the value, but we forget to free it before we return.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git send-pack --all <there>" was broken when its command line
option parsing was written in the 2.6 timeframe.
* sk/send-pack-all-fix:
git-send-pack: fix --all option when used with directory
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When using git send-pack with --all option
and a target repository specification ([<host>:]<directory>),
usage message is being displayed instead of performing
the actual transmission.
The reason for this issue is that destination and refspecs are being set
in the same conditional and are populated from argv. When a target
repository is passed, refspecs is being populated as well with its value.
This makes the check for refspecs not being NULL to always return true,
which, in conjunction with the check for --all or --mirror options,
is always true as well and returns usage message instead of proceeding.
This ensures that send-pack will stop execution only when --all
or --mirror switch is used in conjunction with any refspecs passed.
Signed-off-by: Stanislav Kolotinskiy <stanislav@assembla.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "git worktree" feature is in use, "git branch -d" allowed
deletion of a branch that is checked out in another worktree
* ky/branch-d-worktree:
branch -d: refuse deleting a branch which is currently checked out
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When a branch is checked out by current working tree, deleting the
branch is forbidden. However when the branch is checked out only by
other working trees, deleting incorrectly succeeds.
Use find_shared_symref() to check if the branch is in use, not just
comparing with the current working tree's HEAD.
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Kazuki Yamaguchi <k@rhe.jp>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git worktree add" can be given "--no-checkout" option to only
create an empty worktree without checking out the files.
* rz/worktree-no-checkout:
worktree: add: introduce --checkout option
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By adding this option which defaults to true, we can use the
corresponding --no-checkout to make some customizations before
the checkout, like sparse checkout, etc.
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Helped-by: Junio C Hamano <gitster@pobox.com>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Ray Zhang <zhanglei002@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The repository set-up sequence has been streamlined (the biggest
change is that there is no longer git_config_early()), so that we
do not attempt to look into refs/* when we know we do not have a
Git repository.
* jk/check-repository-format:
verify_repository_format: mark messages for translation
setup: drop repository_format_version global
setup: unify repository version callbacks
init: use setup.c's repo version verification
setup: refactor repo format reading and verification
config: drop git_config_early
check_repository_format_gently: stop using git_config_early
lazily load core.sharedrepository
wrap shared_repository global in get/set accessors
setup: document check_repository_format()
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We check our templates to make sure they are from a
version of git we understand (otherwise we would init a
repository we cannot ourselves run in!). But our simple
integer check has fallen behind the times. Let's use the
helpers that setup.c provides to do it right.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It would be useful to control access to the global
shared_repository, so that we can lazily load its config.
The first step to doing so is to make sure all access
goes through a set of functions.
This step is purely mechanical, and should result in no
change of behavior.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git apply -v" learned to report paths in the patch that were
skipped via --include/--exclude mechanism or being outside the
current working directory.
* nd/apply-report-skip:
apply: report patch skipping in verbose mode
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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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"git merge" used to allow merging two branches that have no common
base by default, which led to a brand new history of an existing
project created and then get pulled by an unsuspecting maintainer,
which allowed an unnecessary parallel history merged into the
existing project. The command has been taught not to allow this by
default, with an escape hatch "--allow-unrelated-histories" option
to be used in a rare event that merges histories of two projects
that started their lives independently.
* jc/merge-refuse-new-root:
merge: refuse to create too cool a merge by default
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While it makes sense to allow merging unrelated histories of two
projects that started independently into one, in the way "gitk" was
merged to "git" itself aka "the coolest merge ever", such a merge is
still an unusual event. Worse, if somebody creates an independent
history by starting from a tarball of an established project and
sends a pull request to the original project, "git merge" however
happily creates such a merge without any sign of something unusual
is happening.
Teach "git merge" to refuse to create such a merge by default,
unless the user passes a new "--allow-unrelated-histories" option to
tell it that the user is aware that two unrelated projects are
merged.
Because such a "two project merge" is a rare event, a configuration
option to always allow such a merge is not added.
We could add the same option to "git pull" and have it passed
through to underlying "git merge". I do not have a fundamental
opposition against such a feature, but this commit does not do so
and instead leaves it as low-hanging fruit for others, because such
a "two project merge" would be done after fetching the other project
into some location in the working tree of an existing project and
making sure how well they fit together, it is sufficient to allow a
local merge without such an option pass-through from "git pull" to
"git merge". Many tests that are updated by this patch does the
pass-through manually by turning:
git pull something
into its equivalent:
git fetch something &&
git merge --allow-unrelated-histories FETCH_HEAD
If somebody is inclined to add such an option, updated tests in this
change need to be adjusted back to:
git pull --allow-unrelated-histories something
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git tag" can create an annotated tag without explicitly given an
"-a" (or "-s") option (i.e. when a tag message is given). A new
configuration variable, tag.forceSignAnnotated, can be used to tell
the command to create signed tag in such a situation.
* la/tag-force-signing-annotated-tags:
tag: add the option to force signing of annotated tags
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The `tag.forcesignannotated` configuration variable makes "git tag"
that would implicitly create an annotated tag to instead create a
signed tag. For example
$ git tag -m "This is a message" tag-with-message
$ git tag -F message-file tag-with-message
would create a signed tag if the configuration variable is in
effect. To override this from the command line, the user can
explicitly ask for an annotated tag, like so:
$ git tag -a -m "This is a message" tag-with-message
$ git tag -a -F message-file tag-with-message
Creation of a light-weight tag, i.e.
$ git tag lightweight
is not affected.
Signed-off-by: Laurent Arnoud <laurent@spkdev.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git -c credential.<var>=<value> submodule" can now be used to
propagate configuration variables related to credential helper
down to the submodules.
* jk/submodule-c-credential:
git_config_push_parameter: handle empty GIT_CONFIG_PARAMETERS
git: submodule honor -c credential.* from command line
quote: implement sq_quotef()
submodule: fix segmentation fault in submodule--helper clone
submodule: fix submodule--helper clone usage
submodule: check argc count for git submodule--helper clone
submodule: don't pass empty string arguments to submodule--helper clone
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