"git mergetools" learned to drive ExamDiff.
* jn/mergetools-examdiff:
mergetools: add support for ExamDiff
mergetools: create mergetool_find_win32_cmd() helper function for winmerge
"git format-patch --help" showed `-s` and `--no-patch` as if these
are valid options to the command. We already hide `--patch` option
from the documentation, because format-patch is about showing the
diff, and the documentation now hides these options as well.
* es/format-patch-doc-hide-no-patch:
git-format-patch.txt: don't show -s as shorthand for multiple options
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
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
"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
"git diff -M" used to work better when two originally identical
files A and B got renamed to X/A and X/B by pairing A to X/A and B
to X/B, but this was broken in the 2.0 timeframe.
* sg/diff-multiple-identical-renames:
diffcore: fix iteration order of identical files during rename detection
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
"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
The commit object name reported when "rebase -i" stops has been
shortened.
* rt/rebase-i-shorten-stop-report:
rebase-i: print an abbreviated hash when stop for editing
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()
With one exception, we require the index to exactly match the
current HEAD commit at the time git merge is invoked. This
expectation was even documented in git-merge.txt until commit
ebef7e5 (Documentation: simplify How Merge Works, 2010-01-23).
Most merge strategies enforced this requirement, but it turns out
not all did. The current exceptions were the following two:
* ff updates
* octopus merges
ff updates actually will error out if the staged change is to a path
modified between HEAD and the commit being merged. If the path(s)
that are staged are files unrelated to the changes between these two
commits, though, then an ff update will just keep these staged
changes around after the merge. This is the one exception we
expected to the abort-merge-if- index-doesn't-match-HEAD rule.
For octopus merges, the rule should be enforced. Unfortunately, the
current behavior of the code is to ignore the difference and use the
staged changes in place of whatever is in HEAD as it proceeds to
perform the merge. So if the staged changes can be cleanly merged
with all the other heads, then the staged changes will just be
incorported into the resulting commit. If the staged changes cannot
be cleanly merged with all the other heads, the merge is not aborted
-- merge conflicts are simply reported as if HEAD had originally
contained whatever the index did.
Add testcases that check our expectations. A subsequent commit will
correct the erroneous octopus merge behavior.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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>
Repeating a trivial merge more than once will leave the index out of
sync, despite being clean before the merge and operating on the
exact same heads as the first run. The recorded merge has the
correct tree and the working tree is brought up to date, it is just
the index that is left as it was before the merge. Every attempt to
repeat the merge beyond the first will leave the index in the same
weird out-of-sync state.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The test uses hardcoded #!/bin/sh to create a pre-commit hook
script. Because the generated script uses $(command substitution),
which is not supported by /bin/sh on some platforms (e.g. Solaris),
the resulting pre-commit always fails.
Which is not noticeable as the test that uses the hook is about
checking the behaviour of the command when the hook fails ;-), but
nevertheless it is not testing what we wanted to test.
Use write_script so that the resulting script is run under the same
shell our scripted Porcelain commands are run, which must support
the necessary $(construct).
Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The test prepares a sample file "dir/two" with a single incomplete
line in it with "printf", and also prepares a small helper script
"diff" to create a file with a single incomplete line in it, again
with "printf". The output from the latter is compared with an
expected output, again prepared with "printf" hence lacking the
final LF. There is no reason for this test to be using files with
an incomplete line at the end, and these look more like a mistake
of not using
printf "%s\n" "string to be written"
and using
printf "string to be written"
Depending on what would be in $GIT_PREFIX, using the latter form
could be a bug waiting to happen. Correct them.
Also, the test uses hardcoded #!/bin/sh to create a small helper
script. For a small task like what the generated script does, it
does not matter too much in that what appears as /bin/sh would not
be _so_ broken, but while we are at it, use write_script instead,
which happens to make the result easier to read by reducing need
of one level of quoting.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The recent cleanup in b7cbbff switched t5532's use of
backticks to $(). This matches our normal shell style, which
is good. But it also breaks the test on Solaris, where
/bin/sh does not understand $().
Our normal shell style assumes a modern-ish shell which
knows about $(). However, some tests create small helper
scripts and just write "#!/bin/sh" into them. These scripts
either need to go back to using backticks, or they need to
respect $SHELL_PATH. The easiest way to do the latter is to
use write_script.
While we're at it, let's also stick the script creation
inside a test_expect block (our usual style), and split the
perl snippet into its own script (to prevent quoting
madness).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
When locking a symbolic ref to expire a reflog, lock the symbolic
ref (using REF_NODEREF) instead of its referent.
Add a test for this.
Signed-off-by: David Turner <dturner@twopensource.com>
Reviewed-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Now that resolve_ref_unsafe's only interaction with the backend is
through read_raw_ref, we can move it into the common code. Later,
we'll replace read_raw_ref with a backend function.
Signed-off-by: David Turner <dturner@twopensource.com>
Reviewed-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Only use the result of resolve_ref_namespace() if it is non-NULL.
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>
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>
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>
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>
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>
read_raw_ref() is going to be part of the vtable for reference backends,
so clean up its interface to use "unsigned int flags" rather than "int
flags". Its caller still uses signed int for its flags arguments. But
changing that would touch a lot of code, so leave it for now.
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>
resolve_ref_unsafe() wasn't doing anything useful anymore.
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>
Instead of creating scratch space in resolve_ref_unsafe() and passing
it down through resolve_ref_1 to read_raw_ref(), teach read_raw_ref()
to manage its own scratch space. This reduces coupling across the
functions at the cost of some extra allocations.
Also, when read_raw_ref() is implemented for different reference
backends, the other implementations might have different scratch
space requirements.
Note that we now preserve errno across the calls to strbuf_release(),
which calls free() and can thus theoretically overwrite errno.
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>
Refactor resolve_ref_1 in terms of a new function read_raw_ref, which
is responsible for reading ref data from the ref storage.
Later, we will make read_raw_ref a pluggable backend function, and make
resolve_ref_unsafe common.
Signed-off-by: David Turner <dturner@twopensource.com>
Helped-by: Duy Nguyen <pclouds@gmail.com>
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
We can use (*flags & REF_BAD_NAME) for that purpose.
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>
There is no need to adjust *flags if we're just about to fail.
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>
In place of `buf`, use `refname`, which is anyway a better description
of what is being pointed at.
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>
If the caller passes flags==NULL, then set it to point at a local
scratch variable. This removes the need for a lot of "if (flags)"
guards in resolve_ref_1() and resolve_missing_loose_ref().
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>
The loop's there anyway; we might as well use it.
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>
Make resolve_missing_loose_ref() only responsible for looking up a
packed reference, without worrying about whether we want to read or
write the reference and without setting errno on failure. Move the other
logic to the caller.
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>
Check "branch -d broken...ref"
Check various combinations of
* Deleting using "update-ref -d"
* Deleting using "update-ref --no-deref -d"
* Deleting using "branch -d"
in the following combinations of symref -> ref:
* badname -> broken...ref
* badname -> broken...ref (dangling)
* broken...symref -> master
* broken...symref -> idonotexist (dangling)
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>
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>
It's questionable whether it should even work.
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>
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>
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>
Make do_for_each_ref take a submodule as an argument instead of a
ref_cache. Since all for_each_*ref* functions are defined in terms of
do_for_each_ref, we can then move them into the common code.
Later, we can simply make do_for_each_ref into a backend function.
Signed-off-by: David Turner <dturner@twopensource.com>
Reviewed-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
These don't use any backend-specific functions. These were previously
defined in terms of the do_head_ref helper function, but since they
are otherwise identical, we don't need that function.
Signed-off-by: David Turner <dturner@twopensource.com>
Reviewed-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
We pass off to the "_gently" form to do the real work, and
just die() if it returned an error. However, our die message
de-references "value", which may be NULL if the request was
to unset a variable. Nobody using glibc noticed, because it
simply prints "(null)", which is good enough for the test
suite (and presumably very few people run across this in
practice). But other libc implementations (like Solaris) may
segfault.
Let's not only fix that, but let's make the message more
clear about what is going on in the "unset" case.
Reported-by: "Tom G. Christensen" <tgc@jupiterrise.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This function is just a thin wrapper for the "_gently" form
of the function. But the gently form is designed to feed
builtin/config.c, which passes our return code directly to
its exit status, and thus uses positive error values for
some cases. We check only negative values, meaning we would
fail to die in some cases (e.g., a malformed key).
This may or may not be triggerable in practice; we tend to
use this non-gentle form only when setting internal
variables, which would not have malformed keys.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This follows our usual style (both throughout git, and
throughout the rest of this file).
This covers the whole file, but note that I left the capitalization in
the multi-sentence:
error: malformed value...
error: Must be one of ...
because it helps make it clear that we are starting a new sentence in
the second one.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Felix Ruess <felix.ruess@gmail.com> noticed that with configuration
$ git config --global 'http.proxy=socks5h://127.0.0.1:1080'
connections to remote sites time out, waiting for DNS resolution.
The logic to detect various flavours of SOCKS proxy and ask the
libcurl layer to use appropriate one understands the proxy string
that begin with socks5, socks4a, etc., but does not know socks5h,
and we end up using CURLPROXY_SOCKS5. The correct one to use is
CURLPROXY_SOCKS5_HOSTNAME.
https://curl.haxx.se/libcurl/c/CURLOPT_PROXY.html says
..., socks5h:// (the last one to enable socks5 and asking the
proxy to do the resolving, also known as CURLPROXY_SOCKS5_HOSTNAME
type).
which is consistent with the way the breakage was reported.
Tested-by: Felix Ruess <felix.ruess@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano
Elijah Newren
Jeff King
David Turner
Michael Haggerty