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Code simplification.
* rs/skip-iprefix:
convert: use skip_iprefix() in validate_encoding()
utf8: use skip_iprefix() in same_utf_encoding()
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Use skip_iprefix() to parse "UTF" case-insensitively instead of checking
with istarts_with(), building an upper-case version and then using
skip_prefix() on it. This gets rid of duplicate code and of a small
allocation.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Reported-by: Jens Schleusener <Jens.Schleusener@fossies.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The code to skip "UTF" and "UTF-" prefix, when computing an advice
message, did not work correctly when the prefix was "UTF", which
has been fixed.
* rs/convert-fix-utf-without-dash:
convert: fix handling of dashless UTF prefix in validate_encoding()
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Strip "UTF" and an optional dash from the start of 'upper' without
passing a NULL pointer to skip_prefix() in the second call, as it cannot
handle that.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When applying multiple patches with git am, or when rebasing using the
am backend, it's possible that one of our patches has updated a
gitattributes file. Currently, we cache this information, so if a
file in a subsequent patch has attributes applied, the file will be
written out with the attributes in place as of the time we started the
rebase or am operation, not with the attributes applied by the previous
patch. This problem does not occur when using the -m or -i flags to
rebase.
To ensure we write the correct data into the working tree, expire the
cache after each patch that touches a path ending in ".gitattributes".
Since we load these attributes in multiple separate files, we must
expire them accordingly.
Verify that both the am and rebase code paths work correctly, including
the conflict marker size with am -3.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the "clean" filter can reduce the size of a huge file in the
working tree down to a small "token" (a la Git LFS), there is no
point in allocating a huge scratch area upfront, but the buffer is
sized based on the original file size. The convert mechanism now
allocates very minimum and reallocates as it receives the output
from the clean filter process.
* jh/resize-convert-scratch-buffer:
convert: avoid malloc of original file size
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We write the output of a "clean" filter into a strbuf. Rather than
growing the strbuf dynamically as we read its output, we make the
initial allocation as large as the original input file. This is a good
guess when the filter is just tweaking a few bytes, but it's disastrous
when the point of the filter is to condense a very large file into a
short identifier (e.g., the way git-lfs and git-annex do). We may ask to
allocate many gigabytes, causing the allocation to fail and Git to
die().
Instead, let's just let strbuf do its usual growth.
When the clean filter does output something around the same size as the
worktree file, the buffer will need to be reallocated until it fits,
starting at 8192 and doubling in size. Benchmarking indicates that
reallocation is not a significant overhead for outputs up to a
few MB in size.
Signed-off-by: Joey Hess <id@joeyh.name>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code cleanup.
* jk/unused-parameter-cleanup:
convert: drop path parameter from actual conversion functions
convert: drop len parameter from conversion checks
config: drop unused parameter from maybe_remove_section()
show_date_relative(): drop unused "tz" parameter
column: drop unused "opts" parameter in item_length()
create_bundle(): drop unused "header" parameter
apply: drop unused "def" parameter from find_name_gnu()
match-trees: drop unused path parameter from score functions
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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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The caller is responsible for looking up the attributes,
after which point we no longer care about the path at which
the content is found.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We've already extracted the useful information into our text_stat
struct, so the length is no longer needed.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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By default, index compat macros are off from now on, because they
could hide the_index dependency.
Only those in builtin can use it.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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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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We indent with TABs and sometimes for fine alignment, TABs followed by
spaces, but never all spaces (unless the indentation is less than 8
columns). Indenting with spaces slips through in some places. Fix
them.
Imported code and compat/ are left alone on purpose. The former should
remain as close as upstream as possible. The latter pretty much has
separate maintainers, it's up to them to decide.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git_check_attr() returns always 0.
Remove all the error handling code of the callers, which is never executed.
Change git_check_attr() to be a void function.
Signed-off-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The more library-ish parts of the codebase learned to work on the
in-core index-state instance that is passed in by their callers,
instead of always working on the singleton "the_index" instance.
* nd/no-the-index: (24 commits)
blame.c: remove implicit dependency on the_index
apply.c: remove implicit dependency on the_index
apply.c: make init_apply_state() take a struct repository
apply.c: pass struct apply_state to more functions
resolve-undo.c: use the right index instead of the_index
archive-*.c: use the right repository
archive.c: avoid access to the_index
grep: use the right index instead of the_index
attr: remove index from git_attr_set_direction()
entry.c: use the right index instead of the_index
submodule.c: use the right index instead of the_index
pathspec.c: use the right index instead of the_index
unpack-trees: avoid the_index in verify_absent()
unpack-trees: convert clear_ce_flags* to avoid the_index
unpack-trees: don't shadow global var the_index
unpack-trees: add a note about path invalidation
unpack-trees: remove 'extern' on function declaration
ls-files: correct index argument to get_convert_attr_ascii()
preload-index.c: use the right index instead of the_index
dir.c: remove an implicit dependency on the_index in pathspec code
...
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Code clean-up to use size_t/ssize_t when they are the right type.
* jk/size-t:
strbuf_humanise: use unsigned variables
pass st.st_size as hint for strbuf_readlink()
strbuf_readlink: use ssize_t
strbuf: use size_t for length in intermediate variables
reencode_string: use size_t for string lengths
reencode_string: use st_add/st_mult helpers
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Many more strings are prepared for l10n.
* nd/i18n: (23 commits)
transport-helper.c: mark more strings for translation
transport.c: mark more strings for translation
sha1-file.c: mark more strings for translation
sequencer.c: mark more strings for translation
replace-object.c: mark more strings for translation
refspec.c: mark more strings for translation
refs.c: mark more strings for translation
pkt-line.c: mark more strings for translation
object.c: mark more strings for translation
exec-cmd.c: mark more strings for translation
environment.c: mark more strings for translation
dir.c: mark more strings for translation
convert.c: mark more strings for translation
connect.c: mark more strings for translation
config.c: mark more strings for translation
commit-graph.c: mark more strings for translation
builtin/replace.c: mark more strings for translation
builtin/pack-objects.c: mark more strings for translation
builtin/grep.c: mark strings for translation
builtin/config.c: mark more strings for translation
...
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Make the convert API take an index_state instead of assuming the_index
in convert.c. All external call sites are converted blindly to keep
the patch simple and retain current behavior. Individual call sites
may receive further updates to use the right index instead of
the_index.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Make the attr API take an index_state instead of assuming the_index in
attr code. All call sites are converted blindly to keep the patch
simple and retain current behavior. Individual call sites may receive
further updates to use the right index instead of the_index.
There is one ugly temporary workaround added in attr.c that needs some
more explanation.
Commit c24f3abace (apply: file commited with CRLF should roundtrip
diff and apply - 2017-08-19) forces one convert_to_git() call to NOT
read the index at all. But what do you know, we read it anyway by
falling back to the_index. When "istate" from convert_to_git is now
propagated down to read_attr_from_array() we will hit segfault
somewhere inside read_blob_data_from_index.
The right way of dealing with this is to kill "use_index" variable and
only follow "istate" but at this stage we are not ready for that:
while most git_attr_set_direction() calls just passes the_index to be
assigned to use_index, unpack-trees passes a different one which is
used by entry.c code, which has no way to know what index to use if we
delete use_index. So this has to be done later.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The codebase has been updated to compile cleanly with -pedantic
option.
* bb/pedantic:
utf8.c: avoid char overflow
string-list.c: avoid conversion from void * to function pointer
sequencer.c: avoid empty statements at top level
convert.c: replace "\e" escapes with "\033".
fixup! refs/refs-internal.h: avoid forward declaration of an enum
refs/refs-internal.h: avoid forward declaration of an enum
fixup! connect.h: avoid forward declaration of an enum
connect.h: avoid forward declaration of an enum
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The iconv interface takes a size_t, which is the appropriate
type for an in-memory buffer. But our reencode_string_*
functions use integers, meaning we may get confusing results
when the sizes exceed INT_MAX. Let's use size_t
consistently.
Signed-off-by: Jeff King <peff@peff.net>
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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Many messages will be marked for translation in the following
commits. This commit updates some of them to be more consistent and
reduce diff noise in those commits. Changes are
- keep the first letter of die(), error() and warning() in lowercase
- no full stop in die(), error() or warning() if it's single sentence
messages
- indentation
- some messages are turned to BUG(), or prefixed with "BUG:" and will
not be marked for i18n
- some messages are improved to give more information
- some messages are broken down by sentence to be i18n friendly
(on the same token, combine multiple warning() into one big string)
- the trailing \n is converted to printf_ln if possible, or deleted
if not redundant
- errno_errno() is used instead of explicit strerror()
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The conversion to pass "the_repository" and then "a_repository"
throughout the object access API continues.
* sb/object-store-grafts:
commit: allow lookup_commit_graft to handle arbitrary repositories
commit: allow prepare_commit_graft to handle arbitrary repositories
shallow: migrate shallow information into the object parser
path.c: migrate global git_path_* to take a repository argument
cache: convert get_graft_file to handle arbitrary repositories
commit: convert read_graft_file to handle arbitrary repositories
commit: convert register_commit_graft to handle arbitrary repositories
commit: convert commit_graft_pos() to handle arbitrary repositories
shallow: add repository argument to is_repository_shallow
shallow: add repository argument to check_shallow_file_for_update
shallow: add repository argument to register_shallow
shallow: add repository argument to set_alternate_shallow_file
commit: add repository argument to lookup_commit_graft
commit: add repository argument to prepare_commit_graft
commit: add repository argument to read_graft_file
commit: add repository argument to register_commit_graft
commit: add repository argument to commit_graft_pos
object: move grafts to object parser
object-store: move object access functions to object-store.h
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The "\e" escape is not defined in ISO C.
While on this line, add a missing space after the comma.
Signed-off-by: Beat Bolli <dev+git@drbeat.li>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This should make these functions easier to find and cache.h less
overwhelming to read.
In particular, this moves:
- read_object_file
- oid_object_info
- write_object_file
As a result, most of the codebase needs to #include object-store.h.
In this patch the #include is only added to files that would fail to
compile otherwise. It would be better to #include wherever
identifiers from the header are used. That can happen later
when we have better tooling for it.
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The new "checkout-encoding" attribute can ask Git to convert the
contents to the specified encoding when checking out to the working
tree (and the other way around when checking in).
* ls/checkout-encoding:
convert: add round trip check based on 'core.checkRoundtripEncoding'
convert: add tracing for 'working-tree-encoding' attribute
convert: check for detectable errors in UTF encodings
convert: add 'working-tree-encoding' attribute
utf8: add function to detect a missing UTF-16/32 BOM
utf8: add function to detect prohibited UTF-16/32 BOM
utf8: teach same_encoding() alternative UTF encoding names
strbuf: add a case insensitive starts_with()
strbuf: add xstrdup_toupper()
strbuf: remove unnecessary NUL assignment in xstrdup_tolower()
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UTF supports lossless conversion round tripping and conversions between
UTF and other encodings are mostly round trip safe as Unicode aims to be
a superset of all other character encodings. However, certain encodings
(e.g. SHIFT-JIS) are known to have round trip issues [1].
Add 'core.checkRoundtripEncoding', which contains a comma separated
list of encodings, to define for what encodings Git should check the
conversion round trip if they are used in the 'working-tree-encoding'
attribute.
Set SHIFT-JIS as default value for 'core.checkRoundtripEncoding'.
[1] https://support.microsoft.com/en-us/help/170559/prb-conversion-problem-between-shift-jis-and-unicode
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add the GIT_TRACE_WORKING_TREE_ENCODING environment variable to enable
tracing for content that is reencoded with the 'working-tree-encoding'
attribute. This is useful to debug encoding issues.
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Check that new content is valid with respect to the user defined
'working-tree-encoding' attribute.
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Git recognizes files encoded with ASCII or one of its supersets (e.g.
UTF-8 or ISO-8859-1) as text files. All other encodings are usually
interpreted as binary and consequently built-in Git text processing
tools (e.g. 'git diff') as well as most Git web front ends do not
visualize the content.
Add an attribute to tell Git what encoding the user has defined for a
given file. If the content is added to the index, then Git reencodes
the content to a canonical UTF-8 representation. On checkout Git will
reverse this operation.
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert convert.c to struct object_id. Add a use of the_hash_algo to
replace hard-coded constants and change a strbuf_add to a strbuf_addstr
to avoid another hard-coded constant.
Note that a strict conversion using the hexsz constant would cause
problems in the future if the internal and user-visible hash algorithms
differed, as anticipated by the hash function transition plan.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Conversion from uchar[20] to struct object_id continues.
* po/object-id:
sha1_file: rename hash_sha1_file_literally
sha1_file: convert write_loose_object to object_id
sha1_file: convert force_object_loose to object_id
sha1_file: convert write_sha1_file to object_id
notes: convert write_notes_tree to object_id
notes: convert combine_notes_* to object_id
commit: convert commit_tree* to object_id
match-trees: convert splice_tree to object_id
cache: clear whole hash buffer with oidclr
sha1_file: convert hash_sha1_file to object_id
dir: convert struct sha1_stat to use object_id
sha1_file: convert pretend_sha1_file to object_id
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Convert the declaration and definition of hash_sha1_file to use
struct object_id and adjust all function calls.
Rename this function to hash_object_file.
Signed-off-by: Patryk Obara <patryk.obara@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When calling convert_to_git(), the checksafe parameter defined what
should happen if the EOL conversion (CRLF --> LF --> CRLF) does not
roundtrip cleanly. In addition, it also defined if line endings should
be renormalized (CRLF --> LF) or kept as they are.
checksafe was an safe_crlf enum with these values:
SAFE_CRLF_FALSE: do nothing in case of EOL roundtrip errors
SAFE_CRLF_FAIL: die in case of EOL roundtrip errors
SAFE_CRLF_WARN: print a warning in case of EOL roundtrip errors
SAFE_CRLF_RENORMALIZE: change CRLF to LF
SAFE_CRLF_KEEP_CRLF: keep all line endings as they are
In some cases the integer value 0 was passed as checksafe parameter
instead of the correct enum value SAFE_CRLF_FALSE. That was no problem
because SAFE_CRLF_FALSE is defined as 0.
FALSE/FAIL/WARN are different from RENORMALIZE and KEEP_CRLF. Therefore,
an enum is not ideal. Let's use a integer bit pattern instead and rename
the parameter to conv_flags to make it more generically usable. This
allows us to extend the bit pattern in a subsequent commit.
Reported-By: Randall S. Becker <rsbecker@nexbridge.com>
Helped-By: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "safe crlf" check incorrectly triggered for contents that does
not use CRLF as line endings, which has been corrected.
* tb/check-crlf-for-safe-crlf:
t0027: Adapt the new MIX tests to Windows
convert: tighten the safe autocrlf handling
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When a text file had been commited with CRLF and the file is commited
again, the CRLF are kept if .gitattributs has "text=auto".
This is done by analyzing the content of the blob stored in the index:
If a '\r' is found, Git assumes that the blob was commited with CRLF.
The simple search for a '\r' does not always work as expected:
A file is encoded in UTF-16 with CRLF and commited. Git treats it as binary.
Now the content is converted into UTF-8. At the next commit Git treats the
file as text, the CRLF should be converted into LF, but isn't.
Replace has_cr_in_index() with has_crlf_in_index(). When no '\r' is found,
0 is returned directly, this is the most common case.
If a '\r' is found, the content is analyzed more deeply.
Reported-By: Ashish Negi <ashishnegi33@gmail.com>
Signed-off-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Assorted bugfixes and clean-ups.
* ma/ts-cleanups:
ThreadSanitizer: add suppressions
strbuf_setlen: don't write to strbuf_slopbuf
pack-objects: take lock before accessing `remaining`
convert: always initialize attr_action in convert_attrs
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Gcc 7 adds -Wimplicit-fallthrough, which can warn when a
switch case falls through to the next case. The general idea
is that the compiler can't tell if this was intentional or
not, so you should annotate any intentional fall-throughs as
such, leaving it to complain about any unannotated ones.
There's a GNU __attribute__ which can be used for
annotation, but of course we'd have to #ifdef it away on
non-gcc compilers. Gcc will also recognize
specially-formatted comments, which matches our current
practice. Let's extend that practice to all of the
unannotated sites (which I did look over and verify that
they were behaving as intended).
Ideally in each case we'd actually give some reasons in the
comment about why we're falling through, or what we're
falling through to. And gcc does support that with
-Wimplicit-fallthrough=2, which relaxes the comment pattern
matching to anything that contains "fallthrough" (or a
variety of spelling variants). However, this isn't the
default for -Wimplicit-fallthrough, nor for -Wextra. In the
name of simplicity, it's probably better for us to support
the default level, which requires "fallthrough" to be the
only thing in the comment (modulo some window dressing like
"else" and some punctuation; see the gcc manual for the
complete set of patterns).
This patch suppresses all warnings due to
-Wimplicit-fallthrough. We might eventually want to add that
to the DEVELOPER Makefile knob, but we should probably wait
until gcc 7 is more widely adopted (since earlier versions
will complain about the unknown warning type).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Many leaks of strbuf have been fixed.
* rs/strbuf-leakfix: (34 commits)
wt-status: release strbuf after use in wt_longstatus_print_tracking()
wt-status: release strbuf after use in read_rebase_todolist()
vcs-svn: release strbuf after use in end_revision()
utf8: release strbuf on error return in strbuf_utf8_replace()
userdiff: release strbuf after use in userdiff_get_textconv()
transport-helper: release strbuf after use in process_connect_service()
sequencer: release strbuf after use in save_head()
shortlog: release strbuf after use in insert_one_record()
sha1_file: release strbuf on error return in index_path()
send-pack: release strbuf on error return in send_pack()
remote: release strbuf after use in set_url()
remote: release strbuf after use in migrate_file()
remote: release strbuf after use in read_remote_branches()
refs: release strbuf on error return in write_pseudoref()
notes: release strbuf after use in notes_copy_from_stdin()
merge: release strbuf after use in write_merge_heads()
merge: release strbuf after use in save_state()
mailinfo: release strbuf on error return in handle_boundary()
mailinfo: release strbuf after use in handle_from()
help: release strbuf on error return in exec_woman_emacs()
...
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Assorted bugfixes and clean-ups.
* ma/ts-cleanups:
ThreadSanitizer: add suppressions
strbuf_setlen: don't write to strbuf_slopbuf
pack-objects: take lock before accessing `remaining`
convert: always initialize attr_action in convert_attrs
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"git apply" that is used as a better "patch -p1" failed to apply a
taken from a file with CRLF line endings to a file with CRLF line
endings. The root cause was because it misused convert_to_git()
that tried to do "safe-crlf" processing by looking at the index
entry at the same path, which is a nonsense---in that mode, "apply"
is not working on the data in (or derived from) the index at all.
This has been fixed.
* tb/apply-with-crlf:
apply: file commited with CRLF should roundtrip diff and apply
convert: add SAFE_CRLF_KEEP_CRLF
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Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git apply" that is used as a better "patch -p1" failed to apply a
taken from a file with CRLF line endings to a file with CRLF line
endings. The root cause was because it misused convert_to_git()
that tried to do "safe-crlf" processing by looking at the index
entry at the same path, which is a nonsense---in that mode, "apply"
is not working on the data in (or derived from) the index at all.
This has been fixed.
* tb/apply-with-crlf:
apply: file commited with CRLF should roundtrip diff and apply
convert: add SAFE_CRLF_KEEP_CRLF
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convert_attrs contains an "if-else". In the "if", we set attr_action
twice, and the first assignment has no effect. In the "else", we do not
set it at all. Since git_check_attr always returns the same value, we'll
always end up in the "if", so there is no problem right now. But
convert_attrs is obviously trying not to rely on such an
implementation-detail of another component.
Make the initialization of attr_action after the if-else. Remove the
earlier assignments.
Suggested-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When convert_to_git() is called, the caller may want to keep CRLF to
be kept as CRLF (and not converted into LF).
This will be used in the next commit, when apply works with files
that have CRLF and patches are applied onto these files.
Add the new value "SAFE_CRLF_KEEP_CRLF" to safe_crlf.
Prepare convert_to_git() to be able to run the clean filter, skip
the CRLF conversion and run the ident filter.
Signed-off-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code cleanup.
* jt/subprocess-handshake:
sub-process: refactor handshake to common function
Documentation: migrate sub-process docs to header
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