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It's easy to get manual allocation calculations wrong, and
the use of strcpy/strcat raise red flags for people looking
for buffer overflows (though in this case each site was
fine).
It's also shorter to use xstrfmt, and the printf-format
tends to be easier for a reader to see what the final string
will look like.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is one line shorter, and makes sure the length in the
malloc and sprintf steps match.
These conversions are very straightforward; we can drop the
malloc entirely, and replace the sprintf with xstrfmt.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This is one line shorter, and makes sure the length in the
malloc and copy steps match.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In many parts of the code, we do an ugly and error-prone
malloc like:
const char *fmt = "something %s";
buf = xmalloc(strlen(foo) + 10 + 1);
sprintf(buf, fmt, foo);
This makes the code brittle, and if we ever get the
allocation wrong, is a potential heap overflow. Let's
instead favor xstrfmt, which handles the allocation
automatically, and makes the code shorter and more readable.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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You can use a strbuf to build up a string from parts, and
then detach it. In the general case, you might use multiple
strbuf_add* functions to do the building. However, in many
cases, a single strbuf_addf is sufficient, and we end up
with:
struct strbuf buf = STRBUF_INIT;
...
strbuf_addf(&buf, fmt, some, args);
str = strbuf_detach(&buf, NULL);
We can make this much more readable (and avoid introducing
an extra variable, which can clutter the code) by
introducing a convenience function:
str = xstrfmt(fmt, some, args);
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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Allow specifying only certain individual test pieces to be run
using a range notation (e.g. "t1234-test.sh --run='1-4 6 8 9-'").
* ib/test-selectively-run:
t0000-*.sh: fix the GIT_SKIP_TESTS sub-tests
test-lib: '--run' to run only specific tests
test-lib: tests skipped by GIT_SKIP_TESTS say so
test-lib: document short options in t/README
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* ta/string-list-init:
string-list: spell all values out that are given to a string_list initializer
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* jm/dedup-test-config:
t/t7810-grep.sh: remove duplicate test_config()
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* dt/refs-check-refname-component-optim:
refs.c: optimize check_refname_component()
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* sk/test-cmp-bin:
t5000, t5003: do not use test_cmp to compare binary files
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* sh/enable-preloadindex:
environment.c: enable core.preloadindex by default
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* rs/read-ref-at:
refs.c: change read_ref_at to use the reflog iterators
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* jk/error-resolve-conflict-advice:
error_resolve_conflict: drop quotations around operation
error_resolve_conflict: rewrap advice message
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Avoid unnecessary copy of previous contents when extending the
hashtable used in pack-objects.
* rs/pack-objects-no-unnecessary-realloc:
pack-objects: use free()+xcalloc() instead of xrealloc()+memset()
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* lt/log-auto-decorate:
git log: support "auto" decorations
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* jm/doc-wording-tweaks:
Documentation: wording fixes in the user manual and glossary
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* jm/format-patch-mail-sig:
format-patch: add "--signature-file=<file>" option
format-patch: make newline after signature conditional
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Propagate the error messages from the webserver better to the
client coming over the HTTP transport.
* jk/http-errors:
http: default text charset to iso-8859-1
remote-curl: reencode http error messages
strbuf: add strbuf_reencode helper
http: optionally extract charset parameter from content-type
http: extract type/subtype portion of content-type
t5550: test display of remote http error messages
t/lib-httpd: use write_script to copy CGI scripts
test-lib: preserve GIT_CURL_VERBOSE from the environment
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mailmap.file configuration names a pathname, hence should honor
~/path and ~user/path as its value.
* ow/config-mailmap-pathname:
config: respect '~' and '~user' in mailmap.file
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Allow remote-helper/fast-import based transport to rename the refs
while transferring the history.
* fc/remote-helper-refmap:
transport-helper: remove unnecessary strbuf resets
transport-helper: add support to delete branches
fast-export: add support to delete refs
fast-import: add support to delete refs
transport-helper: add support to push symbolic refs
transport-helper: add support for old:new refspec
fast-export: add new --refspec option
fast-export: improve argument parsing
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"git gc --auto" was recently changed to run in the background to
give control back early to the end-user sitting in front of the
terminal, but it forgot that housekeeping involving reflogs should
be done without other processes competing for accesses to the refs.
* nd/daemonize-gc:
gc --auto: do not lock refs in the background
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* jm/t9138-style-fix:
t9138-git-svn-authors-prog.sh fixups
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* jm/instaweb-apache-24:
git-instaweb: add support for Apache 2.4
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"git remote rm" and "git remote prune" can involve removing many
refs at once, which is not a very efficient thing to do when very
many refs exist in the packed-refs file.
* jl/remote-rm-prune:
remote prune: optimize "dangling symref" check/warning
remote: repack packed-refs once when deleting multiple refs
remote rm: delete remote configuration as the last
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The completion code did not know about quite a few options that are
common between "git merge" and "git pull", and a couple of options
unique to "git merge".
* jk/complete-merge-pull:
completion: add missing options for git-merge
completion: add a note that merge options are shared
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Like calloc(3), xcalloc() takes nmemb and then size.
* bg/xcalloc-nmemb-then-size:
transport-helper.c: rearrange xcalloc arguments
remote.c: rearrange xcalloc arguments
reflog-walk.c: rearrange xcalloc arguments
pack-revindex.c: rearrange xcalloc arguments
notes.c: rearrange xcalloc arguments
imap-send.c: rearrange xcalloc arguments
http-push.c: rearrange xcalloc arguments
diff.c: rearrange xcalloc arguments
config.c: rearrange xcalloc arguments
commit.c: rearrange xcalloc arguments
builtin/remote.c: rearrange xcalloc arguments
builtin/ls-remote.c: rearrange xcalloc arguments
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submodule.*.ignore and diff.ignoresubmodules are used to ignore all
submodule changes in "diff" output, but it can be confusing to
apply these configuration values to status and commit.
This is a backward-incompatible change, but should be so in a good
way (aka bugfix).
* jl/status-added-submodule-is-never-ignored:
commit -m: commit staged submodules regardless of ignore config
status/commit: show staged submodules regardless of ignore config
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Compatibility enhancement for Solaris.
* cb/byte-order:
compat/bswap.h: fix endianness detection
compat/bswap.h: restore preference __BIG_ENDIAN over BIG_ENDIAN
compat/bswap.h: detect endianness on more platforms that don't use BYTE_ORDER
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* jk/strbuf-tolower:
strbuf: add strbuf_tolower function
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* jk/daemon-tolower:
daemon/config: factor out duplicate xstrdup_tolower
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* as/pretty-truncate:
pretty.c: format string with truncate respects logOutputEncoding
t4205, t6006: add tests that fail with i18n.logOutputEncoding set
t4205 (log-pretty-format): use `tformat` rather than `format`
t4041, t4205, t6006, t7102: don't hardcode tested encoding value
t4205 (log-pretty-formats): don't hardcode SHA-1 in expected outputs
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* jk/diff-follow-must-take-one-pathspec:
move "--follow needs one pathspec" rule to diff_setup_done
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* sk/windows-unc-path:
Windows: allow using UNC path for git repository
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* rr/rebase-autostash-fix:
rebase -i: test "Nothing to do" case with autostash
rebase -i: handle "Nothing to do" case with autostash
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* jk/report-fail-to-read-objects-better:
open_sha1_file: report "most interesting" errno
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* jk/diff-files-assume-unchanged:
run_diff_files: do not look at uninitialized stat data
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* jk/argv-array-for-child-process:
argv-array: drop "detach" code
get_importer: use run-command's internal argv_array
get_exporter: use argv_array
get_helper: use run-command's internal argv_array
git_connect: use argv_array
run_column_filter: use argv_array
run-command: store an optional argv_array
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* sk/wincred:
wincred: avoid overwriting configured variables
wincred: add install target
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* jk/do-not-run-httpd-tests-as-root:
t/lib-httpd: require SANITY prereq
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"git replace" learns a new "--edit" option.
* cc/replace-edit:
Documentation: replace: describe new --edit option
replace: add --edit to usage string
replace: add tests for --edit
replace: die early if replace ref already exists
replace: refactor checking ref validity
replace: make sure --edit results in a different object
replace: add --edit option
replace: factor object resolution out of replace_object
replace: use OPT_CMDMODE to handle modes
replace: refactor command-mode determination
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* 'mt/patch-id-stable' (early part):
patch-id-test: test stable and unstable behaviour
patch-id: make it stable against hunk reordering
test doc: test_write_lines does not split its arguments
test: add test_write_lines helper
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* maint:
pull: do not abuse 'break' inside a shell 'case'
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* jc/rev-parse-argh-dashed-multi-words:
update-index: fix segfault with missing --cacheinfo argument
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It is not C. The code would break under mksh when 'pull.ff' is set:
$ git pull
/usr/lib/git-core/git-pull[67]: break: can't break
Already up-to-date.
Signed-off-by: Jacek Konieczny <jajcus@jajcus.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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[efl: moved MinGW-specific part to compat/]
[jes: fixed compilation on non-Windows]
Eric Sunshine fixed mingw_offset_1st_component() to return
consistently "foo" for UNC "//machine/share/foo", cf
http://groups.google.com/group/msysgit/browse_thread/thread/c0af578549b5dda0
Author: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Cezary Zawadka <czawadka@gmail.com>
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Verify that patch ID supports an algorithm
that is stable against diff split and reordering.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Patch id changes if users reorder file diffs that make up a patch.
As the result is functionally equivalent, a different patch id is
surprising to many users.
In particular, reordering files using diff -O is helpful to make patches
more readable (e.g. API header diff before implementation diff).
Add an option to change patch-id behaviour making it stable against
these kinds of patch change:
calculate SHA1 hash for each hunk separately and sum all hashes
(using a symmetrical sum) to get patch id
We use a 20byte sum and not xor - since xor would give 0 output
for patches that have two identical diffs, which isn't all that
unlikely (e.g. append the same line in two places).
The new behaviour is enabled
- when patchid.stable is true
- when --stable flag is present
Using a new flag --unstable or setting patchid.stable to false force
the historical behaviour.
In the documentation, clarify that patch ID can now be a sum of hashes,
not a hash.
Document how command line and config options affect the
behaviour.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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test_write_lines carefully quotes its arguments as "$@", so
test_write_lines "a b" c
writes two lines as requested, not three.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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API and implementation as suggested by Junio.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Jeff King
Junio C Hamano
Jacek Konieczny
Cezary Zawadka
Michael S. Tsirkin
Jonathan Nieder