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Move environment array reallocation from do_putenv to the respective
callers. Keep track of the environment size in a global variable. Use
ALLOC_GROW in mingw_putenv to reduce reallocations. Allocate a
sufficiently sized environment array in make_environment_block to prevent
reallocations.
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When spawning child processes via start_command(), the environment and all
environment entries are copied twice. First by make_augmented_environ /
copy_environ to merge with child_process.env. Then a second time by
make_environment_block to create a sorted environment block string as
required by CreateProcess.
Move the merge logic to make_environment_block so that we only need to copy
the environment once. This changes semantics of the env parameter: it now
expects a delta (such as child_process.env) rather than a full environment.
This is not a problem as the parameter is only used by start_command()
(all other callers previously passed char **environ, and now pass NULL).
The merge logic no longer xstrdup()s the environment strings, so do_putenv
must not free them. Add a parameter to distinguish this from normal putenv.
Remove the now unused make_augmented_environ / free_environ API.
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Environment helper functions use random naming ('env' prefix or suffix or
both, with or without '_'). Change to POSIX naming scheme ('env' suffix,
no '_').
Env_setenv has more in common with putenv than setenv. Change to do_putenv.
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The environment on Windows is case-insensitive. Some environment functions
(such as unsetenv and make_augmented_environ) have always used case-
sensitive comparisons instead, while others (getenv, putenv, sorting in
spawn*) were case-insensitive.
Prevent potential inconsistencies by using case-insensitive comparison in
lookup_env (used by putenv, unsetenv and make_augmented_environ).
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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All functions that modify the environment have memory leaks.
Disable gitunsetenv in the Makefile and use env_setenv (via mingw_putenv)
instead (this frees removed environment entries).
Move xstrdup from env_setenv to make_augmented_environ, so that
mingw_putenv no longer copies the environment entries (according to POSIX
[1], "the string [...] shall become part of the environment"). This also
fixes the memory leak in gitsetenv, which expects a POSIX compliant putenv.
[1] http://pubs.opengroup.org/onlinepubs/009695399/functions/putenv.html
Note: This patch depends on taking control of char **environ and having
our own mingw_putenv (both introduced in "Win32: Unicode environment
(incoming)").
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert environment from UTF-16 to UTF-8 on startup.
No changes to getenv() are necessary, as the MSVCRT version is implemented
on top of char **environ.
However, putenv / _wputenv from MSVCRT no longer work, for two reasons:
1. they try to keep environ, _wenviron and the Win32 process environment
in sync, using the default system encoding instead of UTF-8 to convert
between charsets
2. msysgit and MSVCRT use different allocators, memory allocated in git
cannot be freed by the CRT and vice versa
Implement mingw_putenv using the env_setenv helper function from the
environment merge code.
Note that in case of memory allocation failure, putenv now dies with error
message (due to xrealloc) instead of failing with ENOMEM. As git assumes
setenv / putenv to always succeed, this prevents it from continuing with
incorrect settings.
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert environment from UTF-8 to UTF-16 when creating other processes.
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This reverts commit df599e9612788b728ce43a03159b85f1fe624d6a.
As of 5e9637c6 "i18n: add infrastructure for translating Git with gettext",
eval_gettext uses MinGW envsubst.exe instead of git-sh-i18n--envsubst.exe
for variable substitution. This breaks git-submodule.sh messages and tests,
as envsubst.exe doesn't support case-sensitive environment lookup (the same
is true for almost everything on Windows, including MSys and Cygwin tools).
30a615ac "Windows/i18n: rename $path to prevent clashes with $PATH" renames
the conflicting variable in git-submodule.sh, so that it works on Windows
(i.e. with case-insensitive environment, regardless of the toolset).
Revert to the documented behaviour of case-insensitive environment on
Windows.
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git commit -m with some iso8859-1 encoded stuff is doomed to fail in MinGW,
because Windows don't let you pass encoded bytes to a process (CreateProcessW
always takes a UTF-16LE encoded string).
It is safe to pass the iso8859-1 message using a file or a pipe.
Thanks-to: Karsten Blees <blees@dcon.de>
Author: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Changes opendir/readdir to use Windows Unicode APIs and convert between
UTF-8/UTF-16.
Removes parameter checks that are already covered by xutftowcs_path. This
changes detection of ENAMETOOLONG from MAX_PATH - 2 to MAX_PATH (matching
is_dir_empty in mingw.c). If name + "/*" or the resulting absolute path is
too long, FindFirstFile fails and errno is set through err_win_to_posix.
Increases the size of dirent.d_name to accommodate the full
WIN32_FIND_DATA.cFileName converted to UTF-8 (UTF-16 to UTF-8 conversion
may grow by factor three in the worst case).
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Replaces Windows "ANSI" APIs dealing with file- or path names with their
Unicode equivalent, adding UTF-8/UTF-16LE conversion as necessary.
The dirent API (opendir/readdir/closedir) is updated in a separate commit.
Adds trivial wrappers for access, chmod and chdir.
Adds wrapper for mktemp (needed for both mkstemp and mkdtemp).
The simplest way to convert a repository with legacy-encoded (e.g. Cp1252)
file names to UTF-8 ist to checkout with an old msysgit version and
"git add --all & git commit" with the new version.
Includes a fix for bug reported by John Chen:
On Windows XP (not Win7), directories cannot be deleted while a find handle
is open, causing "Deletion of directory '...' failed. Should I try again?"
prompts.
Prior to this commit, these failures were silently ignored due to
strbuf_free in is_dir_empty resetting GetLastError to ERROR_SUCCESS.
Close the find handle in is_dir_empty so that git doesn't block deletion
of the directory even after all other applications have released it.
Reported-by: John Chen <john0312@gmail.com>
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Stepan Kasal <kasal@ucw.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
Start preparing for 2.0.2
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fixes to a topic that is already in 'master'.
* dt/refs-check-refname-component-sse-fix:
refs: fix valgrind suppression file
refs.c: handle REFNAME_REFSPEC_PATTERN at end of page
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* rs/simplify-archive-tests:
t5000, t5003: simplify commit
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* rs/fix-alt-odb-path-comparison:
sha1_file: avoid overrunning alternate object base string
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* rs/status-code-clean-up:
wt-status: simplify building of summary limit argument
wt-status: use argv_array for environment
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* kb/path-max-must-go:
symlinks: remove PATH_MAX limitation
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Add 'verify-commit' to be used in a way similar to 'verify-tag' is
used. Further work on verifying the mergetags might be needed.
* mg/verify-commit:
t7510: test verify-commit
t7510: exit for loop with test result
verify-commit: scriptable commit signature verification
gpg-interface: provide access to the payload
gpg-interface: provide clear helper for struct signature_check
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"git clone -b brefs/tags/bar" would have mistakenly thought we were
following a single tag, even though it was a name of the branch,
because it incorrectly used strstr().
* jc/fix-clone-single-starting-at-a-tag:
builtin/clone.c: detect a clone starting at a tag correctly
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* pb/trim-trailing-spaces:
t0008: do not depend on 'echo' handling backslashes specially
dir.c:trim_trailing_spaces(): fix for " \ " sequence
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* jk/repack-pack-keep-objects:
repack: s/write_bitmap/&s/ in code
repack: respect pack.writebitmaps
repack: do not accidentally pack kept objects by default
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* mc/doc-submodule-sync-recurse:
submodule: document "sync --recursive"
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* sk/mingw-unicode-spawn-args:
Win32: Unicode arguments (incoming)
Win32: Unicode arguments (outgoing)
MinGW: disable CRT command line globbing
Win32: fix potential multi-threading issue
Win32: simplify internal mingw_spawn* APIs
Win32: let mingw_execve() return an int
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* sk/mingw-dirent:
Win32 dirent: improve dirent implementation
Win32 dirent: clarify #include directives
Win32 dirent: change FILENAME_MAX to MAX_PATH
Win32 dirent: remove unused dirent.d_reclen member
Win32 dirent: remove unused dirent.d_ino member
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* sk/mingw-uni-console:
Win32: reliably detect console pipe handles
Win32: fix broken pipe detection
Win32: Thread-safe windows console output
Win32: add Unicode conversion functions
Win32: warn if the console font doesn't support Unicode
Win32: detect console streams more reliably
Win32: support Unicode console output
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* sk/mingw-main:
mingw: avoid const warning
Win32: move main macro to a function
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* jk/pretty-G-format-fixes:
move "%G" format test from t7510 to t6006
pretty: avoid reading past end-of-string with "%G"
t7510: check %G* pretty-format output
t7510: test a commit signed by an unknown key
t7510: use consistent &&-chains in loop
t7510: stop referring to master in later tests
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* jk/xstrfmt:
setup_git_env(): introduce git_path_from_env() helper
unique_path: fix unlikely heap overflow
walker_fetch: fix minor memory leak
merge: use argv_array when spawning merge strategy
sequencer: use argv_array_pushf
setup_git_env: use git_pathdup instead of xmalloc + sprintf
use xstrfmt to replace xmalloc + strcpy/strcat
use xstrfmt to replace xmalloc + sprintf
use xstrdup instead of xmalloc + strcpy
use xstrfmt in favor of manual size calculations
strbuf: add xstrfmt helper
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* jk/skip-prefix:
http-push: refactor parsing of remote object names
imap-send: use skip_prefix instead of using magic numbers
use skip_prefix to avoid repeated calculations
git: avoid magic number with skip_prefix
fetch-pack: refactor parsing in get_ack
fast-import: refactor parsing of spaces
stat_opt: check extra strlen call
daemon: use skip_prefix to avoid magic numbers
fast-import: use skip_prefix for parsing input
use skip_prefix to avoid repeating strings
use skip_prefix to avoid magic numbers
transport-helper: avoid reading past end-of-string
fast-import: fix read of uninitialized argv memory
apply: use skip_prefix instead of raw addition
refactor skip_prefix to return a boolean
avoid using skip_prefix as a boolean
daemon: mark some strings as const
parse_diff_color_slot: drop ofs parameter
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Add all of the ways in which check_refname_format violates valgrind's
expectations to the valgrind suppression file; remove an assumption about
the call chain of check_refname_format from same.
Signed-off-by: David Turner <dturner@twitter.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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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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Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add the whole directory of test files at once using git add instead of
calling git update-index on each of them and use git commit instead of
the plumbing commands write-tree, update-ref and commit-tree to build
the commit. This simplifies the code considerably.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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'git checkout' fails if a directory is longer than PATH_MAX, because the
lstat_cache in symlinks.c checks if the leading directory exists using
PATH_MAX-bounded string operations.
Remove the limitation by using strbuf instead.
Signed-off-by: Karsten Blees <blees@dcon.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a ref crosses a memory page boundary, we restart the parsing
at the beginning with the bytewise code. Pass the original flags
to that code, rather than the current flags.
Reported-By: Øyvind A. Holm <sunny@sunbase.org>
Signed-off-by: David Turner <dturner@twitter.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Further micro-optimization of a leaf-function.
* dt/refs-check-refname-component-sse:
refs.c: SSE2 optimizations for check_refname_component
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* ye/http-extract-charset:
http: fix charset detection of extract_content_type()
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"git rebase --skip" did not work well when it stopped due to a
conflict twice in a row.
* bc/fix-rebase-merge-skip:
rebase--merge: fix --skip with two conflicts in a row
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Move "commit->buffer" out of the in-core commit object and keep
track of their lengths. Use this to optimize the code paths to
validate GPG signatures in commit objects.
* jk/commit-buffer-length:
reuse cached commit buffer when parsing signatures
commit: record buffer length in cache
commit: convert commit->buffer to a slab
commit-slab: provide a static initializer
use get_commit_buffer everywhere
convert logmsg_reencode to get_commit_buffer
use get_commit_buffer to avoid duplicate code
use get_cached_commit_buffer where appropriate
provide helpers to access the commit buffer
provide a helper to set the commit buffer
provide a helper to free commit buffer
sequencer: use logmsg_reencode in get_message
logmsg_reencode: return const buffer
do not create "struct commit" with xcalloc
commit: push commit_index update into alloc_commit_node
alloc: include any-object allocations in alloc_report
replace dangerous uses of strbuf_attach
commit_tree: take a pointer/len pair rather than a const strbuf
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Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint:
t7300: repair filesystem permissions with test_when_finished
enums: remove trailing ',' after last item in enum
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* maint-1.8.5:
t7300: repair filesystem permissions with test_when_finished
enums: remove trailing ',' after last item in enum
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We create a directory that cannot be removed, confirm that
it cannot be removed, and then fix it like:
chmod 0 foo &&
test_must_fail git clean -d -f &&
chmod 755 foo
If the middle step fails but leaves the directory (e.g., the
bug is that clean does not notice the failure), this
pollutes the test repo with an unremovable directory. Not
only does this cause further tests to fail, but it means
that "rm -rf" fails on the whole trash directory, and the
user has to intervene manually to even re-run the test script.
We can bump the "chmod 755" recovery to a test_when_finished
block to be sure that it always runs.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While checking if a new alternate object database is a duplicate make
sure that old and new base paths have the same length before comparing
them with memcmp. This avoids overrunning the buffer of the existing
entry if the new one is longer and it stops rejecting foobar/ after
foo/ was already added.
Signed-off-by: Rene Scharfe <ls.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use argv_array_pushf for building the number string for the option
--summary-limit directly instead of using an intermediate buffer.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Karsten Blees
Pat Thoyts
Junio C Hamano
David Turner
René Scharfe
Karsten Blees
Ronnie Sahlberg
Jeff King