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Rebase shears/seen (#22469229528)#11
gitforwindowshelper[bot] wants to merge 274 commits intobase/shears/seen-22469229528from
shears/seen-22469229528

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Rebase Summary: seen

From: 3bcd28b9be (Merge 'readme' into HEAD, 2018-06-07) (804c861313..3bcd28b9be)
To: d774a2413e (Merge 'readme' into HEAD, 2018-06-07) (3ddc474125..d774a2413e)

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Range-diff (click to expand)
  1:  8f8803b039 =   1:  85b689b6a4 unix-socket: avoid leak when initialization fails
  2:  190a7a927d =   2:  7d6c6abdd3 grep: prevent `^$` false match at end of file
  3:  a503212f0b =   3:  ac7491993d vcpkg_install: detect lack of Git
  4:  ef6d8709fb =   4:  27ea976e67 vcpkg_install: add comment regarding slow network connections
  5:  1b6ae0bccd =   5:  97611e8624 vcbuild: install ARM64 dependencies when building ARM64 binaries
  6:  ccd5d29fda =   6:  72e0f9dfbc vcbuild: add an option to install individual 'features'
  7:  3a16b1f44a =   7:  9823d87ae0 cmake: allow building for Windows/ARM64
  8:  295d6c00be =   8:  68a69d2862 mingw: include the Python parts in the build
  9:  3e42c91d93 =   9:  95fc1aa6d0 ci(vs-build) also build Windows/ARM64 artifacts
 10:  dedf0a1a31 =  10:  98f23ff381 win32/pthread: avoid name clashes with winpthread
 11:  3ef0bc445c =  11:  359f403978 Add schannel to curl installation
 12:  8534ad1dab =  12:  a92c079bec git-compat-util: avoid redeclaring _DEFAULT_SOURCE
 14:  8f7bb399be =  13:  49c97deae3 cmake(): allow setting HOST_CPU for cross-compilation
 15:  cd96d8df27 =  14:  b617a2dbe7 Import the source code of mimalloc v2.2.7
 17:  dcc3d0f46e =  15:  7cfb7d4a46 t9350: point out that refs are not updated correctly
 18:  34e8e20eaf =  16:  6c0de205d7 CMake: default Visual Studio generator has changed
 19:  d7b202b723 =  17:  9e0ecb02ca mimalloc: adjust for building inside Git
 21:  1cc5ce32b5 =  18:  4584b03967 transport-helper: add trailing --
 22:  2422d8677f =  19:  7fde4c9494 mingw: demonstrate a `git add` issue with NTFS junctions
 23:  1526e7dec0 =  20:  c64af43e74 .gitignore: add Visual Studio CMakeSetting.json file
 24:  675a3ed4b2 =  21:  7a7d75a671 mimalloc: offer a build-time option to enable it
 25:  70543a90ad =  22:  74f8e0db59 t5505/t5516: allow running without `.git/branches/` in the templates
 13:  3a6d25486c =  23:  3a77e82d92 hash-object: demonstrate a >4GB/LLP64 problem
 27:  5215d00a83 =  24:  491e402979 remote-helper: check helper status after import/export
 28:  389f10fbd6 =  25:  b4b4307a52 clean: do not traverse mount points
 29:  863b14653a =  26:  88cdd50c11 strbuf_realpath(): use platform-dependent API if available
 30:  fe1940dd57 =  27:  27c887c1c8 http: use new "best effort" strategy for Secure Channel revoke checking
 31:  4d52a173f3 =  28:  d889fd72b1 subtree: update `contrib/subtree` `test` target
 32:  172d02724a =  29:  168ff831a2 CMakeLists: add default "x64-windows" arch for Visual Studio
 33:  d4a6a86c48 =  30:  8ad49ba19d mingw: use mimalloc
 34:  0ae2fdd1b3 =  31:  9d1f416816 t5505/t5516: fix white-space around redirectors
 16:  fdcb271432 =  32:  f5b35777b0 object-file.c: use size_t for header lengths
 36:  2898cd2a21 =  33:  f5640b1f0e Always auto-gc after calling a fast-import transport
 37:  b03d2dfbe1 =  34:  3c2e3cf733 mingw: prevent regressions with "drive-less" absolute paths
 38:  f247285fda =  35:  8f41b74561 clean: remove mount points when possible
 39:  54a49ab0fa =  36:  8a85a8746c transport: optionally disable side-band-64k
 40:  7ceac28a0b =  37:  12b0f46eaa mingw: fix fatal error working on mapped network drives on Windows
 41:  a1c24ce92e =  38:  ea256d20d0 clink.pl: fix MSVC compile script to handle libcurl-d.lib
 42:  7306aa5ea0 =  39:  454789ad24 mingw: implement a platform-specific `strbuf_realpath()`
 43:  bc7a8b52da =  40:  d7866c47c9 t3701: verify that we can add *lots* of files interactively
 44:  b216842040 =  41:  02e10109a3 commit: accept "scissors" with CR/LF line endings
 45:  ff561ea02d =  42:  78cc57ee8a t0014: fix indentation
 46:  596d4f1578 =  43:  13fa0a691e git-gui: accommodate for intent-to-add files
 47:  1c68a619bc =  44:  13f4946f37 mingw: allow for longer paths in `parse_interpreter()`
 48:  eb6f646035 =  45:  b5ec00b562 compat/vcbuild: document preferred way to build in Visual Studio
 49:  fd39d2cad0 =  46:  c43a16def5 http: optionally send SSL client certificate
 50:  13f79ef268 =  47:  e9b1f83d11 ci: run `contrib/subtree` tests in CI builds
 51:  fd50fcbb82 =  48:  61d3e4612a CMake: show Win32 and Generator_platform build-option values
 52:  e0a68b5ddc =  49:  606a2faad6 windows: skip linking `git-<command>` for built-ins
 53:  f37f852138 =  50:  e225c3fb68 mingw: stop hard-coding `CC = gcc`
 54:  605f0aa42b =  51:  1e64c436d5 mingw: drop the -D_USE_32BIT_TIME_T option
 55:  29a6894ae4 =  52:  6d5d7fd63d mingw: only use -Wl,--large-address-aware for 32-bit builds
 56:  9368ca7bb3 =  53:  27ab46ecce mingw: avoid over-specifying `--pic-executable`
 57:  0138ba3143 =  54:  dba3e5672e mingw: set the prefix and HOST_CPU as per MSYS2's settings
 58:  5f769a439a =  55:  3f2149b8f5 mingw: only enable the MSYS2-specific stuff when compiling in MSYS2
 59:  8602677d87 =  56:  17598ca74a mingw: rely on MSYS2's metadata instead of hard-coding it
 60:  ffd251521e =  57:  606ec8483f mingw: always define `ETC_*` for MSYS2 environments
 61:  8e0a6a934f =  58:  c98d89fa67 max_tree_depth: lower it for clang builds in general on Windows
 62:  bf4b04f517 =  59:  da2275dafb mingw: ensure valid CTYPE
 63:  49ba0ee509 =  60:  f4ad5bc4c8 mingw: allow `git.exe` to be used instead of the "Git wrapper"
 64:  1f19f732c5 =  61:  85b5d3efeb mingw: ignore HOMEDRIVE/HOMEPATH if it points to Windows' system directory
 65:  e5ccdf6a51 =  62:  757085e7dc clink.pl: fix libexpatd.lib link error when using MSVC
 66:  cf876cb4b2 =  63:  0e0286e9cc Makefile: clean up .ilk files when MSVC=1
 67:  09507f90e6 =  64:  9c38121fae vcbuild: add support for compiling Windows resource files
 68:  64fbd93723 =  65:  1bb16c16f4 config.mak.uname: add git.rc to MSVC builds
 69:  f4501ca716 =  66:  9c1ecba933 MinGW: link as terminal server aware
 20:  b14c9e1da7 =  67:  96b34d1940 hash algorithms: use size_t for section lengths
 70:  3aae8b68fc =  68:  a76809239b clink.pl: ignore no-stack-protector arg on MSVC=1 builds
 71:  73b6aca392 =  69:  acdc2b0549 http: optionally load libcurl lazily
 26:  6bbf61cd99 =  70:  34b4c9c225 hash-object --stdin: verify that it works with >4GB/LLP64
 73:  0800f8be60 =  71:  b3706f17d4 clink.pl: move default linker options for MSVC=1 builds
 74:  64847dfc78 =  72:  1cb3498788 http: support lazy-loading libcurl also on Windows
 72:  ff7f2dc988 =  73:  ce0c6cd82e ci: work around a problem with HTTP/2 vs libcurl v8.10.0
 35:  1e1847e23f =  74:  7b563039f3 hash-object: add another >4GB/LLP64 test case
 76:  1472d5ef24 =  75:  97842b5c1c setup: properly use "%(prefix)/" when in WSL
 77:  267deecb3a =  76:  09350f3c1e Add config option `windows.appendAtomically`
 78:  dbbecbb25b =  77:  a5a7813e03 cmake: install headless-git.
 79:  41724643ef =  78:  f8d1176237 http: when loading libcurl lazily, allow for multiple SSL backends
 75:  005848a45d =  79:  9d32e20a55 revision: create mark_trees_uninteresting_dense()
 81:  8f2dd5c8ab =  80:  4eae53d8e5 hash-object: add a >4GB/LLP64 test case using filtered input
 82:  c1efbd5f52 =  81:  a3a07d83c1 compat/mingw.c: do not warn when failing to get owner
 83:  6b266bf43d =  82:  362f7255df mingw: $env:TERM="xterm-256color" for newer OSes
 84:  0541939269 =  83:  fa4f4bfc00 winansi: check result and Buffer before using Name
 85:  1b7dc4ec65 =  84:  565b1072cf mingw: change core.fsyncObjectFiles = 1 by default
 86:  6c2389d850 =  85:  03dfb4e44f Fix Windows version resources
 87:  a9c7222c2b =  86:  5f1ff5f4fc status: fix for old-style submodules with commondir
 88:  27488a1812 =  87:  3b9aacd18b git.rc: include winuser.h
 89:  fc43092d31 =  88:  488fe0074f mingw: do load libcurl dynamically by default
 90:  b02a5f4a62 =  89:  bc498643ea Add a GitHub workflow to verify that Git/Scalar work in Nano Server
 91:  d0a21cc0bd =  90:  6c4a7d0329 mingw: suggest `windows.appendAtomically` in more cases
 92:  bea7c3adc4 =  91:  a980c18f0d win32: use native ANSI sequence processing, if possible
 93:  914b08570c =  92:  a141d16a0c common-main.c: fflush stdout buffer upon exit
 94:  dddcd7bd3a =  93:  28e650111d t5601/t7406(mingw): do run tests with symlink support
 95:  b0600224c2 =  94:  4ed3aec52d win32: ensure that `localtime_r()` is declared even in i686 builds
 96:  0c7b5d45b0 =  95:  bce2e4194f Fallback to AppData if XDG_CONFIG_HOME is unset
 97:  11c960c73c =  96:  bb30f769b6 run-command: be helpful with Git LFS fails on Windows 7
 80:  99ee54d90c =  97:  e350e968d3 survey: stub in new experimental 'git-survey' command
 98:  14146295ad =  98:  f4a8432965 survey: add command line opts to select references
 99:  16357fd468 =  99:  3eeca78085 survey: start pretty printing data in table form
100:  76d10aab5c = 100:  1d3e0dacee survey: add object count summary
101:  abe9177776 = 101:  1128b4cf46 survey: summarize total sizes by object type
102:  4da1ba65d1 = 102:  5aac6be583 survey: show progress during object walk
103:  7c36c1a370 = 103:  b086c58335 mingw: make sure `errno` is set correctly when socket operations fail
104:  b5e1baffc2 = 104:  cb2d06d2ea survey: add ability to track prioritized lists
105:  25dfa375ac = 105:  5f1d583164 compat/mingw: handle WSA errors in strerror
106:  4afa4f1bfc = 106:  cfe5567a43 survey: add report of "largest" paths
107:  e53d7c8506 = 107:  616dddaee6 compat/mingw: drop outdated comment
108:  18b2665c1f = 108:  d08d8d6cb8 survey: add --top=<N> option and config
109:  f0ff18b4f9 = 109:  089eda69ee t0301: actually test credential-cache on Windows
110:  cb0c2762cf = 110:  2d8ead9918 survey: clearly note the experimental nature in the output
111:  a40f16b061 = 111:  12cc95c9ae credential-cache: handle ECONNREFUSED gracefully
112:  73664d5089 = 112:  c24dcf4f32 reftable: do make sure to use custom allocators
113:  def6b84d18 = 113:  94966d8ac3 check-whitespace: avoid alerts about upstream commits
114:  adc4749edf = 114:  b127fa5c3d t/t5571-prep-push-hook.sh: Add test with writing to stderr
115:  c19f0068b5 = 115:  dcfd71de15 git-svn: mark it as unsupported by the Git for Windows project
116:  a9a0188cf1 = 116:  4f997d644e ci(macos): skip the `git p4` tests
117:  57580c4ab4 = 117:  b7c89123b4 Win32: make FILETIME conversion functions public
118:  f8e14085f1 = 118:  8fb3c6404f Win32: dirent.c: Move opendir down
119:  97d4ef68ca = 119:  50560b534f mingw: make the dirent implementation pluggable
120:  c3ddb440ec = 120:  3f08fbbdc7 Win32: make the lstat implementation pluggable
121:  3e8c5dc7b4 = 121:  35f6a92ce1 mingw: add infrastructure for read-only file system level caches
122:  192931e6b8 = 122:  3b41a61fa8 mingw: add a cache below mingw's lstat and dirent implementations
123:  67e21371ab = 123:  4074820f46 fscache: load directories only once
124:  e897d39378 = 124:  07d5d65f80 fscache: add key for GIT_TRACE_FSCACHE
125:  1e5b1eb070 = 125:  9b9d759988 fscache: remember not-found directories
126:  f962309770 = 126:  86500bdbf2 fscache: add a test for the dir-not-found optimization
127:  33ba60badf = 127:  cb7bdb8af6 add: use preload-index and fscache for performance
128:  1b2b3a9a32 = 128:  6f6b378685 dir.c: make add_excludes aware of fscache during status
129:  d9582d144f = 129:  b2d780f7b6 fscache: make fscache_enabled() public
130:  3a716d6e47 = 130:  6e657c0a11 dir.c: regression fix for add_excludes with fscache
131:  3aa3889597 = 131:  2c547422a5 fetch-pack.c: enable fscache for stats under .git/objects
134:  f9f22c434d = 132:  5d7009d238 git-gui--askyesno: fix funny text wrapping
132:  062bb949e5 = 133:  5c4c71b005 checkout.c: enable fscache for checkout again
136:  aab2262289 = 134:  80c85538be git-gui--askyesno (mingw): use Git for Windows' icon, if available
133:  5b4f41d2c1 = 135:  66d8406c03 Enable the filesystem cache (fscache) in refresh_index().
135:  b983be4def = 136:  7f5c989d99 fscache: use FindFirstFileExW to avoid retrieving the short name
137:  46ad66501e = 137:  d6e97ffbbe fscache: add GIT_TEST_FSCACHE support
138:  fd357cffc0 = 138:  9201220968 fscache: add fscache hit statistics
139:  1904dd8f1e = 139:  49fa487737 unpack-trees: enable fscache for sparse-checkout
140:  7854b6d1b0 = 140:  2829418f81 status: disable and free fscache at the end of the status command
141:  ec6322f589 = 141:  f2b86e556a mem_pool: add GIT_TRACE_MEMPOOL support
142:  61c2a800d3 = 142:  cde2e2667e fscache: fscache takes an initial size
143:  a105b66252 = 143:  5bcd54bf53 fscache: update fscache to be thread specific instead of global
144:  6f61d426c0 = 144:  2cea084576 fscache: teach fscache to use mempool
145:  6b9d2d3b3a = 145:  44d7f7eaff fscache: make fscache_enable() thread safe
146:  9c7277e099 = 146:  005bcc5290 fscache: teach fscache to use NtQueryDirectoryFile
147:  e085f60b9e = 147:  44c3e23804 fscache: remember the reparse tag for each entry
148:  bfea5b9cf5 = 148:  ac54f52dab fscache: implement an FSCache-aware is_mount_point()
149:  e339e3c465 = 149:  4aa48c8716 clean: make use of FSCache
150:  cffe86cf04 = 150:  22f15c4f5e pack-objects (mingw): demonstrate a segmentation fault with large deltas
151:  61adbc0a11 = 151:  c49b727f19 mingw: support long paths
152:  06d3cb25b3 = 152:  e8f66b2bcb win32(long path support): leave drive-less absolute paths intact
153:  276be1ddad = 153:  b2c58e444c compat/fsmonitor/fsm-*-win32: support long paths
154:  f14bdcfca1 = 154:  697579f54d clean: suggest using `core.longPaths` if paths are too long to remove
155:  2711ff860f = 155:  9cc20aaf40 mingw: Support `git_terminal_prompt` with more terminals
156:  1c27b4acdb = 156:  09b27f272a compat/terminal.c: only use the Windows console if bash 'read -r' fails
157:  f13e0c0748 = 157:  21b47ca338 mingw (git_terminal_prompt): do fall back to CONIN$/CONOUT$ method
158:  9df31457f4 = 158:  ed3c7ec422 Win32: symlink: move phantom symlink creation to a separate function
159:  0adfc2dd05 = 159:  2c16c27c9f Introduce helper to create symlinks that knows about index_state
160:  2fd9883b89 = 160:  65f1f968f2 mingw: allow to specify the symlink type in .gitattributes
161:  de75d08065 = 161:  9cf2a68ded Win32: symlink: add test for `symlink` attribute
162:  09e31ac82b = 162:  18a98606a5 mingw: explicitly specify with which cmd to prefix the cmdline
163:  ef9e447a1f = 163:  8fa27222d2 mingw: when path_lookup() failed, try BusyBox
164:  0755e8dc33 = 164:  77429820de test-tool: learn to act as a drop-in replacement for `iconv`
165:  17bc2e7eee = 165:  78feffec0d tests(mingw): if `iconv` is unavailable, use `test-helper --iconv`
166:  dbeaa55bbf = 166:  b46e37fd1e gitattributes: mark .png files as binary
167:  bf9780691d = 167:  f07f9c2124 tests: move test PNGs into t/lib-diff/
168:  8dab70715a = 168:  30d73ecd63 tests: only override sort & find if there are usable ones in /usr/bin/
169:  f5588557e2 = 169:  511efb72a2 tests: use the correct path separator with BusyBox
172:  853c9fd71f = 170:  9dd51db5bf mingw: introduce code to detect whether we're inside a Windows container
170:  b9e46fdfc6 = 171:  b3ca3b17c4 mingw: only use Bash-ism `builtin pwd -W` when available
174:  4667e754f3 = 172:  120db20cb2 mingw: when running in a Windows container, try to rename() harder
171:  87621932c0 = 173:  168636c9c6 tests (mingw): remove Bash-specific pwd option
176:  58a0f7ed6b = 174:  4a2e071d1b mingw: move the file_attr_to_st_mode() function definition
173:  9e528d3e23 = 175:  7dc5d84eae test-lib: add BUSYBOX prerequisite
178:  a768d04f90 = 176:  6d3b408e1d mingw: Windows Docker volumes are *not* symbolic links
175:  fbcc21b281 = 177:  452e701745 t5003: use binary file from t/lib-diff/
180:  4126654504 = 178:  961c8d9bd7 mingw: work around rename() failing on a read-only file
177:  ba38f51c2d = 179:  dda05cae9e t5532: workaround for BusyBox on Windows
179:  fb6e536671 = 180:  43ebd1ed8c t5605: special-case hardlink test for BusyBox-w32
181:  552bffd87f = 181:  a678280522 t5813: allow for $PWD to be a Windows path
183:  6f74c508d3 = 182:  088d372b78 Describe Git for Windows' architecture [no ci]
182:  c22123e378 = 183:  7758d55f61 t9200: skip tests when $PWD contains a colon
186:  fbfb5c28a5 = 184:  e5ee8cffad Modify the Code of Conduct for Git for Windows
184:  a4a849e447 = 185:  0939b7309e mingw: kill child processes in a gentler way
185:  0c05d03aa7 = 186:  dbbb64913d mingw: optionally enable wsl compability file mode bits
188:  a9a20baa8c = 187:  734ddf24d9 CONTRIBUTING.md: add guide for first-time contributors
187:  6016b86b07 = 188:  ef9b9afd15 mingw: really handle SIGINT
190:  24a123be34 = 189:  78136ffa7c README.md: Add a Windows-specific preamble
189:  df8d965ccd = 190:  25e8a5101f Partially un-revert "editor: save and reset terminal after calling EDITOR"
192:  37cde5d483 = 191:  308b56b436 Add an issue template
191:  320be5c261 = 192:  1ccf826978 reset: reinstate support for the deprecated --stdin option
193:  c2c2ad89a4 = 193:  f359a13b0c Add a GitHub workflow to monitor component updates
195:  bb93b52727 = 194:  d06ee2ca22 Modify the GitHub Pull Request template (to reflect Git for Windows)
194:  08a7e53b1c = 195:  fd4d2c8cfa fsmonitor: reintroduce core.useBuiltinFSMonitor
196:  6f8096e9f7 = 196:  dc331b2b3f dependabot: help keeping GitHub Actions versions up to date
197:  2fa358d3ad = 197:  2da719798e SECURITY.md: document Git for Windows' policies

PhilipOakley and others added 30 commits February 27, 2026 01:47
Continue walking the code path for the >4GB `hash-object --literally`
test. The `hash_object_file_literally()` function internally uses both
`hash_object_file()` and `write_object_file_prepare()`. Both function
signatures use `unsigned long` rather than `size_t` for the mem buffer
sizes. Use `size_t` instead, for LLP64 compatibility.

While at it, convert those function's object's header buffer length to
`size_t` for consistency. The value is already upcast to `uintmax_t` for
print format compatibility.

Note: The hash-object test still does not pass. A subsequent commit
continues to walk the call tree's lower level hash functions to identify
further fixes.

Signed-off-by: Philip Oakley <philipoakley@iee.email>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
After importing anything with fast-import, we should always let the
garbage collector do its job, since the objects are written to disk
inefficiently.

This brings down an initial import of http://selenic.com/hg from about
230 megabytes to about 14.

In the future, we may want to make this configurable on a per-remote
basis, or maybe teach fast-import about it in the first place.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
On Windows, there are several categories of absolute paths. One such
category starts with a backslash and is implicitly relative to the drive
associated with the current working directory. Example:

	c:
	git clone https://github.com/git-for-windows/git \G4W

should clone into C:\G4W.

Back in 2017, Juan Carlos Arevalo Baeza reported a bug in Git's handling
of those absolute paths was identified, and fixed. Let's make sure that
it stays fixed.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Windows' equivalent to "bind mounts", NTFS junction points, can be
unlinked without affecting the mount target. This is clearly what users
expect to happen when they call `git clean -dfx` in a worktree that
contains NTFS junction points: the junction should be removed, and the
target directory of said junction should be left alone (unless it is
inside the worktree).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
While Git for Windows does not _ship_ Python (in order to save on
bandwidth), MSYS2 provides very fine Python interpreters that users can
easily take advantage of, by using Git for Windows within its SDK.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Thorough benchmarking with repacking a subset of linux.git (the commit
history reachable from 93a6fef ([PATCH] fix the SYSCTL=n compilation,
2007-02-28), to be precise) suggest that this allocator is on par, in
multi-threaded situations maybe even better than nedmalloc:

`git repack -adfq` with mimalloc, 8 threads:

31.166991900 27.576763800 28.712311000 27.373859000 27.163141900

`git repack -adfq` with nedmalloc, 8 threads:

31.915032900 27.149883100 28.244933700 27.240188800 28.580849500

In a different test using GitHub Actions build agents (probably
single-threaded, a core-strength of nedmalloc)):

`git repack -q -d -l -A --unpack-unreachable=2.weeks.ago` with mimalloc:

943.426 978.500 939.709 959.811 954.605

`git repack -q -d -l -A --unpack-unreachable=2.weeks.ago` with nedmalloc:

995.383 952.179 943.253 963.043 980.468

While these measurements were not executed with complete scientific
rigor, as no hardware was set aside specifically for these benchmarks,
it shows that mimalloc and nedmalloc perform almost the same, nedmalloc
with a bit higher variance and also slightly higher average (further
testing suggests that nedmalloc performs worse in multi-threaded
situations than in single-threaded ones).

In short: mimalloc seems to be slightly better suited for our purposes
than nedmalloc.

Seeing that mimalloc is developed actively, while nedmalloc ceased to
see any updates in eight years, let's use mimalloc on Windows instead.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Since commit 0c499ea (send-pack: demultiplex a sideband stream with
status data, 2010-02-05) the send-pack builtin uses the side-band-64k
capability if advertised by the server.

Unfortunately this breaks pushing over the dump git protocol if used
over a network connection.

The detailed reasons for this breakage are (by courtesy of Jeff Preshing,
quoted from https://groups.google.com/d/msg/msysgit/at8D7J-h7mw/eaLujILGUWoJ):

	MinGW wraps Windows sockets in CRT file descriptors in order to
	mimic the functionality of POSIX sockets. This causes msvcrt.dll
	to treat sockets as Installable File System (IFS) handles,
	calling ReadFile, WriteFile, DuplicateHandle and CloseHandle on
	them. This approach works well in simple cases on recent
	versions of Windows, but does not support all usage patterns. In
	particular, using this approach, any attempt to read & write
	concurrently on the same socket (from one or more processes)
	will deadlock in a scenario where the read waits for a response
	from the server which is only invoked after the write. This is
	what send_pack currently attempts to do in the use_sideband
	codepath.

The new config option `sendpack.sideband` allows to override the
side-band-64k capability of the server, and thus makes the dumb git
protocol work.

Other transportation methods like ssh and http/https still benefit from
the sideband channel, therefore the default value of `sendpack.sideband`
is still true.

Signed-off-by: Thomas Braun <thomas.braun@byte-physics.de>
Signed-off-by: Oliver Schneider <oliver@assarbad.net>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
In 1e64d18 (mingw: do resolve symlinks in `getcwd()`) a problem was
introduced that causes git for Windows to stop working with certain
mapped network drives (in particular, drives that are mapped to
locations with long path names). Error message was "fatal: Unable to
read current working directory: No such file or directory". Present
change fixes this issue as discussed in
git-for-windows#2480

Signed-off-by: Bjoern Mueller <bjoernm@gmx.de>
Update clink.pl to link with either libcurl.lib or libcurl-d.lib
depending on whether DEBUG=1 is set.

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
There is a Win32 API function to resolve symbolic links, and we can use
that instead of resolving them manually. Even better, this function also
resolves NTFS junction points (which are somewhat similar to bind
mounts).

This fixes git-for-windows#2481.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
The native Windows HTTPS backend is based on Secure Channel which lets
the caller decide how to handle revocation checking problems caused by
missing information in the certificate or offline CRL distribution
points.

Unfortunately, cURL chose to handle these problems differently than
OpenSSL by default: while OpenSSL happily ignores those problems
(essentially saying "¯\_(ツ)_/¯"), the Secure Channel backend will error
out instead.

As a remedy, the "no revoke" mode was introduced, which turns off
revocation checking altogether. This is a bit heavy-handed. We support
this via the `http.schannelCheckRevoke` setting.

In curl/curl#4981, we contributed an opt-in
"best effort" strategy that emulates what OpenSSL seems to do.

In Git for Windows, we actually want this to be the default. This patch
makes it so, introducing it as a new value for the
`http.schannelCheckRevoke" setting, which now becmes a tristate: it
accepts the values "false", "true" or "best-effort" (defaulting to the
last one).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
The convention in Git project's shell scripts is to have white-space
_before_, but not _after_ the `>` (or `<`).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This change enhances `git commit --cleanup=scissors` by detecting
scissors lines ending in either LF (UNIX-style) or CR/LF (DOS-style).

Regression tests are included to specifically test for trailing
comments after a CR/LF-terminated scissors line.

Signed-off-by: Luke Bonanomi <lbonanomi@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
For some reason, this test case was indented with 4 spaces instead of 1
horizontal tab. The other test cases in the same test script are fine.

Signed-off-by: Jens Glathe <jens.glathe@oldschoolsolutions.biz>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
As of Git v2.28.0, the diff for files staged via `git add -N` marks them
as new files. Git GUI was ill-prepared for that, and this patch teaches
Git GUI about them.

Please note that this will not even fix things with v2.28.0, as the
`rp/apply-cached-with-i-t-a` patches are required on Git's side, too.

This fixes git-for-windows#2779

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Pratyush Yadav <me@yadavpratyush.com>
The vcpkg downloads may not succeed. Warn careful readers of the time out.

A simple retry will usually resolve the issue.

Signed-off-by: Philip Oakley <philipoakley@iee.email>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Dennis Ameling <dennis@dennisameling.com>
Git's regular Makefile mentions that HOST_CPU should be defined when cross-compiling Git: https://github.com/git-for-windows/git/blob/37796bca76ef4180c39ee508ca3e42c0777ba444/Makefile#L438-L439

This is then used to set the GIT_HOST_CPU variable when compiling Git: https://github.com/git-for-windows/git/blob/37796bca76ef4180c39ee508ca3e42c0777ba444/Makefile#L1337-L1341

Then, when the user runs `git version --build-options`, it returns that value: https://github.com/git-for-windows/git/blob/37796bca76ef4180c39ee508ca3e42c0777ba444/help.c#L658

This commit adds the same functionality to the CMake configuration. Users can now set -DHOST_CPU= to set the target architecture.

Signed-off-by: Dennis Ameling <dennis@dennisameling.com>
These fixes have been sent to the Git mailing list but have not been
picked up by the Git project yet.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
As reported in newren/git-filter-repo#225, it
looks like 99 bytes is not really sufficient to represent e.g. the full
path to Python when installed via Windows Store (and this path is used
in the hasb bang line when installing scripts via `pip`).

Let's increase it to what is probably the maximum sensible path size:
MAX_PATH. This makes `parse_interpreter()` in line with what
`lookup_prog()` handles.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Vilius Šumskas <vilius@sumskas.eu>
We used to have that `make vcxproj` hack, but a hack it is. In the
meantime, we have a much cleaner solution: using CMake, either
explicitly, or even more conveniently via Visual Studio's built-in CMake
support (simply open Git's top-level directory via File>Open>Folder...).

Let's let the `README` reflect this.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This adds support for a new http.sslAutoClientCert config value.

In cURL 7.77 or later the schannel backend does not automatically send
client certificates from the Windows Certificate Store anymore.

This config value is only used if http.sslBackend is set to "schannel",
and can be used to opt in to the old behavior and force cURL to send
client certificates.

This fixes git-for-windows#3292

Signed-off-by: Pascal Muller <pascalmuller@gmail.com>
Because `git subtree` (unlike most other `contrib` modules) is included as
part of the standard release of Git for Windows, its stability should be
verified as consistently as it is for the rest of git. By including the
`git subtree` tests in the CI workflow, these tests are as much of a gate to
merging and indicator of stability as the standard test suite.

Signed-off-by: Victoria Dye <vdye@github.com>
Ensure key CMake option values are part of the CMake output to
facilitate user support when tool updates impact the wider CMake
actions, particularly ongoing 'improvements' in Visual Studio.

These CMake displays perform the same function as the build-options.txt
provided in the main Git for Windows. CMake is already chatty.
The setting of CMAKE_EXPORT_COMPILE_COMMANDS is also reported.

Include the environment's CMAKE_EXPORT_COMPILE_COMMANDS value which
may have been propogated to CMake's internal value.

Testing the CMAKE_EXPORT_COMPILE_COMMANDS processing can be difficult
in the Visual Studio environment, as it may be cached in many places.
The 'environment' may include the OS, the user shell, CMake's
own environment, along with the Visual Studio presets and caches.

See previous commit for arefacts that need removing for a clean test.

Signed-off-by: Philip Oakley <philipoakley@iee.email>
This is no longer true in general, not with supporting Clang out of the
box.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This option was added in fa93bb2 (MinGW: Fix stat definitions to
work with MinGW runtime version 4.0, 2013-09-11), i.e. a _long_ time
ago. So long, in fact, that it still targeted MinGW. But we switched to
mingw-w64 in 2015, which seems not to share the problem, and therefore
does not require a fix.

Even worse: This flag is incompatible with UCRT64, which we are about to
support by way of upstreaming `mingw-w64-git` to the MSYS2 project, see
msys2/MINGW-packages#26470 for details.

So let's send that option into its well-deserved retirement.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Merge this early to resolve merge conflicts early.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
That option only matters there, and is in fact only really understood in
those builds; UCRT64 versions of GCC, for example, do not know what to
do with that option.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
When building with `make MSVC=1 DEBUG=1`, link to `libexpatd.lib`
rather than `libexpat.lib`.

It appears that the `vcpkg` package for "libexpat" has changed and now
creates `libexpatd.lib` for debug mode builds.  Previously, both debug
and release builds created a ".lib" with the same basename.

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
dscho and others added 30 commits February 27, 2026 01:47
When t5605 tries to verify that files are hardlinked (or that they are
not), it uses the `-links` option of the `find` utility.

BusyBox' implementation does not support that option, and BusyBox-w32's
lstat() does not even report the number of hard links correctly (for
performance reasons).

So let's just switch to a different method that actually works on
Windows.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This was pull request git-for-windows#1645 from ZCube/master

Support windows container.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Git for Windows uses MSYS2's Bash to run the test suite, which comes
with benefits but also at a heavy price: on the plus side, MSYS2's
POSIX emulation layer allows us to continue pretending that we are on a
Unix system, e.g. use Unix paths instead of Windows ones, yet this is
bought at a rather noticeable performance penalty.

There *are* some more native ports of Unix shells out there, though,
most notably BusyBox-w32's ash. These native ports do not use any POSIX
emulation layer (or at most a *very* thin one, choosing to avoid
features such as fork() that are expensive to emulate on Windows), and
they use native Windows paths (usually with forward slashes instead of
backslashes, which is perfectly legal in almost all use cases).

And here comes the problem: with a $PWD looking like, say,
C:/git-sdk-64/usr/src/git/t/trash directory.t5813-proto-disable-ssh
Git's test scripts get quite a bit confused, as their assumptions have
been shattered. Not only does this path contain a colon (oh no!), it
also does not start with a slash.

This is a problem e.g. when constructing a URL as t5813 does it:
ssh://remote$PWD. Not only is it impossible to separate the "host" from
the path with a $PWD as above, even prefixing $PWD by a slash won't
work, as /C:/git-sdk-64/... is not a valid path.

As a workaround, detect when $PWD does not start with a slash on
Windows, and simply strip the drive prefix, using an obscure feature of
Windows paths: if an absolute Windows path starts with a slash, it is
implicitly prefixed by the drive prefix of the current directory. As we
are talking about the current directory here, anyway, that strategy
works.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
…ws#4527)

With this patch, Git for Windows works as intended on mounted APFS
volumes (where renaming read-only files would fail).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
The Git for Windows project has grown quite complex over the years,
certainly much more complex than during the first years where the
`msysgit.git` repository was abusing Git for package management purposes
and the `git/git` fork was called `4msysgit.git`.

Let's describe the status quo in a thorough way.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
On Windows, the current working directory is pretty much guaranteed to
contain a colon. If we feed that path to CVS, it mistakes it for a
separator between host and port, though.

This has not been a problem so far because Git for Windows uses MSYS2's
Bash using a POSIX emulation layer that also pretends that the current
directory is a Unix path (at least as long as we're in a shell script).

However, that is rather limiting, as Git for Windows also explores other
ports of other Unix shells. One of those is BusyBox-w32's ash, which is
a native port (i.e. *not* using any POSIX emulation layer, and certainly
not emulating Unix paths).

So let's just detect if there is a colon in $PWD and punt in that case.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
The Git project followed Git for Windows' lead and added their Code of
Conduct, based on the Contributor Covenant v1.4, later updated to v2.0.

We adapt it slightly to Git for Windows.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
The TerminateProcess() function does not actually leave the child
processes any chance to perform any cleanup operations. This is bad
insofar as Git itself expects its signal handlers to run.

A symptom is e.g. a left-behind .lock file that would not be left behind
if the same operation was run, say, on Linux.

To remedy this situation, we use an obscure trick: we inject a thread
into the process that needs to be killed and to let that thread run the
ExitProcess() function with the desired exit status. Thanks J Wyman for
describing this trick.

The advantage is that the ExitProcess() function lets the atexit
handlers run. While this is still different from what Git expects (i.e.
running a signal handler), in practice Git sets up signal handlers and
atexit handlers that call the same code to clean up after itself.

In case that the gentle method to terminate the process failed, we still
fall back to calling TerminateProcess(), but in that case we now also
make sure that processes spawned by the spawned process are terminated;
TerminateProcess() does not give the spawned process a chance to do so
itself.

Please note that this change only affects how Git for Windows tries to
terminate processes spawned by Git's own executables. Third-party
software that *calls* Git and wants to terminate it *still* need to make
sure to imitate this gentle method, otherwise this patch will not have
any effect.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
The Windows Subsystem for Linux (WSL) version 2 allows to use `chmod` on
NTFS volumes provided that they are mounted with metadata enabled (see
https://devblogs.microsoft.com/commandline/chmod-chown-wsl-improvements/
for details), for example:

	$ chmod 0755 /mnt/d/test/a.sh

In order to facilitate better collaboration between the Windows
version of Git and the WSL version of Git, we can make the Windows
version of Git also support reading and writing NTFS file modes
in a manner compatible with WSL.

Since this slightly slows down operations where lots of files are
created (such as an initial checkout), this feature is only enabled when
`core.WSLCompat` is set to true. Note that you also have to set
`core.fileMode=true` in repositories that have been initialized without
enabling WSL compatibility.

There are several ways to enable metadata loading for NTFS volumes
in WSL, one of which is to modify `/etc/wsl.conf` by adding:

```
[automount]
enabled = true
options = "metadata,umask=027,fmask=117"
```

And reboot WSL.

It can also be enabled temporarily by this incantation:

	$ sudo umount /mnt/c &&
	  sudo mount -t drvfs C: /mnt/c -o metadata,uid=1000,gid=1000,umask=22,fmask=111

It's important to note that this modification is compatible with, but
does not depend on WSL. The helper functions in this commit can operate
independently and functions normally on devices where WSL is not
installed or properly configured.

Signed-off-by: xungeng li <xungeng@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Getting started contributing to Git can be difficult on a Windows
machine. CONTRIBUTING.md contains a guide to getting started, including
detailed steps for setting up build tools, running tests, and
submitting patches to upstream.

[includes an example by Pratik Karki how to submit v2, v3, v4, etc.]

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Previously, we did not install any handler for Ctrl+C, but now we really
want to because the MSYS2 runtime learned the trick to call the
ConsoleCtrlHandler when Ctrl+C was pressed.

With this, hitting Ctrl+C while `git log` is running will only terminate
the Git process, but not the pager. This finally matches the behavior on
Linux and on macOS.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This patch introduces support to set special NTFS attributes that are
interpreted by the Windows Subsystem for Linux as file mode bits, UID
and GID.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Includes touch-ups by 마누엘, Philip Oakley and 孙卓识.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
…ITOR"

In e3f7e01 (Revert "editor: save and reset terminal after calling
EDITOR", 2021-11-22), we reverted the commit wholesale where the
terminal state would be saved and restored before/after calling an
editor.

The reverted commit was intended to fix a problem with Windows Terminal
where simply calling `vi` would cause problems afterwards.

To fix the problem addressed by the revert, but _still_ keep the problem
with Windows Terminal fixed, let's revert the revert, with a twist: we
restrict the save/restore _specifically_ to the case where `vi` (or
`vim`) is called, and do not do the same for any other editor.

This should still catch the majority of the cases, and will bridge the
time until the original patch is re-done in a way that addresses all
concerns.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Handle Ctrl+C in Git Bash nicely

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
With improvements by Clive Chan, Adric Norris, Ben Bodenmiller and
Philip Oakley.

Helped-by: Clive Chan <cc@clive.io>
Helped-by: Adric Norris <landstander668@gmail.com>
Helped-by: Ben Bodenmiller <bbodenmiller@hotmail.com>
Helped-by: Philip Oakley <philipoakley@iee.org>
Signed-off-by: Brendan Forster <brendan@github.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
The `--stdin` option was a well-established paradigm in other commands,
therefore we implemented it in `git reset` for use by Visual Studio.

Unfortunately, upstream Git decided that it is time to introduce
`--pathspec-from-file` instead.

To keep backwards-compatibility for some grace period, we therefore
reinstate the `--stdin` option on top of the `--pathspec-from-file`
option, but mark it firmly as deprecated.

Helped-by: Victoria Dye <vdye@github.com>
Helped-by: Matthew John Cheetham <mjcheetham@outlook.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
A fix for calling `vim` in Windows Terminal caused a regression and was
reverted. We partially un-revert this, to get the fix again.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Rather than using private IFTTT Applets that send mails to this
maintainer whenever a new version of a Git for Windows component was
released, let's use the power of GitHub workflows to make this process
publicly visible.

This workflow monitors the Atom/RSS feeds, and opens a ticket whenever a
new version was released.

Note: Bash sometimes releases multiple patched versions within a few
minutes of each other (i.e. 5.1p1 through 5.1p4, 5.0p15 and 5.0p16). The
MSYS2 runtime also has a similar system. We can address those patches as
a group, so we shouldn't get multiple issues about them.

Note further: We're not acting on newlib releases, OpenSSL alphas, Perl
release candidates or non-stable Perl releases. There's no need to open
issues about them.

Co-authored-by: Matthias Aßhauer <mha1993@live.de>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Git for Windows accepts pull requests; Core Git does not. Therefore we
need to adjust the template (because it only matches core Git's
project management style, not ours).

Also: direct Git for Windows enhancements to their contributions page,
space out the text for easy reading, and clarify that the mailing list
is plain text, not HTML.

Signed-off-by: Philip Oakley <philipoakley@iee.org>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Reintroduce the 'core.useBuiltinFSMonitor' config setting (originally added
in 0a756b2 (fsmonitor: config settings are repository-specific,
2021-03-05)) after its removal from the upstream version of FSMonitor.

Upstream, the 'core.useBuiltinFSMonitor' setting was rendered obsolete by
"overloading" the 'core.fsmonitor' setting to take a boolean value. However,
several applications (e.g., 'scalar') utilize the original config setting,
so it should be preserved for a deprecation period before complete removal:

* if 'core.fsmonitor' is a boolean, the user is correctly using the new
  config syntax; do not use 'core.useBuiltinFSMonitor'.
* if 'core.fsmonitor' is unspecified, use 'core.useBuiltinFSMonitor'.
* if 'core.fsmonitor' is a path, override and use the builtin FSMonitor if
  'core.useBuiltinFSMonitor' is 'true'; otherwise, use the FSMonitor hook
  indicated by the path.

Additionally, for this deprecation period, advise users to switch to using
'core.fsmonitor' to specify their use of the builtin FSMonitor.

Signed-off-by: Victoria Dye <vdye@github.com>
This topic branch re-adds the deprecated --stdin/-z options to `git
reset`. Those patches were overridden by a different set of options in
the upstream Git project before we could propose `--stdin`.

We offered this in MinGit to applications that wanted a safer way to
pass lots of pathspecs to Git, and these applications will need to be
adjusted.

Instead of `--stdin`, `--pathspec-from-file=-` should be used, and
instead of `-z`, `--pathspec-file-nul`.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This is the recommended way on GitHub to describe policies revolving around
security issues and about supported versions.

Helped-by: Sven Strickroth <email@cs-ware.de>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Originally introduced as `core.useBuiltinFSMonitor` in Git for Windows
and developed, improved and stabilized there, the built-in FSMonitor
only made it into upstream Git (after unnecessarily long hemming and
hawing and throwing overly perfectionist style review sticks into the
spokes) as `core.fsmonitor = true`.

In Git for Windows, with this topic branch, we re-introduce the
now-obsolete config setting, with warnings suggesting to existing users
how to switch to the new config setting, with the intention to
ultimately drop the patch at some stage.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
…updates

Start monitoring updates of Git for Windows' component in the open
Add a README.md for GitHub goodness.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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