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Rebase shears/seen: 1 conflict(s) (0 skipped, 1 resolved) (#26456238144)#204
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Rebase Summary: seen

From: c556687529 (AGENTS.md: document amend!, fixup-only PRs, and direct GfW PRs (git-for-windows#6232), 2026-05-26) (cca22fbf57..c556687529)

Resolved: c556687529 (AGENTS.md: document amend!, fixup-only PRs, and direct GfW PRs (git-for-windows#6232), 2026-05-26)

Resolved merge of PR git-for-windows#6232 (AGENTS.md additions): took HEAD for all non-AGENTS.md files (upstream state), kept rewritten side's new sections (amend! commits, fixup-only PRs, contributing to GfW) in AGENTS.md

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  • 1: c556687529 ! 1: 88de53b AGENTS.md: document amend!, fixup-only PRs, and direct GfW PRs (AGENTS.md: document amend!, fixup-only PRs, and direct GfW PRs git#6232)

    @@ Commit message
     
         Add subsections that cover those gaps. Nothing in the existing text
         changes.
    +
    + ## AGENTS.md ##
    + remerge CONFLICT (add/add): Merge conflict in AGENTS.md
    + index 8212eafdf1..98c2066e58 100644
    + --- AGENTS.md
    + +++ AGENTS.md
    +@@ AGENTS.md: Make **only** the change the patch intended, but in the current location:
    + 
    + Conflict markers make the file invalid code:
    + ```
    +-<<<<<<< HEAD
    +-=======
    +->>>>>>> commit-hash
    + ```
    + 
    + **All three types of markers must be completely removed.**
    +@@ AGENTS.md: gets squashed into.
    + 
    + Run affected tests before finalizing.
    + 
    +-<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    +-================================
    + ### `amend!` Commits
    + 
    + A `fixup!` commit keeps the target's commit message and merely combines
    +@@ AGENTS.md: This is the preferred pattern for reverting a multi-commit downstream
    + feature. Order the fixups in **reverse** of the originals so each
    + revert applies cleanly to the worktree as you build the series.
    + 
    +->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + ### Common Adaptation Patterns
    + 
    + **Struct field moves**: When upstream moves fields between structs, update
    +@@ AGENTS.md: On Windows, `unsigned long` is 32 bits even on 64-bit systems. Use `size_t`
    + for sizes that may exceed 4GB. Be careful with format strings: use `PRIuMAX`
    + with a cast for `size_t` values.
    + 
    +-<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    +-================================
    + ## Contributing to Git for Windows
    + 
    + The primary contribution path for this fork is a PR against
    +@@ AGENTS.md: upstream commit's diff is the canonical pattern. The next
    + merging-rebase that picks up the upstream commit will recognize the
    + two as byte-identical and collapse them.
    + 
    +->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + ## Contributing to Upstream Git via GitGitGadget
    + 
    + ### Overview
    +
    + ## Documentation/config/sideband.adoc ##
    + remerge CONFLICT (add/add): Merge conflict in Documentation/config/sideband.adoc
    + index b015866bf7..ddba93393c 100644
    + --- Documentation/config/sideband.adoc
    + +++ Documentation/config/sideband.adoc
    +@@
    + sideband.allowControlCharacters::
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + ifdef::with-breaking-changes[]
    + 	By default, control characters that are delivered via the sideband
    + 	are masked, except ANSI color sequences. This prevents potentially
    +@@ Documentation/config/sideband.adoc: endif::with-breaking-changes[]
    + sideband.<url>.*::
    + 	Apply the `sideband.*` option selectively to specific URLs. The
    + 	same URL matching logic applies as for `http.<url>.*` settings.
    +-=======
    +-	By default, control characters that are delivered via the sideband
    +-	are masked, except ANSI color sequences. This prevents potentially
    +-	unwanted ANSI escape sequences from being sent to the terminal. Use
    +-	this config setting to override this behavior:
    +-+
    +---
    +-	color::
    +-		Allow ANSI color sequences, line feeds and horizontal tabs,
    +-		but mask all other control characters. This is the default.
    +-	false::
    +-		Mask all control characters other than line feeds and
    +-		horizontal tabs.
    +-	true::
    +-		Allow all control characters to be sent to the terminal.
    +---
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    +
    + ## Makefile ##
    + remerge CONFLICT (content): Merge conflict in Makefile
    + index 224cefbfbd..9c6f6cfac5 100644
    + --- Makefile
    + +++ Makefile
    +@@ Makefile: CLAR_TEST_SUITES += u-hashmap
    + CLAR_TEST_SUITES += u-list-objects-filter-options
    + CLAR_TEST_SUITES += u-mem-pool
    + CLAR_TEST_SUITES += u-mingw
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + CLAR_TEST_SUITES += u-odb-inmemory
    +-=======
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + CLAR_TEST_SUITES += u-oid-array
    + CLAR_TEST_SUITES += u-oidmap
    + CLAR_TEST_SUITES += u-oidtree
    +@@ Makefile: $(MIMALLOC_OBJS): COMPAT_CFLAGS += \
    + endif
    + endif
    + 
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + 
    +-=======
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + ifdef OVERRIDE_STRDUP
    + 	COMPAT_CFLAGS += -DOVERRIDE_STRDUP
    + 	COMPAT_OBJS += compat/strdup.o
    +
    + ## compat/mingw.c ##
    + remerge CONFLICT (content): Merge conflict in compat/mingw.c
    + index 2bbacda529..940243e0a3 100644
    + --- compat/mingw.c
    + +++ compat/mingw.c
    +@@ compat/mingw.c: int mingw_unlink(const char *pathname, int handle_in_use_error)
    + 		return -1;
    + 
    + 	if (use_legacy_delete < 0)
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + 		use_legacy_delete = git_env_bool("GIT_TEST_LEGACY_DELETE", 0);
    +-=======
    +-		use_legacy_delete = !!getenv("GIT_TEST_LEGACY_DELETE");
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + 
    + 	if (try_delete_file(wpathname, use_legacy_delete))
    + 		return 0;
    +
    + ## config.mak.dev ##
    + remerge CONFLICT (content): Merge conflict in config.mak.dev
    + index 4373f80f0a..f63449d912 100644
    + --- config.mak.dev
    + +++ config.mak.dev
    +@@ config.mak.dev: ifndef USE_MIMALLOC
    + DEVELOPER_CFLAGS += -std=gnu99
    + endif
    + endif
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + endif
    +-=======
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + else
    + # FreeBSD cannot limit to C99 because its system headers unconditionally
    + # rely on C11 features.
    +
    + ## contrib/buildsystems/CMakeLists.txt ##
    + remerge CONFLICT (content): Merge conflict in contrib/buildsystems/CMakeLists.txt
    + index 893a4180fd..9077b187e5 100644
    + --- contrib/buildsystems/CMakeLists.txt
    + +++ contrib/buildsystems/CMakeLists.txt
    +@@ contrib/buildsystems/CMakeLists.txt: if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
    + 	add_compile_definitions(HAVE_ALLOCA_H NO_POSIX_GOODIES NATIVE_CRLF NO_UNIX_SOCKETS WIN32
    + 				_CONSOLE DETECT_MSYS_TTY STRIP_EXTENSION=".exe"  NO_SYMLINK_HEAD UNRELIABLE_FSTAT
    + 				NOGDI OBJECT_CREATION_MODE=1 __USE_MINGW_ANSI_STDIO=0
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + 				OVERRIDE_STRDUP MMAP_PREVENTS_DELETE USE_WIN32_MMAP
    +-=======
    +-				USE_NED_ALLOCATOR OVERRIDE_STRDUP MMAP_PREVENTS_DELETE USE_WIN32_MMAP
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + 				HAVE_WPGMPTR HAVE_RTLGENRANDOM)
    + 	if(CMAKE_GENERATOR_PLATFORM STREQUAL "x64")
    + 		add_compile_definitions(ENSURE_MSYSTEM_IS_SET="MINGW64" MINGW_PREFIX="mingw64")
    +@@ contrib/buildsystems/CMakeLists.txt: if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
    + 		compat/win32/trace2_win32_process_info.c
    + 		compat/win32/dirent.c
    + 		compat/win32/wsl.c
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    +-=======
    +-		compat/nedmalloc/nedmalloc.c
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + 		compat/strdup.c
    + 		compat/win32/fscache.c)
    + 	set(NO_UNIX_SOCKETS 1)
    +
    + ## object-file.c ##
    + remerge CONFLICT (content): Merge conflict in object-file.c
    + index 200d31a254..0056c369ce 100644
    + --- object-file.c
    + +++ object-file.c
    +@@ object-file.c: static void hash_object_body(const struct git_hash_algo *algo, struct git_hash_c
    + 	git_hash_final_oid(oid, c);
    + }
    + 
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + void write_object_file_prepare(const struct git_hash_algo *algo,
    + 			       const void *buf, size_t len,
    + 			       enum object_type type, struct object_id *oid,
    + 			       char *hdr, size_t *hdrlen)
    +-=======
    +-static void write_object_file_prepare(const struct git_hash_algo *algo,
    +-				      const void *buf, size_t len,
    +-				      enum object_type type, struct object_id *oid,
    +-				      char *hdr, size_t *hdrlen)
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + {
    + 	struct git_hash_ctx c;
    + 
    +@@ object-file.c: int odb_source_loose_write_stream(struct odb_source_loose *loose,
    + 	return err;
    + }
    + 
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    +-=======
    +-int odb_source_loose_write_object(struct odb_source *source,
    +-				  const void *buf, size_t len,
    +-				  enum object_type type, struct object_id *oid,
    +-				  struct object_id *compat_oid_in,
    +-				  enum odb_write_object_flags flags)
    +-{
    +-	const struct git_hash_algo *algo = source->odb->repo->hash_algo;
    +-	const struct git_hash_algo *compat = source->odb->repo->compat_hash_algo;
    +-	struct object_id compat_oid;
    +-	char hdr[MAX_HEADER_LEN];
    +-	size_t hdrlen = sizeof(hdr);
    +-
    +-	/* Generate compat_oid */
    +-	if (compat) {
    +-		if (compat_oid_in)
    +-			oidcpy(&compat_oid, compat_oid_in);
    +-		else if (type == OBJ_BLOB)
    +-			hash_object_file(compat, buf, len, type, &compat_oid);
    +-		else {
    +-			struct strbuf converted = STRBUF_INIT;
    +-			convert_object_file(source->odb->repo, &converted, algo, compat,
    +-					    buf, len, type, 0);
    +-			hash_object_file(compat, converted.buf, converted.len,
    +-					 type, &compat_oid);
    +-			strbuf_release(&converted);
    +-		}
    +-	}
    +-
    +-	/* Normally if we have it in the pack then we do not bother writing
    +-	 * it out into .git/objects/??/?{38} file.
    +-	 */
    +-	write_object_file_prepare(algo, buf, len, type, oid, hdr, &hdrlen);
    +-	if (odb_freshen_object(source->odb, oid))
    +-		return 0;
    +-	if (write_loose_object(source, oid, hdr, hdrlen, buf, len, 0, flags))
    +-		return -1;
    +-	if (compat)
    +-		return repo_add_loose_object_map(source, oid, &compat_oid);
    +-	return 0;
    +-}
    +-
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + int force_object_loose(struct odb_source *source,
    + 		       const struct object_id *oid, time_t mtime)
    + {
    +
    + ## object-file.h ##
    + remerge CONFLICT (content): Merge conflict in object-file.h
    + index ca175bf98c..2b361a2fe1 100644
    + --- object-file.h
    + +++ object-file.h
    +@@ object-file.h: struct odb_source;
    +  * `force_object_loose()` generic and is thus postponed to a later point in
    +  * time.
    +  */
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + int odb_source_loose_write_stream(struct odb_source_loose *source,
    +-=======
    +-int odb_source_loose_has_object(struct odb_source *source,
    +-				const struct object_id *oid);
    +-
    +-int odb_source_loose_freshen_object(struct odb_source *source,
    +-				    const struct object_id *oid);
    +-
    +-int odb_source_loose_write_object(struct odb_source *source,
    +-				  const void *buf, size_t len,
    +-				  enum object_type type, struct object_id *oid,
    +-				  struct object_id *compat_oid_in,
    +-				  enum odb_write_object_flags flags);
    +-
    +-int odb_source_loose_write_stream(struct odb_source *source,
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + 				  struct odb_write_stream *stream, size_t len,
    + 				  struct object_id *oid);
    + 
    +
    + ## sideband.c ##
    + remerge CONFLICT (content): Merge conflict in sideband.c
    + index 4530403a58..58a9378937 100644
    + --- sideband.c
    + +++ sideband.c
    +@@ sideband.c: static struct keyword_entry keywords[] = {
    + };
    + 
    + static enum {
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + 	ALLOW_CONTROL_SEQUENCES_UNSET = -1,
    + 	ALLOW_NO_CONTROL_CHARACTERS   = 0,
    + 	ALLOW_ANSI_COLOR_SEQUENCES    = 1<<0,
    +@@ sideband.c: void sideband_apply_url_config(const char *url)
    + 	string_list_clear(&config.vars, 1);
    + 	urlmatch_config_release(&config);
    + }
    +-=======
    +-	ALLOW_NO_CONTROL_CHARACTERS = 0,
    +-	ALLOW_ALL_CONTROL_CHARACTERS = 1,
    +-	ALLOW_ANSI_COLOR_SEQUENCES = 2
    +-} allow_control_characters = ALLOW_ANSI_COLOR_SEQUENCES;
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + 
    + /* Returns a color setting (GIT_COLOR_NEVER, etc). */
    + static enum git_colorbool use_sideband_colors(void)
    +@@ sideband.c: static enum git_colorbool use_sideband_colors(void)
    + 	if (use_sideband_colors_cached != GIT_COLOR_UNKNOWN)
    + 		return use_sideband_colors_cached;
    + 
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + 	if (allow_control_characters == ALLOW_CONTROL_SEQUENCES_UNSET) {
    + 		if (!repo_config_get_value(the_repository, "sideband.allowcontrolcharacters", &value))
    + 			sideband_allow_control_characters_config("sideband.allowcontrolcharacters", value);
    + 
    + 		if (allow_control_characters == ALLOW_CONTROL_SEQUENCES_UNSET)
    + 			allow_control_characters = ALLOW_DEFAULT_ANSI_SEQUENCES;
    +-=======
    +-	switch (repo_config_get_maybe_bool(the_repository, "sideband.allowcontrolcharacters", &i)) {
    +-	case 0: /* Boolean value */
    +-		allow_control_characters = i ? ALLOW_ALL_CONTROL_CHARACTERS :
    +-			ALLOW_NO_CONTROL_CHARACTERS;
    +-		break;
    +-	case -1: /* non-Boolean value */
    +-		if (repo_config_get_string_tmp(the_repository, "sideband.allowcontrolcharacters",
    +-					      &value))
    +-			; /* huh? `get_maybe_bool()` returned -1 */
    +-		else if (!strcmp(value, "color"))
    +-			allow_control_characters = ALLOW_ANSI_COLOR_SEQUENCES;
    +-		else
    +-			warning(_("unrecognized value for `sideband."
    +-				  "allowControlCharacters`: '%s'"), value);
    +-		break;
    +-	default:
    +-		break; /* not configured */
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + 	}
    + 
    + 	if (!repo_config_get_string_tmp(the_repository, key, &value))
    +@@ sideband.c: void list_config_color_sideband_slots(struct string_list *list, const char *pref
    + 		list_config_item(list, prefix, keywords[i].keyword);
    + }
    + 
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + static int handle_ansi_sequence(struct strbuf *dest, const char *src, int n)
    +-=======
    +-static int handle_ansi_color_sequence(struct strbuf *dest, const char *src, int n)
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + {
    + 	int i;
    + 
    +@@ sideband.c: static int handle_ansi_color_sequence(struct strbuf *dest, const char *src, int
    + 	 * Valid ANSI color sequences are of the form
    + 	 *
    + 	 * ESC [ [<n> [; <n>]*] m
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + 	 *
    + 	 * These are part of the Select Graphic Rendition sequences which
    + 	 * contain more than just color sequences, for more details see
    +@@ sideband.c: static int handle_ansi_color_sequence(struct strbuf *dest, const char *src, int
    + 		     strchr("ABCDEFGHf", src[i])) ||
    + 		    ((allow_control_characters & ALLOW_ANSI_ERASE) &&
    + 		     strchr("JKMPX", src[i]))) {
    +-=======
    +-	 */
    +-
    +-	if (allow_control_characters != ALLOW_ANSI_COLOR_SEQUENCES ||
    +-	    n < 3 || src[0] != '\x1b' || src[1] != '[')
    +-		return 0;
    +-
    +-	for (i = 2; i < n; i++) {
    +-		if (src[i] == 'm') {
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + 			strbuf_add(dest, src, i + 1);
    + 			return i;
    + 		}
    +@@ sideband.c: static void strbuf_add_sanitized(struct strbuf *dest, const char *src, int n)
    + {
    + 	int i;
    + 
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + 	if ((allow_control_characters & ALLOW_ALL_CONTROL_CHARACTERS)) {
    +-=======
    +-	if (allow_control_characters == ALLOW_ALL_CONTROL_CHARACTERS) {
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + 		strbuf_add(dest, src, n);
    + 		return;
    + 	}
    + 
    + 	strbuf_grow(dest, n);
    + 	for (; n && *src; src++, n--) {
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + 		if (!iscntrl(*src) || *src == '\t' || *src == '\n') {
    + 			strbuf_addch(dest, *src);
    + 		} else if (allow_control_characters != ALLOW_NO_CONTROL_CHARACTERS &&
    + 			   (i = handle_ansi_sequence(dest, src, n))) {
    +-=======
    +-		if (!iscntrl(*src) || *src == '\t' || *src == '\n')
    +-			strbuf_addch(dest, *src);
    +-		else if ((i = handle_ansi_color_sequence(dest, src, n))) {
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + 			src += i;
    + 			n -= i;
    + 		} else {
    + 			strbuf_addch(dest, '^');
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + 			strbuf_addch(dest, *src == 0x7f ? '?' : 0x40 + *src);
    +-=======
    +-			strbuf_addch(dest, 0x40 + *src);
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + 		}
    + 	}
    + }
    +
    + ## t/meson.build ##
    + remerge CONFLICT (content): Merge conflict in t/meson.build
    + index 8c202e4d77..2bcdc945db 100644
    + --- t/meson.build
    + +++ t/meson.build
    +@@ t/meson.build: clar_test_suites = [
    +   'unit-tests/u-list-objects-filter-options.c',
    +   'unit-tests/u-mem-pool.c',
    +   'unit-tests/u-mingw.c',
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    +   'unit-tests/u-odb-inmemory.c',
    +-=======
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    +   'unit-tests/u-oid-array.c',
    +   'unit-tests/u-oidmap.c',
    +   'unit-tests/u-oidtree.c',
    +
    + ## t/t5409-colorize-remote-messages.sh ##
    + remerge CONFLICT (content): Merge conflict in t/t5409-colorize-remote-messages.sh
    + index 283f066f33..07cbc62736 100755
    + --- t/t5409-colorize-remote-messages.sh
    + +++ t/t5409-colorize-remote-messages.sh
    +@@ t/t5409-colorize-remote-messages.sh: test_expect_success 'fallback to color.ui' '
    + 	grep "<BOLD;RED>error<RESET>: error" decoded
    + '
    + 
    +-<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + if test_have_prereq WITH_BREAKING_CHANGES
    + then
    + 	TURN_ON_SANITIZING=already.turned=on
    +@@ t/t5409-colorize-remote-messages.sh: else
    + 	TURN_ON_SANITIZING=sideband.allowControlCharacters=color
    + fi
    + 
    +-================================
    +->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + test_expect_success 'disallow (color) control sequences in sideband' '
    + 	write_script .git/color-me-surprised <<-\EOF &&
    + 	printf "error: Have you \\033[31mread\\033[m this?\\a\\n" >&2
    + 	exec "$@"
    + 	EOF
    +-<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + 	test_config_global uploadPack.packObjectsHook ./color-me-surprised &&
    + 	test_commit need-at-least-one-commit &&
    + 
    + 	git -c $TURN_ON_SANITIZING clone --no-local . throw-away 2>stderr &&
    +-================================
    +-	test_config_global uploadPack.packObjectshook ./color-me-surprised &&
    +-	test_commit need-at-least-one-commit &&
    +-
    +-	git clone --no-local . throw-away 2>stderr &&
    +->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + 	test_decode_color <stderr >decoded &&
    + 	test_grep RED decoded &&
    + 	test_grep "\\^G" stderr &&
    +@@ t/t5409-colorize-remote-messages.sh: test_expect_success 'disallow (color) control sequences in sideband' '
    + 	test_file_not_empty actual
    + '
    + 
    +-<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + test_decode_csi() {
    + 	awk '{
    + 		while (match($0, /\033/) != 0) {
    +@@ t/t5409-colorize-remote-messages.sh: test_expect_success 'allow all control sequences for a specific URL' '
    + 	test_grep ! "\\^\\[\\[K" decoded
    + '
    + 
    +-================================
    +->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + test_done
    +
    + ## t/t5563-simple-http-auth.sh ##
    + remerge CONFLICT (content): Merge conflict in t/t5563-simple-http-auth.sh
    + index 0fd9c64b40..5ef770c4fc 100755
    + --- t/t5563-simple-http-auth.sh
    + +++ t/t5563-simple-http-auth.sh
    +@@ t/t5563-simple-http-auth.sh: test_expect_success 'access using three-legged auth' '
    + 	EOF
    + '
    + 
    +-<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    +-================================
    +-test_lazy_prereq NTLM 'curl --version | grep -q NTLM'
    +-
    +-test_expect_success NTLM 'access using NTLM auth' '
    +-	test_when_finished "per_test_cleanup" &&
    +-
    +-	set_credential_reply get <<-EOF &&
    +-	username=user
    +-	password=pwd
    +-	EOF
    +-
    +-	test_config_global credential.helper test-helper &&
    +-	test_must_fail env GIT_TRACE_CURL=1 git \
    +-		ls-remote "$HTTPD_URL/ntlm_auth/repo.git" 2>err &&
    +-	test_grep "allowNTLMAuth" err &&
    +-
    +-	# Can be enabled via config
    +-	GIT_TRACE_CURL=1 git -c http.$HTTPD_URL.allowNTLMAuth=true \
    +-		ls-remote "$HTTPD_URL/ntlm_auth/repo.git" &&
    +-
    +-	# Or via credential helper responding with ntlm=allow
    +-	set_credential_reply get <<-EOF &&
    +-	username=user
    +-	password=pwd
    +-	ntlm=allow
    +-	EOF
    +-
    +-	git ls-remote "$HTTPD_URL/ntlm_auth/repo.git"
    +-'
    +-
    +->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + test_lazy_prereq SPNEGO 'curl --version | grep -qi "SPNEGO\|GSS-API\|Kerberos\|negotiate"'
    + 
    + test_expect_success SPNEGO 'http.emptyAuth=auto attempts Negotiate before credential_fill' '
    +@@ t/t5563-simple-http-auth.sh: test_expect_success SPNEGO 'http.emptyAuth=false skips Negotiate' '
    + 	test_line_count = 1 actual_401s
    + '
    + 
    +-<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + test_lazy_prereq NTLM 'curl --version | grep -q NTLM'
    + 
    + test_expect_success NTLM 'access using NTLM auth' '
    +@@ t/t5563-simple-http-auth.sh: test_expect_success NTLM 'access using NTLM auth' '
    + 	git ls-remote "$HTTPD_URL/ntlm_auth/repo.git"
    + '
    + 
    +-================================
    +->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + test_done
    +
    + ## t/t9200-git-cvsexportcommit.sh ##
    + remerge CONFLICT (content): Merge conflict in t/t9200-git-cvsexportcommit.sh
    + index b7e1f285f1..e2a86d7a90 100755
    + --- t/t9200-git-cvsexportcommit.sh
    + +++ t/t9200-git-cvsexportcommit.sh
    +@@ t/t9200-git-cvsexportcommit.sh: case "$PWD" in
    + 	;;
    + esac
    + 
    +-<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + if ! cvs version >/dev/null 2>&1
    +-================================
    +-cvs >/dev/null 2>&1
    +-if test $? -ne 1
    +->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + then
    +     skip_all='skipping git cvsexportcommit tests, cvs not found'
    +     test_done
    +
    + ## t/test-lib.sh ##
    + remerge CONFLICT (content): Merge conflict in t/test-lib.sh
    + index a9e7137404..30a1681884 100644
    + --- t/test-lib.sh
    + +++ t/test-lib.sh
    +@@
    + # You should have received a copy of the GNU General Public License
    + # along with this program.  If not, see https://www.gnu.org/licenses/ .
    + 
    +-<<<<<<< 33bae605a0 (??? t5563: add tests for http.emptyAuth with Negotiate)
    + # Enable the use of errexit so that any unexpected failures will cause us to
    + # abort tests, even when outside of a specific test case.
    + #
    +@@ t/test-lib.sh: case "${GIT_TEST_USE_SET_E:-false}" in
    + 	;;
    + esac
    + 
    +-=======
    +->>>>>>> 35e8b3a205 (AGENTS.md: document `amend!`, fixup-only PRs, and direct GfW PRs)
    + # On Unix/Linux, the path separator is the colon, on other systems it
    + # may be different, though. On Windows, for example, it is a semicolon.
    + # If the PATH variable contains semicolons, it is pretty safe to assume

To: 88de53bb74 (AGENTS.md: document amend!, fixup-only PRs, and direct GfW PRs (git-for-windows#6232), 2026-05-26) (6c60a2ebe0..88de53bb74)

Statistics

Metric Count
Total conflicts 1
Skipped (upstreamed) 0
Resolved surgically 1
Range-diff (click to expand)

dscho and others added 30 commits May 26, 2026 14:59
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>
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>
To verify that the `clean` side of the `clean`/`smudge` filter code is
correct with regards to LLP64 (read: to ensure that `size_t` is used
instead of `unsigned long`), here is a test case using a trivial filter,
specifically _not_ writing anything to the object store to limit the
scope of the test case.

As in previous commits, the `big` file from previous test cases is
reused if available, to save setup time, otherwise re-generated.

Signed-off-by: Philip Oakley <philipoakley@iee.email>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Start work on a new 'git survey' command to scan the repository
for monorepo performance and scaling problems.  The goal is to
measure the various known "dimensions of scale" and serve as a
foundation for adding additional measurements as we learn more
about Git monorepo scaling problems.

The initial goal is to complement the scanning and analysis performed
by the GO-based 'git-sizer' (https://github.com/github/git-sizer) tool.
It is hoped that by creating a builtin command, we may be able to take
advantage of internal Git data structures and code that is not
accessible from GO to gain further insight into potential scaling
problems.

Co-authored-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Jeff Hostetler <git@jeffhostetler.com>
Signed-off-by: Derrick Stolee <stolee@gmail.com>
This is no longer true in general, not with supporting Clang out of the
box.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
By default we will scan all references in "refs/heads/", "refs/tags/"
and "refs/remotes/".

Add command line opts let the use ask for all refs or a subset of them
and to include a detached HEAD.

Signed-off-by: Jeff Hostetler <git@jeffhostetler.com>
Signed-off-by: Derrick Stolee <stolee@gmail.com>
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>
When 'git survey' provides information to the user, this will be presented
in one of two formats: plaintext and JSON. The JSON implementation will be
delayed until the functionality is complete for the plaintext format.

The most important parts of the plaintext format are headers specifying the
different sections of the report and tables providing concreted data.

Create a custom table data structure that allows specifying a list of
strings for the row values. When printing the table, check each column for
the maximum width so we can create a table of the correct size from the
start.

The table structure is designed to be flexible to the different kinds of
output that will be implemented in future changes.

Signed-off-by: Derrick Stolee <stolee@gmail.com>
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>
At the moment, nothing is obvious about the reason for the use of the
path-walk API, but this will become more prevelant in future iterations. For
now, use the path-walk API to sum up the counts of each kind of object.

For example, this is the reachable object summary output for my local repo:

REACHABLE OBJECT SUMMARY
========================
Object Type |  Count
------------+-------
       Tags |   1343
    Commits | 179344
      Trees | 314350
      Blobs | 184030

Signed-off-by: Derrick Stolee <stolee@gmail.com>
dscho and others added 30 commits May 26, 2026 14:59
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>
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>
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>
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>
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>
This was pull request git-for-windows#1645 from ZCube/master

Support windows container.

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 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>
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>
…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>
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>
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 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>
…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>
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>
Handle Ctrl+C in Git Bash nicely

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>
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>
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
In this time and age, AI is everywhere. However, it's sometimes not very
easy to use. For green-field projects it works quite a bit better than
for existing legacy projects. And Git's source code is _quite_ as legacy
code as they come... 😁

Now, the only way how AI can be used efficiently with legacy code
is by providing enough information by way of prompt context for the
AI to have a chance to make any sense of the code. The structure and
the architecture is, after all, not designed for AI, but rather the
opposite: By virtue of having grown organically over two decades, there
is no design that AI coding models would readily grasp.

So here is a document that describes all kinds of aspects about this
project. The idea is to help AI by providing information that it does
not have ingrained in its weights. The idea is to provide information
that a human prompter might take for granted, but no coding model will
have been trained on specifically.

Assisted-by: Claude Opus 4.5
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Add a README.md for GitHub goodness.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
…it-for-windows#6198)

AI-assisted contributions are a reality of open source in 2025 and
beyond. Contributors will use AI tools, and that includes the
maintainers themselves. Over recent months, I have found AI increasingly
useful for the kind of menial, tedious work that does not require much
creativity but is highly boring when done by hand: resolving merge
conflicts during merging-rebases, chasing down CI failures across
platforms, adapting downstream patches to upstream API changes.

To that end, I would like to have an `AGENTS.md` file in the code base
that helps any LLM to understand the context of the project.

A secondary goal of this is to preemptively help outside contributors.
The risk is not AI usage per se, but low-quality AI slop: contributions
where the human hits "accept" without sufficient context being available
to the model (and without proper review by the human, we've all been
there), resulting in changes that miss conventions, break patterns, or
misunderstand the project's architecture. Git's source code is about as
legacy as they come, having grown organically over two decades with no
design that AI coding models would readily grasp from a narrow code
sample alone.

This `AGENTS.md` is designed to raise the floor on AI-assisted
contributions by providing enough context that even when a human
contributor fails to steer carefully, the model has the information it
needs to produce something reasonable. It documents the repository
structure, build process, test conventions, the object model and ODB
internals, debugging techniques (Trace2, instrumenting tests, bisecting
failures), the merging-rebase workflow, conflict resolution patterns,
coding conventions (ASCII only, 80 columns, tabs), commit message
expectations, and the GitGitGadget contribution workflow. This is
information that a human might take for granted, but no coding model
will have been trained on specifically.

Similar `AGENTS.md` files have recently been added to other repositories
in the Git for Windows project:
[MINGW-packages](git-for-windows/MINGW-packages#194),
[git-for-windows.github.io](git-for-windows/git-for-windows.github.io#88)
and
[msys2-runtime](git-for-windows/msys2-runtime@1e0ff37).
The downstream NTLM topic (883674c, "t5563: verify that NTLM
authentication works") and upstream commit 7e98eb8 ("t5563: add
tests for http.emptyAuth with Negotiate") both added SPNEGO tests to
the end of t5563. When both topics landed in shears/seen, the SPNEGO
tests were duplicated: the first set appears before the NTLM tests
(from upstream), the second set after (from the downstream topic).

Since GIT_TRACE_CURL appends to the trace file rather than
overwriting it, the second set of tests sees the 401 responses from
both runs. Test 21 (auto mode) expects 3 lines in trace-auto but
finds 6 (3 + 3), and test 22 (false mode) expects 1 but finds 2
(1 + 1), causing all four macOS CI jobs to fail.

Remove the duplicate second set; the first (upstream) copy is
sufficient.

Assisted-by: Claude Opus 4.6
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
…-for-windows#6232)

This closes two gaps in the current `AGENTS.md` that came up while
drafting git-for-windows#6231 and git-for-windows#2104:

1. The `Fixup Commits` section only covered `fixup!`. `amend!` has
different semantics (replaces the target's commit message and combines
diffs to produce any final state), and the "amend! whose body is the
upstream commit and whose diff aligns the squashed result with that
upstream commit" pattern is precisely how the first commit of git-for-windows#6231
anticipates the in-flight nedmalloc removal in `seen` as `e576abb9f8`.
That pattern is undocumented today.

2. There is no top-level "Contributing to Git for Windows" section, only
"Contributing to Upstream Git via GitGitGadget". The cross-fork `gh pr
create` invocation, the conditions under which a PR is naturally a
fixup/amend-only series against existing thicket commits, and the
upstream-aligning `amend!` shape were all things I inferred from context
rather than the guide.

Add subsections that cover those gaps. Nothing in the existing text
changes.
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