diff --git a/Documentation/config.txt b/Documentation/config.txt index eb66a11975..b25f1c0dc4 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -909,6 +909,12 @@ relatively high IO latencies. When enabled, Git will do the index comparison to the filesystem data in parallel, allowing overlapping IO's. Defaults to true. +core.unsetenvvars:: + EXPERIMENTAL, Windows-only: comma-separated list of environment + variables' names that need to be unset before spawning any other + process. Defaults to `PERL5LIB` to account for the fact that Git + for Windows insists on using its own Perl interpreter. + core.createObject:: You can set this to 'link', in which case a hardlink followed by a delete of the source are used to make sure that object creation diff --git a/cache.h b/cache.h index 4d014541ab..f49d9fbac8 100644 --- a/cache.h +++ b/cache.h @@ -901,14 +901,6 @@ int use_optional_locks(void); extern char comment_line_char; extern int auto_comment_line_char; -/* Windows only */ -enum hide_dotfiles_type { - HIDE_DOTFILES_FALSE = 0, - HIDE_DOTFILES_TRUE, - HIDE_DOTFILES_DOTGITONLY -}; -extern enum hide_dotfiles_type hide_dotfiles; - enum log_refs_config { LOG_REFS_UNSET = -1, LOG_REFS_NONE = 0, diff --git a/compat/mingw.c b/compat/mingw.c index 858ca14a57..34731a4715 100644 --- a/compat/mingw.c +++ b/compat/mingw.c @@ -5,6 +5,7 @@ #include "../strbuf.h" #include "../run-command.h" #include "../cache.h" +#include "../config.h" #define HCAST(type, handle) ((type)(intptr_t)handle) @@ -202,6 +203,60 @@ static int ask_yes_no_if_possible(const char *format, ...) } } +/* Windows only */ +enum hide_dotfiles_type { + HIDE_DOTFILES_FALSE = 0, + HIDE_DOTFILES_TRUE, + HIDE_DOTFILES_DOTGITONLY +}; + +static enum hide_dotfiles_type hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; +static char *unset_environment_variables; + +int mingw_core_config(const char *var, const char *value, void *cb) +{ + if (!strcmp(var, "core.hidedotfiles")) { + if (value && !strcasecmp(value, "dotgitonly")) + hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; + else + hide_dotfiles = git_config_bool(var, value); + return 0; + } + + if (!strcmp(var, "core.unsetenvvars")) { + free(unset_environment_variables); + unset_environment_variables = xstrdup(value); + return 0; + } + + return 0; +} + +/* Normalizes NT paths as returned by some low-level APIs. */ +static wchar_t *normalize_ntpath(wchar_t *wbuf) +{ + int i; + /* fix absolute path prefixes */ + if (wbuf[0] == '\\') { + /* strip NT namespace prefixes */ + if (!wcsncmp(wbuf, L"\\??\\", 4) || + !wcsncmp(wbuf, L"\\\\?\\", 4)) + wbuf += 4; + else if (!wcsnicmp(wbuf, L"\\DosDevices\\", 12)) + wbuf += 12; + /* replace remaining '...UNC\' with '\\' */ + if (!wcsnicmp(wbuf, L"UNC\\", 4)) { + wbuf += 2; + *wbuf = '\\'; + } + } + /* convert backslashes to slashes */ + for (i = 0; wbuf[i]; i++) + if (wbuf[i] == '\\') + wbuf[i] = '/'; + return wbuf; +} + int mingw_unlink(const char *pathname) { int ret, tries = 0; @@ -887,8 +942,29 @@ struct tm *localtime_r(const time_t *timep, struct tm *result) char *mingw_getcwd(char *pointer, int len) { - wchar_t wpointer[MAX_PATH]; - if (!_wgetcwd(wpointer, ARRAY_SIZE(wpointer))) + wchar_t cwd[MAX_PATH], wpointer[MAX_PATH]; + DWORD ret = GetCurrentDirectoryW(ARRAY_SIZE(cwd), cwd); + + if (!ret || ret >= ARRAY_SIZE(cwd)) { + errno = ret ? ENAMETOOLONG : err_win_to_posix(GetLastError()); + return NULL; + } + ret = GetLongPathNameW(cwd, wpointer, ARRAY_SIZE(wpointer)); + if (!ret && GetLastError() == ERROR_ACCESS_DENIED) { + HANDLE hnd = CreateFileW(cwd, 0, + FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, + OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); + if (hnd == INVALID_HANDLE_VALUE) + return NULL; + ret = GetFinalPathNameByHandleW(hnd, wpointer, ARRAY_SIZE(wpointer), 0); + CloseHandle(hnd); + if (!ret || ret >= ARRAY_SIZE(wpointer)) + return NULL; + if (xwcstoutf(pointer, normalize_ntpath(wpointer), len) < 0) + return NULL; + return pointer; + } + if (!ret || ret >= ARRAY_SIZE(wpointer)) return NULL; if (xwcstoutf(pointer, wpointer, len) < 0) return NULL; @@ -1080,6 +1156,27 @@ static wchar_t *make_environment_block(char **deltaenv) return wenvblk; } +static void do_unset_environment_variables(void) +{ + static int done; + char *p = unset_environment_variables; + + if (done || !p) + return; + done = 1; + + for (;;) { + char *comma = strchr(p, ','); + + if (comma) + *comma = '\0'; + unsetenv(p); + if (!comma) + break; + p = comma + 1; + } +} + struct pinfo_t { struct pinfo_t *next; pid_t pid; @@ -1098,9 +1195,12 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **deltaen wchar_t wcmd[MAX_PATH], wdir[MAX_PATH], *wargs, *wenvblk = NULL; unsigned flags = CREATE_UNICODE_ENVIRONMENT; BOOL ret; + HANDLE cons; + + do_unset_environment_variables(); /* Determine whether or not we are associated to a console */ - HANDLE cons = CreateFile("CONOUT$", GENERIC_WRITE, + cons = CreateFile("CONOUT$", GENERIC_WRITE, FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if (cons == INVALID_HANDLE_VALUE) { @@ -2291,6 +2391,8 @@ void mingw_startup(void) /* fix Windows specific environment settings */ setup_windows_environment(); + unset_environment_variables = xstrdup("PERL5LIB"); + /* initialize critical section for waitpid pinfo_t list */ InitializeCriticalSection(&pinfo_cs); diff --git a/compat/mingw.h b/compat/mingw.h index 571019d0bd..908279decc 100644 --- a/compat/mingw.h +++ b/compat/mingw.h @@ -11,6 +11,9 @@ typedef _sigset_t sigset_t; #undef _POSIX_THREAD_SAFE_FUNCTIONS #endif +extern int mingw_core_config(const char *var, const char *value, void *cb); +#define platform_core_config mingw_core_config + /* * things that are not available in header files */ diff --git a/compat/poll/poll.c b/compat/poll/poll.c index 7ed3fbbea1..ad5dcde439 100644 --- a/compat/poll/poll.c +++ b/compat/poll/poll.c @@ -29,9 +29,6 @@ #include -/* Specification. */ -#include - #include #include #include @@ -55,6 +52,9 @@ # include #endif +/* Specification. */ +#include "poll.h" + #ifdef HAVE_SYS_IOCTL_H # include #endif diff --git a/compat/poll/poll.h b/compat/poll/poll.h index cd1995292a..1e1597360f 100644 --- a/compat/poll/poll.h +++ b/compat/poll/poll.h @@ -21,6 +21,21 @@ #ifndef _GL_POLL_H #define _GL_POLL_H +#if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x600 +/* Vista has its own, socket-only poll() */ +#undef POLLIN +#undef POLLPRI +#undef POLLOUT +#undef POLLERR +#undef POLLHUP +#undef POLLNVAL +#undef POLLRDNORM +#undef POLLRDBAND +#undef POLLWRNORM +#undef POLLWRBAND +#define pollfd compat_pollfd +#endif + /* fake a poll(2) environment */ #define POLLIN 0x0001 /* any readable data available */ #define POLLPRI 0x0002 /* OOB/Urgent readable data */ diff --git a/config.c b/config.c index 3461993f0a..221de4bc0f 100644 --- a/config.c +++ b/config.c @@ -1093,7 +1093,7 @@ int git_config_color(char *dest, const char *var, const char *value) return 0; } -static int git_default_core_config(const char *var, const char *value) +static int git_default_core_config(const char *var, const char *value, void *cb) { /* This needs a better name */ if (!strcmp(var, "core.filemode")) { @@ -1344,14 +1344,6 @@ static int git_default_core_config(const char *var, const char *value) return 0; } - if (!strcmp(var, "core.hidedotfiles")) { - if (value && !strcasecmp(value, "dotgitonly")) - hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; - else - hide_dotfiles = git_config_bool(var, value); - return 0; - } - if (!strcmp(var, "core.partialclonefilter")) { return git_config_string(&core_partial_clone_filter_default, var, value); @@ -1363,7 +1355,7 @@ static int git_default_core_config(const char *var, const char *value) } /* Add other config variables here and to Documentation/config.txt. */ - return 0; + return platform_core_config(var, value, cb); } static int git_default_i18n_config(const char *var, const char *value) @@ -1448,13 +1440,13 @@ static int git_default_mailmap_config(const char *var, const char *value) return 0; } -int git_default_config(const char *var, const char *value, void *dummy) +int git_default_config(const char *var, const char *value, void *cb) { if (starts_with(var, "core.")) - return git_default_core_config(var, value); + return git_default_core_config(var, value, cb); if (starts_with(var, "user.")) - return git_ident_config(var, value, dummy); + return git_ident_config(var, value, cb); if (starts_with(var, "i18n.")) return git_default_i18n_config(var, value); diff --git a/config.mak.uname b/config.mak.uname index e47af72e01..8acdeb71fd 100644 --- a/config.mak.uname +++ b/config.mak.uname @@ -381,8 +381,6 @@ ifeq ($(uname_S),Windows) NO_PYTHON = YesPlease BLK_SHA1 = YesPlease ETAGS_TARGET = ETAGS - NO_INET_PTON = YesPlease - NO_INET_NTOP = YesPlease NO_POSIX_GOODIES = UnfortunatelyYes NATIVE_CRLF = YesPlease DEFAULT_HELP_FORMAT = html @@ -529,8 +527,6 @@ ifneq (,$(findstring MINGW,$(uname_S))) NO_REGEX = YesPlease NO_PYTHON = YesPlease ETAGS_TARGET = ETAGS - NO_INET_PTON = YesPlease - NO_INET_NTOP = YesPlease NO_POSIX_GOODIES = UnfortunatelyYes DEFAULT_HELP_FORMAT = html COMPAT_CFLAGS += -DNOGDI -Icompat -Icompat/win32 diff --git a/environment.c b/environment.c index 3f3c8746c2..30ecd4e784 100644 --- a/environment.c +++ b/environment.c @@ -71,7 +71,6 @@ int core_apply_sparse_checkout; int merge_log_config = -1; int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */ unsigned long pack_size_limit_cfg; -enum hide_dotfiles_type hide_dotfiles = HIDE_DOTFILES_DOTGITONLY; enum log_refs_config log_all_ref_updates = LOG_REFS_UNSET; #ifndef PROTECT_HFS_DEFAULT diff --git a/git-compat-util.h b/git-compat-util.h index 5f2e90932f..77deb0bc66 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -146,8 +146,8 @@ #define _SGI_SOURCE 1 #if defined(WIN32) && !defined(__CYGWIN__) /* Both MinGW and MSVC */ -# if defined (_MSC_VER) && !defined(_WIN32_WINNT) -# define _WIN32_WINNT 0x0502 +# if !defined(_WIN32_WINNT) +# define _WIN32_WINNT 0x0600 # endif #define WIN32_LEAN_AND_MEAN /* stops windows.h including winsock.h */ #include @@ -342,6 +342,14 @@ typedef uintmax_t timestamp_t; #define _PATH_DEFPATH "/usr/local/bin:/usr/bin:/bin" #endif +#ifndef platform_core_config +static inline int noop_core_config(const char *var, const char *value, void *cb) +{ + return 0; +} +#define platform_core_config noop_core_config +#endif + #ifndef has_dos_drive_prefix static inline int git_has_dos_drive_prefix(const char *path) { diff --git a/t/t0029-core-unsetenvvars.sh b/t/t0029-core-unsetenvvars.sh new file mode 100755 index 0000000000..24ce46a6ea --- /dev/null +++ b/t/t0029-core-unsetenvvars.sh @@ -0,0 +1,30 @@ +#!/bin/sh + +test_description='test the Windows-only core.unsetenvvars setting' + +. ./test-lib.sh + +if ! test_have_prereq MINGW +then + skip_all='skipping Windows-specific tests' + test_done +fi + +test_expect_success 'setup' ' + mkdir -p "$TRASH_DIRECTORY/.git/hooks" && + write_script "$TRASH_DIRECTORY/.git/hooks/pre-commit" <<-\EOF + echo $HOBBES >&2 + EOF +' + +test_expect_success 'core.unsetenvvars works' ' + HOBBES=Calvin && + export HOBBES && + git commit --allow-empty -m with 2>err && + grep Calvin err && + git -c core.unsetenvvars=FINDUS,HOBBES,CALVIN \ + commit --allow-empty -m without 2>err && + ! grep Calvin err +' + +test_done