f394e093df
Dozens of files made use of gettext functions, without explicitly including gettext.h. This made it more difficult to find which files could remove a dependence on cache.h. Make C files explicitly include gettext.h if they are using it. However, while compat/fsmonitor/fsm-ipc-darwin.c should also gain an include of gettext.h, it was left out to avoid conflicting with an in-flight topic. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
147 lines
3.3 KiB
C
147 lines
3.3 KiB
C
#include "cache.h"
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#include "fsmonitor.h"
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#include "fsmonitor-path-utils.h"
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#include "gettext.h"
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/*
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* Check remote working directory protocol.
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*
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* Return -1 if client machine cannot get remote protocol information.
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*/
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static int check_remote_protocol(wchar_t *wpath)
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{
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HANDLE h;
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FILE_REMOTE_PROTOCOL_INFO proto_info;
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h = CreateFileW(wpath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING,
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FILE_FLAG_BACKUP_SEMANTICS, NULL);
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if (h == INVALID_HANDLE_VALUE) {
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error(_("[GLE %ld] unable to open for read '%ls'"),
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GetLastError(), wpath);
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return -1;
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}
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if (!GetFileInformationByHandleEx(h, FileRemoteProtocolInfo,
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&proto_info, sizeof(proto_info))) {
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error(_("[GLE %ld] unable to get protocol information for '%ls'"),
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GetLastError(), wpath);
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CloseHandle(h);
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return -1;
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}
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CloseHandle(h);
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trace_printf_key(&trace_fsmonitor,
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"check_remote_protocol('%ls') remote protocol %#8.8lx",
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wpath, proto_info.Protocol);
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return 0;
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}
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/*
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* Notes for testing:
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*
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* (a) Windows allows a network share to be mapped to a drive letter.
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* (This is the normal method to access it.)
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*
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* $ NET USE Z: \\server\share
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* $ git -C Z:/repo status
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*
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* (b) Windows allows a network share to be referenced WITHOUT mapping
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* it to drive letter.
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*
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* $ NET USE \\server\share\dir
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* $ git -C //server/share/repo status
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*
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* (c) Windows allows "SUBST" to create a fake drive mapping to an
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* arbitrary path (which may be remote)
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*
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* $ SUBST Q: Z:\repo
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* $ git -C Q:/ status
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*
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* (d) Windows allows a directory symlink to be created on a local
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* file system that points to a remote repo.
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*
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* $ mklink /d ./link //server/share/repo
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* $ git -C ./link status
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*/
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int fsmonitor__get_fs_info(const char *path, struct fs_info *fs_info)
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{
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wchar_t wpath[MAX_PATH];
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wchar_t wfullpath[MAX_PATH];
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size_t wlen;
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UINT driveType;
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/*
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* Do everything in wide chars because the drive letter might be
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* a multi-byte sequence. See win32_has_dos_drive_prefix().
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*/
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if (xutftowcs_path(wpath, path) < 0) {
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return -1;
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}
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/*
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* GetDriveTypeW() requires a final slash. We assume that the
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* worktree pathname points to an actual directory.
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*/
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wlen = wcslen(wpath);
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if (wpath[wlen - 1] != L'\\' && wpath[wlen - 1] != L'/') {
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wpath[wlen++] = L'\\';
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wpath[wlen] = 0;
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}
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/*
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* Normalize the path. If nothing else, this converts forward
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* slashes to backslashes. This is essential to get GetDriveTypeW()
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* correctly handle some UNC "\\server\share\..." paths.
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*/
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if (!GetFullPathNameW(wpath, MAX_PATH, wfullpath, NULL)) {
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return -1;
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}
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driveType = GetDriveTypeW(wfullpath);
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trace_printf_key(&trace_fsmonitor,
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"DriveType '%s' L'%ls' (%u)",
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path, wfullpath, driveType);
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if (driveType == DRIVE_REMOTE) {
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fs_info->is_remote = 1;
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if (check_remote_protocol(wfullpath) < 0)
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return -1;
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} else {
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fs_info->is_remote = 0;
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}
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trace_printf_key(&trace_fsmonitor,
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"'%s' is_remote: %d",
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path, fs_info->is_remote);
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return 0;
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}
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int fsmonitor__is_fs_remote(const char *path)
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{
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struct fs_info fs;
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if (fsmonitor__get_fs_info(path, &fs))
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return -1;
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return fs.is_remote;
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}
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/*
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* No-op for now.
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*/
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int fsmonitor__get_alias(const char *path, struct alias_info *info)
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{
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return 0;
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}
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/*
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* No-op for now.
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*/
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char *fsmonitor__resolve_alias(const char *path,
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const struct alias_info *info)
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{
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return NULL;
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}
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