int win32_find_system_file_using_path(git_buf *path, const char *filename)
{
wchar_t * env = NULL;
struct win32_path root;
env = _wgetenv(L"PATH");
if (!env)
return -1;
// search in all paths defined in PATH
while ((env = win32_nextpath(env, root.path, MAX_PATH - 1)) != NULL && *root.path)
{
wchar_t * pfin = root.path + wcslen(root.path) - 1; // last char of the current path entry
// ensure trailing slash
if (*pfin != L'/' && *pfin != L'\\')
wcscpy(++pfin, L"\\"); // we have enough space left, MAX_PATH - 1 is used in nextpath above
root.len = (DWORD)wcslen(root.path) + 1;
if (win32_find_file(path, &root, "git.cmd") == 0 || win32_find_file(path, &root, "git.exe") == 0) {
// we found the cmd or bin directory of a git installaton
if (root.len > 5) {
wcscpy(root.path + wcslen(root.path) - 4, L"etc\\");
if (win32_find_file(path, &root, filename) == 0)
return 0;
}
}
}
return GIT_ENOTFOUND;
}
int git_futils_find_system_file(git_buf *path, const char *filename)
{
#ifdef GIT_WIN32
struct win32_path root;
if (win32_expand_path(&root, L"%PROGRAMFILES%\\Git\\etc\\") < 0 ||
root.path[0] == L'%') /* i.e. no expansion happened */
{
giterr_set(GITERR_OS, "Cannot locate the system's Program Files directory");
return -1;
}
if (win32_find_file(path, &root, filename) < 0) {
git_buf_clear(path);
return GIT_ENOTFOUND;
}
return 0;
#else
if (git_buf_joinpath(path, "/etc", filename) < 0)
return -1;
if (git_path_exists(path->ptr) == true)
return 0;
git_buf_clear(path);
return GIT_ENOTFOUND;
#endif
}
int git_futils_find_global_file(git_buf *path, const char *filename)
{
#ifdef GIT_WIN32
struct win32_path root;
static const wchar_t *tmpls[4] = {
L"%HOME%\\",
L"%HOMEDRIVE%%HOMEPATH%\\",
L"%USERPROFILE%\\",
NULL,
};
const wchar_t **tmpl;
for (tmpl = tmpls; *tmpl != NULL; tmpl++) {
/* try to expand environment variable, skipping if not set */
if (win32_expand_path(&root, *tmpl) != 0 || root.path[0] == L'%')
continue;
/* try to look up file under path */
if (!win32_find_file(path, &root, filename))
return 0;
/* No error if file not found under %HOME%, b/c we don't trust it,
* but do error if another var is set and yet file is not found.
*/
if (tmpl != tmpls)
break;
}
giterr_set(GITERR_OS, "The global file '%s' doesn't exist", filename);
git_buf_clear(path);
return GIT_ENOTFOUND;
#else
const char *home = getenv("HOME");
if (home == NULL) {
giterr_set(GITERR_OS, "Global file lookup failed. "
"Cannot locate the user's home directory");
return GIT_ENOTFOUND;
}
if (git_buf_joinpath(path, home, filename) < 0)
return -1;
if (git_path_exists(path->ptr) == false) {
giterr_set(GITERR_OS, "The global file '%s' doesn't exist", filename);
git_buf_clear(path);
return GIT_ENOTFOUND;
}
return 0;
#endif
}
int win32_find_system_file_using_registry(git_buf *path, const char *filename)
{
struct win32_path root;
if (win32_find_msysgit_in_registry(&root, HKEY_CURRENT_USER, REG_MSYSGIT_INSTALL_LOCAL)) {
if (win32_find_msysgit_in_registry(&root, HKEY_LOCAL_MACHINE, REG_MSYSGIT_INSTALL)) {
giterr_set(GITERR_OS, "Cannot locate the system's msysgit directory");
return -1;
}
}
if (win32_find_file(path, &root, filename) < 0) {
giterr_set(GITERR_OS, "The system file '%s' doesn't exist", filename);
git_buf_clear(path);
return GIT_ENOTFOUND;
}
return 0;
}
int win32_find_system_file_using_registry(git_buf *path, const char *filename)
{
struct win32_path root;
HKEY hKey;
DWORD dwType = REG_SZ;
DWORD dwSize = MAX_PATH;
root.len = 0;
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, REG_MSYSGIT_INSTALL, 0, KEY_ALL_ACCESS, &hKey) == ERROR_SUCCESS)
{
if (RegQueryValueExW(hKey, L"InstallLocation", NULL, &dwType,(LPBYTE)&root.path, &dwSize) == ERROR_SUCCESS)
{
// InstallLocation points to the root of the msysgit directory
if (dwSize + 4 > MAX_PATH) // 4 = wcslen(L"etc\\")
{
giterr_set(GITERR_OS, "Cannot locate the system's msysgit directory - path too long");
return -1;
}
wcscat(root.path, L"etc\\");
root.len = (DWORD)wcslen(root.path) + 1;
}
}
RegCloseKey(hKey);
if (!root.len) {
giterr_set(GITERR_OS, "Cannot locate the system's msysgit directory");
return -1;
}
if (win32_find_file(path, &root, filename) < 0) {
giterr_set(GITERR_OS, "The system file '%s' doesn't exist", filename);
git_buf_clear(path);
return GIT_ENOTFOUND;
}
return 0;
}
int git_futils_find_global_file(git_buf *path, const char *filename)
{
#ifdef GIT_WIN32
struct win32_path root;
if (win32_expand_path(&root, L"%USERPROFILE%\\") < 0 ||
root.path[0] == L'%') /* i.e. no expansion happened */
{
giterr_set(GITERR_OS, "Cannot locate the user's profile directory");
return -1;
}
if (win32_find_file(path, &root, filename) < 0) {
git_buf_clear(path);
return GIT_ENOTFOUND;
}
return 0;
#else
const char *home = getenv("HOME");
if (home == NULL) {
giterr_set(GITERR_OS, "Global file lookup failed. "
"Cannot locate the user's home directory");
return -1;
}
if (git_buf_joinpath(path, home, filename) < 0)
return -1;
if (git_path_exists(path->ptr) == false) {
git_buf_clear(path);
return GIT_ENOTFOUND;
}
return 0;
#endif
}