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Merge pull request #2615 from ethomson/mount_points

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Mount points
This commit is contained in:
Edward Thomson 2014-10-13 16:52:44 -04:00
commit c6e2621052
2 changed files with 36 additions and 15 deletions
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14
src/path.c
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@ -515,8 +515,19 @@ bool git_path_is_empty_dir(const char *path)
WIN32_FIND_DATAW findData;
HANDLE hFind = FindFirstFileW(filter_w, &findData);
/* FindFirstFile will fail if there are no children to the given
* path, which can happen if the given path is a file (and obviously
* has no children) or if the given path is an empty mount point.
* (Most directories have at least directory entries '.' and '..',
* but ridiculously another volume mounted in another drive letter's
* path space do not, and thus have nothing to enumerate.) If
* FindFirstFile fails, check if this is a directory-like thing
* (a mount point).
*/
if (hFind == INVALID_HANDLE_VALUE)
return git_path_isdir(path);
/* If the find handle was created successfully, then it's a directory */
if (hFind != INVALID_HANDLE_VALUE) {
empty = true;
do {
@ -532,7 +543,6 @@ bool git_path_is_empty_dir(const char *path)
FindClose(hFind);
}
}
return empty;
}

13
src/win32/posix_w32.c
View File

@ -131,6 +131,11 @@ GIT_INLINE(time_t) filetime_to_time_t(const FILETIME *ft)
return (time_t)winTime;
}
static bool path_is_volume(wchar_t *target, size_t target_len)
{
return (target_len && wcsncmp(target, L"\\??\\Volume{", 11) == 0);
}
/* On success, returns the length, in characters, of the path stored in dest.
* On failure, returns a negative value. */
static int readlink_w(
@ -177,7 +182,13 @@ static int readlink_w(
goto on_error;
}
if (target_len) {
if (path_is_volume(target, target_len)) {
/* This path is a reparse point that represents another volume mounted
* at this location, it is not a symbolic link our input was canonical.
*/
errno = EINVAL;
error = -1;
} else if (target_len) {
/* The path may need to have a prefix removed. */
target_len = git_win32__canonicalize_path(target, target_len);