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Merge topic 'windows-symlink-dir'

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5101d586c4 Windows: Prefer junctions for directory symlinks

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !7013
This commit is contained in:
Brad King
2022-03-02 12:50:53 +00:00
committed by Kitware Robot
parent 0f0e3a1aef 5101d586c4
commit 63a461d818
1 changed files with 12 additions and 2 deletions
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Source/cmSystemTools.cxx
+12 -2
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@@ -3314,12 +3314,22 @@ cmsys::Status cmSystemTools::CreateSymlink(std::string const& origName,
uv_fs_t req;
int flags = 0;
#if defined(_WIN32)
if (cmsys::SystemTools::FileIsDirectory(origName)) {
flags |= UV_FS_SYMLINK_DIR;
bool const isDir = cmsys::SystemTools::FileIsDirectory(origName);
if (isDir) {
flags |= UV_FS_SYMLINK_JUNCTION;
}
#endif
int err = uv_fs_symlink(nullptr, &req, origName.c_str(), newName.c_str(),
flags, nullptr);
#if defined(_WIN32)
if (err && uv_fs_get_system_error(&req) == ERROR_NOT_SUPPORTED && isDir) {
// Try fallback to symlink for network (requires additional permissions).
flags ^= UV_FS_SYMLINK_JUNCTION | UV_FS_SYMLINK_DIR;
err = uv_fs_symlink(nullptr, &req, origName.c_str(), newName.c_str(),
flags, nullptr);
}
#endif
cmsys::Status status;
if (err) {
#if defined(_WIN32)