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| author | Hisham Muhammad <hisham@gobolinux.org> | 2019-04-01 16:27:08 -0300 |
|---|---|---|
| committer | Hisham Muhammad <hisham@gobolinux.org> | 2019-04-01 16:29:17 -0300 |
| commit | 7e9b7e08a8a31501189a32c60fb9cb7bc6b31b5e (patch) | |
| tree | a92f51e7ae906d74cfefee136afad997a9ce6319 /install.bat | |
| parent | 8283b817efd6fadad62794045d6bebad71e063cd (diff) | |
| download | luarocks-7e9b7e08a8a31501189a32c60fb9cb7bc6b31b5e.tar.gz luarocks-7e9b7e08a8a31501189a32c60fb9cb7bc6b31b5e.tar.bz2 luarocks-7e9b7e08a8a31501189a32c60fb9cb7bc6b31b5e.zip | |
fs: versions of exists, is_file, is_dir for Unix and Windows that do not fork
Implements versions of exists, is_file, is_dir for POSIX and Windows
using io.open only, based on the semantics of their error codes
on these platforms.
Drops the dependency on TEST.EXE on Windows.
Diffstat (limited to 'install.bat')
| -rw-r--r-- | install.bat | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/install.bat b/install.bat index a98b32fd..43b18e1d 100644 --- a/install.bat +++ b/install.bat | |||
| @@ -67,8 +67,17 @@ local function exec(cmd) | |||
| 67 | end | 67 | end |
| 68 | 68 | ||
| 69 | local function exists(filename) | 69 | local function exists(filename) |
| 70 | local cmd = [[.\win32\tools\test -e "]]..filename..[["]] | 70 | local fd, _, code = io.open(filename, "r") |
| 71 | return exec(cmd) | 71 | if code == 13 then |
| 72 | -- code 13 means "Permission denied" on both Unix and Windows | ||
| 73 | -- io.open on folders always fails with code 13 on Windows | ||
| 74 | return true | ||
| 75 | end | ||
| 76 | if fd then | ||
| 77 | fd:close() | ||
| 78 | return true | ||
| 79 | end | ||
| 80 | return false | ||
| 72 | end | 81 | end |
| 73 | 82 | ||
| 74 | local function mkdir (dir) | 83 | local function mkdir (dir) |