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Re: [PATCH 1/1] mingw: handle absolute paths in expand_user_path()

Am 06.11.18 um 15:53 schrieb Johannes Schindelin via GitGitGadget:
From: Johannes Schindelin <johannes.schindelin@xxxxxx>

On Windows, an absolute POSIX path needs to be turned into a Windows

If I were picky, I would say that in a pure Windows application there cannot be POSIX paths to begin with.

Even if a path looks like a POSIX paths, i.e. it starts with a directory separator, but not with drive-letter-colon, it still has a particular meaning, namely (as far as I know) that the path is anchored at the root of the drive of the current working directory.

If a user specifies such a path on Windows, and it must undergo expand_user_path(), then that is a user error, or the user knows what they are doing.

I think it is wrong to interpret such a path as relative to some random other directory, like this patch seems to do.

Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx>
  path.c | 5 +++++
  1 file changed, 5 insertions(+)

diff --git a/path.c b/path.c
index 34f0f98349..a72abf0e1f 100644
--- a/path.c
+++ b/path.c
@@ -11,6 +11,7 @@
  #include "path.h"
  #include "packfile.h"
  #include "object-store.h"
+#include "exec-cmd.h"
static int get_st_mode_bits(const char *path, int *mode)
@@ -709,6 +710,10 @@ char *expand_user_path(const char *path, int real_home)
if (path == NULL)
  		goto return_null;
+#ifdef __MINGW32__
+	if (path[0] == '/')
+		return system_path(path + 1);
  	if (path[0] == '~') {
  		const char *first_slash = strchrnul(path, '/');
  		const char *username = path + 1;