path.c: refactor relative_path(), not only strip prefix

diff --git a/compat/cygwin.c b/compat/cygwin.c
index b38dbd7f8fb557b3cf70aef29ec173afc106d5fc..871b41d23a7471724a0446ff3333b577a175c579 100644 (file)
--- a/compat/cygwin.c
+++ b/compat/cygwin.c
@@ -1,8 +1,28 @@
+#define CYGWIN_C
 #define WIN32_LEAN_AND_MEAN
+#ifdef CYGWIN_V15_WIN32API
 #include "../git-compat-util.h"
 #include "win32.h"
+#else
+#include <sys/stat.h>
+#include <sys/errno.h>
+#include "win32.h"
+#include "../git-compat-util.h"
+#endif
 #include "../cache.h" /* to read configuration */
 
+/*
+ * Return POSIX permission bits, regardless of core.ignorecygwinfstricks
+ */
+int cygwin_get_st_mode_bits(const char *path, int *mode)
+{
+       struct stat st;
+       if (lstat(path, &st) < 0)
+               return -1;
+       *mode = st.st_mode;
+       return 0;
+}
+
 static inline void filetime_to_timespec(const FILETIME *ft, struct timespec *ts)
 {
        long long winTime = ((long long)ft->dwHighDateTime << 32) +
@@ -101,7 +121,7 @@ static int cygwin_stat(const char *path, struct stat *buf)
  * and calling git_default_config() from here would break such variables.
  */
 static int native_stat = 1;
-static int core_filemode;
+static int core_filemode = 1; /* matches trust_executable_bit default */
 
 static int git_cygwin_config(const char *var, const char *value, void *cb)
 {