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Merge branch 'tb/cygwin-shared-repository'

Browse source 
Cygwin port has a faster-but-lying lstat(2) emulation whose
incorrectness does not matter in practice except for a few
codepaths, and setting permission bits to directories is a codepath
that needs to use a more correct one.

* tb/cygwin-shared-repository:
  Make core.sharedRepository work under cygwin 1.7
This commit is contained in:
Junio C Hamano 2013-04-02 15:09:54 -07:00
commit 76d1ab30a3
4 changed files with 36 additions and 3 deletions
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13
compat/cygwin.c
View file

@ -1,3 +1,4 @@
#define CYGWIN_C
#define WIN32_LEAN_AND_MEAN
#ifdef CYGWIN_V15_WIN32API
#include "../git-compat-util.h"
@ -10,6 +11,18 @@
#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) +

5
compat/cygwin.h
View file

@ -4,6 +4,11 @@
typedef int (*stat_fn_t)(const char*, struct stat*);
extern stat_fn_t cygwin_stat_fn;
extern stat_fn_t cygwin_lstat_fn;
int cygwin_get_st_mode_bits(const char *path, int *mode);
#define get_st_mode_bits(p,m) cygwin_get_st_mode_bits((p),(m))
#ifndef CYGWIN_C
/* cygwin.c needs the original lstat() */
#define stat(path, buf) (*cygwin_stat_fn)(path, buf)
#define lstat(path, buf) (*cygwin_lstat_fn)(path, buf)
#endif

1
git-compat-util.h
View file

@ -163,6 +163,7 @@
typedef long intptr_t;
typedef unsigned long uintptr_t;
#endif
int get_st_mode_bits(const char *path, int *mode);
#if defined(__CYGWIN__)
#undef _XOPEN_SOURCE
#include <grp.h>

20
path.c
View file

@ -14,6 +14,22 @@
#include "strbuf.h"
#include "string-list.h"
#ifndef get_st_mode_bits
/*
* The replacement lstat(2) we use on Cygwin is incomplete and
* may return wrong permission bits. Most of the time we do not care,
* but the callsites of this wrapper do care.
*/
int 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;
}
#endif
static char bad_path[] = "/bad-path/";
static char *get_pathname(void)
@ -391,7 +407,6 @@ const char *enter_repo(const char *path, int strict)
int set_shared_perm(const char *path, int mode)
{
struct stat st;
int tweak, shared, orig_mode;
if (!shared_repository) {
@ -400,9 +415,8 @@ int set_shared_perm(const char *path, int mode)
return 0;
}
if (!mode) {
if (lstat(path, &st) < 0)
if (get_st_mode_bits(path, &mode) < 0)
return -1;
mode = st.st_mode;
orig_mode = mode;
} else
orig_mode = 0;