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| author | Torsten Bögershausen <tboegi@web.de> | 2013-03-23 13:40:29 +0100 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2013-03-25 14:57:33 -0700 |
| commit | 0117c2f043183fb99e9b046b0df7d64c1b296624 (patch) | |
| tree | a14923132f37710b05f36e596cc8cd9acff23517 /compat | |
| parent | 7b592fadf1e23b10b913e0771b9f711770597266 (diff) | |
| download | git-0117c2f043183fb99e9b046b0df7d64c1b296624.tar.gz | |
Make core.sharedRepository work under cygwin 1.7
When core.sharedRepository is used, set_shared_perm() in path.c
needs lstat() to return the correct POSIX permissions.
The default for cygwin is core.ignoreCygwinFSTricks = false, which
means that the fast implementation in do_stat() is used instead of
lstat().
lstat() under cygwin uses the Windows security model to implement
POSIX-like permissions. The user, group or everyone bits can be set
individually.
do_stat() simplifes the file permission bits, and may return a wrong
value. The read-only attribute of a file is used to calculate the
permissions, resulting in either rw-r--r-- or r--r--r--
One effect of the simplified do_stat() is that t1301 fails.
Add a function cygwin_get_st_mode_bits() which returns the POSIX
permissions. When not compiling for cygwin, true_mode_bits() in
path.c is used.
Side note:
t1301 passes under cygwin 1.5.
The "user write" bit is synchronized with the "read only" attribute
of a file:
$ chmod 444 x
$ attrib x
A R C:\temp\pt\x
cygwin 1.7 would show
A C:\temp\pt\x
Signed-off-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'compat')
| -rw-r--r-- | compat/cygwin.c | 13 | ||||
| -rw-r--r-- | compat/cygwin.h | 5 |
2 files changed, 18 insertions, 0 deletions
diff --git a/compat/cygwin.c b/compat/cygwin.c index 5428858875..871b41d23a 100644 --- a/compat/cygwin.c +++ b/compat/cygwin.c @@ -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) + diff --git a/compat/cygwin.h b/compat/cygwin.h index a3229f5b4f..c04965a2e0 100644 --- a/compat/cygwin.h +++ b/compat/cygwin.h @@ -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 |