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Merge branch 'tb/shared-perm'

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Simplifies adjust_shared_perm() implementation.

* tb/shared-perm:
  path.c: optimize adjust_shared_perm()
  path.c: simplify adjust_shared_perm()
This commit is contained in:
Junio C Hamano 2013-04-07 14:33:11 -07:00
commit e65cdde454
2 changed files with 25 additions and 35 deletions
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3
cache.h
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@ -719,8 +719,7 @@ enum sharedrepo {
PERM_EVERYBODY = 0664
};
int git_config_perm(const char *var, const char *value);
int set_shared_perm(const char *path, int mode);
#define adjust_shared_perm(path) set_shared_perm((path), 0)
int adjust_shared_perm(const char *path);
int safe_create_leading_directories(char *path);
int safe_create_leading_directories_const(const char *path);
int mkdir_in_gitdir(const char *path);

57
path.c
View File

@ -1,14 +1,5 @@
/*
* I'm tired of doing "vsnprintf()" etc just to open a
* file, so here's a "return static buffer with printf"
* interface for paths.
*
* It's obviously not thread-safe. Sue me. But it's quite
* useful for doing things like
*
* f = open(mkpath("%s/%s.git", base, name), O_RDONLY);
*
* which is what it's designed for.
* Utilities for paths and pathnames
*/
#include "cache.h"
#include "strbuf.h"
@ -405,26 +396,14 @@ const char *enter_repo(const char *path, int strict)
return NULL;
}
int set_shared_perm(const char *path, int mode)
static int calc_shared_perm(int mode)
{
int tweak, shared, orig_mode;
int tweak;
if (!shared_repository) {
if (mode)
return chmod(path, mode & ~S_IFMT);
return 0;
}
if (!mode) {
if (get_st_mode_bits(path, &mode) < 0)
return -1;
orig_mode = mode;
} else
orig_mode = 0;
if (shared_repository < 0)
shared = -shared_repository;
tweak = -shared_repository;
else
shared = shared_repository;
tweak = shared;
tweak = shared_repository;
if (!(mode & S_IWUSR))
tweak &= ~0222;
@ -436,16 +415,28 @@ int set_shared_perm(const char *path, int mode)
else
mode |= tweak;
if (S_ISDIR(mode)) {
return mode;
}
int adjust_shared_perm(const char *path)
{
int old_mode, new_mode;
if (!shared_repository)
return 0;
if (get_st_mode_bits(path, &old_mode) < 0)
return -1;
new_mode = calc_shared_perm(old_mode);
if (S_ISDIR(old_mode)) {
/* Copy read bits to execute bits */
mode |= (shared & 0444) >> 2;
mode |= FORCE_DIR_SET_GID;
new_mode |= (new_mode & 0444) >> 2;
new_mode |= FORCE_DIR_SET_GID;
}
if (((shared_repository < 0
? (orig_mode & (FORCE_DIR_SET_GID | 0777))
: (orig_mode & mode)) != mode) &&
chmod(path, (mode & ~S_IFMT)) < 0)
if (((old_mode ^ new_mode) & ~S_IFMT) &&
chmod(path, (new_mode & ~S_IFMT)) < 0)
return -2;
return 0;
}