diff options
Diffstat (limited to 'path.c')
| -rw-r--r-- | path.c | 57 |
1 files changed, 24 insertions, 33 deletions
@@ -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; } |