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Make core.sharedRepository more generic

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git init --shared=0xxx, where '0xxx' is an octal number, will create
a repository with file modes set to '0xxx'. Users with a safe umask
value (0077) can use this option to force file modes. For example,
'0640' is a group-readable but not group-writable regardless of
user's umask value. Values compatible with old Git versions are written
as they were before, for compatibility reasons. That is, "1" for
"group" and "2" for "everybody".

"git config core.sharedRepository 0xxx" is also handled.

Signed-off-by: Heikki Orsila <heikki.orsila@iki.fi>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Heikki Orsila
2008-04-16 11:34:24 +03:00
committed by Junio C Hamano
parent a17b1d2f0b
commit 06cbe85503
7 changed files with 147 additions and 36 deletions
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31
path.c
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@@ -266,24 +266,25 @@ int adjust_shared_perm(const char *path)
if (lstat(path, &st) < 0)
return -1;
mode = st.st_mode;
if (mode & S_IRUSR)
mode |= (shared_repository == PERM_GROUP
? S_IRGRP
: (shared_repository == PERM_EVERYBODY
? (S_IRGRP|S_IROTH)
: 0));
if (mode & S_IWUSR)
mode |= S_IWGRP;
if (shared_repository) {
int tweak = shared_repository;
if (!(mode & S_IWUSR))
tweak &= ~0222;
mode = (mode & ~0777) | tweak;
} else {
/* Preserve old PERM_UMASK behaviour */
if (mode & S_IWUSR)
mode |= S_IWGRP;
}
if (mode & S_IXUSR)
mode |= (shared_repository == PERM_GROUP
? S_IXGRP
: (shared_repository == PERM_EVERYBODY
? (S_IXGRP|S_IXOTH)
: 0));
if (S_ISDIR(mode))
if (S_ISDIR(mode)) {
mode |= FORCE_DIR_SET_GID;
/* Copy read bits to execute bits */
mode |= (shared_repository & 0444) >> 2;
}
if ((mode & st.st_mode) != mode && chmod(path, mode) < 0)
return -2;
return 0;