undef/git-commit-vandalism
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git-update-cache: allow dot-files

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We still refuse to add ".", ".." and ".git".

In theory, you could track another git-repository by allowing ".git",
but the potential for confusion is just too high.
This commit is contained in:
Linus Torvalds 2005-05-24 14:40:28 -07:00
parent c4bd907d95
commit 320d3a1b1a
1 changed files with 40 additions and 4 deletions
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44
update-cache.c
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@ -238,13 +238,42 @@ static int refresh_cache(void)
/*
* We fundamentally don't like some paths: we don't want
* dot or dot-dot anywhere, and in fact, we don't even want
* any other dot-files (.git or anything else). They
* are hidden, for chist sake.
* dot or dot-dot anywhere, and for obvious reasons don't
* want to recurse into ".git" either.
*
* Also, we don't want double slashes or slashes at the
* end that can make pathnames ambiguous.
*/
static int verify_dotfile(const char *rest)
{
/*
* The first character was '.', but that
* has already been discarded, we now test
* the rest.
*/
switch (*rest) {
/* "." is not allowed */
case '\0': case '/':
return 0;
/*
* ".git" followed by NUL or slash is bad. This
* shares the path end test with the ".." case.
*/
case 'g':
if (rest[1] != 'i')
break;
if (rest[2] != 't')
break;
rest += 2;
/* fallthrough */
case '.':
if (rest[1] == '\0' || rest[1] == '/')
return 0;
}
return 1;
}
static int verify_path(char *path)
{
char c;
@ -256,8 +285,15 @@ static int verify_path(char *path)
if (c == '/') {
inside:
c = *path++;
if (c != '/' && c != '.' && c != '\0')
switch (c) {
default:
continue;
case '/': case '\0':
break;
case '.':
if (verify_dotfile(path))
continue;
}
return 0;
}
c = *path++;