Merge branch 'jk/maint-null-in-trees'

We do not want a link to 0{40} object stored anywhere in our objects.

* jk/maint-null-in-trees:
  fsck: detect null sha1 in tree entries
  do not write null sha1s to on-disk index
  diff: do not use null sha1 as a sentinel value
This commit is contained in:
Junio C Hamano
2012-08-27 11:54:28 -07:00
18 changed files with 188 additions and 32 deletions

8
fsck.c
View File

@ -139,6 +139,7 @@ static int verify_ordered(unsigned mode1, const char *name1, unsigned mode2, con
static int fsck_tree(struct tree *item, int strict, fsck_error error_func)
{
int retval;
int has_null_sha1 = 0;
int has_full_path = 0;
int has_empty_name = 0;
int has_zero_pad = 0;
@ -157,9 +158,12 @@ static int fsck_tree(struct tree *item, int strict, fsck_error error_func)
while (desc.size) {
unsigned mode;
const char *name;
const unsigned char *sha1;
tree_entry_extract(&desc, &name, &mode);
sha1 = tree_entry_extract(&desc, &name, &mode);
if (is_null_sha1(sha1))
has_null_sha1 = 1;
if (strchr(name, '/'))
has_full_path = 1;
if (!*name)
@ -207,6 +211,8 @@ static int fsck_tree(struct tree *item, int strict, fsck_error error_func)
}
retval = 0;
if (has_null_sha1)
retval += error_func(&item->object, FSCK_WARN, "contains entries pointing to null sha1");
if (has_full_path)
retval += error_func(&item->object, FSCK_WARN, "contains full pathnames");
if (has_empty_name)