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split-index: strip pathname of on-disk replaced entries

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We know the positions of replaced entries via the replace bitmap in
"link" extension, so the "name" path does not have to be stored (it's
still in the shared index). With this, we also have a way to
distinguish additions vs replacements at load time and can catch
broken "link" extensions.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy
2014-06-13 19:19:43 +07:00
committed by Junio C Hamano
parent ce7c614bce
commit b3c96fb158
3 changed files with 23 additions and 2 deletions
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10
read-cache.c
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@ -1787,9 +1787,15 @@ static int ce_write_entry(git_SHA_CTX *c, int fd, struct cache_entry *ce,
{
int size;
struct ondisk_cache_entry *ondisk;
int saved_namelen = saved_namelen; /* compiler workaround */
char *name;
int result;
if (ce->ce_flags & CE_STRIP_NAME) {
saved_namelen = ce_namelen(ce);
ce->ce_namelen = 0;
}
if (!previous_name) {
size = ondisk_ce_size(ce);
ondisk = xcalloc(1, size);
@ -1821,6 +1827,10 @@ static int ce_write_entry(git_SHA_CTX *c, int fd, struct cache_entry *ce,
strbuf_splice(previous_name, common, to_remove,
ce->name + common, ce_namelen(ce) - common);
}
if (ce->ce_flags & CE_STRIP_NAME) {
ce->ce_namelen = saved_namelen;
ce->ce_flags &= ~CE_STRIP_NAME;
}
result = ce_write(c, fd, ondisk, size);
free(ondisk);