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add: use separate ADD_CACHE_RENORMALIZE flag

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Commit 9472935d81 (add: introduce "--renormalize", 2017-11-16) taught
git-add to pass HASH_RENORMALIZE to add_to_index(), which then passes
the flag along to index_path(). However, the flags taken by
add_to_index() and the ones taken by index_path() are distinct
namespaces. We cannot take HASH_* flags in add_to_index(), because they
overlap with the ADD_CACHE_* flags we already take (in this case,
HASH_RENORMALIZE conflicts with ADD_CACHE_IGNORE_ERRORS).

We can solve this by adding a new ADD_CACHE_RENORMALIZE flag, and using
it to set HASH_RENORMALIZE within add_to_index(). In order to make it
clear that these two flags come from distinct sets, let's also change
the name "newflags" in the function to "hash_flags".

Reported-by: Dmitriy Smirnov <dmitriy.smirnov@jetbrains.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King
2019-01-17 11:27:11 -05:00
committed by Junio C Hamano
parent 98cdfbb84a
commit 9e5da3d055
4 changed files with 15 additions and 5 deletions
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8
read-cache.c
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@ -694,10 +694,10 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
int intent_only = flags & ADD_CACHE_INTENT;
int add_option = (ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE|
(intent_only ? ADD_CACHE_NEW_ONLY : 0));
int newflags = HASH_WRITE_OBJECT;
int hash_flags = HASH_WRITE_OBJECT;
if (flags & HASH_RENORMALIZE)
newflags |= HASH_RENORMALIZE;
if (flags & ADD_CACHE_RENORMALIZE)
hash_flags |= HASH_RENORMALIZE;
if (!S_ISREG(st_mode) && !S_ISLNK(st_mode) && !S_ISDIR(st_mode))
return error("%s: can only add regular files, symbolic links or git-directories", path);
@ -753,7 +753,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
}
}
if (!intent_only) {
if (index_path(&ce->oid, path, st, newflags)) {
if (index_path(&ce->oid, path, st, hash_flags)) {
discard_cache_entry(ce);
return error("unable to index file %s", path);
}