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read-cache: introduce chmod_index_entry 

As there are chmod options for both add and update-index, introduce a
new chmod_index_entry function to do the work.  Use it in update-index,
while it will be used in add in the next patch.

Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Thomas Gummerer 2016-09-14 22:07:46 +01:00 committed by Junio C Hamano
parent 22433ce461
commit d9d7096662
3 changed files with 33 additions and 14 deletions
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16
builtin/update-index.c
View File

@ -423,26 +423,14 @@ static void chmod_path(char flip, const char *path)
{
int pos;
struct cache_entry *ce;
unsigned int mode;
pos = cache_name_pos(path, strlen(path));
if (pos < 0)
goto fail;
ce = active_cache[pos];
mode = ce->ce_mode;
if (!S_ISREG(mode))
if (chmod_cache_entry(ce, flip) < 0)
goto fail;
switch (flip) {
case '+':
ce->ce_mode |= 0111; break;
case '-':
ce->ce_mode &= ~0111; break;
default:
goto fail;
}
cache_tree_invalidate_path(&the_index, path);
ce->ce_flags |= CE_UPDATE_IN_BASE;
active_cache_changed |= CE_ENTRY_CHANGED;
report("chmod %cx '%s'", flip, path);
return;
fail:

2
cache.h
View File

@ -369,6 +369,7 @@ extern void free_name_hash(struct index_state *istate);
#define remove_file_from_cache(path) remove_file_from_index(&the_index, (path))
#define add_to_cache(path, st, flags) add_to_index(&the_index, (path), (st), (flags), 0)
#define add_file_to_cache(path, flags) add_file_to_index(&the_index, (path), (flags), 0)
#define chmod_cache_entry(ce, flip) chmod_index_entry(&the_index, (ce), (flip))
#define refresh_cache(flags) refresh_index(&the_index, (flags), NULL, NULL, NULL)
#define ce_match_stat(ce, st, options) ie_match_stat(&the_index, (ce), (st), (options))
#define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options))
@ -584,6 +585,7 @@ extern int remove_file_from_index(struct index_state *, const char *path);
extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags, int force_mode);
extern int add_file_to_index(struct index_state *, const char *path, int flags, int force_mode);
extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, unsigned int refresh_options);
extern int chmod_index_entry(struct index_state *, struct cache_entry *ce, char flip);
extern int ce_same_name(const struct cache_entry *a, const struct cache_entry *b);
extern void set_object_name_for_intent_to_add_entry(struct cache_entry *ce);
extern int index_name_is_other(const struct index_state *, const char *, int);

29
read-cache.c
View File

@ -759,6 +759,35 @@ struct cache_entry *make_cache_entry(unsigned int mode,
return ret;
}
/*
* Chmod an index entry with either +x or -x.
*
* Returns -1 if the chmod for the particular cache entry failed (if it's
* not a regular file), -2 if an invalid flip argument is passed in, 0
* otherwise.
*/
int chmod_index_entry(struct index_state *istate, struct cache_entry *ce,
char flip)
{
if (!S_ISREG(ce->ce_mode))
return -1;
switch (flip) {
case '+':
ce->ce_mode |= 0111;
break;
case '-':
ce->ce_mode &= ~0111;
break;
default:
return -2;
}
cache_tree_invalidate_path(istate, ce->name);
ce->ce_flags |= CE_UPDATE_IN_BASE;
istate->cache_changed |= CE_ENTRY_CHANGED;
return 0;
}
int ce_same_name(const struct cache_entry *a, const struct cache_entry *b)
{
int len = ce_namelen(a);