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cache_tree_update: give an option to update cache-tree only.

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When the extra "dryrun" parameter is true, cache_tree_update()
recomputes the invalid entry but does not actually creates
new tree object.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano
2006-04-27 16:21:54 -07:00
parent 7927a55d5b
commit 2956dd3bd7
3 changed files with 17 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
cache-tree.c
View File

@ -226,7 +226,8 @@ static int update_one(struct cache_tree *it,
int entries,
const char *base,
int baselen,
int missing_ok)
int missing_ok,
int dryrun)
{
unsigned long size, offset;
char *buffer;
@ -273,7 +274,8 @@ static int update_one(struct cache_tree *it,
cache + i, entries - i,
path,
baselen + sublen + 1,
missing_ok);
missing_ok,
dryrun);
i += subcnt - 1;
sub->used = 1;
}
@ -338,6 +340,13 @@ static int update_one(struct cache_tree *it,
#endif
}
if (dryrun) {
char hdr[200];
int hdrlen;
write_sha1_file_prepare(buffer, offset, tree_type, it->sha1,
hdr, &hdrlen);
}
else
write_sha1_file(buffer, offset, tree_type, it->sha1);
free(buffer);
it->entry_count = i;
@ -352,13 +361,14 @@ static int update_one(struct cache_tree *it,
int cache_tree_update(struct cache_tree *it,
struct cache_entry **cache,
int entries,
int missing_ok)
int missing_ok,
int dryrun)
{
int i;
i = verify_cache(cache, entries);
if (i)
return i;
i = update_one(it, cache, entries, "", 0, missing_ok);
i = update_one(it, cache, entries, "", 0, missing_ok, dryrun);
if (i < 0)
return i;
return 0;

2
cache-tree.h
View File

@ -26,6 +26,6 @@ void *cache_tree_write(struct cache_tree *root, unsigned long *size_p);
struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);
int cache_tree_fully_valid(struct cache_tree *);
int cache_tree_update(struct cache_tree *, struct cache_entry **, int, int);
int cache_tree_update(struct cache_tree *, struct cache_entry **, int, int, int);
#endif

2
write-tree.c
View File

@ -41,7 +41,7 @@ int main(int argc, char **argv)
if (!was_valid) {
if (cache_tree_update(active_cache_tree,
active_cache, active_nr,
missing_ok) < 0)
missing_ok, 0) < 0)
die("git-write-tree: error building trees");
if (0 <= newfd) {
if (!write_cache(newfd, active_cache, active_nr))