match-trees: factor out fill_tree_desc_strict

Deduplicate code by moving tree_desc initialization into a helper
function, fill_tree_desc_strict.  It is like fill_tree_descriptor,
except that it only accepts tree hashes and no tree references (tags,
commits).  No functional change.

Signed-off-by: René Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2013-06-13 20:19:28 +02:00 committed by Junio C Hamano
parent f2b4626d9e
commit 10a3fb00eb

View File

@ -47,6 +47,22 @@ static int score_matches(unsigned mode1, unsigned mode2, const char *path)
return score;
}
static void *fill_tree_desc_strict(struct tree_desc *desc,
const unsigned char *hash)
{
void *buffer;
enum object_type type;
unsigned long size;
buffer = read_sha1_file(hash, &type, &size);
if (!buffer)
die("unable to read tree (%s)", sha1_to_hex(hash));
if (type != OBJ_TREE)
die("%s is not a tree", sha1_to_hex(hash));
init_tree_desc(desc, buffer, size);
return buffer;
}
static int base_name_entries_compare(const struct name_entry *a,
const struct name_entry *b)
{
@ -61,23 +77,10 @@ static int score_trees(const unsigned char *hash1, const unsigned char *hash2)
{
struct tree_desc one;
struct tree_desc two;
void *one_buf, *two_buf;
void *one_buf = fill_tree_desc_strict(&one, hash1);
void *two_buf = fill_tree_desc_strict(&two, hash2);
int score = 0;
enum object_type type;
unsigned long size;
one_buf = read_sha1_file(hash1, &type, &size);
if (!one_buf)
die("unable to read tree (%s)", sha1_to_hex(hash1));
if (type != OBJ_TREE)
die("%s is not a tree", sha1_to_hex(hash1));
init_tree_desc(&one, one_buf, size);
two_buf = read_sha1_file(hash2, &type, &size);
if (!two_buf)
die("unable to read tree (%s)", sha1_to_hex(hash2));
if (type != OBJ_TREE)
die("%s is not a tree", sha1_to_hex(hash2));
init_tree_desc(&two, two_buf, size);
for (;;) {
struct name_entry e1, e2;
int got_entry_from_one = tree_entry(&one, &e1);
@ -124,16 +127,7 @@ static void match_trees(const unsigned char *hash1,
int recurse_limit)
{
struct tree_desc one;
void *one_buf;
enum object_type type;
unsigned long size;
one_buf = read_sha1_file(hash1, &type, &size);
if (!one_buf)
die("unable to read tree (%s)", sha1_to_hex(hash1));
if (type != OBJ_TREE)
die("%s is not a tree", sha1_to_hex(hash1));
init_tree_desc(&one, one_buf, size);
void *one_buf = fill_tree_desc_strict(&one, hash1);
while (one.size) {
const char *path;