Deduplicate code by moving tree_desc initialtization 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@xxxxxxxxxxxxxx>
---
match-trees.c | 44 +++++++++++++++++++-------------------------
1 file changed, 19 insertions(+), 25 deletions(-)
diff --git a/match-trees.c b/match-trees.c
index 2bb734d..7873cde 100644
--- a/match-trees.c
+++ b/match-trees.c
@@ -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;
--
1.8.3
--
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