From: "Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>
To: git@vger.kernel.org
Cc: "Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>
Subject: [PATCH 3/4] index-pack: move second pass code into separate function
Date: Sat, 25 Feb 2012 17:56:15 +0700 [thread overview]
Message-ID: <1330167376-24859-4-git-send-email-pclouds@gmail.com> (raw)
In-Reply-To: <1330167376-24859-1-git-send-email-pclouds@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
builtin/index-pack.c | 54 +++++++++++++++++++++++++++----------------------
1 files changed, 30 insertions(+), 24 deletions(-)
diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index ab24dd8..e1e858a 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -719,6 +719,35 @@ static int compare_delta_entry(const void *a, const void *b)
objects[delta_b->obj_no].type);
}
+/*
+ * Second pass:
+ * - for all non-delta objects, look if it is used as a base for
+ * deltas;
+ * - if used as a base, uncompress the object and apply all deltas,
+ * recursively checking if the resulting object is used as a base
+ * for some more deltas.
+ * - if the same object exists in repository and we're not in strict
+ * mode, we skipped the sha-1 collision test in the first pass.
+ * Do it now.
+ */
+static void second_pass(struct object_entry *obj)
+{
+ struct base_data *base_obj = alloc_base_data();
+
+ if (((!strict && !verify) ||
+ (strict && !verify && obj->type == OBJ_BLOB)) &&
+ has_sha1_file(obj->idx.sha1)) {
+ void *data = get_data_from_pack(obj);
+ sha1_object(data, obj->size, obj->type, obj->idx.sha1);
+ free(data);
+ }
+
+ base_obj->obj = obj;
+ base_obj->data = NULL;
+ find_unresolved_deltas(base_obj);
+ display_progress(progress, nr_resolved_deltas);
+}
+
/* Parse all objects and return the pack content SHA1 hash */
static void parse_pack_objects(unsigned char *sha1)
{
@@ -773,38 +802,15 @@ static void parse_pack_objects(unsigned char *sha1)
qsort(deltas, nr_deltas, sizeof(struct delta_entry),
compare_delta_entry);
- /*
- * Second pass:
- * - for all non-delta objects, look if it is used as a base for
- * deltas;
- * - if used as a base, uncompress the object and apply all deltas,
- * recursively checking if the resulting object is used as a base
- * for some more deltas.
- * - if the same object exists in repository and we're not in strict
- * mode, we skipped the sha-1 collision test in the first pass.
- * Do it now.
- */
if (verbose)
progress = start_progress("Resolving deltas", nr_deltas);
for (i = 0; i < nr_objects; i++) {
struct object_entry *obj = &objects[i];
- struct base_data *base_obj = alloc_base_data();
if (is_delta_type(obj->type))
continue;
- if (((!strict && !verify) ||
- (strict && !verify && obj->type == OBJ_BLOB)) &&
- has_sha1_file(obj->idx.sha1)) {
- void *data = get_data_from_pack(obj);
- sha1_object(data, obj->size, obj->type, obj->idx.sha1);
- free(data);
- }
-
- base_obj->obj = obj;
- base_obj->data = NULL;
- find_unresolved_deltas(base_obj);
- display_progress(progress, nr_resolved_deltas);
+ second_pass(obj);
}
}
--
1.7.8.36.g69ee2
next prev parent reply other threads:[~2012-02-25 10:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-25 10:56 [PATCH 0/4] index-pack improvements Nguyễn Thái Ngọc Duy
2012-02-25 10:56 ` [PATCH 1/4] index-pack --verify: skip sha-1 collision test Nguyễn Thái Ngọc Duy
2012-02-25 10:56 ` [PATCH 2/4] index-pack: reduce memory usage when the pack has large blobs Nguyễn Thái Ngọc Duy
2012-02-25 10:56 ` Nguyễn Thái Ngọc Duy [this message]
2012-02-25 10:56 ` [PATCH 4/4] index-pack: support multithreaded delta resolving Nguyễn Thái Ngọc Duy
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