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authorLibravatar Junio C Hamano <junkio@cox.net>2007-05-29 00:41:50 -0700
committerLibravatar Junio C Hamano <junkio@cox.net>2007-05-29 00:41:50 -0700
commit96cbd573d48297d0f8e5b1f509bc4dd7e9604fa7 (patch)
tree3566ece0fffbe84a2c5d04fa1708c8f8a5646ae6
parentMerge branch 'ar/verbose' (diff)
parentbuiltin-pack-objects: remove unnecessary code for no-delta (diff)
downloadtgif-96cbd573d48297d0f8e5b1f509bc4dd7e9604fa7.tar.xz
Merge branch 'jc/nodelta'
* jc/nodelta: builtin-pack-objects: remove unnecessary code for no-delta Teach "delta" attribute to pack-objects. pack-objects: pass fullname down to add_object_entry()
-rw-r--r--builtin-pack-objects.c60
1 files changed, 46 insertions, 14 deletions
diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c
index d165f10288..eca130f055 100644
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -1,5 +1,6 @@
#include "builtin.h"
#include "cache.h"
+#include "attr.h"
#include "object.h"
#include "blob.h"
#include "commit.h"
@@ -40,9 +41,10 @@ struct object_entry {
enum object_type in_pack_type; /* could be delta */
unsigned char in_pack_header_size;
unsigned char preferred_base; /* we do not pack this, but is available
- * to be used as the base objectto delta
+ * to be used as the base object to delta
* objects against.
*/
+ unsigned char no_try_delta;
};
/*
@@ -723,6 +725,9 @@ static unsigned name_hash(const char *name)
unsigned char c;
unsigned hash = 0;
+ if (!name)
+ return 0;
+
/*
* This effectively just creates a sortable number from the
* last sixteen non-whitespace characters. Last characters
@@ -736,13 +741,36 @@ static unsigned name_hash(const char *name)
return hash;
}
+static void setup_delta_attr_check(struct git_attr_check *check)
+{
+ static struct git_attr *attr_delta;
+
+ if (!attr_delta)
+ attr_delta = git_attr("delta", 5);
+
+ check[0].attr = attr_delta;
+}
+
+static int no_try_delta(const char *path)
+{
+ struct git_attr_check check[1];
+
+ setup_delta_attr_check(check);
+ if (git_checkattr(path, ARRAY_SIZE(check), check))
+ return 0;
+ if (ATTR_FALSE(check->value))
+ return 1;
+ return 0;
+}
+
static int add_object_entry(const unsigned char *sha1, enum object_type type,
- unsigned hash, int exclude)
+ const char *name, int exclude)
{
struct object_entry *entry;
struct packed_git *p, *found_pack = NULL;
off_t found_offset = 0;
int ix;
+ unsigned hash = name_hash(name);
ix = nr_objects ? locate_object_entry_hash(sha1) : -1;
if (ix >= 0) {
@@ -799,6 +827,9 @@ static int add_object_entry(const unsigned char *sha1, enum object_type type,
if (progress)
display_progress(&progress_state, nr_objects);
+ if (name && no_try_delta(name))
+ entry->no_try_delta = 1;
+
return 1;
}
@@ -931,10 +962,9 @@ static void add_pbase_object(struct tree_desc *tree,
if (cmp < 0)
return;
if (name[cmplen] != '/') {
- unsigned hash = name_hash(fullname);
add_object_entry(entry.sha1,
S_ISDIR(entry.mode) ? OBJ_TREE : OBJ_BLOB,
- hash, 1);
+ fullname, 1);
return;
}
if (S_ISDIR(entry.mode)) {
@@ -994,10 +1024,11 @@ static int check_pbase_path(unsigned hash)
return 0;
}
-static void add_preferred_base_object(const char *name, unsigned hash)
+static void add_preferred_base_object(const char *name)
{
struct pbase_tree *it;
int cmplen;
+ unsigned hash = name_hash(name);
if (!num_preferred_base || check_pbase_path(hash))
return;
@@ -1005,7 +1036,7 @@ static void add_preferred_base_object(const char *name, unsigned hash)
cmplen = name_cmp_len(name);
for (it = pbase_tree; it; it = it->next) {
if (cmplen == 0) {
- add_object_entry(it->pcache.sha1, OBJ_TREE, 0, 1);
+ add_object_entry(it->pcache.sha1, OBJ_TREE, NULL, 1);
}
else {
struct tree_desc tree;
@@ -1347,6 +1378,10 @@ static void find_deltas(struct object_entry **list, int window, int depth)
if (entry->size < 50)
continue;
+
+ if (entry->no_try_delta)
+ continue;
+
free_delta_index(n->index);
n->index = NULL;
free(n->data);
@@ -1446,7 +1481,6 @@ static void read_object_list_from_stdin(void)
{
char line[40 + 1 + PATH_MAX + 2];
unsigned char sha1[20];
- unsigned hash;
for (;;) {
if (!fgets(line, sizeof(line), stdin)) {
@@ -1469,22 +1503,20 @@ static void read_object_list_from_stdin(void)
if (get_sha1_hex(line, sha1))
die("expected sha1, got garbage:\n %s", line);
- hash = name_hash(line+41);
- add_preferred_base_object(line+41, hash);
- add_object_entry(sha1, 0, hash, 0);
+ add_preferred_base_object(line+41);
+ add_object_entry(sha1, 0, line+41, 0);
}
}
static void show_commit(struct commit *commit)
{
- add_object_entry(commit->object.sha1, OBJ_COMMIT, 0, 0);
+ add_object_entry(commit->object.sha1, OBJ_COMMIT, NULL, 0);
}
static void show_object(struct object_array_entry *p)
{
- unsigned hash = name_hash(p->name);
- add_preferred_base_object(p->name, hash);
- add_object_entry(p->item->sha1, p->item->type, hash, 0);
+ add_preferred_base_object(p->name);
+ add_object_entry(p->item->sha1, p->item->type, p->name, 0);
}
static void show_edge(struct commit *commit)