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Teach packing about "tag" objects

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(And teach sha1_file and unpack-object know how to unpack them too, of
course)
This commit is contained in:
Linus Torvalds
2005-06-28 09:58:23 -07:00
parent 62bb99606d
commit a69d094366
3 changed files with 23 additions and 14 deletions
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28
pack-objects.c
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@@ -6,21 +6,21 @@
static const char pack_usage[] = "git-pack-objects [--window=N] [--depth=N] base-name < object-list";
enum object_type {
OBJ_NONE,
OBJ_COMMIT,
OBJ_TREE,
OBJ_BLOB,
OBJ_DELTA
};
/*
* The object type is a single-character shorthand:
* - 'C' for "Commit"
* - 'T' for "Tree"
* - 'B' for "Blob"
* - 'G' for "taG"
* - 'D' for "Delta"
*/
struct object_entry {
unsigned char sha1[20];
unsigned long size;
unsigned long offset;
unsigned int depth;
unsigned int hash;
enum object_type type;
unsigned char type;
unsigned long delta_size;
struct object_entry *delta;
};
@@ -67,7 +67,7 @@ static unsigned long write_object(struct sha1file *f, struct object_entry *entry
* length, except for deltas that has the 20 bytes of delta sha
* instead.
*/
header[0] = ".CTB"[entry->type];
header[0] = entry->type;
hdrlen = 5;
if (entry->delta) {
header[0] = 'D';
@@ -164,11 +164,13 @@ static void check_object(struct object_entry *entry)
if (!sha1_object_info(entry->sha1, type, &entry->size)) {
if (!strcmp(type, "commit")) {
entry->type = OBJ_COMMIT;
entry->type = 'C';
} else if (!strcmp(type, "tree")) {
entry->type = OBJ_TREE;
entry->type = 'T';
} else if (!strcmp(type, "blob")) {
entry->type = OBJ_BLOB;
entry->type = 'B';
} else if (!strcmp(type, "tag")) {
entry->type = 'G';
} else
die("unable to pack object %s of type %s",
sha1_to_hex(entry->sha1), type);