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Diffstat (limited to 'fast-import.c')
-rw-r--r--fast-import.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/fast-import.c b/fast-import.c
index c07e3d8ef..5e83296bf 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -154,13 +154,16 @@ Format of STDIN stream:
#define PACK_ID_BITS 16
#define MAX_PACK_ID ((1<<PACK_ID_BITS)-1)
+#define DEPTH_BITS 13
+#define MAX_DEPTH ((1<<DEPTH_BITS)-1)
struct object_entry
{
struct object_entry *next;
uint32_t offset;
- unsigned type : TYPE_BITS;
- unsigned pack_id : PACK_ID_BITS;
+ uint32_t type : TYPE_BITS,
+ pack_id : PACK_ID_BITS,
+ depth : DEPTH_BITS;
unsigned char sha1[20];
};
@@ -1105,7 +1108,7 @@ static int store_object(
unsigned pos = sizeof(hdr) - 1;
delta_count_by_type[type]++;
- last->depth++;
+ e->depth = last->depth + 1;
hdrlen = encode_header(OBJ_OFS_DELTA, deltalen, hdr);
write_or_die(pack_data->pack_fd, hdr, hdrlen);
@@ -1117,8 +1120,7 @@ static int store_object(
write_or_die(pack_data->pack_fd, hdr + pos, sizeof(hdr) - pos);
pack_size += sizeof(hdr) - pos;
} else {
- if (last)
- last->depth = 0;
+ e->depth = 0;
hdrlen = encode_header(type, datlen, hdr);
write_or_die(pack_data->pack_fd, hdr, hdrlen);
pack_size += hdrlen;
@@ -1134,6 +1136,7 @@ static int store_object(
free(last->data);
last->data = dat;
last->offset = e->offset;
+ last->depth = e->depth;
last->len = datlen;
}
return 0;
@@ -1181,7 +1184,7 @@ static void load_tree(struct tree_entry *root)
if (myoe && myoe->pack_id != MAX_PACK_ID) {
if (myoe->type != OBJ_TREE)
die("Not a tree: %s", sha1_to_hex(sha1));
- t->delta_depth = 0;
+ t->delta_depth = myoe->depth;
buf = gfi_unpack_entry(myoe, &size);
} else {
enum object_type type;
@@ -2347,8 +2350,11 @@ int main(int argc, const char **argv)
}
else if (!prefixcmp(a, "--max-pack-size="))
max_packsize = strtoumax(a + 16, NULL, 0) * 1024 * 1024;
- else if (!prefixcmp(a, "--depth="))
+ else if (!prefixcmp(a, "--depth=")) {
max_depth = strtoul(a + 8, NULL, 0);
+ if (max_depth > MAX_DEPTH)
+ die("--depth cannot exceed %u", MAX_DEPTH);
+ }
else if (!prefixcmp(a, "--active-branches="))
max_active_branches = strtoul(a + 18, NULL, 0);
else if (!prefixcmp(a, "--import-marks="))