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Diffstat (limited to 'builtin/cat-file.c')
-rw-r--r--builtin/cat-file.c38
1 files changed, 27 insertions, 11 deletions
diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index cc863ff..7073304 100644
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -118,6 +118,7 @@ struct expand_data {
unsigned long size;
unsigned long disk_size;
const char *rest;
+ unsigned char delta_base_sha1[20];
/*
* If mark_query is true, we do not expand anything, but rather
@@ -174,6 +175,11 @@ static void expand_atom(struct strbuf *sb, const char *atom, int len,
data->split_on_whitespace = 1;
else if (data->rest)
strbuf_addstr(sb, data->rest);
+ } else if (is_atom("deltabase", atom, len)) {
+ if (data->mark_query)
+ data->info.delta_base_sha1 = data->delta_base_sha1;
+ else
+ strbuf_addstr(sb, sha1_to_hex(data->delta_base_sha1));
} else
die("unknown format element: %.*s", len, atom);
}
@@ -193,25 +199,28 @@ static size_t expand_format(struct strbuf *sb, const char *start, void *data)
return end - start + 1;
}
-static void print_object_or_die(int fd, const unsigned char *sha1,
- enum object_type type, unsigned long size)
+static void print_object_or_die(int fd, struct expand_data *data)
{
- if (type == OBJ_BLOB) {
+ const unsigned char *sha1 = data->sha1;
+
+ assert(data->info.typep);
+
+ if (data->type == OBJ_BLOB) {
if (stream_blob_to_fd(fd, sha1, NULL, 0) < 0)
die("unable to stream %s to stdout", sha1_to_hex(sha1));
}
else {
- enum object_type rtype;
- unsigned long rsize;
+ enum object_type type;
+ unsigned long size;
void *contents;
- contents = read_sha1_file(sha1, &rtype, &rsize);
+ contents = read_sha1_file(sha1, &type, &size);
if (!contents)
die("object %s disappeared", sha1_to_hex(sha1));
- if (rtype != type)
+ if (type != data->type)
die("object %s changed type!?", sha1_to_hex(sha1));
- if (rsize != size)
- die("object %s change size!?", sha1_to_hex(sha1));
+ if (data->info.sizep && size != data->size)
+ die("object %s changed size!?", sha1_to_hex(sha1));
write_or_die(fd, contents, size);
free(contents);
@@ -238,7 +247,7 @@ static int batch_one_object(const char *obj_name, struct batch_options *opt,
return 0;
}
- if (sha1_object_info_extended(data->sha1, &data->info) < 0) {
+ if (sha1_object_info_extended(data->sha1, &data->info, LOOKUP_REPLACE_OBJECT) < 0) {
printf("%s missing\n", obj_name);
fflush(stdout);
return 0;
@@ -250,7 +259,7 @@ static int batch_one_object(const char *obj_name, struct batch_options *opt,
strbuf_release(&buf);
if (opt->print_contents) {
- print_object_or_die(1, data->sha1, data->type, data->size);
+ print_object_or_die(1, data);
write_or_die(1, "\n", 1);
}
return 0;
@@ -277,6 +286,13 @@ static int batch_objects(struct batch_options *opt)
data.mark_query = 0;
/*
+ * If we are printing out the object, then always fill in the type,
+ * since we will want to decide whether or not to stream.
+ */
+ if (opt->print_contents)
+ data.info.typep = &data.type;
+
+ /*
* We are going to call get_sha1 on a potentially very large number of
* objects. In most large cases, these will be actual object sha1s. The
* cost to double-check that each one is not also a ref (just so we can