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#define USE_THE_REPOSITORY_VARIABLE
#include "builtin.h"
#include "config.h"
#include "hex.h"
#include "object-file.h"
#include "object-name.h"
#include "odb.h"
static char *create_temp_file(struct object_id *oid)
{
static char path[50];
void *buf;
enum object_type type;
unsigned long size;
int fd;
buf = odb_read_object(the_repository->objects, oid, &type, &size);
if (!buf || type != OBJ_BLOB)
die("unable to read blob object %s", oid_to_hex(oid));
xsnprintf(path, sizeof(path), ".merge_file_XXXXXX");
fd = xmkstemp(path);
if (write_in_full(fd, buf, size) < 0)
die_errno("unable to write temp-file");
close(fd);
free(buf);
return path;
}
static const char usage_msg[] =
"git unpack-file <blob>";
int cmd_unpack_file(int argc,
const char **argv,
const char *prefix UNUSED,
struct repository *repo UNUSED)
{
struct object_id oid;
show_usage_if_asked(argc, argv, usage_msg);
if (argc != 2)
usage(usage_msg);
if (repo_get_oid(the_repository, argv[1], &oid))
die("Not a valid object name %s", argv[1]);
git_config(git_default_config, NULL);
puts(create_temp_file(&oid));
return 0;
}
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