#include "builtin.h" static char *create_temp_file(unsigned char *sha1) { static char path[50]; void *buf; enum object_type type; unsigned long size; int fd; buf = read_sha1_file(sha1, &type, &size); if (!buf || type != OBJ_BLOB) die("unable to read blob object %s", sha1_to_hex(sha1)); xsnprintf(path, sizeof(path), ".merge_file_XXXXXX"); fd = xmkstemp(path); if (write_in_full(fd, buf, size) != size) die_errno("unable to write temp-file"); close(fd); return path; } int cmd_unpack_file(int argc, const char **argv, const char *prefix) { unsigned char sha1[20]; if (argc != 2 || !strcmp(argv[1], "-h")) usage("git unpack-file <sha1>"); if (get_sha1(argv[1], sha1)) die("Not a valid object name %s", argv[1]); git_config(git_default_config, NULL); puts(create_temp_file(sha1)); return 0; }