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git/builtin/unpack-file.c
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#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; | |
} |