/* | |
* GIT - The information manager from hell | |
* | |
* Copyright (C) Linus Torvalds, 2005 | |
*/ | |
#include "cache.h" | |
int main(int argc, char **argv) | |
{ | |
unsigned char sha1[20]; | |
char type[20]; | |
void *buf; | |
unsigned long size; | |
if (argc != 3 || get_sha1(argv[2], sha1)) | |
usage("git-cat-file [-t | tagname] <sha1>"); | |
if (!strcmp("-t", argv[1])) { | |
buf = read_sha1_file(sha1, type, &size); | |
if (buf) { | |
buf = type; | |
size = strlen(type); | |
type[size] = '\n'; | |
size++; | |
} | |
} else { | |
buf = read_object_with_reference(sha1, argv[1], &size, NULL); | |
} | |
if (!buf) | |
die("git-cat-file %s: bad file", argv[2]); | |
while (size > 0) { | |
long ret = write(1, buf, size); | |
if (ret < 0) { | |
if (errno == EAGAIN) | |
continue; | |
/* Ignore epipe */ | |
if (errno == EPIPE) | |
break; | |
die("git-cat-file: %s", strerror(errno)); | |
} else if (!ret) { | |
die("git-cat-file: disk full?"); | |
} | |
size -= ret; | |
buf += ret; | |
} | |
return 0; | |
} |