mirror of
https://github.com/git/git
synced 2024-08-27 11:39:22 +00:00
![Petr Baudis](/assets/img/avatar_default.png)
Now there is error() for "library" errors and die() for fatal "application" errors. usage() is now used strictly only for usage errors. Signed-off-by: Petr Baudis <pasky@ucw.cz>
46 lines
892 B
C
46 lines
892 B
C
/*
|
|
* 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_hex(argv[2], sha1))
|
|
usage("cat-file [-t | tagname] <sha1>");
|
|
buf = read_sha1_file(sha1, type, &size);
|
|
if (!buf)
|
|
die("cat-file %s: bad file", argv[2]);
|
|
if (!strcmp("-t", argv[1])) {
|
|
buf = type;
|
|
size = strlen(type);
|
|
type[size] = '\n';
|
|
size++;
|
|
} else if (strcmp(type, argv[1])) {
|
|
die("cat-file %s: bad tag", 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("cat-file: %s", strerror(errno));
|
|
} else if (!ret) {
|
|
die("cat-file: disk full?");
|
|
}
|
|
size -= ret;
|
|
buf += ret;
|
|
}
|
|
return 0;
|
|
}
|