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/*
* 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 | -s | tagname] <sha1>");
if (!strcmp("-t", argv[1]) || !strcmp("-s", argv[1])) {
if (!sha1_object_info(sha1, type, &size)) {
switch (argv[1][1]) {
case 't':
printf("%s\n", type);
break;
case 's':
printf("%lu\n", size);
break;
}
return 0;
}
buf = NULL;
} 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;
}
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