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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_hex(argv[2], sha1))
usage("cat-file: cat-file [-t | tagname] <sha1>");
buf = read_sha1_file(sha1, type, &size);
if (!buf) {
fprintf(stderr, "cat-file %s: bad file\n", argv[2]);
exit(1);
}
if (!strcmp("-t", argv[1])) {
buf = type;
size = strlen(type);
type[size] = '\n';
size++;
} else if (strcmp(type, argv[1])) {
fprintf(stderr, "cat-file %s: bad tag\n", argv[2]);
exit(1); /* bad tag */
}
while (size > 0) {
long ret = write(1, buf, size);
if (ret < 0) {
if (errno == EAGAIN)
continue;
/* Ignore epipe */
if (errno == EPIPE)
break;
fprintf(stderr, "cat-file: %s\n", strerror(errno));
exit(1);
}
if (!ret) {
fprintf(stderr, "cat-file: disk full?");
exit(1);
}
size -= ret;
buf += ret;
}
return 0;
}
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