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/*
* GIT - The information manager from hell
*
* Copyright (C) Linus Torvalds, 2005
* Copyright (C) Junio C Hamano, 2005
*/
#include "cache.h"
#include "blob.h"
static void hash_object(const char *path, enum object_type type, int write_object)
{
int fd;
struct stat st;
unsigned char sha1[20];
fd = open(path, O_RDONLY);
if (fd < 0 ||
fstat(fd, &st) < 0 ||
index_fd(sha1, fd, &st, write_object, type, path))
die(write_object
? "Unable to add %s to database"
: "Unable to hash %s", path);
printf("%s\n", sha1_to_hex(sha1));
}
static void hash_stdin(const char *type, int write_object)
{
unsigned char sha1[20];
if (index_pipe(sha1, 0, type, write_object))
die("Unable to add stdin to database");
printf("%s\n", sha1_to_hex(sha1));
}
static const char hash_object_usage[] =
"git-hash-object [-t <type>] [-w] [--stdin] <file>...";
int main(int argc, char **argv)
{
int i;
const char *type = blob_type;
int write_object = 0;
const char *prefix = NULL;
int prefix_length = -1;
int no_more_flags = 0;
int hashstdin = 0;
git_config(git_default_config, NULL);
for (i = 1 ; i < argc; i++) {
if (!no_more_flags && argv[i][0] == '-') {
if (!strcmp(argv[i], "-t")) {
if (argc <= ++i)
usage(hash_object_usage);
type = argv[i];
}
else if (!strcmp(argv[i], "-w")) {
if (prefix_length < 0) {
prefix = setup_git_directory();
prefix_length =
prefix ? strlen(prefix) : 0;
}
write_object = 1;
}
else if (!strcmp(argv[i], "--")) {
no_more_flags = 1;
}
else if (!strcmp(argv[i], "--help"))
usage(hash_object_usage);
else if (!strcmp(argv[i], "--stdin")) {
if (hashstdin)
die("Multiple --stdin arguments are not supported");
hashstdin = 1;
}
else
usage(hash_object_usage);
}
else {
const char *arg = argv[i];
if (hashstdin) {
hash_stdin(type, write_object);
hashstdin = 0;
}
if (0 <= prefix_length)
arg = prefix_filename(prefix, prefix_length,
arg);
hash_object(arg, type_from_string(type), write_object);
no_more_flags = 1;
}
}
if (hashstdin)
hash_stdin(type, write_object);
return 0;
}
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