int cmd_hash_object(int argc, const char **argv, const char *prefix)
{
static const char * const hash_object_usage[] = {
N_("git hash-object [-t <type>] [-w] [--path=<file> | --no-filters] [--stdin] [--] <file>..."),
N_("git hash-object --stdin-paths"),
NULL
};
const char *type = blob_type;
int hashstdin = 0;
int stdin_paths = 0;
int no_filters = 0;
int literally = 0;
int nongit = 0;
unsigned flags = HASH_FORMAT_CHECK;
const char *vpath = NULL;
const struct option hash_object_options[] = {
OPT_STRING('t', NULL, &type, N_("type"), N_("object type")),
OPT_BIT('w', NULL, &flags, N_("write the object into the object database"),
HASH_WRITE_OBJECT),
OPT_COUNTUP( 0 , "stdin", &hashstdin, N_("read the object from stdin")),
OPT_BOOL( 0 , "stdin-paths", &stdin_paths, N_("read file names from stdin")),
OPT_BOOL( 0 , "no-filters", &no_filters, N_("store file as is without filters")),
OPT_BOOL( 0, "literally", &literally, N_("just hash any random garbage to create corrupt objects for debugging Git")),
OPT_STRING( 0 , "path", &vpath, N_("file"), N_("process file as it were from this path")),
OPT_END()
};
int i;
const char *errstr = NULL;
argc = parse_options(argc, argv, NULL, hash_object_options,
hash_object_usage, 0);
if (flags & HASH_WRITE_OBJECT)
prefix = setup_git_directory();
else
prefix = setup_git_directory_gently(&nongit);
if (vpath && prefix)
vpath = xstrdup(prefix_filename(prefix, vpath));
git_config(git_default_config, NULL);
if (stdin_paths) {
if (hashstdin)
errstr = "Can't use --stdin-paths with --stdin";
else if (argc)
errstr = "Can't specify files with --stdin-paths";
else if (vpath)
errstr = "Can't use --stdin-paths with --path";
}
else {
if (hashstdin > 1)
errstr = "Multiple --stdin arguments are not supported";
if (vpath && no_filters)
errstr = "Can't use --path with --no-filters";
}
if (errstr) {
error("%s", errstr);
usage_with_options(hash_object_usage, hash_object_options);
}
if (hashstdin)
hash_fd(0, type, vpath, flags, literally);
for (i = 0 ; i < argc; i++) {
const char *arg = argv[i];
char *to_free = NULL;
if (prefix)
arg = to_free = prefix_filename(prefix, arg);
hash_object(arg, type, no_filters ? NULL : vpath ? vpath : arg,
flags, literally);
free(to_free);
}
if (stdin_paths)
hash_stdin_paths(type, no_filters, flags, literally);
return 0;
}
int main(int argc, const char **argv)
{
int i;
const char *prefix = NULL;
int prefix_length = -1;
const char *errstr = NULL;
type = blob_type;
git_extract_argv0_path(argv[0]);
git_config(git_default_config, NULL);
argc = parse_options(argc, argv, hash_object_options, hash_object_usage, 0);
if (write_object) {
prefix = setup_git_directory();
prefix_length = prefix ? strlen(prefix) : 0;
if (vpath && prefix)
vpath = prefix_filename(prefix, prefix_length, vpath);
}
if (stdin_paths) {
if (hashstdin)
errstr = "Can't use --stdin-paths with --stdin";
else if (argc)
errstr = "Can't specify files with --stdin-paths";
else if (vpath)
errstr = "Can't use --stdin-paths with --path";
else if (no_filters)
errstr = "Can't use --stdin-paths with --no-filters";
}
else {
if (hashstdin > 1)
errstr = "Multiple --stdin arguments are not supported";
if (vpath && no_filters)
errstr = "Can't use --path with --no-filters";
}
if (errstr) {
error("%s", errstr);
usage_with_options(hash_object_usage, hash_object_options);
}
if (hashstdin)
hash_fd(0, type, write_object, vpath);
for (i = 0 ; i < argc; i++) {
const char *arg = argv[i];
if (0 <= prefix_length)
arg = prefix_filename(prefix, prefix_length, arg);
hash_object(arg, type, write_object,
no_filters ? NULL : vpath ? vpath : arg);
}
if (stdin_paths)
hash_stdin_paths(type, write_object);
return 0;
}
