git/t/helper/test-cache-tree.c

71 lines
2.1 KiB
C

#define USE_THE_REPOSITORY_VARIABLE
#include "test-tool.h"
#include "gettext.h"
#include "hex.h"
#include "tree.h"
#include "cache-tree.h"
#include "parse-options.h"
#include "read-cache-ll.h"
#include "repository.h"
#include "setup.h"
static char const * const test_cache_tree_usage[] = {
N_("test-tool cache-tree <options> (control|prime|update)"),
NULL
};
int cmd__cache_tree(int argc, const char **argv)
{
struct object_id oid;
struct tree *tree;
int empty = 0;
int invalidate_qty = 0;
int i;
struct option options[] = {
OPT_BOOL(0, "empty", &empty,
N_("clear the cache tree before each iteration")),
OPT_INTEGER_F(0, "invalidate", &invalidate_qty,
N_("number of entries in the cache tree to invalidate (default 0)"),
PARSE_OPT_NONEG),
OPT_END()
};
setup_git_directory();
argc = parse_options(argc, argv, NULL, options, test_cache_tree_usage, 0);
if (repo_read_index(the_repository) < 0)
die(_("unable to read index file"));
oidcpy(&oid, &the_repository->index->cache_tree->oid);
tree = parse_tree_indirect(&oid);
if (!tree)
die(_("not a tree object: %s"), oid_to_hex(&oid));
if (empty) {
/* clear the cache tree & allocate a new one */
cache_tree_free(&the_repository->index->cache_tree);
the_repository->index->cache_tree = cache_tree();
} else if (invalidate_qty) {
/* invalidate the specified number of unique paths */
float f_interval = (float)the_repository->index->cache_nr / invalidate_qty;
int interval = f_interval < 1.0 ? 1 : (int)f_interval;
for (i = 0; i < invalidate_qty && i * interval < the_repository->index->cache_nr; i++)
cache_tree_invalidate_path(the_repository->index, the_repository->index->cache[i * interval]->name);
}
if (argc != 1)
usage_with_options(test_cache_tree_usage, options);
else if (!strcmp(argv[0], "prime"))
prime_cache_tree(the_repository, the_repository->index, tree);
else if (!strcmp(argv[0], "update"))
cache_tree_update(the_repository->index, WRITE_TREE_SILENT | WRITE_TREE_REPAIR);
/* use "control" subcommand to specify no-op */
else if (!!strcmp(argv[0], "control"))
die(_("Unhandled subcommand '%s'"), argv[0]);
return 0;
}