mirror of
https://github.com/git/git
synced 2024-10-31 01:43:41 +00:00
41771fa435
Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
#define USE_THE_INDEX_VARIABLE
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#include "test-tool.h"
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#include "cache.h"
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#include "hex.h"
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#include "tree.h"
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#include "cache-tree.h"
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#include "parse-options.h"
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static char const * const test_cache_tree_usage[] = {
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N_("test-tool cache-tree <options> (control|prime|update)"),
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NULL
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};
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int cmd__cache_tree(int argc, const char **argv)
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{
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struct object_id oid;
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struct tree *tree;
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int empty = 0;
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int invalidate_qty = 0;
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int i;
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struct option options[] = {
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OPT_BOOL(0, "empty", &empty,
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N_("clear the cache tree before each iteration")),
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OPT_INTEGER_F(0, "invalidate", &invalidate_qty,
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N_("number of entries in the cache tree to invalidate (default 0)"),
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PARSE_OPT_NONEG),
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OPT_END()
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};
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setup_git_directory();
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argc = parse_options(argc, argv, NULL, options, test_cache_tree_usage, 0);
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if (repo_read_index(the_repository) < 0)
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die(_("unable to read index file"));
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oidcpy(&oid, &the_index.cache_tree->oid);
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tree = parse_tree_indirect(&oid);
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if (!tree)
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die(_("not a tree object: %s"), oid_to_hex(&oid));
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if (empty) {
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/* clear the cache tree & allocate a new one */
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cache_tree_free(&the_index.cache_tree);
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the_index.cache_tree = cache_tree();
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} else if (invalidate_qty) {
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/* invalidate the specified number of unique paths */
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float f_interval = (float)the_index.cache_nr / invalidate_qty;
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int interval = f_interval < 1.0 ? 1 : (int)f_interval;
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for (i = 0; i < invalidate_qty && i * interval < the_index.cache_nr; i++)
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cache_tree_invalidate_path(&the_index, the_index.cache[i * interval]->name);
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}
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if (argc != 1)
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usage_with_options(test_cache_tree_usage, options);
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else if (!strcmp(argv[0], "prime"))
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prime_cache_tree(the_repository, &the_index, tree);
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else if (!strcmp(argv[0], "update"))
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cache_tree_update(&the_index, WRITE_TREE_SILENT | WRITE_TREE_REPAIR);
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/* use "control" subcommand to specify no-op */
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else if (!!strcmp(argv[0], "control"))
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die(_("Unhandled subcommand '%s'"), argv[0]);
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return 0;
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}
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