diff options
Diffstat (limited to 'builtin/reset.c')
| -rw-r--r-- | builtin/reset.c | 143 |
1 files changed, 125 insertions, 18 deletions
diff --git a/builtin/reset.c b/builtin/reset.c index 7393595349..344fff8f3a 100644 --- a/builtin/reset.c +++ b/builtin/reset.c @@ -25,6 +25,7 @@ #include "cache-tree.h" #include "submodule.h" #include "submodule-config.h" +#include "dir.h" #define REFRESH_INDEX_DELAY_WARNING_IN_MS (2 * 1000) @@ -136,21 +137,36 @@ static void update_index_from_diff(struct diff_queue_struct *q, int intent_to_add = *(int *)data; for (i = 0; i < q->nr; i++) { + int pos; struct diff_filespec *one = q->queue[i]->one; - int is_missing = !(one->mode && !is_null_oid(&one->oid)); + int is_in_reset_tree = one->mode && !is_null_oid(&one->oid); struct cache_entry *ce; - if (is_missing && !intent_to_add) { + if (!is_in_reset_tree && !intent_to_add) { remove_file_from_cache(one->path); continue; } ce = make_cache_entry(&the_index, one->mode, &one->oid, one->path, 0, 0); + + /* + * If the file 1) corresponds to an existing index entry with + * skip-worktree set, or 2) does not exist in the index but is + * outside the sparse checkout definition, add a skip-worktree bit + * to the new index entry. Note that a sparse index will be expanded + * if this entry is outside the sparse cone - this is necessary + * to properly construct the reset sparse directory. + */ + pos = cache_name_pos(one->path, strlen(one->path)); + if ((pos >= 0 && ce_skip_worktree(active_cache[pos])) || + (pos < 0 && !path_in_sparse_checkout(one->path, &the_index))) + ce->ce_flags |= CE_SKIP_WORKTREE; + if (!ce) die(_("make_cache_entry failed for path '%s'"), one->path); - if (is_missing) { + if (!is_in_reset_tree) { ce->ce_flags |= CE_INTENT_TO_ADD; set_object_name_for_intent_to_add_entry(ce); } @@ -158,6 +174,88 @@ static void update_index_from_diff(struct diff_queue_struct *q, } } +static int pathspec_needs_expanded_index(const struct pathspec *pathspec) +{ + unsigned int i, pos; + int res = 0; + char *skip_worktree_seen = NULL; + + /* + * When using a magic pathspec, assume for the sake of simplicity that + * the index needs to be expanded to match all matchable files. + */ + if (pathspec->magic) + return 1; + + for (i = 0; i < pathspec->nr; i++) { + struct pathspec_item item = pathspec->items[i]; + + /* + * If the pathspec item has a wildcard, the index should be expanded + * if the pathspec has the possibility of matching a subset of entries inside + * of a sparse directory (but not the entire directory). + * + * If the pathspec item is a literal path, the index only needs to be expanded + * if a) the pathspec isn't in the sparse checkout cone (to make sure we don't + * expand for in-cone files) and b) it doesn't match any sparse directories + * (since we can reset whole sparse directories without expanding them). + */ + if (item.nowildcard_len < item.len) { + /* + * Special case: if the pattern is a path inside the cone + * followed by only wildcards, the pattern cannot match + * partial sparse directories, so we know we don't need to + * expand the index. + * + * Examples: + * - in-cone/foo***: doesn't need expanded index + * - not-in-cone/bar*: may need expanded index + * - **.c: may need expanded index + */ + if (strspn(item.original + item.nowildcard_len, "*") == item.len - item.nowildcard_len && + path_in_cone_mode_sparse_checkout(item.original, &the_index)) + continue; + + for (pos = 0; pos < active_nr; pos++) { + struct cache_entry *ce = active_cache[pos]; + + if (!S_ISSPARSEDIR(ce->ce_mode)) + continue; + + /* + * If the pre-wildcard length is longer than the sparse + * directory name and the sparse directory is the first + * component of the pathspec, need to expand the index. + */ + if (item.nowildcard_len > ce_namelen(ce) && + !strncmp(item.original, ce->name, ce_namelen(ce))) { + res = 1; + break; + } + + /* + * If the pre-wildcard length is shorter than the sparse + * directory and the pathspec does not match the whole + * directory, need to expand the index. + */ + if (!strncmp(item.original, ce->name, item.nowildcard_len) && + wildmatch(item.original, ce->name, 0)) { + res = 1; + break; + } + } + } else if (!path_in_cone_mode_sparse_checkout(item.original, &the_index) && + !matches_skip_worktree(pathspec, i, &skip_worktree_seen)) + res = 1; + + if (res > 0) + break; + } + + free(skip_worktree_seen); + return res; +} + static int read_from_tree(const struct pathspec *pathspec, struct object_id *tree_oid, int intent_to_add) @@ -170,13 +268,18 @@ static int read_from_tree(const struct pathspec *pathspec, opt.format_callback = update_index_from_diff; opt.format_callback_data = &intent_to_add; opt.flags.override_submodule_config = 1; + opt.flags.recursive = 1; opt.repo = the_repository; + opt.change = diff_change; + opt.add_remove = diff_addremove; + + if (pathspec->nr && the_index.sparse_index && pathspec_needs_expanded_index(pathspec)) + ensure_full_index(&the_index); if (do_diff_cache(tree_oid, &opt)) return 1; diffcore_std(&opt); diff_flush(&opt); - clear_pathspec(&opt.pathspec); return 0; } @@ -249,9 +352,6 @@ static void parse_args(struct pathspec *pathspec, } *rev_ret = rev; - if (read_cache() < 0) - die(_("index file corrupt")); - parse_pathspec(pathspec, 0, PATHSPEC_PREFER_FULL | (patch_mode ? PATHSPEC_PREFIX_ORIGIN : 0), @@ -292,6 +392,7 @@ static int git_reset_config(const char *var, const char *value, void *cb) int cmd_reset(int argc, const char **argv, const char *prefix) { int reset_type = NONE, update_ref_status = 0, quiet = 0; + int no_refresh = 0; int patch_mode = 0, pathspec_file_nul = 0, unborn; const char *rev, *pathspec_from_file = NULL; struct object_id oid; @@ -299,6 +400,8 @@ int cmd_reset(int argc, const char **argv, const char *prefix) int intent_to_add = 0; const struct option options[] = { OPT__QUIET(&quiet, N_("be quiet, only report errors")), + OPT_BOOL(0, "no-refresh", &no_refresh, + N_("skip refreshing the index after reset")), OPT_SET_INT(0, "mixed", &reset_type, N_("reset HEAD and index"), MIXED), OPT_SET_INT(0, "soft", &reset_type, N_("reset only HEAD"), SOFT), @@ -320,7 +423,6 @@ int cmd_reset(int argc, const char **argv, const char *prefix) }; git_config(git_reset_config, NULL); - git_config_get_bool("reset.quiet", &quiet); argc = parse_options(argc, argv, prefix, options, git_reset_usage, PARSE_OPT_KEEP_DASHDASH); @@ -328,16 +430,16 @@ int cmd_reset(int argc, const char **argv, const char *prefix) if (pathspec_from_file) { if (patch_mode) - die(_("--pathspec-from-file is incompatible with --patch")); + die(_("options '%s' and '%s' cannot be used together"), "--pathspec-from-file", "--patch"); if (pathspec.nr) - die(_("--pathspec-from-file is incompatible with pathspec arguments")); + die(_("'%s' and pathspec arguments cannot be used together"), "--pathspec-from-file"); parse_pathspec_file(&pathspec, 0, PATHSPEC_PREFER_FULL, prefix, pathspec_from_file, pathspec_file_nul); } else if (pathspec_file_nul) { - die(_("--pathspec-file-nul requires --pathspec-from-file")); + die(_("the option '%s' requires '%s'"), "--pathspec-file-nul", "--pathspec-from-file"); } unborn = !strcmp(rev, "HEAD") && get_oid("HEAD", &oid); @@ -364,7 +466,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix) if (patch_mode) { if (reset_type != NONE) - die(_("--patch is incompatible with --{hard,mixed,soft}")); + die(_("options '%s' and '%s' cannot be used together"), "--patch", "--{hard,mixed,soft}"); trace2_cmd_mode("patch-interactive"); return run_add_interactive(rev, "--patch=reset", &pathspec); } @@ -395,7 +497,13 @@ int cmd_reset(int argc, const char **argv, const char *prefix) _(reset_type_names[reset_type])); if (intent_to_add && reset_type != MIXED) - die(_("-N can only be used with --mixed")); + die(_("the option '%s' requires '%s'"), "-N", "--mixed"); + + prepare_repo_settings(the_repository); + the_repository->settings.command_requires_full_index = 0; + + if (read_cache() < 0) + die(_("index file corrupt")); /* Soft reset does not touch the index file nor the working tree * at all, but requires them in a good order. Other resets reset @@ -411,17 +519,16 @@ int cmd_reset(int argc, const char **argv, const char *prefix) if (read_from_tree(&pathspec, &oid, intent_to_add)) return 1; the_index.updated_skipworktree = 1; - if (!quiet && get_git_work_tree()) { + if (!no_refresh && get_git_work_tree()) { uint64_t t_begin, t_delta_in_ms; t_begin = getnanotime(); refresh_index(&the_index, flags, NULL, NULL, _("Unstaged changes after reset:")); t_delta_in_ms = (getnanotime() - t_begin) / 1000000; - if (advice_enabled(ADVICE_RESET_QUIET_WARNING) && t_delta_in_ms > REFRESH_INDEX_DELAY_WARNING_IN_MS) { - printf(_("\nIt took %.2f seconds to enumerate unstaged changes after reset. You can\n" - "use '--quiet' to avoid this. Set the config setting reset.quiet to true\n" - "to make this the default.\n"), t_delta_in_ms / 1000.0); + if (!quiet && advice_enabled(ADVICE_RESET_NO_REFRESH_WARNING) && t_delta_in_ms > REFRESH_INDEX_DELAY_WARNING_IN_MS) { + advise(_("It took %.2f seconds to refresh the index after reset. You can use\n" + "'--no-refresh' to avoid this."), t_delta_in_ms / 1000.0); } } } else { |