diff options
Diffstat (limited to 'builtin/grep.c')
-rw-r--r-- | builtin/grep.c | 61 |
1 files changed, 56 insertions, 5 deletions
diff --git a/builtin/grep.c b/builtin/grep.c index e6bcdf860c..b86c754def 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -3,8 +3,10 @@ * * Copyright (c) 2006 Junio C Hamano */ -#define USE_THE_INDEX_COMPATIBILITY_MACROS #include "cache.h" +#include "alloc.h" +#include "gettext.h" +#include "hex.h" #include "repository.h" #include "config.h" #include "blob.h" @@ -21,10 +23,15 @@ #include "quote.h" #include "dir.h" #include "pathspec.h" +#include "setup.h" #include "submodule.h" #include "submodule-config.h" +#include "object-file.h" +#include "object-name.h" #include "object-store.h" #include "packfile.h" +#include "pager.h" +#include "write-or-die.h" static const char *grep_prefix; @@ -458,6 +465,33 @@ static int grep_submodule(struct grep_opt *opt, * subrepo's odbs to the in-memory alternates list. */ obj_read_lock(); + + /* + * NEEDSWORK: when reading a submodule, the sparsity settings in the + * superproject are incorrectly forgotten or misused. For example: + * + * 1. "command_requires_full_index" + * When this setting is turned on for `grep`, only the superproject + * knows it. All the submodules are read with their own configs + * and get prepare_repo_settings()'d. Therefore, these submodules + * "forget" the sparse-index feature switch. As a result, the index + * of these submodules are expanded unexpectedly. + * + * 2. "core_apply_sparse_checkout" + * When running `grep` in the superproject, this setting is + * populated using the superproject's configs. However, once + * initialized, this config is globally accessible and is read by + * prepare_repo_settings() for the submodules. For instance, if a + * submodule is using a sparse-checkout, however, the superproject + * is not, the result is that the config from the superproject will + * dictate the behavior for the submodule, making it "forget" its + * sparse-checkout state. + * + * 3. "core_sparse_checkout_cone" + * ditto. + * + * Note that this list is not exhaustive. + */ repo_read_gitmodules(subrepo, 0); /* @@ -520,8 +554,6 @@ static int grep_cache(struct grep_opt *opt, if (repo_read_index(repo) < 0) die(_("index file corrupt")); - /* TODO: audit for interaction with sparse-index. */ - ensure_full_index(repo->index); for (nr = 0; nr < repo->index->cache_nr; nr++) { const struct cache_entry *ce = repo->index->cache[nr]; @@ -530,8 +562,21 @@ static int grep_cache(struct grep_opt *opt, strbuf_setlen(&name, name_base_len); strbuf_addstr(&name, ce->name); + if (S_ISSPARSEDIR(ce->ce_mode)) { + enum object_type type; + struct tree_desc tree; + void *data; + unsigned long size; - if (S_ISREG(ce->ce_mode) && + data = repo_read_object_file(the_repository, &ce->oid, + &type, &size); + init_tree_desc(&tree, data, size); + + hit |= grep_tree(opt, pathspec, &tree, &name, 0, 0); + strbuf_setlen(&name, name_base_len); + strbuf_addstr(&name, ce->name); + free(data); + } else if (S_ISREG(ce->ce_mode) && match_pathspec(repo->index, pathspec, name.buf, name.len, 0, NULL, S_ISDIR(ce->ce_mode) || S_ISGITLINK(ce->ce_mode))) { @@ -614,7 +659,8 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, void *data; unsigned long size; - data = read_object_file(&entry.oid, &type, &size); + data = repo_read_object_file(the_repository, + &entry.oid, &type, &size); if (!data) die(_("unable to read tree (%s)"), oid_to_hex(&entry.oid)); @@ -984,6 +1030,11 @@ int cmd_grep(int argc, const char **argv, const char *prefix) PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_STOP_AT_NON_OPTION); + if (the_repository->gitdir) { + prepare_repo_settings(the_repository); + the_repository->settings.command_requires_full_index = 0; + } + if (use_index && !startup_info->have_repository) { int fallback = 0; git_config_get_bool("grep.fallbacktonoindex", &fallback); |