diff options
Diffstat (limited to 'builtin/grep.c')
-rw-r--r-- | builtin/grep.c | 113 |
1 files changed, 87 insertions, 26 deletions
diff --git a/builtin/grep.c b/builtin/grep.c index e6bcdf8..5777ba8 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -3,28 +3,32 @@ * * Copyright (c) 2006 Junio C Hamano */ -#define USE_THE_INDEX_COMPATIBILITY_MACROS -#include "cache.h" +#include "builtin.h" +#include "abspath.h" +#include "gettext.h" +#include "hex.h" #include "repository.h" #include "config.h" -#include "blob.h" -#include "tree.h" -#include "commit.h" #include "tag.h" #include "tree-walk.h" -#include "builtin.h" #include "parse-options.h" #include "string-list.h" #include "run-command.h" -#include "userdiff.h" #include "grep.h" #include "quote.h" #include "dir.h" #include "pathspec.h" +#include "setup.h" #include "submodule.h" #include "submodule-config.h" -#include "object-store.h" +#include "object-file.h" +#include "object-name.h" +#include "object-store-ll.h" #include "packfile.h" +#include "pager.h" +#include "path.h" +#include "read-cache-ll.h" +#include "write-or-die.h" static const char *grep_prefix; @@ -283,14 +287,18 @@ static int wait_all(void) return hit; } -static int grep_cmd_config(const char *var, const char *value, void *cb) +static int grep_cmd_config(const char *var, const char *value, + const struct config_context *ctx, void *cb) { - int st = grep_config(var, value, cb); - if (git_color_default_config(var, value, NULL) < 0) + int st = grep_config(var, value, ctx, cb); + + if (git_color_config(var, value, cb) < 0) + st = -1; + else if (git_default_config(var, value, ctx, cb) < 0) st = -1; if (!strcmp(var, "grep.threads")) { - num_threads = git_config_int(var, value); + num_threads = git_config_int(var, value, ctx->kvi); if (num_threads < 0) die(_("invalid number of threads specified (%d) for %s"), num_threads, var); @@ -458,6 +466,33 @@ 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); /* @@ -492,7 +527,7 @@ static int grep_submodule(struct grep_opt *opt, strbuf_addstr(&base, filename); strbuf_addch(&base, '/'); - init_tree_desc(&tree, data, size); + init_tree_desc(&tree, oid, data, size); hit = grep_tree(&subopt, pathspec, &tree, &base, base.len, object_type == OBJ_COMMIT); strbuf_release(&base); @@ -520,8 +555,6 @@ 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 +563,23 @@ 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; + + data = repo_read_object_file(the_repository, &ce->oid, + &type, &size); + if (!data) + die(_("unable to read tree %s"), oid_to_hex(&ce->oid)); + init_tree_desc(&tree, &ce->oid, data, size); - if (S_ISREG(ce->ce_mode) && + 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))) { @@ -594,7 +642,7 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, strbuf_addstr(&name, base->buf + tn_len); match = tree_entry_interesting(repo->index, &entry, &name, - 0, pathspec); + pathspec); strbuf_setlen(&name, name_base_len); if (match == all_entries_not_interesting) @@ -614,13 +662,14 @@ 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)); strbuf_addch(base, '/'); - init_tree_desc(&sub, data, size); + init_tree_desc(&sub, &entry.oid, data, size); hit |= grep_tree(opt, pathspec, &sub, base, tn_len, check_attr); free(data); @@ -664,7 +713,7 @@ static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, strbuf_add(&base, name, len); strbuf_addch(&base, ':'); } - init_tree_desc(&tree, data, size); + init_tree_desc(&tree, &obj->oid, data, size); hit = grep_tree(opt, pathspec, &tree, &base, base.len, obj->type == OBJ_COMMIT); strbuf_release(&base); @@ -762,14 +811,20 @@ static int file_callback(const struct option *opt, const char *arg, int unset) { struct grep_opt *grep_opt = opt->value; int from_stdin; + const char *filename = arg; FILE *patterns; int lno = 0; struct strbuf sb = STRBUF_INIT; BUG_ON_OPT_NEG(unset); - from_stdin = !strcmp(arg, "-"); - patterns = from_stdin ? stdin : fopen(arg, "r"); + if (!*filename) + ; /* leave it as-is */ + else + filename = prefix_filename_except_for_dash(grep_prefix, filename); + + from_stdin = !strcmp(filename, "-"); + patterns = from_stdin ? stdin : fopen(filename, "r"); if (!patterns) die_errno(_("cannot open '%s'"), arg); while (strbuf_getline(&sb, patterns) == 0) { @@ -783,6 +838,8 @@ static int file_callback(const struct option *opt, const char *arg, int unset) if (!from_stdin) fclose(patterns); strbuf_release(&sb); + if (filename != arg) + free((void *)filename); return 0; } @@ -874,9 +931,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix) N_("process binary files with textconv filters")), OPT_SET_INT('r', "recursive", &opt.max_depth, N_("search in subdirectories (default)"), -1), - { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"), - N_("descend at most <depth> levels"), PARSE_OPT_NONEG, - NULL, 1 }, + OPT_INTEGER_F(0, "max-depth", &opt.max_depth, + N_("descend at most <n> levels"), PARSE_OPT_NONEG), OPT_GROUP(""), OPT_SET_INT('E', "extended-regexp", &opt.pattern_type_option, N_("use extended POSIX regular expressions"), @@ -940,7 +996,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix) OPT_CALLBACK_F(0, "and", &opt, NULL, N_("combine patterns specified with -e"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback), - OPT_BOOL(0, "or", &dummy, ""), + OPT_BOOL_F(0, "or", &dummy, "", PARSE_OPT_NONEG), OPT_CALLBACK_F(0, "not", &opt, NULL, "", PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback), OPT_CALLBACK_F('(', NULL, &opt, NULL, "", @@ -984,6 +1040,11 @@ 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); |