diff options
Diffstat (limited to 'builtin/grep.c')
| -rw-r--r-- | builtin/grep.c | 76 |
1 files changed, 53 insertions, 23 deletions
diff --git a/builtin/grep.c b/builtin/grep.c index 254c1c7849..0d6e669732 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -4,6 +4,8 @@ * Copyright (c) 2006 Junio C Hamano */ #include "cache.h" +#include "repository.h" +#include "config.h" #include "blob.h" #include "tree.h" #include "commit.h" @@ -73,14 +75,14 @@ static pthread_mutex_t grep_mutex; static inline void grep_lock(void) { - if (num_threads) - pthread_mutex_lock(&grep_mutex); + assert(num_threads); + pthread_mutex_lock(&grep_mutex); } static inline void grep_unlock(void) { - if (num_threads) - pthread_mutex_unlock(&grep_mutex); + assert(num_threads); + pthread_mutex_unlock(&grep_mutex); } /* Signalled when a new work_item is added to todo. */ @@ -224,7 +226,8 @@ static void start_threads(struct grep_opt *opt) int err; struct grep_opt *o = grep_opt_dup(opt); o->output = strbuf_out; - o->debug = 0; + if (i) + o->debug = 0; compile_grep_patterns(o); err = pthread_create(&threads[i], NULL, run, o); @@ -289,8 +292,22 @@ static int grep_cmd_config(const char *var, const char *value, void *cb) if (num_threads < 0) die(_("invalid number of threads specified (%d) for %s"), num_threads, var); +#ifdef NO_PTHREADS + else if (num_threads && num_threads != 1) { + /* + * TRANSLATORS: %s is the configuration + * variable for tweaking threads, currently + * grep.threads + */ + warning(_("no threads support, ignoring %s"), var); + num_threads = 0; + } +#endif } + if (!strcmp(var, "submodule.recurse")) + recurse_submodules = git_config_bool(var, value); + return st; } @@ -327,7 +344,7 @@ static int grep_oid(struct grep_opt *opt, const struct object_id *oid, #ifndef NO_PTHREADS if (num_threads) { - add_work(opt, GREP_SOURCE_SHA1, pathbuf.buf, path, oid); + add_work(opt, GREP_SOURCE_OID, pathbuf.buf, path, oid); strbuf_release(&pathbuf); return 0; } else @@ -336,7 +353,7 @@ static int grep_oid(struct grep_opt *opt, const struct object_id *oid, struct grep_source gs; int hit; - grep_source_init(&gs, GREP_SOURCE_SHA1, pathbuf.buf, path, oid); + grep_source_init(&gs, GREP_SOURCE_OID, pathbuf.buf, path, oid); strbuf_release(&pathbuf); hit = grep_source(opt, &gs); @@ -495,6 +512,8 @@ static void compile_submodule_options(const struct grep_opt *opt, break; case GREP_PATTERN_TYPE_UNSPECIFIED: break; + default: + die("BUG: Added a new grep pattern type without updating switch statement"); } for (pattern = opt->pattern_list; pattern != NULL; @@ -524,7 +543,7 @@ static void compile_submodule_options(const struct grep_opt *opt, * submodule process has its own thread pool. */ argv_array_pushf(&submodule_options, "--threads=%d", - (num_threads + 1) / 2); + DIV_ROUND_UP(num_threads, 2)); /* Add Pathspecs */ argv_array_push(&submodule_options, "--"); @@ -570,7 +589,7 @@ static int grep_submodule_launch(struct grep_opt *opt, * with the object's name: 'tree-name:filename'. In order to * provide uniformity of output we want to pass the name of the * parent project's object name to the submodule so the submodule can - * prefix its output with the parent's name and not its own SHA1. + * prefix its output with the parent's name and not its own OID. */ if (gs->identifier && end_of_base) argv_array_pushf(&cp.args, "--parent-basename=%.*s", @@ -583,12 +602,12 @@ static int grep_submodule_launch(struct grep_opt *opt, * If there is a tree identifier for the submodule, add the * rev after adding the submodule options but before the * pathspecs. To do this we listen for the '--' and insert the - * sha1 before pushing the '--' onto the child process argv + * oid before pushing the '--' onto the child process argv * array. */ if (gs->identifier && !strcmp("--", submodule_options.argv[i])) { - argv_array_push(&cp.args, sha1_to_hex(gs->identifier)); + argv_array_push(&cp.args, oid_to_hex(gs->identifier)); } argv_array_push(&cp.args, submodule_options.argv[i]); @@ -618,21 +637,21 @@ static int grep_submodule_launch(struct grep_opt *opt, /* * Prep grep structures for a submodule grep - * sha1: the sha1 of the submodule or NULL if using the working tree + * oid: the oid of the submodule or NULL if using the working tree * filename: name of the submodule including tree name of parent * path: location of the submodule */ -static int grep_submodule(struct grep_opt *opt, const unsigned char *sha1, +static int grep_submodule(struct grep_opt *opt, const struct object_id *oid, const char *filename, const char *path) { - if (!is_submodule_initialized(path)) + if (!is_submodule_active(the_repository, path)) return 0; if (!is_submodule_populated_gently(path, NULL)) { /* - * If searching history, check for the presense of the + * If searching history, check for the presence of the * submodule's gitdir before skipping the submodule. */ - if (sha1) { + if (oid) { const struct submodule *sub = submodule_from_path(null_sha1, path); if (sub) @@ -647,7 +666,7 @@ static int grep_submodule(struct grep_opt *opt, const unsigned char *sha1, #ifndef NO_PTHREADS if (num_threads) { - add_work(opt, GREP_SOURCE_SUBMODULE, filename, path, sha1); + add_work(opt, GREP_SOURCE_SUBMODULE, filename, path, oid); return 0; } else #endif @@ -656,7 +675,7 @@ static int grep_submodule(struct grep_opt *opt, const unsigned char *sha1, int hit; grep_source_init(&gs, GREP_SOURCE_SUBMODULE, - filename, path, sha1); + filename, path, oid); hit = grep_submodule_launch(opt, &gs); grep_source_clear(&gs); @@ -775,7 +794,7 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, check_attr); free(data); } else if (recurse_submodules && S_ISGITLINK(entry.mode)) { - hit |= grep_submodule(opt, entry.oid->hash, base->buf, + hit |= grep_submodule(opt, entry.oid, base->buf, base->buf + tn_len); } @@ -866,7 +885,7 @@ static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, if (exc_std) setup_standard_excludes(&dir); - fill_directory(&dir, pathspec); + fill_directory(&dir, &the_index, pathspec); for (i = 0; i < dir.nr; i++) { if (!dir_path_match(dir.entries[i], pathspec, 0, NULL)) continue; @@ -1154,8 +1173,6 @@ int cmd_grep(int argc, const char **argv, const char *prefix) if (!opt.fixed && opt.ignore_case) opt.regflags |= REG_ICASE; - compile_grep_patterns(&opt); - /* * We have to find "--" in a separate pass, because its presence * influences how we will parse arguments that come before it. @@ -1197,7 +1214,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix) break; } - object = parse_object_or_die(oid.hash, arg); + object = parse_object_or_die(&oid, arg); if (!seen_dashdash) verify_non_filename(prefix, arg); add_object_array_with_path(object, arg, &list, oc.mode, oc.path); @@ -1228,10 +1245,23 @@ int cmd_grep(int argc, const char **argv, const char *prefix) num_threads = GREP_NUM_THREADS_DEFAULT; else if (num_threads < 0) die(_("invalid number of threads specified (%d)"), num_threads); + if (num_threads == 1) + num_threads = 0; #else + if (num_threads) + warning(_("no threads support, ignoring --threads")); num_threads = 0; #endif + if (!num_threads) + /* + * The compiled patterns on the main path are only + * used when not using threading. Otherwise + * start_threads() below calls compile_grep_patterns() + * for each thread. + */ + compile_grep_patterns(&opt); + #ifndef NO_PTHREADS if (num_threads) { if (!(opt.name_only || opt.unmatch_name_only || opt.count) |