upload/receive-pack: allow hiding ref hierarchies
[gitweb.git] / builtin / grep.c
index 0654e0b0f693f9cdd4ba2d7f84c110f7ef8b11b4..0e1b6c860e18c6c47f343fad885cbd24f641862e 100644 (file)
@@ -19,7 +19,7 @@
 #include "dir.h"
 
 static char const * const grep_usage[] = {
-       "git grep [options] [-e] <pattern> [<rev>...] [[--] <path>...]",
+       N_("git grep [options] [-e] <pattern> [<rev>...] [[--] <path>...]"),
        NULL
 };
 
@@ -86,7 +86,7 @@ static pthread_cond_t cond_result;
 static int skip_first_line;
 
 static void add_work(struct grep_opt *opt, enum grep_source_type type,
-                    const char *name, const void *id)
+                    const char *name, const char *path, const void *id)
 {
        grep_lock();
 
@@ -94,7 +94,7 @@ static void add_work(struct grep_opt *opt, enum grep_source_type type,
                pthread_cond_wait(&cond_write, &grep_mutex);
        }
 
-       grep_source_init(&todo[todo_end].source, type, name, id);
+       grep_source_init(&todo[todo_end].source, type, name, path, id);
        if (opt->binary != GREP_BINARY_TEXT)
                grep_source_load_driver(&todo[todo_end].source);
        todo[todo_end].done = 0;
@@ -261,51 +261,12 @@ static int wait_all(void)
 }
 #endif
 
-static int grep_config(const char *var, const char *value, void *cb)
+static int grep_cmd_config(const char *var, const char *value, void *cb)
 {
-       struct grep_opt *opt = cb;
-       char *color = NULL;
-
-       if (userdiff_config(var, value) < 0)
-               return -1;
-
-       if (!strcmp(var, "grep.extendedregexp")) {
-               if (git_config_bool(var, value))
-                       opt->regflags |= REG_EXTENDED;
-               else
-                       opt->regflags &= ~REG_EXTENDED;
-               return 0;
-       }
-
-       if (!strcmp(var, "grep.linenumber")) {
-               opt->linenum = git_config_bool(var, value);
-               return 0;
-       }
-
-       if (!strcmp(var, "color.grep"))
-               opt->color = git_config_colorbool(var, value);
-       else if (!strcmp(var, "color.grep.context"))
-               color = opt->color_context;
-       else if (!strcmp(var, "color.grep.filename"))
-               color = opt->color_filename;
-       else if (!strcmp(var, "color.grep.function"))
-               color = opt->color_function;
-       else if (!strcmp(var, "color.grep.linenumber"))
-               color = opt->color_lineno;
-       else if (!strcmp(var, "color.grep.match"))
-               color = opt->color_match;
-       else if (!strcmp(var, "color.grep.selected"))
-               color = opt->color_selected;
-       else if (!strcmp(var, "color.grep.separator"))
-               color = opt->color_sep;
-       else
-               return git_color_default_config(var, value, cb);
-       if (color) {
-               if (!value)
-                       return config_error_nonbool(var);
-               color_parse(value, var, color);
-       }
-       return 0;
+       int st = grep_config(var, value, cb);
+       if (git_color_default_config(var, value, cb) < 0)
+               st = -1;
+       return st;
 }
 
 static void *lock_and_read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size)
@@ -319,7 +280,8 @@ static void *lock_and_read_sha1_file(const unsigned char *sha1, enum object_type
 }
 
 static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1,
-                    const char *filename, int tree_name_len)
+                    const char *filename, int tree_name_len,
+                    const char *path)
 {
        struct strbuf pathbuf = STRBUF_INIT;
 
@@ -333,7 +295,7 @@ static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1,
 
 #ifndef NO_PTHREADS
        if (use_threads) {
-               add_work(opt, GREP_SOURCE_SHA1, pathbuf.buf, sha1);
+               add_work(opt, GREP_SOURCE_SHA1, pathbuf.buf, path, sha1);
                strbuf_release(&pathbuf);
                return 0;
        } else
@@ -342,7 +304,7 @@ static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1,
                struct grep_source gs;
                int hit;
 
-               grep_source_init(&gs, GREP_SOURCE_SHA1, pathbuf.buf, sha1);
+               grep_source_init(&gs, GREP_SOURCE_SHA1, pathbuf.buf, path, sha1);
                strbuf_release(&pathbuf);
                hit = grep_source(opt, &gs);
 
@@ -362,7 +324,7 @@ static int grep_file(struct grep_opt *opt, const char *filename)
 
 #ifndef NO_PTHREADS
        if (use_threads) {
-               add_work(opt, GREP_SOURCE_FILE, buf.buf, filename);
+               add_work(opt, GREP_SOURCE_FILE, buf.buf, filename, filename);
                strbuf_release(&buf);
                return 0;
        } else
@@ -371,7 +333,7 @@ static int grep_file(struct grep_opt *opt, const char *filename)
                struct grep_source gs;
                int hit;
 
-               grep_source_init(&gs, GREP_SOURCE_FILE, buf.buf, filename);
+               grep_source_init(&gs, GREP_SOURCE_FILE, buf.buf, filename, filename);
                strbuf_release(&buf);
                hit = grep_source(opt, &gs);
 
@@ -427,7 +389,7 @@ static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int
                if (cached || (ce->ce_flags & CE_VALID) || ce_skip_worktree(ce)) {
                        if (ce_stage(ce))
                                continue;
-                       hit |= grep_sha1(opt, ce->sha1, ce->name, 0);
+                       hit |= grep_sha1(opt, ce->sha1, ce->name, 0, ce->name);
                }
                else
                        hit |= grep_file(opt, ce->name);
@@ -445,7 +407,8 @@ static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int
 }
 
 static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
-                    struct tree_desc *tree, struct strbuf *base, int tn_len)
+                    struct tree_desc *tree, struct strbuf *base, int tn_len,
+                    int check_attr)
 {
        int hit = 0;
        enum interesting match = entry_not_interesting;
@@ -466,7 +429,8 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
                strbuf_add(base, entry.path, te_len);
 
                if (S_ISREG(entry.mode)) {
-                       hit |= grep_sha1(opt, entry.sha1, base->buf, tn_len);
+                       hit |= grep_sha1(opt, entry.sha1, base->buf, tn_len,
+                                        check_attr ? base->buf + tn_len : NULL);
                }
                else if (S_ISDIR(entry.mode)) {
                        enum object_type type;
@@ -481,7 +445,8 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
 
                        strbuf_addch(base, '/');
                        init_tree_desc(&sub, data, size);
-                       hit |= grep_tree(opt, pathspec, &sub, base, tn_len);
+                       hit |= grep_tree(opt, pathspec, &sub, base, tn_len,
+                                        check_attr);
                        free(data);
                }
                strbuf_setlen(base, old_baselen);
@@ -496,7 +461,7 @@ static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec,
                       struct object *obj, const char *name)
 {
        if (obj->type == OBJ_BLOB)
-               return grep_sha1(opt, obj->sha1, name, 0);
+               return grep_sha1(opt, obj->sha1, name, 0, NULL);
        if (obj->type == OBJ_COMMIT || obj->type == OBJ_TREE) {
                struct tree_desc tree;
                void *data;
@@ -519,7 +484,8 @@ static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec,
                        strbuf_addch(&base, ':');
                }
                init_tree_desc(&tree, data, size);
-               hit = grep_tree(opt, pathspec, &tree, &base, base.len);
+               hit = grep_tree(opt, pathspec, &tree, &base, base.len,
+                               obj->type == OBJ_COMMIT);
                strbuf_release(&base);
                free(data);
                return hit;
@@ -670,95 +636,88 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
        int i;
        int dummy;
        int use_index = 1;
-       enum {
-               pattern_type_unspecified = 0,
-               pattern_type_bre,
-               pattern_type_ere,
-               pattern_type_fixed,
-               pattern_type_pcre,
-       };
-       int pattern_type = pattern_type_unspecified;
+       int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED;
 
        struct option options[] = {
                OPT_BOOLEAN(0, "cached", &cached,
-                       "search in index instead of in the work tree"),
+                       N_("search in index instead of in the work tree")),
                OPT_NEGBIT(0, "no-index", &use_index,
-                        "finds in contents not managed by git", 1),
+                        N_("find in contents not managed by git"), 1),
                OPT_BOOLEAN(0, "untracked", &untracked,
-                       "search in both tracked and untracked files"),
+                       N_("search in both tracked and untracked files")),
                OPT_SET_INT(0, "exclude-standard", &opt_exclude,
-                           "search also in ignored files", 1),
+                           N_("search also in ignored files"), 1),
                OPT_GROUP(""),
                OPT_BOOLEAN('v', "invert-match", &opt.invert,
-                       "show non-matching lines"),
+                       N_("show non-matching lines")),
                OPT_BOOLEAN('i', "ignore-case", &opt.ignore_case,
-                       "case insensitive matching"),
+                       N_("case insensitive matching")),
                OPT_BOOLEAN('w', "word-regexp", &opt.word_regexp,
-                       "match patterns only at word boundaries"),
+                       N_("match patterns only at word boundaries")),
                OPT_SET_INT('a', "text", &opt.binary,
-                       "process binary files as text", GREP_BINARY_TEXT),
+                       N_("process binary files as text"), GREP_BINARY_TEXT),
                OPT_SET_INT('I', NULL, &opt.binary,
-                       "don't match patterns in binary files",
+                       N_("don't match patterns in binary files"),
                        GREP_BINARY_NOMATCH),
-               { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, "depth",
-                       "descend at most <depth> levels", PARSE_OPT_NONEG,
+               { OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"),
+                       N_("descend at most <depth> levels"), PARSE_OPT_NONEG,
                        NULL, 1 },
                OPT_GROUP(""),
-               OPT_SET_INT('E', "extended-regexp", &pattern_type,
-                           "use extended POSIX regular expressions",
-                           pattern_type_ere),
-               OPT_SET_INT('G', "basic-regexp", &pattern_type,
-                           "use basic POSIX regular expressions (default)",
-                           pattern_type_bre),
-               OPT_SET_INT('F', "fixed-strings", &pattern_type,
-                           "interpret patterns as fixed strings",
-                           pattern_type_fixed),
-               OPT_SET_INT('P', "perl-regexp", &pattern_type,
-                           "use Perl-compatible regular expressions",
-                           pattern_type_pcre),
+               OPT_SET_INT('E', "extended-regexp", &pattern_type_arg,
+                           N_("use extended POSIX regular expressions"),
+                           GREP_PATTERN_TYPE_ERE),
+               OPT_SET_INT('G', "basic-regexp", &pattern_type_arg,
+                           N_("use basic POSIX regular expressions (default)"),
+                           GREP_PATTERN_TYPE_BRE),
+               OPT_SET_INT('F', "fixed-strings", &pattern_type_arg,
+                           N_("interpret patterns as fixed strings"),
+                           GREP_PATTERN_TYPE_FIXED),
+               OPT_SET_INT('P', "perl-regexp", &pattern_type_arg,
+                           N_("use Perl-compatible regular expressions"),
+                           GREP_PATTERN_TYPE_PCRE),
                OPT_GROUP(""),
-               OPT_BOOLEAN('n', "line-number", &opt.linenum, "show line numbers"),
-               OPT_NEGBIT('h', NULL, &opt.pathname, "don't show filenames", 1),
-               OPT_BIT('H', NULL, &opt.pathname, "show filenames", 1),
+               OPT_BOOLEAN('n', "line-number", &opt.linenum, N_("show line numbers")),
+               OPT_NEGBIT('h', NULL, &opt.pathname, N_("don't show filenames"), 1),
+               OPT_BIT('H', NULL, &opt.pathname, N_("show filenames"), 1),
                OPT_NEGBIT(0, "full-name", &opt.relative,
-                       "show filenames relative to top directory", 1),
+                       N_("show filenames relative to top directory"), 1),
                OPT_BOOLEAN('l', "files-with-matches", &opt.name_only,
-                       "show only filenames instead of matching lines"),
+                       N_("show only filenames instead of matching lines")),
                OPT_BOOLEAN(0, "name-only", &opt.name_only,
-                       "synonym for --files-with-matches"),
+                       N_("synonym for --files-with-matches")),
                OPT_BOOLEAN('L', "files-without-match",
                        &opt.unmatch_name_only,
-                       "show only the names of files without match"),
+                       N_("show only the names of files without match")),
                OPT_BOOLEAN('z', "null", &opt.null_following_name,
-                       "print NUL after filenames"),
+                       N_("print NUL after filenames")),
                OPT_BOOLEAN('c', "count", &opt.count,
-                       "show the number of matches instead of matching lines"),
-               OPT__COLOR(&opt.color, "highlight matches"),
+                       N_("show the number of matches instead of matching lines")),
+               OPT__COLOR(&opt.color, N_("highlight matches")),
                OPT_BOOLEAN(0, "break", &opt.file_break,
-                       "print empty line between matches from different files"),
+                       N_("print empty line between matches from different files")),
                OPT_BOOLEAN(0, "heading", &opt.heading,
-                       "show filename only once above matches from same file"),
+                       N_("show filename only once above matches from same file")),
                OPT_GROUP(""),
-               OPT_CALLBACK('C', "context", &opt, "n",
-                       "show <n> context lines before and after matches",
+               OPT_CALLBACK('C', "context", &opt, N_("n"),
+                       N_("show <n> context lines before and after matches"),
                        context_callback),
                OPT_INTEGER('B', "before-context", &opt.pre_context,
-                       "show <n> context lines before matches"),
+                       N_("show <n> context lines before matches")),
                OPT_INTEGER('A', "after-context", &opt.post_context,
-                       "show <n> context lines after matches"),
-               OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM",
+                       N_("show <n> context lines after matches")),
+               OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"),
                        context_callback),
                OPT_BOOLEAN('p', "show-function", &opt.funcname,
-                       "show a line with the function name before matches"),
+                       N_("show a line with the function name before matches")),
                OPT_BOOLEAN('W', "function-context", &opt.funcbody,
-                       "show the surrounding function"),
+                       N_("show the surrounding function")),
                OPT_GROUP(""),
-               OPT_CALLBACK('f', NULL, &opt, "file",
-                       "read patterns from file", file_callback),
-               { OPTION_CALLBACK, 'e', NULL, &opt, "pattern",
-                       "match <pattern>", PARSE_OPT_NONEG, pattern_callback },
+               OPT_CALLBACK('f', NULL, &opt, N_("file"),
+                       N_("read patterns from file"), file_callback),
+               { OPTION_CALLBACK, 'e', NULL, &opt, N_("pattern"),
+                       N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback },
                { OPTION_CALLBACK, 0, "and", &opt, NULL,
-                 "combine patterns specified with -e",
+                 N_("combine patterns specified with -e"),
                  PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback },
                OPT_BOOLEAN(0, "or", &dummy, ""),
                { OPTION_CALLBACK, 0, "not", &opt, NULL, "",
@@ -770,19 +729,19 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
                  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
                  close_callback },
                OPT__QUIET(&opt.status_only,
-                          "indicate hit with exit status without output"),
+                          N_("indicate hit with exit status without output")),
                OPT_BOOLEAN(0, "all-match", &opt.all_match,
-                       "show only matches from files that match all patterns"),
+                       N_("show only matches from files that match all patterns")),
                { OPTION_SET_INT, 0, "debug", &opt.debug, NULL,
-                 "show parse tree for grep expression",
+                 N_("show parse tree for grep expression"),
                  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 1 },
                OPT_GROUP(""),
                { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager,
-                       "pager", "show matching files in the pager",
+                       N_("pager"), N_("show matching files in the pager"),
                        PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager },
                OPT_BOOLEAN(0, "ext-grep", &external_grep_allowed__ignored,
-                           "allow calling of grep(1) (ignored by this build)"),
-               { OPTION_CALLBACK, 0, "help-all", &options, NULL, "show usage",
+                           N_("allow calling of grep(1) (ignored by this build)")),
+               { OPTION_CALLBACK, 0, "help-all", &options, NULL, N_("show usage"),
                  PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback },
                OPT_END()
        };
@@ -794,25 +753,9 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
        if (argc == 2 && !strcmp(argv[1], "-h"))
                usage_with_options(grep_usage, options);
 
-       memset(&opt, 0, sizeof(opt));
-       opt.prefix = prefix;
-       opt.prefix_length = (prefix && *prefix) ? strlen(prefix) : 0;
-       opt.relative = 1;
-       opt.pathname = 1;
-       opt.pattern_tail = &opt.pattern_list;
-       opt.header_tail = &opt.header_list;
-       opt.regflags = REG_NEWLINE;
-       opt.max_depth = -1;
-
-       strcpy(opt.color_context, "");
-       strcpy(opt.color_filename, "");
-       strcpy(opt.color_function, "");
-       strcpy(opt.color_lineno, "");
-       strcpy(opt.color_match, GIT_COLOR_BOLD_RED);
-       strcpy(opt.color_selected, "");
-       strcpy(opt.color_sep, GIT_COLOR_CYAN);
-       opt.color = -1;
-       git_config(grep_config, &opt);
+       init_grep_defaults();
+       git_config(grep_cmd_config, NULL);
+       grep_init(&opt, prefix);
 
        /*
         * If there is no -- then the paths must exist in the working
@@ -828,28 +771,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
                             PARSE_OPT_KEEP_DASHDASH |
                             PARSE_OPT_STOP_AT_NON_OPTION |
                             PARSE_OPT_NO_INTERNAL_HELP);
-       switch (pattern_type) {
-       case pattern_type_fixed:
-               opt.fixed = 1;
-               opt.pcre = 0;
-               break;
-       case pattern_type_bre:
-               opt.fixed = 0;
-               opt.pcre = 0;
-               opt.regflags &= ~REG_EXTENDED;
-               break;
-       case pattern_type_ere:
-               opt.fixed = 0;
-               opt.pcre = 0;
-               opt.regflags |= REG_EXTENDED;
-               break;
-       case pattern_type_pcre:
-               opt.fixed = 0;
-               opt.pcre = 1;
-               break;
-       default:
-               break; /* nothing */
-       }
+       grep_commit_pattern_type(pattern_type_arg, &opt);
 
        if (use_index && !startup_info->have_repository)
                /* die the same way as if we did it at the beginning */