diff options
| -rw-r--r-- | Documentation/git-grep.txt | 5 | ||||
| -rw-r--r-- | builtin-grep.c | 56 | ||||
| -rwxr-xr-x | contrib/completion/git-completion.bash | 1 | ||||
| -rw-r--r-- | grep.h | 1 | ||||
| -rwxr-xr-x | t/t7002-grep.sh | 51 |
5 files changed, 103 insertions, 11 deletions
diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt index b753c9d76f..8c700200f5 100644 --- a/Documentation/git-grep.txt +++ b/Documentation/git-grep.txt @@ -17,6 +17,7 @@ SYNOPSIS [-l | --files-with-matches] [-L | --files-without-match] [-z | --null] [-c | --count] [--all-match] + [--max-depth <depth>] [--color | --no-color] [-A <post-context>] [-B <pre-context>] [-C <context>] [-f <file>] [-e] <pattern> @@ -47,6 +48,10 @@ OPTIONS -I:: Don't match the pattern in binary files. +--max-depth <depth>:: + For each pathspec given on command line, descend at most <depth> + levels of directories. A negative value means no limit. + -w:: --word-regexp:: Match the pattern only at word boundary (either begin at the diff --git a/builtin-grep.c b/builtin-grep.c index f477659100..ad0e0a5385 100644 --- a/builtin-grep.c +++ b/builtin-grep.c @@ -53,25 +53,57 @@ static int grep_config(const char *var, const char *value, void *cb) } /* + * Return non-zero if max_depth is negative or path has no more then max_depth + * slashes. + */ +static int accept_subdir(const char *path, int max_depth) +{ + if (max_depth < 0) + return 1; + + while ((path = strchr(path, '/')) != NULL) { + max_depth--; + if (max_depth < 0) + return 0; + path++; + } + return 1; +} + +/* + * Return non-zero if name is a subdirectory of match and is not too deep. + */ +static int is_subdir(const char *name, int namelen, + const char *match, int matchlen, int max_depth) +{ + if (matchlen > namelen || strncmp(name, match, matchlen)) + return 0; + + if (name[matchlen] == '\0') /* exact match */ + return 1; + + if (!matchlen || match[matchlen-1] == '/' || name[matchlen] == '/') + return accept_subdir(name + matchlen + 1, max_depth); + + return 0; +} + +/* * git grep pathspecs are somewhat different from diff-tree pathspecs; * pathname wildcards are allowed. */ -static int pathspec_matches(const char **paths, const char *name) +static int pathspec_matches(const char **paths, const char *name, int max_depth) { int namelen, i; if (!paths || !*paths) - return 1; + return accept_subdir(name, max_depth); namelen = strlen(name); for (i = 0; paths[i]; i++) { const char *match = paths[i]; int matchlen = strlen(match); const char *cp, *meta; - if (!matchlen || - ((matchlen <= namelen) && - !strncmp(name, match, matchlen) && - (match[matchlen-1] == '/' || - name[matchlen] == '\0' || name[matchlen] == '/'))) + if (is_subdir(name, namelen, match, matchlen, max_depth)) return 1; if (!fnmatch(match, name, 0)) return 1; @@ -421,7 +453,7 @@ static int external_grep(struct grep_opt *opt, const char **paths, int cached) int kept; if (!S_ISREG(ce->ce_mode)) continue; - if (!pathspec_matches(paths, ce->name)) + if (!pathspec_matches(paths, ce->name, opt->max_depth)) continue; name = ce->name; if (name[0] == '-') { @@ -478,7 +510,7 @@ static int grep_cache(struct grep_opt *opt, const char **paths, int cached, struct cache_entry *ce = active_cache[nr]; if (!S_ISREG(ce->ce_mode)) continue; - if (!pathspec_matches(paths, ce->name)) + if (!pathspec_matches(paths, ce->name, opt->max_depth)) continue; /* * If CE_VALID is on, we assume worktree file and its cache entry @@ -538,7 +570,7 @@ static int grep_tree(struct grep_opt *opt, const char **paths, strbuf_addch(&pathbuf, '/'); down = pathbuf.buf + tn_len; - if (!pathspec_matches(paths, down)) + if (!pathspec_matches(paths, down, opt->max_depth)) ; else if (S_ISREG(entry.mode)) hit |= grep_sha1(opt, entry.sha1, pathbuf.buf, tn_len); @@ -692,6 +724,9 @@ int cmd_grep(int argc, const char **argv, const char *prefix) OPT_SET_INT('I', NULL, &opt.binary, "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, + NULL, 1 }, OPT_GROUP(""), OPT_BIT('E', "extended-regexp", &opt.regflags, "use extended POSIX regular expressions", REG_EXTENDED), @@ -768,6 +803,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix) opt.pathname = 1; opt.pattern_tail = &opt.pattern_list; opt.regflags = REG_NEWLINE; + opt.max_depth = -1; strcpy(opt.color_match, GIT_COLOR_RED GIT_COLOR_BOLD); opt.color = -1; diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash index 745b5fb78b..5543dc4d14 100755 --- a/contrib/completion/git-completion.bash +++ b/contrib/completion/git-completion.bash @@ -1047,6 +1047,7 @@ _git_grep () --extended-regexp --basic-regexp --fixed-strings --files-with-matches --name-only --files-without-match + --max-depth --count --and --or --not --all-match " @@ -79,6 +79,7 @@ struct grep_opt { int pathname; int null_following_name; int color; + int max_depth; int funcname; char color_match[COLOR_MAXLEN]; const char *color_external; diff --git a/t/t7002-grep.sh b/t/t7002-grep.sh index b13aa7e89a..b4709e28b5 100755 --- a/t/t7002-grep.sh +++ b/t/t7002-grep.sh @@ -25,13 +25,17 @@ test_expect_success setup ' echo foo mmap bar_mmap echo foo_mmap bar mmap baz } >file && + echo vvv >v && echo ww w >w && echo x x xx x >x && echo y yy >y && echo zzz > z && mkdir t && echo test >t/t && - git add file w x y z t/t hello.c && + echo vvv >t/v && + mkdir t/a && + echo vvv >t/a/v && + git add . && test_tick && git commit -m initial ' @@ -132,6 +136,51 @@ do ! git grep -c test $H | grep /dev/null ' + test_expect_success "grep --max-depth -1 $L" ' + { + echo ${HC}t/a/v:1:vvv + echo ${HC}t/v:1:vvv + echo ${HC}v:1:vvv + } >expected && + git grep --max-depth -1 -n -e vvv $H >actual && + test_cmp expected actual + ' + + test_expect_success "grep --max-depth 0 $L" ' + { + echo ${HC}v:1:vvv + } >expected && + git grep --max-depth 0 -n -e vvv $H >actual && + test_cmp expected actual + ' + + test_expect_success "grep --max-depth 0 -- '*' $L" ' + { + echo ${HC}t/a/v:1:vvv + echo ${HC}t/v:1:vvv + echo ${HC}v:1:vvv + } >expected && + git grep --max-depth 0 -n -e vvv $H -- "*" >actual && + test_cmp expected actual + ' + + test_expect_success "grep --max-depth 1 $L" ' + { + echo ${HC}t/v:1:vvv + echo ${HC}v:1:vvv + } >expected && + git grep --max-depth 1 -n -e vvv $H >actual && + test_cmp expected actual + ' + + test_expect_success "grep --max-depth 0 -- t $L" ' + { + echo ${HC}t/v:1:vvv + } >expected && + git grep --max-depth 0 -n -e vvv $H -- t >actual && + test_cmp expected actual + ' + done cat >expected <<EOF |