diff options
| -rw-r--r-- | Documentation/git-grep.txt | 4 | ||||
| -rw-r--r-- | grep.c | 33 | ||||
| -rw-r--r-- | grep.h | 2 | ||||
| -rwxr-xr-x | t/t7810-grep.sh | 5 |
4 files changed, 41 insertions, 3 deletions
diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt index e150c77cf..c3306f3a3 100644 --- a/Documentation/git-grep.txt +++ b/Documentation/git-grep.txt @@ -29,7 +29,9 @@ SYNOPSIS DESCRIPTION ----------- Look for specified patterns in the tracked files in the work tree, blobs -registered in the index file, or blobs in given tree objects. +registered in the index file, or blobs in given tree objects. Patterns +are lists of one or more search expressions separated by newline +characters. An empty string as search expression matches all lines. CONFIGURATION @@ -9,7 +9,7 @@ static struct grep_pat *create_grep_pat(const char *pat, size_t patlen, enum grep_header_field field) { struct grep_pat *p = xcalloc(1, sizeof(*p)); - p->pattern = pat; + p->pattern = xmemdupz(pat, patlen); p->patternlen = patlen; p->origin = origin; p->no = no; @@ -23,6 +23,36 @@ static void do_append_grep_pat(struct grep_pat ***tail, struct grep_pat *p) **tail = p; *tail = &p->next; p->next = NULL; + + switch (p->token) { + case GREP_PATTERN: /* atom */ + case GREP_PATTERN_HEAD: + case GREP_PATTERN_BODY: + for (;;) { + struct grep_pat *new_pat; + size_t len = 0; + char *cp = p->pattern + p->patternlen, *nl = NULL; + while (++len <= p->patternlen) { + if (*(--cp) == '\n') { + nl = cp; + break; + } + } + if (!nl) + break; + new_pat = create_grep_pat(nl + 1, len - 1, p->origin, + p->no, p->token, p->field); + new_pat->next = p->next; + if (!p->next) + *tail = &new_pat->next; + p->next = new_pat; + *nl = '\0'; + p->patternlen -= len; + } + break; + default: + break; + } } void append_header_grep_pattern(struct grep_opt *opt, @@ -408,6 +438,7 @@ void free_grep_patterns(struct grep_opt *opt) free_pcre_regexp(p); else regfree(&p->regexp); + free(p->pattern); break; default: break; @@ -35,7 +35,7 @@ struct grep_pat { const char *origin; int no; enum grep_pat_token token; - const char *pattern; + char *pattern; size_t patternlen; enum grep_header_field field; regex_t regexp; diff --git a/t/t7810-grep.sh b/t/t7810-grep.sh index 6379ad60b..bc9a52208 100755 --- a/t/t7810-grep.sh +++ b/t/t7810-grep.sh @@ -322,6 +322,11 @@ test_expect_success 'grep -f, multiple patterns' ' test_cmp expected actual ' +test_expect_success 'grep, multiple patterns' ' + git grep "$(cat patterns)" >actual && + test_cmp expected actual +' + cat >expected <<EOF file:foo mmap bar file:foo_mmap bar |