"git grep" would segfault if its -f option was used because it would try to use an uninitialized strbuf, so initialize the strbuf. Thanks to Johannes Sixt <j.sixt@xxxxxxxxxxxxx> for the help with the test cases. Signed-off-by: Matt Kraai <kraai@xxxxxxxxx> --- builtin-grep.c | 2 +- t/t7002-grep.sh | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 67 insertions(+), 1 deletions(-) diff --git a/builtin-grep.c b/builtin-grep.c index 761799d..1df25b0 100644 --- a/builtin-grep.c +++ b/builtin-grep.c @@ -631,7 +631,7 @@ static int file_callback(const struct option *opt, const char *arg, int unset) struct grep_opt *grep_opt = opt->value; FILE *patterns; int lno = 0; - struct strbuf sb; + struct strbuf sb = STRBUF_INIT; patterns = fopen(arg, "r"); if (!patterns) diff --git a/t/t7002-grep.sh b/t/t7002-grep.sh index ae56a36..ae5290a 100755 --- a/t/t7002-grep.sh +++ b/t/t7002-grep.sh @@ -213,6 +213,72 @@ test_expect_success 'grep -e A --and --not -e B' ' test_cmp expected actual ' +test_expect_success 'grep -f, non-existent file' ' + test_must_fail git grep -f patterns +' + +cat >expected <<EOF +file:foo mmap bar +file:foo_mmap bar +file:foo_mmap bar mmap +file:foo mmap bar_mmap +file:foo_mmap bar mmap baz +EOF + +cat >pattern <<EOF +mmap +EOF + +test_expect_success 'grep -f, one pattern' ' + git grep -f pattern >actual && + test_cmp expected actual +' + +cat >expected <<EOF +file:foo mmap bar +file:foo_mmap bar +file:foo_mmap bar mmap +file:foo mmap bar_mmap +file:foo_mmap bar mmap baz +t/a/v:vvv +t/v:vvv +v:vvv +EOF + +cat >patterns <<EOF +mmap +vvv +EOF + +test_expect_success 'grep -f, multiple patterns' ' + git grep -f patterns >actual && + test_cmp expected actual +' + +cat >expected <<EOF +file:foo mmap bar +file:foo_mmap bar +file:foo_mmap bar mmap +file:foo mmap bar_mmap +file:foo_mmap bar mmap baz +t/a/v:vvv +t/v:vvv +v:vvv +EOF + +cat >patterns <<EOF + +mmap + +vvv + +EOF + +test_expect_success 'grep -f, ignore empty lines' ' + git grep -f patterns >actual && + test_cmp expected actual +' + cat >expected <<EOF y:y yy -- -- 1.6.5 -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html