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-rw-r--r--builtin-grep.c2
-rwxr-xr-xt/t7002-grep.sh66
2 files changed, 67 insertions, 1 deletions
diff --git a/builtin-grep.c b/builtin-grep.c
index fd450bc16e..e3b940b933 100644
--- a/builtin-grep.c
+++ b/builtin-grep.c
@@ -599,7 +599,7 @@ 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 6ca11d7146..5f91d82297 100755
--- a/t/t7002-grep.sh
+++ b/t/t7002-grep.sh
@@ -164,6 +164,72 @@ 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
--