Empty ranges -LX,+0 and -LX,-0 are nonsensical in the context of blame
yet they are accepted (in fact, both are interpreted as -LX,+2). Report
them as invalid.
Signed-off-by: Eric Sunshine <sunshine@xxxxxxxxxxxxxx>
---
line-range.c | 2 ++
t/annotate-tests.sh | 4 ++--
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/line-range.c b/line-range.c
index 3942475..a816951 100644
--- a/line-range.c
+++ b/line-range.c
@@ -26,6 +26,8 @@ static const char *parse_loc(const char *spec, nth_line_fn_t nth_line,
if (term != spec + 1) {
if (!ret)
return term;
+ if (num == 0)
+ die("-L invalid empty range");
if (spec[0] == '-')
num = 0 - num;
if (0 < num)
diff --git a/t/annotate-tests.sh b/t/annotate-tests.sh
index 0f80cba..01d50c5 100644
--- a/t/annotate-tests.sh
+++ b/t/annotate-tests.sh
@@ -185,7 +185,7 @@ test_expect_success 'blame -L Y,X (undocumented)' '
check_count -L6,3 B 1 B1 1 B2 1 D 1
'
-test_expect_failure 'blame -L X,+0' '
+test_expect_success 'blame -L X,+0' '
test_must_fail $PROG -L1,+0 file
'
@@ -197,7 +197,7 @@ test_expect_success 'blame -L X,+N' '
check_count -L3,+4 B 1 B1 1 B2 1 D 1
'
-test_expect_failure 'blame -L X,-0' '
+test_expect_success 'blame -L X,-0' '
test_must_fail $PROG -L1,-0 file
'
--
1.8.3.4.1120.gc240c48
--
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