If we have a config file like,
[foo]
baz
bar =
and we try something like, "git config --add foo.baz roll", Git will
segfault. Moreover, for "git config --add foo.bar roll", it will
overwrite the original value instead of appending after the existing
empty value. Document these deficiencies in form of a test.
Helped-by: Junio C Hamano <gitster@xxxxxxxxx>
Signed-off-by: Tanay Abhra <tanayabh@xxxxxxxxx>
---
Sorry for this very late reply. I was stuck in a flood affected region
with no internet connectivity for the past week. I am safe now. :)
FWIW, here is the reroll with a set bit in the store struct and an exported
global. I could have done the reroll as you have done, but Jeff had mentioned
that he liked the version with a bit flag more. But you can choose the version
that seems better to you.
t/t1303-wacky-config.sh | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/t/t1303-wacky-config.sh b/t/t1303-wacky-config.sh
index 3a2c819..e5c0f07 100755
--- a/t/t1303-wacky-config.sh
+++ b/t/t1303-wacky-config.sh
@@ -111,4 +111,24 @@ test_expect_success 'unset many entries' '
test_must_fail git config section.key
'
+test_expect_failure '--add appends new value after existing empty value' '
+ cat >expect <<-\EOF &&
+
+
+ fool
+ roll
+ EOF
+ cp .git/config .git/config.old &&
+ test_when_finished "mv .git/config.old .git/config" &&
+ cat >.git/config <<-\EOF &&
+ [foo]
+ baz
+ baz =
+ baz = fool
+ EOF
+ git config --add foo.baz roll &&
+ git config --get-all foo.baz >output &&
+ test_cmp expect output
+'
+
test_done
--
1.9.0.GIT
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