grep " line 3 " error
'
+# good section hygiene
+test_expect_failure 'unsetting the last key in a section removes header' '
+ cat >.git/config <<-\EOF &&
+ # some generic comment on the configuration file itself
+ # a comment specific to this "section" section.
+ [section]
+ # some intervening lines
+ # that should also be dropped
+
+ key = value
+ # please be careful when you update the above variable
+ EOF
+
+ cat >expect <<-\EOF &&
+ # some generic comment on the configuration file itself
+ EOF
+
+ git config --unset section.key &&
+ test_cmp expect .git/config
+'
+
+test_expect_failure 'adding a key into an empty section reuses header' '
+ cat >.git/config <<-\EOF &&
+ [section]
+ EOF
+
+ q_to_tab >expect <<-\EOF &&
+ [section]
+ Qkey = value
+ EOF
+
+ git config section.key value
+ test_cmp expect .git/config
+'
+
test_done