'verify signed tag fails when public key is not present' \
'git-tag -v signed-tag'
+test_expect_failure \
+ 'git-tag -a fails if tag annotation is empty' '
+ GIT_EDITOR=cat git tag -a initial-comment
+'
+
+test_expect_success \
+ 'message in editor has initial comment' '
+ GIT_EDITOR=cat git tag -a initial-comment > actual
+ # check the first line --- should be empty
+ first=$(sed -e 1q <actual) &&
+ test -z "$first" &&
+ # remove commented lines from the remainder -- should be empty
+ rest=$(sed -e 1d -e '/^#/d' <actual) &&
+ test -z "$rest"
+'
+
+get_tag_header reuse $commit commit $time >expect
+echo "An annotation to be reused" >> expect
+test_expect_success \
+ 'overwriting an annoted tag should use its previous body' '
+ git tag -a -m "An annotation to be reused" reuse &&
+ GIT_EDITOR=true git tag -f -a reuse &&
+ get_tag_msg reuse >actual &&
+ git diff expect actual
+'
+
test_done