test_cmp expect file
'
+test_expect_success 'am -s unexpected trailer block' '
+ rm -fr .git/rebase-apply &&
+ git reset --hard &&
+ echo signed >file &&
+ git add file &&
+ cat >msg <<-EOF &&
+ subject here
+
+ Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>
+ [jc: tweaked log message]
+ Signed-off-by: J C H <j@c.h>
+ EOF
+ git commit -F msg &&
+ git cat-file commit HEAD | sed -e '1,/^$/d' >original &&
+ git format-patch --stdout -1 >patch &&
+
+ git reset --hard HEAD^ &&
+ git am -s patch &&
+ (
+ cat original &&
+ echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
+ ) >expect &&
+ git cat-file commit HEAD | sed -e '1,/^$/d' >actual &&
+ test_cmp expect actual &&
+
+ cat >msg <<-\EOF &&
+ subject here
+
+ We make sure that there is a blank line between the log
+ message proper and Signed-off-by: line added.
+ EOF
+ git reset HEAD^ &&
+ git commit -F msg file &&
+ git cat-file commit HEAD | sed -e '1,/^$/d' >original &&
+ git format-patch --stdout -1 >patch &&
+
+ git reset --hard HEAD^ &&
+ git am -s patch &&
+
+ (
+ cat original &&
+ echo &&
+ echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
+ ) >expect &&
+ git cat-file commit HEAD | sed -e '1,/^$/d' >actual &&
+ test_cmp expect actual
+'
+
test_done