fix: -T/--tty disables TTY remote request

See #499

tests/integration/install.bats

@@ -25,3 +25,13 @@ teardown(){
   run "$HOME/.local/bin/abra" -v
   assert_output --partial 'beta'
 }
+
+# bats test_tags=slow
+@test "install release candidate from script" {
+  run bash -c 'curl https://install.abra.coopcloud.tech | bash -s -- --rc'
+  assert_success
+
+  assert_exists "$HOME/.local/bin/abra"
+  run "$HOME/.local/bin/abra" -v
+  assert_output --partial '-rc'
+}

tests/integration/upgrade.bats

@@ -26,3 +26,14 @@ teardown(){
   run "$HOME/.local/bin/abra" -v
   assert_output --partial 'beta'
 }
+
+# bats test_tags=slow
+@test "abra upgrade release candidate" {
+  run $ABRA upgrade --rc
+  assert_success
+  assert_output --partial 'Public interest infrastructure'
+
+  assert_exists "$HOME/.local/bin/abra"
+  run "$HOME/.local/bin/abra" -v
+  assert_output --partial '-rc'
+}