travis: further cleanups

.travis.yml

@@ -16,7 +16,7 @@ before_install:
   - echo -n | openssl s_client -connect scan.coverity.com:443 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' | sudo tee -a /etc/ssl/certs/ca-
 
 script:
-  - sh ./autogen.sh
+  - if [ "${COVERITY_SCAN_BRANCH}" != 1 ]; then sh ./autogen.sh ; fi
   - if [ "${COVERITY_SCAN_BRANCH}" != 1 ]; then ./configure ; fi
   - if [ "${COVERITY_SCAN_BRANCH}" != 1 ]; then make distcheck ; fi
 
@@ -40,6 +40,6 @@ addons:
       name: "pkgconf/pkgconf"
       description: "package compiler and linker metadata toolkit"
     notification_email: nenolod@dereferenced.org
-    build_command_prepend: ./configure
+    build_command_prepend: "sh autogen.sh; ./configure"
     build_command: make
     branch_pattern: coverity