spec file: do not include BuildRequires for lint by default

Lint is never executed from rpmbuild, so the BuildRequires for lint are
purely informational.

Include them only if %with_lint RPM macro is specified.

Update .travis.yml accordingly.

https://fedorahosted.org/freeipa/ticket/6418

Reviewed-By: Petr Spacek <pspacek@redhat.com>
Reviewed-By: Martin Basti <mbasti@redhat.com>

.travis.yml

@@ -13,4 +13,4 @@ script:
     - >
         docker run -v $PWD:/freeipa -w /freeipa
         martbab/freeipa-fedora-builder:${TRAVIS_BRANCH}-latest
-        /bin/bash -c 'dnf builddep -y --spec freeipa.spec.in && make rpms'
+        /bin/bash -c 'dnf builddep -y -D "with_lint 1" --spec freeipa.spec.in && make rpms'

BUILD.txt

@@ -7,7 +7,7 @@ For more information, see http://www.freeipa.org/page/Build
 
 The quickest way to get the dependencies needed for building is:
 
-# dnf builddep -b --spec freeipa.spec.in
+# dnf builddep -b -D "with_lint 1" --spec freeipa.spec.in
 
 or
 

freeipa.spec.in

@@ -8,6 +8,9 @@
 %global with_python3 1
 %endif
 
+# lint is not executed during rpmbuild
+# %global with_lint 1
+
 %global alt_name ipa
 %if 0%{?rhel}
 %global samba_version 4.0.5-1
@@ -108,6 +111,7 @@ BuildRequires:  python-cffi
 #
 # Build dependencies for lint
 #
+%if 0%{?with_lint}
 BuildRequires:  samba-python
 BuildRequires:  pylint >= 1.0
 # workaround for https://bugzilla.redhat.com/show_bug.cgi?id=1096506
@@ -131,6 +135,7 @@ BuildRequires:  python-sssdconfig
 BuildRequires:  python-nose
 BuildRequires:  python-paste
 BuildRequires:  systemd-python
+%endif # with_lint
 
 #
 # Build dependencies for unit tests