Use https instead of git when building documentation

fmt.spec

@@ -6,6 +6,8 @@ Summary:        Small, safe and fast formatting library for C++
 License:        BSD
 URL:            https://github.com/fmtlib/fmt
 Source0:        https://github.com/fmtlib/fmt/archive/%{version}.tar.gz#/%{name}-%{version}.tar.gz
+# See https://github.com/fmtlib/fmt/issues/443
+Patch0:         fmt_build_github.patch
 
 %if 0%{?rhel}
 BuildRequires:  cmake3

fmt_build_github.patch

@@ -0,0 +1,11 @@
+--- a/doc/build.py
++++ b/doc/build.py
+@@ -14,7 +14,7 @@
+     #if check_version in output:
+     #  print('{} already installed'.format(package))
+     #  return
+-    package = 'git+git://github.com/{0}.git@{1}'.format(package, commit)
++    package = 'git+https://github.com/{0}.git@{1}'.format(package, commit)
+   print('Installing {}'.format(package))
+   check_call(['pip', 'install', package])
+