$ git clone -n https://src.fedoraproject.org/rpms/tigervnc.git /var/lib/mock/f40-build-1943598-25170/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/f40-build-1943598-25170/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin 7d26d373f84895c15d423d911c0eafefee9433d8:KOJI_FETCH_HEAD
fatal: unable to access 'https://src.fedoraproject.org/rpms/tigervnc.git/': OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to src.fedoraproject.org:443 
$ git reset --hard 7d26d373f84895c15d423d911c0eafefee9433d8
HEAD is now at 7d26d37 Backport upstream fixes: - vncsession: use /bin/sh if the user shell is not set - add missing comma in default security type list