$ git clone -n https://src.fedoraproject.org/rpms/evolution-ews.git /var/lib/mock/f40-build-1931794-25123/root/chroot_tmpdir/scmroot/evolution-ews
Cloning into '/var/lib/mock/f40-build-1931794-25123/root/chroot_tmpdir/scmroot/evolution-ews'...
$ git fetch origin 90e97399b41f54f0fafc46076e44b94b59a042be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/evolution-ews
 * [new ref]         90e97399b41f54f0fafc46076e44b94b59a042be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90e9739 Update to 3.52.4