$ git clone -n https://src.fedoraproject.org/rpms/php-hamcrest2.git /var/lib/mock/f45-build-27895-626/root/chroot_tmpdir/scmroot/php-hamcrest2
Cloning into '/var/lib/mock/f45-build-27895-626/root/chroot_tmpdir/scmroot/php-hamcrest2'...
$ git fetch origin f418ca85dd387abb7effe27d70fa67feecde2d28:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-hamcrest2
 * [new ref]         f418ca85dd387abb7effe27d70fa67feecde2d28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f418ca8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild