$ git clone -n https://src.fedoraproject.org/rpms/perl-Alien-cmake4.git /var/lib/mock/f45-build-21637-587/root/chroot_tmpdir/scmroot/perl-Alien-cmake4
Cloning into '/var/lib/mock/f45-build-21637-587/root/chroot_tmpdir/scmroot/perl-Alien-cmake4'...
$ git fetch origin 2da92ce96303f32275a57489137a4d7fe92ba104:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Alien-cmake4
 * [new ref]         2da92ce96303f32275a57489137a4d7fe92ba104 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2da92ce Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild