$ git clone -n https://src.fedoraproject.org/rpms/perl-Template-Alloy.git /var/lib/mock/f45-build-26499-617/root/chroot_tmpdir/scmroot/perl-Template-Alloy
Cloning into '/var/lib/mock/f45-build-26499-617/root/chroot_tmpdir/scmroot/perl-Template-Alloy'...
$ git fetch origin c1adefff987605b2597371742ac8cd197ecda1a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Template-Alloy
 * [new ref]         c1adefff987605b2597371742ac8cd197ecda1a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1adeff Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild