$ git clone -n https://src.fedoraproject.org/rpms/perl-App-Cache.git /var/lib/mock/f45-build-21698-587/root/chroot_tmpdir/scmroot/perl-App-Cache
Cloning into '/var/lib/mock/f45-build-21698-587/root/chroot_tmpdir/scmroot/perl-App-Cache'...
$ git fetch origin 41fd43cdfdeb22684cf0f031ed52c36044382fb7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-App-Cache
 * [new ref]         41fd43cdfdeb22684cf0f031ed52c36044382fb7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41fd43c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild