$ git clone -n https://src.fedoraproject.org/rpms/perl-HTTP-Server-Simple-Static.git /var/lib/mock/f45-build-24042-601/root/chroot_tmpdir/scmroot/perl-HTTP-Server-Simple-Static
Cloning into '/var/lib/mock/f45-build-24042-601/root/chroot_tmpdir/scmroot/perl-HTTP-Server-Simple-Static'...
$ git fetch origin 10eae7e98fe6ac2d8e1a8fe1c949c2c6c108ccdf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTTP-Server-Simple-Static
 * [new ref]         10eae7e98fe6ac2d8e1a8fe1c949c2c6c108ccdf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 10eae7e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild