$ git clone -n https://src.fedoraproject.org/rpms/perl-Hijk.git /var/lib/mock/f45-build-24163-602/root/chroot_tmpdir/scmroot/perl-Hijk
Cloning into '/var/lib/mock/f45-build-24163-602/root/chroot_tmpdir/scmroot/perl-Hijk'...
$ git fetch origin 596f0fad06a2b27fdd2dcfa7de02fb7cb627f764:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Hijk
 * [new ref]         596f0fad06a2b27fdd2dcfa7de02fb7cb627f764 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 596f0fa Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild