$ git clone -n https://src.fedoraproject.org/rpms/perl-Tk-Pod.git /var/lib/mock/f45-build-27166-621/root/chroot_tmpdir/scmroot/perl-Tk-Pod
Cloning into '/var/lib/mock/f45-build-27166-621/root/chroot_tmpdir/scmroot/perl-Tk-Pod'...
$ git fetch origin e36e3c2010c3933bed100c72cb40b2c4b493d1de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Tk-Pod
 * [new ref]         e36e3c2010c3933bed100c72cb40b2c4b493d1de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e36e3c2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild