$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-German.git /var/lib/mock/f45-build-27009-620/root/chroot_tmpdir/scmroot/perl-Text-German
Cloning into '/var/lib/mock/f45-build-27009-620/root/chroot_tmpdir/scmroot/perl-Text-German'...
$ git fetch origin 154d641b31317b3b88f88dc82ff5bdfbaac428ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-German
 * [new ref]         154d641b31317b3b88f88dc82ff5bdfbaac428ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 154d641 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild