$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-Brew.git /var/lib/mock/f45-build-26975-620/root/chroot_tmpdir/scmroot/perl-Text-Brew
Cloning into '/var/lib/mock/f45-build-26975-620/root/chroot_tmpdir/scmroot/perl-Text-Brew'...
$ git fetch origin 1afe873ce241f3ab0091bfd2746590ad327614de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-Brew
 * [new ref]         1afe873ce241f3ab0091bfd2746590ad327614de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1afe873 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild