$ git clone -n https://src.fedoraproject.org/rpms/perl-Imager.git /var/lib/mock/f40-build-733261-105107/root/chroot_tmpdir/scmroot/perl-Imager
Cloning into '/var/lib/mock/f40-build-733261-105107/root/chroot_tmpdir/scmroot/perl-Imager'...
$ git fetch origin 8e53197cfe09fc4f442da5dbe5ded74b5d7aabe1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Imager
 * [new ref]         8e53197cfe09fc4f442da5dbe5ded74b5d7aabe1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e53197 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild