$ git clone -n https://src.fedoraproject.org/rpms/testdisk.git /var/lib/mock/f42-build-3293478-41426/root/chroot_tmpdir/scmroot/testdisk
Cloning into '/var/lib/mock/f42-build-3293478-41426/root/chroot_tmpdir/scmroot/testdisk'...
$ git fetch origin 9511b4a5147d2923c4b1fad5fb8dc65d1eddab5e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/testdisk
 * [new ref]         9511b4a5147d2923c4b1fad5fb8dc65d1eddab5e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9511b4a Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild