$ git clone -n https://src.fedoraproject.org/rpms/PerceptualDiff.git /var/lib/mock/f39-build-1470226-33885/root/chroot_tmpdir/scmroot/PerceptualDiff
Cloning into '/var/lib/mock/f39-build-1470226-33885/root/chroot_tmpdir/scmroot/PerceptualDiff'...
$ git fetch origin e7e1af8264bf50020ecf6694341075914a174458:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/PerceptualDiff
 * [new ref]         e7e1af8264bf50020ecf6694341075914a174458 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e7e1af8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild