$ git clone -n https://src.fedoraproject.org/rpms/rust-imagequant-sys.git /var/lib/mock/f39-build-1602047-38564/root/chroot_tmpdir/scmroot/rust-imagequant-sys
Cloning into '/var/lib/mock/f39-build-1602047-38564/root/chroot_tmpdir/scmroot/rust-imagequant-sys'...
$ git fetch origin 275233d1da095e57f927398fd7de35d72cb4e4ec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-imagequant-sys
 * [new ref]         275233d1da095e57f927398fd7de35d72cb4e4ec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 275233d Update to version 4.0.3 (rhbz#2238259)